ATHE / Alterity Therapeutics Limited - Depositary Receipt (Common Stock) - Документы SEC, Годовой отчет, Доверенное заявление

Alterity Therapeutics Limited - Депозитарные расписки (обыкновенные акции)
US ˙ NasdaqCM ˙ US02155X2053

Основная статистика
LEI 52990045JUZVZ9QL3159
CIK 1131343
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Alterity Therapeutics Limited - Depositary Receipt (Common Stock)
SEC Filings (Chronological Order)
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September 4, 2025 EX-99.1

Alterity Therapeutics Limited Suite 4, Level 14, 350 Collins Street, Melbourne, VIC 3000 Australia T: +61 (0)3 9349 4906 | www.alteritytherapeutics.com

Exhibit 99.1 Market Announcement 4 September 2025 Alterity Therapeutics Limited (ASX: ATH) – Trading Halt Trading in the securities of Alterity Therapeutics Limited (‘ATH’) will be halted at the request of ATH, pending the release of an announcement by ATH. Unless ASX decides otherwise, the securities will remain in trading halt until the earlier of: ● the commencement of normal trading on Monday,

September 4, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2025 Alterity Therapeutics Limited (Name of Re

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the

September 2, 2025 EX-99.1

Alterity Therapeutics Filed Form 20-F and XBRL data with the SEC

Exhibit 99.1 Alterity Therapeutics Filed Form 20-F and XBRL data with the SEC MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 2 September 2025: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotechnology company dedicated to developing disease modifying treatments for neurodegenerative diseases, today announced that it has filed its Annual Report on Form 20-F contai

September 2, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Alterity Therapeutics Limited (Name of Regis

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the reg

September 2, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2025 Alterity Therapeutics Limited (Name of Re

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the

September 2, 2025 EX-99.1

Appendix 4G Key to Disclosures Corporate Governance Council Principles and Recommendations

Exhibit 99.1 Rules 4.7.3 and 4.10.3 Appendix 4G Key to Disclosures Corporate Governance Council Principles and Recommendations Name of entity Alterity Therapeutics Ltd ABN/ARBN Financial year ended: 37 080 699 065 30 June 2025 Our corporate governance statement1 for the period above can be found at:2 ☐ These pages of our annual report: ☒ This URL on our website: https://alteritytherapeutics.com/in

September 2, 2025 EX-99.1

Alterity Therapeutics to Present at the Biotech Showcase

Exhibit 99.1 Alterity Therapeutics to Present at the Biotech Showcase MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 1 September 2025: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotechnology company dedicated to developing disease modifying treatments for neurodegenerative diseases, today announced that David Stamler, M.D., Chief Executive Officer of Alterity,

September 2, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2025 Alterity Therapeutics Limited (Name of Re

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the

August 29, 2025 EX-15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-228671, 333-248980, 333-251073) and Form F-3 (No. 333-274816) of Alterity Therapeutics Limited of our report dated August 29, 2025 relating to the financial statements, which appears in this Form 20-F. /s/ PricewaterhouseCoop

August 29, 2025 EX-12.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER Pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended

Exhibit 12.1 CERTIFICATION OF CHIEF EXECUTIVE OFFICER Pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended I, David A, Stamler, certify that: 1. I have reviewed this annual report on Form 20-F of Alterity Therapeutics Limited; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make

August 29, 2025 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHAN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 193

August 29, 2025 EX-15.2

This page is required for Australian Disclosure Requirements and has been intentionally left blank.

Exhibit 15.2 This page is required for Australian Disclosure Requirements and has been intentionally left blank.

August 29, 2025 EX-12.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER Pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended

Exhibit 12.2 CERTIFICATION OF CHIEF FINANCIAL OFFICER Pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended I, Abby Macnish Niven, certify that: 1. I have reviewed this annual report on Form 20-F of Alterity Therapeutics Limited; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to ma

August 29, 2025 EX-13.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report of Alterity Therapeutics Limited (the “Company”) on Form 20-F for the year ended June 30, 2025, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Abby Macnish Niven, Chief Financial Officer o

August 29, 2025 EX-13.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report of Alterity Therapeutics Limited (the “Company”) on Form 20- F for the year ended June 30, 2025, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David A. Stamler, Chief Executive Officer of

August 22, 2025 EX-99.1

Announcement Summary

Exhibit 99.1 Appendix 2A - Application for quotation of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement Friday August 22, 2025 The +securities to be quoted are: +Securities issued, transferred or re-classified as a result of options being exercised or other +convertible securities being converted Total number of

August 22, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Alterity Therapeutics Limited (Name of Regis

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the reg

August 15, 2025 EX-99.1

Announcement Summary

Exhibit 99.1 Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Date of this announcement Friday August 15, 2025 The +securities the subject of this notification are: +Other securities issued under an +employee incentive scheme that are not intended to be quoted on ASX Total number of +securitie

August 15, 2025 EX-99.1

Announcement Summary

Exhibit 99.1 Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Date of this announcement Friday August 15, 2025 The +securities the subject of this notification are: +Other securities issued under an +employee incentive scheme that are not intended to be quoted on ASX Total number of +securitie

August 15, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Alterity Therapeutics Limited (Name of Regis

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the reg

August 15, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Alterity Therapeutics Limited (Name of Regis

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the reg

August 4, 2025 EX-99.1

Alterity Therapeutics Limited Suite4, Level 14, 350 Collins Street, Melbourne, VIC 3000 Australia T: +61 (0)3 9349 4906 | WWW.alteritytherapeutics.com

Exhibit 99.1 Market Announcement 4 August 2025 Attached for the information of the market are ASX’s query letters to Alterity Therapeutics Limited (ASX:ATH) dated 24 July 2025 and 30 July 2025 and ATH’s responses 28 July 2025 and 3 August 2025. 4 August 2025 Market Announcement 1/1 ASX Limited ASX Customer Service Centre 131 279 | asx.com.au 24 July 2025 Reference: ODIN111104 Ms Abby Macnish Compa

August 4, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Alterity Therapeutics Limited (Name of Regis

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the reg

July 31, 2025 EX-99.1

July 2025 Corporate Presentation Forward looking statements 2 This presentation may contain some statements that may be considered “Forward - Looking Statements”, within the meaning of the US Securities Laws. Thus, any forward - looking statement rel

Exhibit 99.1 July 2025 Corporate Presentation Forward looking statements 2 This presentation may contain some statements that may be considered “Forward - Looking Statements”, within the meaning of the US Securities Laws. Thus, any forward - looking statement relating to financial projections or other statements relating to the Company’s plans, objectives, expectations or intentions involve risks

July 31, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

July 30, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

July 30, 2025 EX-99.1

Appendix 4C – Q4 FY25 Quarterly Cash Flow Report

Exhibit 99.1 Appendix 4C – Q4 FY25 Quarterly Cash Flow Report Highlights ● Granted U.S. FDA Fast Track Designation for ATH434 to treat Multiple System Atrophy (MSA) ● Reported positive topline data from open-label Phase 2 clinical trial of ATH434 in MSA ● Presented additional analyses from the ATH434-201 trial demonstrating continued robust efficacy for the treatment of MSA ● Cash balance on 30 Ju

July 28, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

July 28, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

July 28, 2025 EX-99.1

Alterity Therapeutics Reports Positive Topline Data from Open-Label Phase 2 Clinical Trial of ATH434 in Multiple System Atrophy – ATH434 Demonstrated Clinical Benefit on the Unified MSA Rating Scale and Global Measures of Neurological Symptoms – – Ne

Exhibit 99.1 Alterity Therapeutics Reports Positive Topline Data from Open-Label Phase 2 Clinical Trial of ATH434 in Multiple System Atrophy – ATH434 Demonstrated Clinical Benefit on the Unified MSA Rating Scale and Global Measures of Neurological Symptoms – – Neuroimaging Biomarkers Showed Target Engagement and Slowed Brain Atrophy – – ATH434 was Well-Tolerated with Favorable Safety Profile – – D

July 28, 2025 EX-99.1

Form 604 Corporations Act 2001 Section 671B Notice of change of interests of substantial holder

