ALDX / Aldeyra Therapeutics, Inc. - Документы SEC, Годовой отчет, Доверенное заявление

Альдейра Терапевтикс, Инк.
US ˙ NasdaqCM ˙ US01438T1060

Основная статистика
LEI 529900HGKY864E4Y9014
CIK 1341235
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 Aldeyra Therapeutics, Inc.
SEC Filings (Chronological Order)
На этой странице представлен полный хронологический список документов SEC, за исключением документов о собственности, которые мы предоставляем в других местах.
August 19, 2025 EX-99.1

Aldeyra Therapeutics Receives Fast Track Designation for ADX‑2191 for the Treatment of Retinitis Pigmentosa

Exhibit 99.1 Aldeyra Therapeutics Receives Fast Track Designation for ADX‑2191 for the Treatment of Retinitis Pigmentosa LEXINGTON, Mass., August 19, 2025 – Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra) today announced that the U.S. Food and Drug Administration (FDA) has granted fast track designation for ADX-2191 (methotrexate intravitreal injection, USP) for the treatment of retinitis pigm

August 19, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 19, 2025 ALDEYRA THERAPEUT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 19, 2025 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commiss

August 7, 2025 EX-10.1

Sixth Amendment to Lease between WLC Three VI, L.L.C. and the Registrant, dated as of April 1, 2025.

Exhibit 10.1 SIXTH AMENDMENT TO LEASE AGREEMENT THIS SIXTH AMENDMENT TO LEASE AGREEMENT is made and entered into on April 1, 2025, by and between 131 Hartwell LLC, a Massachusetts limited liability company ("Landlord") and Aldeyra Therapeutics, Inc. a Delaware corporation ("Tenant"). RECITALS: A. The Landlord and the Tenant executed a Lease Agreement dated September 20, 2017, a First Amendment dat

August 7, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-36332 ALDEYRA

July 17, 2025 EX-99.1

Aldeyra Therapeutics Announces FDA Acceptance for Review of Reproxalap New Drug Application for the Treatment of Dry Eye Disease PDUFA Target Action Date December 16, 2025

Exhibit 99.1 Aldeyra Therapeutics Announces FDA Acceptance for Review of Reproxalap New Drug Application for the Treatment of Dry Eye Disease PDUFA Target Action Date December 16, 2025 Lexington, Mass., July 17, 2025 – Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra) today announced that the U.S. Food and Drug Administration (FDA) has accepted for review the resubmitted New Drug Application (ND

July 17, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 17, 2025 ALDEYRA THERAPEUTIC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 17, 2025 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissio

June 26, 2025 EX-99.1

Aldeyra Therapeutics Receives Special Protocol Assessment Agreement Letter from the U.S. Food and Drug Administration for ADX-2191 for the Treatment of Primary Vitreoretinal Lymphoma

Exhibit 99.1 News Release Aldeyra Therapeutics Receives Special Protocol Assessment Agreement Letter from the U.S. Food and Drug Administration for ADX-2191 for the Treatment of Primary Vitreoretinal Lymphoma Lexington, Mass., June 26, 2025 – Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra) today announced receipt of a Special Protocol Assessment Agreement Letter from the U.S. Food and Drug Adm

June 26, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 26, 2025 ALDEYRA THERAPEUTIC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 26, 2025 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissio

June 17, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 17, 2025 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissio

June 17, 2025 EX-99.1

Aldeyra Therapeutics Resubmits Reproxalap New Drug Application for the Treatment of Dry Eye Disease

Exhibit 99.1 News Release Aldeyra Therapeutics Resubmits Reproxalap New Drug Application for the Treatment of Dry Eye Disease Lexington, Mass., June 17, 2025 – Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra), a biotechnology company devoted to discovering and developing innovative therapies designed to treat immune-mediated and metabolic diseases, today announced the resubmission of a New Drug

June 11, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 11, 2025 (June 10, 2025) ALD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 11, 2025 (June 10, 2025) ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorpora

May 14, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-36332 ALDEYRA

May 6, 2025 EX-99.1

Disclaimers and Forward-Looking Statements This presentation contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and Section 21E of the Securities Exchange Act of 1934, as amended, including

Topline Data Release and NDA Resubmission Plan REPROXALAP FOR THE POTENTIAL TREATMENT OF DRY EYE DISEASE May 6, 2025 Nasdaq: ALDX © Aldeyra Therapeutics, Inc.

May 6, 2025 EX-99.2

Aldeyra Therapeutics Achieves Primary Endpoint in Phase 3 Dry Eye Disease Chamber Trial of Reproxalap and Plans NDA Resubmission In a Dry Eye Chamber Trial, Reproxalap Was Statistically Superior (P=0.002) to Vehicle in Primary Endpoint of Ocular Disc

Exhibit 99.2 News Release Aldeyra Therapeutics Achieves Primary Endpoint in Phase 3 Dry Eye Disease Chamber Trial of Reproxalap and Plans NDA Resubmission In a Dry Eye Chamber Trial, Reproxalap Was Statistically Superior (P=0.002) to Vehicle in Primary Endpoint of Ocular Discomfort Aldeyra Believes the Dry Eye Chamber Trial Results, including No Notable Differences in Baseline Scores Across Treatm

May 6, 2025 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 6, 2025 (May 5, 2025) ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation

April 25, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.) Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted

April 25, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.)

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.) Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 1

April 17, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 17, 2025 ALDEYRA THERAPEUTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 17, 2025 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissi

April 17, 2025 EX-99.1

Aldeyra Therapeutics Appoints Chip Clark to Board of Directors

Exhibit 99.1 Aldeyra Therapeutics Appoints Chip Clark to Board of Directors Lexington, Mass., April 17, 2025 – Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra), a biotechnology company devoted to discovering and developing innovative therapies designed to treat immune-mediated and metabolic diseases, today announced the appointment of Chip Clark to the company’s board of directors. “Chip posses

April 3, 2025 EX-99.2

Aldeyra Therapeutics Receives Complete Response Letter from the U.S. Food and Drug Administration for the Reproxalap New Drug Application for the Treatment of Signs and Symptoms of Dry Eye Disease

Exhibit 99.2 News Release Aldeyra Therapeutics Receives Complete Response Letter from the U.S. Food and Drug Administration for the Reproxalap New Drug Application for the Treatment of Signs and Symptoms of Dry Eye Disease • Top