Exhibit 99.1 604 Page 1 of 2 15 July 2001 Form 604 Corporations Act 2001 Section 671B Notice of change of interests of substantial holder To Company Name/Scheme Alterity Therapeutics Limited ACN/ARSN 080 699 065 1. Details of substantial holder (1) Name The Bank of New York Mellon Corporation (BNYMC) and each Group Entity listed in Annexure A (Group Entity), (together BNYMC Group) ACN/ARSN (if app

July 24, 2025 EX-99.1

Alterity Therapeutics Announces Publication on Novel MRI Endpoint from the bioMUSE Natural History Study – Peer-reviewed publication in Annals of Clinical and Translational Neurology highlights the use of the MSA Atrophy Index developed to diagnose a

Exhibit 99.1 Alterity Therapeutics Announces Publication on Novel MRI Endpoint from the bioMUSE Natural History Study – Peer-reviewed publication in Annals of Clinical and Translational Neurology highlights the use of the MSA Atrophy Index developed to diagnose and track disease progression in Multiple System Atrophy – MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 24 July 2025: Alterity Therapeuti

July 24, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

July 21, 2025 EX-99.1

Announcement Summary

Exhibit 99.1 Appendix 2A - Application for quotation of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement Monday July 21, 2025 The +securities to be quoted are: +Securities issued, transferred or re-classified as a result of options being exercised or other +convertible securities being converted Total number of +

July 21, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

July 17, 2025 EX-99.1

Announcement Summary

Exhibit 99.1 Appendix 2A - Application for quotation of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement Thursday July 17, 2025 The +securities to be quoted are: +Securities issued, transferred or re-classified as a result of options being exercised or other +convertible securities being converted Total number of

July 17, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

July 14, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

July 14, 2025 EX-99.1

Alterity Therapeutics Limited Level 3, 460 Bourke Street, Melbourne, VIC 3000 Australia T: +61 (0)3 9349 4906 | WWW.alteritytherapeutics.com

Exhibit 99.1 14 July 2025 By email: [email protected] Melissa Kostopoulos Adviser, Listings Compliance (Melbourne) ASX Limited Dear Melissa Response to Price Query We refer to your letter dated 11 July 2025 wherein the ASX notes an increase in share price of Alterity Therapeutics Limited (ASX: ATH) (Company) securities between close of trade on 10 July 2025 to intra-day trading on 11

July 7, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

July 7, 2025 EX-99.1

Form 604 Corporations Act 2001 Section 671B Notice of change of interests of substantial holder

Exhibit 99.1 604 Page 1 of 2 15 July 2001 Form 604 Corporations Act 2001 Section 671B Notice of change of interests of substantial holder To Company Name/Scheme Alterity Therapeutics Limited ACN/ARSN 080 699 065 1. Details of substantial holder (1) Name The Bank of New York Mellon Corporation (BNYMC) and each Group Entity listed in Annexure A (Group Entity), (together BNYMC Group) ACN/ARSN (if app

July 3, 2025 EX-99.1

Announcement Summary

Exhibit 99.1 Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Date of this announcement Thursday July 03, 2025 The +securities the subject of this notification are: +Other securities issued under an +employee incentive scheme that are not intended to be quoted on ASX Total number of +securitie

July 3, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

June 30, 2025 EX-99.1

Announcement Summary

Exhibit 99.1 Appendix 3H - Notification of cessation of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement Monday June 30, 2025 Details of +securities that have ceased ASX +security code Security description Number of +securities that have ceased The +securities have ceased due to Date of cessation ATHAAE OPTION EX

June 30, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

June 23, 2025 EX-99.1

Alterity Therapeutics to Provide Corporate Update in Fireside Chat

Exhibit 99.1 Alterity Therapeutics to Provide Corporate Update in Fireside Chat MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 23 June 2025: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotechnology company dedicated to developing disease modifying treatments for neurodegenerative diseases, today announced that David Stamler, M.D., Chief Executive Officer of Alte

June 23, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

May 23, 2025 EX-99.1

Form 604 Corporations Act 2001 Section 671B Notice of change of interests of substantial holder

Exhibit 99.1 604 Page 1 of 2 15 July 2001 Form 604 Corporations Act 2001 Section 671B Notice of change of interests of substantial holder To Company Name/Scheme Alterity Therapeutics Limited ACN/ARSN 080 699 065 1. Details of substantial holder (1) Name The Bank of New York Mellon Corporation (BNYMC) and each Group Entity listed in Annexure A (Group Entity), (together BNYMC Group) ACN/ARSN (if app

May 23, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Alterity Therapeutics Limited (Name of Registra

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regist

May 12, 2025 EX-99.1

Alterity Therapeutics Prominently Featured at the International MSA Congress – ATH434 Phase 2 data demonstrated clinically meaningful efficacy on multiple clinical endpoints – – MSA Atrophy Index (MSAai) enhances MSA diagnosis and monitoring – – bioM

Exhibit 99.1 Alterity Therapeutics Prominently Featured at the International MSA Congress – ATH434 Phase 2 data demonstrated clinically meaningful efficacy on multiple clinical endpoints – – MSA Atrophy Index (MSAai) enhances MSA diagnosis and monitoring – – bioMUSE Study shows higher α- synuclein concentration is associated with greater burden of orthostatic symptoms – MELBOURNE, AUSTRALIA AND SA

May 12, 2025 EX-99.1

Form 604 Corporations Act 2001 Section 671B Notice of change of interests of substantial holder

Exhibit 99.1 604 Page 1 of 2 15 July 2001 Form 604 Corporations Act 2001 Section 671B Notice of change of interests of substantial holder To Company Name/Scheme Alterity Therapeutics Limited ACN/ARSN 080 699 065 1. Details of substantial holder (1) Name The Bank of New York Mellon Corporation (BNYMC) and each Group Entity listed in Annexure A (Group Entity), (together BNYMC Group) ACN/ARSN (if app

May 12, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Alterity Therapeutics Limited (Name of Registra

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regist

May 12, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Alterity Therapeutics Limited (Name of Registra

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regist

May 7, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Alterity Therapeutics Limited (Name of Registra

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regist

May 7, 2025 EX-99.1

Alterity Therapeutics Announces Multiple Oral and Poster Presentations to be Featured at the International MSA Congress –ATH434 Phase 2 Data to be Presented at Opening Plenary Session –

Exhibit 99.1 Alterity Therapeutics Announces Multiple Oral and Poster Presentations to be Featured at the International MSA Congress –ATH434 Phase 2 Data to be Presented at Opening Plenary Session – MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 7 May 2025: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotechnology company dedicated to developing disease modifying

May 5, 2025 EX-99.1

Alterity Therapeutics Granted U.S. FDA Fast Track Designation for ATH434 to Treat Multiple System Atrophy – Fast Track Designation highlights potential of ATH434 to address high unmet need for individuals with MSA –

Exhibit 99.1 Alterity Therapeutics Granted U.S. FDA Fast Track Designation for ATH434 to Treat Multiple System Atrophy – Fast Track Designation highlights potential of ATH434 to address high unmet need for individuals with MSA – MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 5 May 2025: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotechnology company dedicated t

May 5, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Alterity Therapeutics Limited (Name of Registra

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regist

April 30, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 30, 2025 EX-99.1

Appendix 4C – Q3 FY25 Quarterly Cash Flow Report

 Exhibit 99.1 Appendix 4C – Q3 FY25 Quarterly Cash Flow Report Highlights ● Reported positive topline data for ATH434-201 randomized, double-blind Phase 2 clinical trial in Multiple System Atrophy (MSA) led by robust clinical efficacy ● Phase 2 data featured in an oral presentation at the American Academy of Neurology Annual Meeting ● ATH434-202 open-label trial in advanced MSA completed in March

April 29, 2025 EX-99.1

Appendix 3Y Change of Director’s Interest Notice

Exhibit 99.1 Appendix 3Y Change of Director’s Interest Notice Rule 3.19A.2 Appendix 3Y Change of Director’s Interest Notice Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX becomes ASX's property and may be made public. Introduced 30/09/01 Amended 01/01/11 Name of entity Alterity Therapeutics Limited ABN 37 080 699 065 We

April 29, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 28, 2025 EX-99.1

Alterity Therapeutics Presents ATH434-201 Phase 2 Clinical Trial Results at European MSA Symposium

Exhibit 99.1 Alterity Therapeutics Presents ATH434-201 Phase 2 Clinical Trial Results at European MSA Symposium MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 28 April 2025: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotechnology company dedicated to developing disease modifying treatments for neurodegenerative diseases, today announced that David Stamler, M.D.

April 28, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 22, 2025 EX-99.1

David Stamler, MD CEO April 2025 Forward Looking Statements This presentation may contain some statements that may be considered “Forward - Looking Statements”, within the meaning of the US Securities Laws . Thus, any forward - looking statement rela

Exhibit 99.1 David Stamler, MD CEO April 2025 Forward Looking Statements This presentation may contain some statements that may be considered “Forward - Looking Statements”, within the meaning of the US Securities Laws . Thus, any forward - looking statement relating to financial projections or other statements relating to the Company’s plans, objectives, expectations or intentions involve risks a

April 22, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 22, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 22, 2025 EX-99.1

As at Date: 16 - Apr - 2025 Top Holders Grouped Report Alterity Therapeutics Limited Security Class(es): ATHOPTWC25 - LISTED OPT EXP 26/02/2027 @ $0.028 Display Top: 20 ABN: 27 152 260 814 Level 5, 126 Phillip Street, Sydney NSW 2000 GPO Box 5193, Sy

Exhibit 99.1 As at Date: 16 - Apr - 2025 Top Holders Grouped Report Alterity Therapeutics Limited Security Class(es): ATHOPTWC25 - LISTED OPT EXP 26/02/2027 @ $0.028 Display Top: 20 ABN: 27 152 260 814 Level 5, 126 Phillip Street, Sydney NSW 2000 GPO Box 5193, Sydney NSW 2000 1300 288 664 (within australia) +61 2 9698 5414 (international) [email protected] www.automic.com.au % IC Holding Holder

April 22, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 22, 2025 EX-99.1

Announcement Summary

Exhibit 99.1 Appendix 2A - Application for quotation of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement Tuesday April 22, 2025 The +securities to be quoted are: Other Please refer to the response to Q2.3d for further information about the type of securities to be quoted and the circumstances of the issue. New cl

April 17, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 17, 2025 EX-99.1

ALTERITY THERAPEUTICS LIMITED [ACN 080 699 065] (“the Company”) OPTIONS PROSPECTUS

Exhibit 99.1 ALTERITY THERAPEUTICS LIMITED [ACN 080 699 065] (“the Company”) OPTIONS PROSPECTUS This prospectus (Prospectus) contains the following offers of options (New Options) (each with an exercise price of A$0.028 (2.8 Australian cents), expiry date of 26 February 2027 and which, upon exercise, entitle the holder to one fully paid ordinary share in the capital of the Company (Share): ● 1,212

April 10, 2025 EX-99.1

Alterity Therapeutics Presents Encouraging New Data from its ATH434 Phase 2 Trial in Multiple System Atrophy at the American Academy of Neurology Annual Meeting – Clinically Meaningful Efficacy Observed on Multiple Assessments – – Confirmed Target En

Exhibit 99.1 Alterity Therapeutics Presents Encouraging New Data from its ATH434 Phase 2 Trial in Multiple System Atrophy at the American Academy of Neurology Annual Meeting – Clinically Meaningful Efficacy Observed on Multiple Assessments – – Confirmed Target Engagement with Reduced Iron Signal in MSA Affected Brain Regions – MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 10 April 2025: Alterity T

April 10, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 10, 2025 EX-99.1

Appendix 3Y Change of Director’s Interest Notice

Exhibit 99.1 Appendix 3Y Change of Director’s Interest Notice Rule 3.19A.2 Appendix 3Y Change of Director’s Interest Notice Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX becomes ASX’s property and may be made public. Introduced 30/09/01 Amended 01/01/11 Name of entity Alterity Therapeutics Limited ABN 37 080 699 065 We

April 10, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 10, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 10, 2025 EX-99.1

Topline Data from a Randomized, Double Blind, Placebo Controlled Phase 2 Study of ATH434 in MSA David Stamler 1 , Cynthia Wong 1 , Paula Trujillo 2 , Margaret Bradbury 1 , Christine Lucas 1 and Daniel Claassen 2 1 Alterity Therapeutics, Newark, CA, U

Exhibit 99.1 Topline Data from a Randomized, Double Blind, Placebo Controlled Phase 2 Study of ATH434 in MSA David Stamler 1 , Cynthia Wong 1 , Paula Trujillo 2 , Margaret Bradbury 1 , Christine Lucas 1 and Daniel Claassen 2 1 Alterity Therapeutics, Newark, CA, USA 2 Department of Neurology, Vanderbilt University Medical Center, Nashville, TN, USA American Academy of Neurology Annual Meeting 2025

April 9, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 9, 2025 EX-99.1

BECOMING A SUBSTANTIAL HOLDER

Exhibit 99.1

April 8, 2025 EX-99.1

604 Page 1 of 2 15 July 2001 Form 604 Corporations Act 2001 Section 671B Notice of change of interests of substantial holder Alterity Therapeutics Limited To Company Name/Scheme 080 699 065 ACN/ARSN 1. Details of substantial holder (1) The Bank of Ne

Exhibit 99.1 604 Page 1 of 2 15 July 2001 Form 604 Corporations Act 2001 Section 671B Notice of change of interests of substantial holder Alterity Therapeutics Limited To Company Name/Scheme 080 699 065 ACN/ARSN 1. Details of substantial holder (1) The Bank of New York Mellon Corporation (BNYMC) and each Group Entity listed in Annexure A (Group Entity),(together BNYMC Group) Name ACN/ARSN (if appl

April 8, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 7, 2025 EX-99.1

Announcement Summary

Exhibit 99.1 Appendix 2A - Application for quotation of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement Monday April 07, 2025 The +securities to be quoted are: +Securities issued as part of a transaction or transactions previously announced to the market in an Appendix 3B Total number of +securities to be quoted

April 7, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 7, 2025 EX-99.1

Notice Under Section 708A(5)(e) of the Corporations Act

Exhibit 99.1 ASX ANNOUNCEMENT 07 April 2025 Notice Under Section 708A(5)(e) of the Corporations Act This notice is given by Alterity Therapeutics Limited ACN 080 699 065 (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), under section 708A(5)(e) of the Corporations Act 2001 (Cth) (Corporations Act). Details of securities issued Type: Shares Class/Description: Fully paid ordinary shares ASX Co

April 7, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 7, 2025 EX-99.1

Alterity Therapeutics Announces Completion of Placement

Exhibit 99.1 Alterity Therapeutics Announces Completion of Placement MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 7 April 2025: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotechnology company dedicated to developing disease modifying treatments for neurodegenerative diseases, today announced completion of the second tranche of the two-tranche placement initia

April 7, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 3, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 3, 2025 EX-99.1

Alterity Therapeutics to Deliver an Oral Presentation of the Positive ATH434 Phase 2 Trial Results at the American Academy of Neurology Annual Meeting

EX-99.1 2 ea023705301ex99-1alterity.htm ALTERITY TO DELIVER ORAL PRESENTATION OF ATH434 TRIAL AT AAN Exhibit 99.1 Alterity Therapeutics to Deliver an Oral Presentation of the Positive ATH434 Phase 2 Trial Results at the American Academy of Neurology Annual Meeting MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 3 April 2025: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”

March 31, 2025 EX-99.1

GPO Box 5193, Sydney, NSW 2001

Exhibit 99.1 Disclosure of Proxy Votes Alterity Therapeutics Limited Extraordinary General Meeting Monday, 31 March 2025 GPO Box 5193, Sydney, NSW 2001 P 1300 288 664 (aus) or +61 (0)2 9698 5414 (world) F +61 (0)2 8583 3040 E [email protected] ABN 27 152 260 814 In accordance with section 251AA of the Corporations Act 2001, the following information is provided in relation to resolutions put to

March 31, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

March 27, 2025 EX-99.1

Alterity Therapeutics Completes Last Patient Visit in ATH434-202 Open-Label Phase 2 Trial in Multiple System Atrophy – ATH434 is a Disease Modifying Drug Candidate Targeting Parkinsonian Disorders – – Topline Data Expected Mid-Year 2025 –

Exhibit 99.1 Alterity Therapeutics Completes Last Patient Visit in ATH434-202 Open-Label Phase 2 Trial in Multiple System Atrophy – ATH434 is a Disease Modifying Drug Candidate Targeting Parkinsonian Disorders – – Topline Data Expected Mid-Year 2025 – MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 27 March 2025: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotech

March 27, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

March 25, 2025 EX-99.1

605 Page 1 of 2 Form 605 Corporations Act 2001 Section 671B Notice of ceasing to be a substantial holder To Company Name/Scheme ALTERITY THERAPEUTICS LTD ACN/ARSN/ABN 37 080 699 065 1. Details of substantial holder (1) Name JPMorgan Chase & Co. and i

Exhibit 99.1 605 Page 1 of 2 Form 605 Corporations Act 2001 Section 671B Notice of ceasing to be a substantial holder To Company Name/Scheme ALTERITY THERAPEUTICS LTD ACN/ARSN/ABN 37 080 699 065 1. Details of substantial holder (1) Name JPMorgan Chase & Co. and its affiliates ACN/ARSN (if applicable) NA 2. Changes in relevant interests Particulars of each change in, or change in the nature of, a r

March 25, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

March 14, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

March 14, 2025 EX-99.1

Form 603 Corporations Act 2001 Section Notice of initial substantial holder

Exhibit 99.1 Form 603 Corporations Act 2001 Section 671B Notice of initial substantial holder To Company Name/Scheme ALTERITY THERAPEUTICS LTD ACN/ARSN/ABN 37 080 699 065 1. Details of substantial holder (1) Name JPMorgan Chase & Co. and its affiliates ACN/ARSN (if applicable) NA The holder became a substantial holder on 11/March/2025 2. Details of voting power The total number of votes attached t

March 14, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

March 14, 2025 EX-99.1

Announcement Summary

Exhibit 99.1 Appendix 2A - Application for quotation of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement Friday March 14, 2025 The +securities to be quoted are: +Securities issued, transferred or re-classified as a result of options being exercised or other +convertible securities being converted Total number of

February 28, 2025 EX-99.1

NOTICE OF EXTRAORDINARY GENERAL MEETING/PROXY FORM

Exhibit 99.1

February 28, 2025 EX-99.1

Alterity Therapeutics Limited ABN 37 080 699 065 Interim financial report for the half-year ended 31 December 2024

Exhibit 99.1 Alterity Therapeutics Limited Appendix 4D Half-year ended 31 December 2024 Name of entity: Alterity Therapeutics Limited ABN: 37 080 699 065 Half-year ended: 31 December 2024 Previous period: 31 December 2023 Results for announcement to the market A$ Revenue from ordinary activities Down 6.0 % to 111,299 Net loss after tax (from ordinary activities) for the period attributable to memb

February 28, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

February 28, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

February 24, 2025 EX-99.1

Announcement Summary

Exhibit 99.1 Appendix 3B - Proposed issue of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement 24/2/2025 The Proposed issue is: A placement or other type of issue Total number of +securities proposed to be issued for a placement or other type of issue ASX +security code +Security description Maximum Number of +sec

February 24, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

February 19, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

February 19, 2025 EX-99.1

Form 604 Corporations Act 2001 Section 671B Notice of change of interests of substantial holder

Exhibit 99.1 Form 604 Corporations Act 2001 Section 671B Notice of change of interests of substantial holder To Company Name/Scheme Alterity Therapeutics Limited ACN/ARSN 080 699 065 1. Details of substantial holder (1) Name The Bank of New York Mellon Corporation (BNYMC) and each Group Entity listed in Annexure A (Group Entity),(together BNYMC Group) ACN/ARSN (if applicable) There was a change in

February 18, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

February 18, 2025 EX-99.1

Total number of +securities on issue

Exhibit 99.1 Appendix 2A - Application for quotation of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement Monday February 17, 2025 The +securities to be quoted are: +Securities issued as part of a transaction or transactions previously announced to the market in an Appendix 3B Total number of +securities to be quo

February 18, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

February 18, 2025 EX-99.1

Notice Under Section 708A(5)(e) of the Corporations Act

Exhibit 99.1 ASX ANNOUNCEMENT 17 February 2025 Notice Under Section 708A(5)(e) of the Corporations Act This notice is given by Alterity Therapeutics Limited ACN 080 699 065 (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), under section 708A(5)(e) of the Corporations Act 2001 (Cth) (Corporations Act). Details of securities issued Type: Shares Class/Description: Fully paid ordinary shares ASX

February 10, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

February 10, 2025 EX-99.1

Alterity Therapeutics Raises A$40.0 million in Placement – Funds to be used primarily to advance development of ATH434 in Parkinsonian Disorders – – Capital raising was strongly supported by domestic and international institutional investors –

Exhibit 99.1 Alterity Therapeutics Raises A$40.0 million in Placement – Funds to be used primarily to advance development of ATH434 in Parkinsonian Disorders – – Capital raising was strongly supported by domestic and international institutional investors – MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 10 February 2025: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or the “Company”), a

February 10, 2025 EX-99.1

Announcement Summary

Exhibit 99.1 Appendix 3B - Proposed issue of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement 10/2/2025 The Proposed issue is: A placement or other type of issue Total number of +securities proposed to be issued for a placement or other type of issue ASX +security code +Security description Maximum Number of +sec

February 10, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

February 6, 2025 EX-99.1

Alterity Therapeutics Limited Level 3, 460 Bourke Street, Melbourne, VIC 3000 Australia T: +61 (0)3 9349 4906 | WWW.alteritytherapeutics.com

Exhibit 99.1 Market Announcement 6 February 2025 Alterity Therapeutics Limited (ASX: ATH) – Trading Halt Description The securities of Alterity Therapeutics Limited (‘ATH’) will be placed in trading halt at the request of ATH, pending it releasing an announcement. Unless ASX decides otherwise, the securities will remain in trading halt until the earlier of the commencement of normal trading on Mon

February 6, 2025 EX-99.1

Form 603 Corporations Act 2001 Section Notice of initial substantial holder

Exhibit 99.1 Form 603 Corporations Act 2001 Section 671B Notice of initial substantial holder To Company Name/Scheme Alterity Therapeutics ltd ACN/ARSN/ABN 37 080 699 065 1. Details of substantial holder (1) Name JPMorgan Chase & Co. and its affiliates ACN/ARSN (if applicable) NA The holder became a substantial holder on 03/February/2025 2. Details of voting power The total number of votes attache

February 6, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

February 6, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

February 5, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

February 5, 2025 EX-99.1

Disclosure under Takeovers Panel Guidance Note 20: Equity Derivatives

Exhibit 99.1 ASX ANNOUNCEMENT 05 February 2025 Disclosure under Takeovers Panel Guidance Note 20: Equity Derivatives Alterity Therapeutics Limited ACN 080 699 065 (ASX: ATH, NASDAQ: ATHE) (“the Company”) advises that it has received the attached notice from Point72 Associates, LLC which was provided to the Company pursuant to the Australian Takeovers Panel Guidance Note 20 – Equity Derivatives. Au

February 4, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

February 4, 2025 EX-99.1

Notice Under Section 708A(5)(e) of the Corporations Act

Exhibit 99.1 ASX ANNOUNCEMENT 04 February 2025 Notice Under Section 708A(5)(e) of the Corporations Act This notice is given by Alterity Therapeutics Limited ACN 080 699 065 (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), under section 708A(5)(e) of the Corporations Act 2001 (Cth) (Corporations Act). Details of securities issued Type: Shares Class/Description: Fully paid ordinary shares ASX

January 30, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Alterity Therapeutics Limited (Name of Regi

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the re

January 30, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Alterity Therapeutics Limited (Name of Regi

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the re

January 30, 2025 EX-99.1

ATH434 - 201 Phase 2 Topline Results January 30, 2025 Forward Looking Statements This presentation may contain some statements that may be considered “Forward - Looking Statements”, within the meaning of the US Securities Laws . Thus, any forward - l

Exhibit 99.1 ATH434 - 201 Phase 2 Topline Results January 30, 2025 Forward Looking Statements This presentation may contain some statements that may be considered “Forward - Looking Statements”, within the meaning of the US Securities Laws . Thus, any forward - looking statement relating to financial projections or other statements relating to the Company’s plans, objectives, expectations or inten

January 30, 2025 EX-99.1

Total number of +securities on issue

Exhibit 99.1 Appendix 2A - Application for quotation of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement Thursday January 30, 2025 The +securities to be quoted are: +Securities issued, transferred or re-classified as a result of options being exercised or other +convertible securities being converted Total number

January 28, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Alterity Therapeutics Limited (Name of Regi

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the re

January 28, 2025 EX-99.1

Alterity Therapeutics Limited Level 3, 460 Bourke Street, Melbourne, VIC 3000 Australia T: +61 (0)3 9349 4906 | WWW.alteritytherapeutics.com

Exhibit 99.1 Market Announcement 28 January 2025 Alterity Therapeutics Limited (ASX: ATH) – Trading Halt Description The securities of Alterity Therapeutics Limited (‘ATH’) will be placed in trading halt at the request of ATH, pending it releasing an announcement. Unless ASX decides otherwise, the securities will remain in trading halt until the earlier of the commencement of normal trading on Thu

January 24, 2025 EX-99.1

Appendix 4C – Q2 FY25 Quarterly Cash Flow Report

Exhibit 99.1 Appendix 4C – Q2 FY25 Quarterly Cash Flow Report Highlights ● Topline data for ATH434-201 randomized, double-blind Phase 2 clinical trial on track for expected release by early February 2025 ● ATH434-201 trial in early-stage MSA completed in November 2024 ● Positive interim data presented at MDS from the ATH434-202 Phase 2 trial in advanced MSA ● Multiple data presentations and public

January 24, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Alterity Therapeutics Limited (Name of Regi

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the re

January 22, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Alterity Therapeutics Limited (Name of Regi

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the re

January 22, 2025 EX-99.1

Announcement Summary

Exhibit 99.1 Appendix 2A - Application for quotation of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement Wednesday January 22, 2025 The +securities to be quoted are: +Securities issued, transferred or re-classified as a result of options being exercised or other +convertible securities being converted Total numbe

January 21, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Alterity Therapeutics Limited (Name of Regi

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the re

January 21, 2025 EX-99.1

Alterity Therapeutics Issues Shareholder Newsletter Highlighting Pipeline Advances and Key Upcoming Milestones

Exhibit 99.1 Alterity Therapeutics Issues Shareholder Newsletter Highlighting Pipeline Advances and Key Upcoming Milestones MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 17 January 2025: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotechnology company dedicated to developing disease modifying treatments for neurodegenerative diseases, has released a Shareholder

January 6, 2025 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Alterity Therapeutics Limited (Name of Regi

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the re

January 6, 2025 EX-99.1

Appendix 3Y Change of Director’s Interest Notice

Exhibit 99.1 Appendix 3Y Change of Director’s Interest Notice Rule 3.19A.2 Appendix 3Y Change of Director’s Interest Notice Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public. Introduced 30/9/2001.. Amended 01/01/11 Name of Entity: Alterity Therapeutics Limited (ASX:ATH) ABN: 37 0

December 31, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

December 31, 2024 EX-99.1

Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities

Exhibit 99.1 Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Date of this announcement Monday December 30, 2024 The +securities the subject of this notification are: +Other securities issued under an +employee incentive scheme that are not intended to be quoted on ASX Total number of +securit

December 4, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

December 4, 2024 EX-99.1

Alterity Therapeutics Completes Last Patient Visit in ATH434-201 Phase 2 Clinical Trial in Early-Stage Multiple System Atrophy – ATH434 is a Disease Modifying Drug Candidate Targeting Alpha-Synuclein and Iron in Parkinsonian Disorders – – Topline Dat

Exhibit 99.1 Alterity Therapeutics Completes Last Patient Visit in ATH434-201 Phase 2 Clinical Trial in Early-Stage Multiple System Atrophy – ATH434 is a Disease Modifying Drug Candidate Targeting Alpha-Synuclein and Iron in Parkinsonian Disorders – – Topline Data Expected in Early 2025 – MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 4 December 2024: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE)

November 22, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

November 22, 2024 EX-99.1

David Stamler, MD CEO AGM 22 November 2024 Forward Looking Statements This presentation may contain some statements that may be considered “Forward - Looking Statements”, within the meaning of the US Securities Laws . Thus, any forward - looking stat

Exhibit 99.1 David Stamler, MD CEO AGM 22 November 2024 Forward Looking Statements This presentation may contain some statements that may be considered “Forward - Looking Statements”, within the meaning of the US Securities Laws . Thus, any forward - looking statement relating to financial projections or other statements relating to the Company’s plans, objectives, expectations or intentions invol

November 22, 2024 EX-99.1

Chairman’s Address 2024 Annual General Meeting

Exhibit 99.1 Chairman’s Address 2024 Annual General Meeting Good morning, everyone, and thank you for joining us today here in Melbourne. It is my pleasure to share with you my Chairman's address for Alterity Therapeutics Fiscal Year 2024 Annual General Meeting. This has been a year of significant progress and achievement for Alterity, marked by important milestones in our mission to develop disea

November 22, 2024 EX-99.1

Results of 2024 Annual General Meeting

Exhibit 99.1 Results of 2024 Annual General Meeting MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 22 November 2024: In accordance with ASX Listing Rule 3.13.2 and Section 251AA of the Corporations Act 2001 (Cth), the attached information is provided in relation to the resolutions passed by the shareholders of Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”) at its Annua

November 22, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

November 22, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

November 19, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

November 19, 2024 EX-99.1

Change of Company Secretary

Exhibit 99.1 Change of Company Secretary MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 19 November 2024: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), has announced the appointment of Abby Macnish Niven as Alterity’s Company Secretary following her appointment as Chief Financial Officer of Alterity. Ms Macnish Niven assumes the role of Company Secretary from Mr Phil

November 12, 2024 EX-99.1

Alterity Therapeutics Announces Presentation on Tracking the Progression of Multiple System Atrophy at International Symposium

Exhibit 99.1 Alterity Therapeutics Announces Presentation on Tracking the Progression of Multiple System Atrophy at International Symposium MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 12 November 2024: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotechnology company dedicated to developing disease modifying treatments for neurodegenerative diseases, today ann

November 12, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

November 6, 2024 EX-99.1

Alterity Therapeutics Announces New Publication Describing Novel Mechanism of Action for ATH434 – Peer-Reviewed Publication Describes How ATH434 Uniquely Targets Excess Iron –

Exhibit 99.1 Alterity Therapeutics Announces New Publication Describing Novel Mechanism of Action for ATH434 – Peer-Reviewed Publication Describes How ATH434 Uniquely Targets Excess Iron – MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 6 November 2024: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotechnology company dedicated to developing disease modifying trea

November 6, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

October 31, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Alterity Therapeutics Limited (Name of Regi

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the re

October 31, 2024 EX-99.1

Appendix 4C – Q1 FY25 Quarterly Cash Flow Report

Exhibit 99.1 Appendix 4C – Q1 FY25 Quarterly Cash Flow Report Highlights ● Topline data for ATH434-201 randomized, double-blind Phase 2 clinical trial on track for release in January 2025 ● Positive interim data reported from ATH434-202 Phase 2 clinical trial showing the potential for ATH434 to modify disease progression in Multiple System Atrophy ● Multiple data presentations at the International

October 23, 2024 EX-99.1

ALTERITY THERAPEUTICS LIMITED ACN 080 699 065 Notice of Annual General Meeting and Explanatory Memorandum

Exhibit 99.1 ALTERITY THERAPEUTICS LIMITED ACN 080 699 065 Notice of Annual General Meeting and Explanatory Memorandum Time and Date of Meeting: 9.00am (AEDT) on Friday, 22 November 2024 Registration from 8.30am Location: Deloitte Australia Offices Level 30, 477 Collins Street, Melbourne VIC 3000 Voting ahead of attending the Meeting Shareholders are strongly encouraged to vote by lodging a direct

October 23, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Alterity Therapeutics Limited (Name of Regi

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the re

October 15, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Alterity Therapeutics Limited (Name of Regi

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the re

October 15, 2024 EX-99.1

Alterity Therapeutics to Participate in a Fireside Chat at the 2024 Maxim Healthcare Virtual Summit on 17 October 2024

Exhibit 99.1 Alterity Therapeutics to Participate in a Fireside Chat at the 2024 Maxim Healthcare Virtual Summit on 17 October 2024 MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 14 October 2024: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotechnology company dedicated to developing disease modifying treatments for neurodegenerative diseases, today announced th

October 11, 2024 EX-99.1

Alterity Therapeutics Announces Presentation of New Data Describing Neuroprotection of ATH434 at Neuroscience Meeting

Exhibit 99.1 Alterity Therapeutics Announces Presentation of New Data Describing Neuroprotection of ATH434 at Neuroscience Meeting MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 11 October 2024: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotechnology company dedicated to developing disease modifying treatments for neurodegenerative diseases, today announced pro

October 11, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Alterity Therapeutics Limited (Name of Regi

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the re

October 4, 2024 EX-99.1

Change of Share Registry

Exhibit 99.1 Change of Share Registry MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 4 October 2024: Alterity Therapeutics Limited (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotechnology company dedicated to developing disease modifying treatments for neurodegenerative diseases, advises that as of Monday, 7 October 2024, Alterity will change its provider for shareholder registry ser

October 4, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Alterity Therapeutics Limited (Name of Regi

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the re

October 2, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Alterity Therapeutics Limited (Name of Regi

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the re

October 2, 2024 EX-99.1

Alterity Therapeutics Raises Profile with Multiple Data Presentations at the International Congress of Parkinson’s Disease and Movement Disorders® - ATH434 shows promise as a disease-modifying therapy for MSA - - ATH434-202 Phase 2 interim data demon

Exhibit 99.1 Alterity Therapeutics Raises Profile with Multiple Data Presentations at the International Congress of Parkinson’s Disease and Movement Disorders® - ATH434 shows promise as a disease-modifying therapy for MSA - - ATH434-202 Phase 2 interim data demonstrate stabilization of clinical symptoms and biomarkers in clinical responders - MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 2 October

September 30, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Alterity Therapeutics Limited (Name of Re

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the

September 30, 2024 EX-99.1

Alterity Therapeutics Appoints Abby Macnish Niven as Chief Financial Officer

Exhibit 99.1 Alterity Therapeutics Appoints Abby Macnish Niven as Chief Financial Officer MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 30 September 2024: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotechnology company dedicated to developing disease modifying treatments for neurodegenerative diseases, announced the appointment of Abby Macnish Niven as the Com

September 26, 2024 EX-97.1

ALTERITY THERAPEUTICS LTD. INCENTIVE-BASED COMPENSATION RECOVERY POLICY EFFECTIVE 13 NOVEMBER 2023

Exhibit 97.1 ALTERITY THERAPEUTICS LTD. INCENTIVE-BASED COMPENSATION RECOVERY POLICY EFFECTIVE 13 NOVEMBER 2023 1. Policy Purpose. The purpose of this Incentive-Based Compensation Recovery Policy (the “Policy”) is to enable Alterity Therapeutics Ltd. (the “Company”) to recover Erroneously Awarded Compensation in the event that the Company is required to prepare an Accounting Restatement. This Poli

September 26, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Alterity Therapeutics Limited (Name of Re

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the

September 26, 2024 EX-15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-228671, 333-248980, 333-251073) and Form F-3 (Nos. 333-274816, 333-250076, 333-251647) of Alterity Therapeutics Limited of our report dated September 26, 2024 relating to the financial statements, which appears in this Form 2

September 26, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Alterity Therapeutics Limited (Name of Re

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the

September 26, 2024 EX-12.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER Pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended

Exhibit 12.2 CERTIFICATION OF CHIEF FINANCIAL OFFICER Pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended I, Phillip Hains, certify that: 1. I have reviewed this annual report on Form 20-F of Alterity Therapeutics Limited; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make th

September 26, 2024 EX-2.3

Rights Attached to Ordinary Shares

Exhibit 2.3 Rights Attached to Ordinary Shares The concept of authorized share capital no longer exists in Australia and as a result, our authorized share capital is unlimited. All our outstanding ordinary shares are validly issued, fully paid and non-assessable. The rights attached to our ordinary shares are as follows: Dividend rights. If our board of directors recommends a dividend, registered

September 26, 2024 EX-99.1

Appendix 4G Key to Disclosures Corporate Governance Council Principles and Recommendations

Exhibit 99.1 Rules 4.7.3 and 4.10.3 Appendix 4G Key to Disclosures Corporate Governance Council Principles and Recommendations Name of entity Alterity Therapeutics Ltd ABN/ARBN Financial year ended: 37 080 699 065 30 June 2024 Our corporate governance statement1 for the period above can be found at:2 ☐ These pages of our annual report: ☒ This URL on our website: https://alteritytherapeutics.com/in

September 26, 2024 EX-99.1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHAN

Exhibit 99.1 Alterity Therapeutics Limited ACN 080 699 065 Annual report – June 30, 2024 CONTENTS CHAIRMAN’S LETTER i FORM 20-F 1 SHAREHOLDER INFORMATION 83 CORPORATE DIRECTORY 86 CHAIRMAN’S LETTER Dear Shareholders, I am excited to present the Alterity Therapeutics’ Annual Report as we made tremendous progress over the last year. MSA Program Hits Several Key Milestones We currently have three pro

September 26, 2024 EX-15.2

This page is required for Australian Disclosure Requirements and has been intentionally left blank.

Exhibit 15.2 This page is required for Australian Disclosure Requirements and has been intentionally left blank.

September 26, 2024 EX-99.1

Alterity Therapeutics Limited

Exhibit 99.1 Alterity Therapeutics Limited Corporate Governance Statement 30 June 2024 This Corporate Governance Statement of Alterity Therapeutics Limited (the “Company”) is prepared in accordance with ASX Listing Rule 4.10.3. It is for the financial year ended 30 June 2024 and is accurate and up to date as at 26 September 2024 and has been approved by the Board. Contents Introduction Principle 1

September 26, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Alterity Therapeutics Limited (Name of Re

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the

September 26, 2024 EX-13.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 13.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report of Alterity Therapeutics Limited (the “Company”) on Form 20- F for the year ended June 30, 2024, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David A. Stamler, Chief Executive Officer of

September 26, 2024 EX-12.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER Pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended

Exhibit 12.1 CERTIFICATION OF CHIEF EXECUTIVE OFFICER Pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended I, David A, Stamler, certify that: 1. I have reviewed this annual report on Form 20-F of Alterity Therapeutics Limited; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make

September 26, 2024 EX-13.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 13.2 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report of Alterity Therapeutics Limited (the “Company”) on Form 20-F for the year ended June 30, 2024, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Phillip Hains, Chief Financial Officer of the

September 26, 2024 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHAN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 FORM 20-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 193

September 26, 2024 EX-11.1

2

Exhibit 11.1 Securities Trading Policy 1 SECURITIES TRADING POLICY 1.1 Purpose This securities trading policy (Policy) sets out the policy of the Company regarding dealing in Company securities. In this Policy, securities include shares as well as options, warrants, debentures and any other security on issue from time to time. 1.2 Definitions In addition to the definitions set out in section 1, th

September 23, 2024 EX-99.1

Alterity Therapeutics to Deliver Multiple Oral and Poster Presentations at the International Congress of Parkinson’s Disease and Movement Disorders® - Late Breaking Abstract and Oral Presentation on ATH434-202 Interim Phase 2 Data - - Oral Presentati

Exhibit 99.1 Alterity Therapeutics to Deliver Multiple Oral and Poster Presentations at the International Congress of Parkinson’s Disease and Movement Disorders® - Late Breaking Abstract and Oral Presentation on ATH434-202 Interim Phase 2 Data - - Oral Presentation on ATH434-201 Phase 2 Baseline Characteristics - MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 23 September 2024: Alterity Therapeutic

September 23, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Alterity Therapeutics Limited (Name of Re

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the

September 20, 2024 EX-99.1

Appendix 3Y Change of Director’s Interest Notice

Exhibit 99.1 Appendix 3Y Change of Director’s Interest Notice Rule 3.19A.2 Appendix 3Y Change of Director’s Interest Notice Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public. Introduced 30/9/2001.. Amended 01/01/11 Name of Entity: Alterity Therapeutics Limited (ASX:ATH) ABN: 37 0

September 20, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Alterity Therapeutics Limited (Name of Re

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the

September 3, 2024 EX-99.1

Appendix 3H - Notification of cessation of securities

Exhibit 99.1 Appendix 3H - Notification of cessation of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement Monday September 02, 2024 Details of +securities that have ceased ASX +security code Security description Number of +securities that have ceased The +securities have ceased due to Date of cessation ATHAAI OPTI

September 3, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Alterity Therapeutics Limited (Name of Re

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the

August 29, 2024 EX-99.1

2

Exhibit 99.1 Alterity Therapeutics Limited ACN 080 699 065 Preliminary Final Report - 30 June 2024 2 Alterity Therapeutics Limited Appendix 4E - Preliminary Final Report For the year ended 30 June 2024 Name of entity Alterity Therapeutics Limited ABN or equivalent company reference 37 080 699 065 Current reporting period 30 June 2024 Corresponding reporting period 30 June 2023 Results for announce

August 29, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Alterity Therapeutics Limited (Name of Regis

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the reg

August 1, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Alterity Therapeutics Limited (Name of Regis

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the reg

August 1, 2024 EX-99.1

Number of +securities that have ceased

Exhibit 99.1 Appendix 3H - Notification of cessation of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement Thursday August 01, 2024 Details of +securities that have ceased ASX +security code Security description Number of +securities that have ceased The +securities have ceased due to Date of cessation ATHAAF OPTIO

July 31, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

July 31, 2024 EX-99.1

Appendix 4C – Q4 FY24 Quarterly Cash Flow Report

Exhibit 99.1 Appendix 4C – Q4 FY24 Quarterly Cash Flow Report Highlights ● Positive interim data reported from ATH434-202 Phase 2 clinical trial showing improvement on the UMSARS Activities of Daily Living Scale and stable or improved neurological symptoms in some patients ● Data from the bioMUSE Natural History Study continues to characterize early stage MSA and inform Alterity’s Phase 2 clinical

July 24, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

July 24, 2024 EX-99.1

Alterity Therapeutics to Present at MST Financial Webinar

Exhibit 99.1 Alterity Therapeutics to Present at MST Financial Webinar MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 24 July 2024: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotechnology company dedicated to developing disease modifying treatments for neurodegenerative diseases, will be presenting a webinar to investors and shareholders hosted by MST Financial

July 19, 2024 EX-99.1

Notice Under Section 708A(5)(e) of the Corporations Act

Exhibit 99.1 ASX ANNOUNCEMENT 19 July 2024 Notice Under Section 708A(5)(e) of the Corporations Act This notice is given by Alterity Therapeutics Limited ACN 080 699 065 (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), under section 708A(5)(e) of the Corporations Act 2001 (Cth) (Corporations Act). Details of securities issued Type Shares Class/Description Fully paid ordinary shares ASX Code

July 19, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

July 19, 2024 EX-99.1

Appendix 2A - Application for quotation of securities

Exhibit 99.1 Appendix 2A - Application for quotation of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement Friday July 19, 2024 The +securities to be quoted are: +Securities issued as part of a transaction or transactions previously announced to the market in an Appendix 3B Total number of +securities to be quoted

July 19, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

July 18, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

July 18, 2024 EX-99.1

Announcement Summary

Exhibit 99.1 Appendix 3B - Proposed issue of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement 18/7/2024 The Proposed issue is: A placement or other type of issue Total number of +securities proposed to be issued for a placement or other type of issue ASX +security code +Security description Maximum Number of +sec

July 17, 2024 EX-99.1

Alterity Therapeutics Reports Positive Interim Data from ATH434-202 Phase 2 Clinical Trial in Multiple System Atrophy – 43% of Participants Showed Improvement on the UMSARS Activities of Daily Living Scale – – 29% of Participants had Stable or Improv

Exhibit 99.1 Alterity Therapeutics Reports Positive Interim Data from ATH434-202 Phase 2 Clinical Trial in Multiple System Atrophy – 43% of Participants Showed Improvement on the UMSARS Activities of Daily Living Scale – – 29% of Participants had Stable or Improved Neurological Symptoms – – Objective Biomarkers Demonstrated Improvement Consistent with Clinical Findings – – ATH434 was Well-Tolerate

July 17, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

July 15, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

July 15, 2024 EX-99.1

Alterity Therapeutics Limited ABN 37 080 699 065 Level 14, 350 Collins Street, Melbourne, VIC 3000 Australia T: +61 (0)3 9349 4906 | www.alteritytherapeutics.com

Exhibit 99.1 Market Announcement 15 July 2024 Alterity Therapeutics Limited (ASX: ATH) – Trading Halt Description The securities of Alterity Therapeutics Limited (‘ATH’) will be placed in trading halt at the request of ATH, pending it releasing an announcement. Unless ASX decides otherwise, the securities will remain in trading halt until the earlier of the commencement of normal trading on Wednes

July 1, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

July 1, 2024 EX-99.1

Total number of +securities on issue

Exhibit 99.1 Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Date of this announcement Friday June 28, 2024 The +securities the subject of this notification are: +Other securities issued under an +employee incentive scheme that are not intended to be quoted on ASX Total number of +securities

June 13, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Alterity Therapeutics Limited (Name of Registr

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regis

June 13, 2024 EX-99.1

Alterity Therapeutics to Present at the MST Access ‘Hidden Gems in Life Sciences’ Webinar

Exhibit 99.1 Alterity Therapeutics to Present at the MST Access ‘Hidden Gems in Life Sciences’ Webinar MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 13 June 2024: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotechnology company dedicated to developing disease modifying treatments for neurodegenerative diseases, today announced that David Stamler, M.D., Chief Ex

May 31, 2024 EX-99.1

Alterity Therapeutics to Host Webcast Today on New Data from the bioMUSE Natural History Study - New bioMUSE Data Informs ATH434-202 Study Endpoints – - Webcast to Include Key Opinion Leader, Daniel Claassen, M.D., M.S., Vanderbilt University -

Exhibit 99.1 Alterity Therapeutics to Host Webcast Today on New Data from the bioMUSE Natural History Study - New bioMUSE Data Informs ATH434-202 Study Endpoints – - Webcast to Include Key Opinion Leader, Daniel Claassen, M.D., M.S., Vanderbilt University - MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 30 May 2024: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a bio

May 31, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Alterity Therapeutics Limited (Name of Registra

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regist

May 23, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Alterity Therapeutics Limited (Name of Registra

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regist

May 23, 2024 EX-99.1

Number of +securities that have ceased

Exhibit 99.1 Appendix 3H - Notification of cessation of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement Tuesday May 21, 2024 Details of +securities that have ceased ASX +security code Security description Number of +securities that have ceased The +securities have ceased due to Date of cessation ATHAAE OPTION EX

May 9, 2024 EX-99.1

Alterity Therapeutics Phase 2 Data Monitoring Committee Recommends Continuing Clinical Trial as Planned After Third Review - ATH434-201 Trial on Track to Complete in November 2024 – - Top-Line Data Expected in January 2025 -

Exhibit 99.1 Alterity Therapeutics Phase 2 Data Monitoring Committee Recommends Continuing Clinical Trial as Planned After Third Review - ATH434-201 Trial on Track to Complete in November 2024 – - Top-Line Data Expected in January 2025 - MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 8 May 2024: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotechnology company de

May 9, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Alterity Therapeutics Limited (Name of Registra

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regist

April 30, 2024 EX-99.1

Appendix 4C – Q3 FY24 Quarterly Cash Flow Report

Exhibit 99.1 Appendix 4C – Q3 FY24 Quarterly Cash Flow Report Highlights ● ATH434-201 Phase 2 baseline data confirm approach to target biomarkers for slowing disease progression ● Presented promising nonclinical data on ATH434 in a primate model of Parkinson’s disease ● Raised approximately A$5.25M to strengthen the balance sheet ● Received an A$3.9M Research and Development Tax Incentive Refund ●

April 30, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 29, 2024 EX-99.1

Alterity Therapeutics Presents New Data Demonstrating Potential of ATH434 to Treat Rare Neurodegenerative Disease Friedreich’s Ataxia – New Evidence Indicates ATH434 can Function as an Iron Chaperone to Redistribute Iron –

Exhibit 99.1 Alterity Therapeutics Presents New Data Demonstrating Potential of ATH434 to Treat Rare Neurodegenerative Disease Friedreich’s Ataxia – New Evidence Indicates ATH434 can Function as an Iron Chaperone to Redistribute Iron – MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 29 April 2024: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotechnology company d

April 29, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 29, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 29, 2024 EX-99.1

Number of +securities to be quoted

Exhibit 99.1 Appendix 2A - Application for quotation of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement Monday April 29, 2024 The +securities to be quoted are: +Securities issued, transferred or re-classified as a result of options being exercised or other +convertible securities being converted Total number of

April 17, 2024 EX-99.1

Alterity Therapeutics Parkinson’s Disease and Multiple System Atrophy Data Featured at the American Academy of Neurology (AAN) 2024 Annual Meeting – ATH434 Improved Motor Performance and General Function in a Primate Model of Parkinson’s Disease – –

Exhibit 99.1 Alterity Therapeutics Parkinson’s Disease and Multiple System Atrophy Data Featured at the American Academy of Neurology (AAN) 2024 Annual Meeting – ATH434 Improved Motor Performance and General Function in a Primate Model of Parkinson’s Disease – – ATH434-201 Phase 2 Baseline Data Confirm Approach to Target Biomarkers for Slowing Disease Progression – – 12-Month Data from bioMUSE Stu

April 17, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 15, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 15, 2024 EX-99.1

Appendix 2A - Application for quotation of securities

Exhibit 99.1 Appendix 2A - Application for quotation of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement Monday April 15, 2024 The +securities to be quoted are: +Securities issued as part of a transaction or transactions previously announced to the market in an Appendix 3B Total number of +securities to be quoted

April 12, 2024 EX-99.1

Results of Extraordinary General Meeting

Exhibit 99.1 Results of Extraordinary General Meeting MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 12 April 2024 Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”) advises that all resolutions considered at the Extraordinary General Meeting held today were carried by poll. In accordance with ASX Listing rule 3.13.2 and Section 251AA(1) of the Corporations Act 2001, detai

April 12, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 12, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

April 12, 2024 EX-99.1

ALTERITY THERAPEUTICS LIMITED [ACN 080 699 065] (“the Company”) OPTIONS PROSPECTUS This Prospectus contains an offer of 285,087,720 options (Options) each with an exercise price of A$0.01 (1 Australian cent), expiry date of 31 August 2026 and which,

Exhibit 99.1 ALTERITY THERAPEUTICS LIMITED [ACN 080 699 065] (“the Company”) OPTIONS PROSPECTUS This Prospectus contains an offer of 285,087,720 options (Options) each with an exercise price of A$0.01 (1 Australian cent), expiry date of 31 August 2026 and which, upon exercise, entitle the holder to one fully paid ordinary share in the capital of the Company. The offer of Options under this Prospec

March 26, 2024 EX-99.1

Alterity Therapeutics Receives a $3.9 million Research & Development Tax Incentive Refund

Exhibit 99.1 Alterity Therapeutics Receives a $3.9 million Research & Development Tax Incentive Refund MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 26 March 2024. Alterity Therapeutics Limited (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotechnology company dedicated to developing disease modifying treatments for neurodegenerative diseases, today announced that it has received a A$

March 26, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

March 15, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

March 15, 2024 EX-99.1

ALTERITY THERAPEUTICS LIMITED ACN 080 699 065 Notice of Extraordinary General Meeting and Explanatory Memorandum

Exhibit 99.1 ALTERITY THERAPEUTICS LIMITED ACN 080 699 065 Notice of Extraordinary General Meeting and Explanatory Memorandum Time and Date of Meeting: 10:00 am (AEST) on Friday 12 April 2024 Registration from 9:30 am Location: Level 3, 62 Lygon Street, Carlton, Victoria, 3053 Voting ahead of attending the Meeting Shareholders are strongly encouraged to vote by lodging a directed proxy appointing

March 4, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

March 4, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Alterity Therapeutics Limited (Name of Regist

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the regi

March 4, 2024 EX-99.1

Announcement Summary

Exhibit 99.1 Appendix 2A - Application for quotation of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement Monday March 04, 2024 The +securities to be quoted are: +Securities issued as part of a transaction or transactions previously announced to the market in an Appendix 3B Total number of +securities to be quoted

March 4, 2024 EX-99.1

Notice Under Section 708A(5)(e) of the Corporations Act

Exhibit 99.1 ASX ANNOUNCEMENT 4 March 2024 Notice Under Section 708A(5)(e) of the Corporations Act This notice is given by Alterity Therapeutics Limited ACN 080 699 065 (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), under section 708A(5)(e) of the Corporations Act 2001 (Cth) (Corporations Act). Details of securities issued Type Shares Class/Description Fully paid ordinary shares ASX Code

February 29, 2024 EX-99.1

Alterity Therapeutics Limited ABN 37 080 699 065 Interim financial report for the half-year ended 31 December 2023

Exhibit 99.1 Alterity Therapeutics Limited Appendix 4D Half-year ended 31 December 2023 Name of entity: Alterity Therapeutics Limited ABN: 37 080 699 065 Half-year ended: 31 December 2023 Previous period: 31 December 2022 Results for announcement to the market A$ Revenue from ordinary activities Up 940.5 % to 118,400 Net loss after tax (from ordinary activities) for the period attributable to memb

February 29, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

February 23, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

February 23, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

February 23, 2024 EX-99.1

Announcement Summary

Exhibit 99.1 Appendix 3B - Proposed issue of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement 23/2/2024 The Proposed issue is: A placement or other type of issue Total number of +securities proposed to be issued for a placement or other type of issue ASX +security code +Security description Maximum number of +sec

February 23, 2024 EX-99.1

Alterity Therapeutics Raises $3.25 M AUD in Placement – Company Now Fully Funded Through Data Readout for Primary Phase 2 Clinical Trial –

Exhibit 99.1 Alterity Therapeutics Raises $3.25 M AUD in Placement – Company Now Fully Funded Through Data Readout for Primary Phase 2 Clinical Trial – MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 23 February 2024: Alterity Therapeutics (ASX: ATH, NASDAQ: ATHE) (“Alterity” or “the Company”), a biotechnology company dedicated to developing disease modifying treatments for neurodegenerative disease

February 23, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

February 23, 2024 EX-99.1

Announcement Summary

Exhibit 99.1 Appendix 3B - Proposed issue of securities Announcement Summary Entity name ALTERITY THERAPEUTICS LIMITED Announcement Type New announcement Date of this announcement 23/2/2024 The Proposed issue is: A placement or other type of issue Total number of +securities proposed to be issued for a placement or other type of issue ASX +security code +Security description Maximum number of +sec

February 22, 2024 EX-99.1

Alterity Therapeutics Limited ABN 37 080 699 065 Level 14, 350 Collins Street, Melbourne, VIC 3000 Australia T: +61 (0)3 9349 4906 | www.alteritytherapeutics.com

Exhibit 99.1 Market Announcement 22 February 2024 Alterity Therapeutics Limited (ASX: ATH) – Trading Halt Description The securities of Alterity Therapeutics Limited (‘ATH’) will be placed in trading halt at the request of ATH, pending it releasing an announcement. Unless ASX decides otherwise, the securities will remain in trading halt until the earlier of the commencement of normal trading on Mo

February 22, 2024 6-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Alterity Therapeutics Limited (Name of Reg

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-163 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Alterity Therapeutics Limited (Name of Registrant) Level 14, 350 Collins Street, Melbourne, Victoria 3000 Australia (Address of Principal Executive Office) Indicate by check mark whether the r

February 20, 2024 EX-99.1

Alterity Therapeutics to Present New Data at the Upcoming American Academy of Neurology 2024 Annual Meeting – Positive Efficacy Data for ATH434 in a Primate Model of Parkinson’s Disease to be Presented at International Conference – – Baseline Biomark

Exhibit 99.1 Alterity Therapeutics to Present New Data at the Upcoming American Academy of Neurology 2024 Annual Meeting – Positive Efficacy Data for ATH434 in a Primate Model of Parkinson’s Disease to be Presented at International Conference – – Baseline Biomarker Data to be Presented from Ongoing ATH434-201 Phase 2 Clinical Trial – MELBOURNE, AUSTRALIA AND SAN FRANCISCO, USA – 20 February 2024:

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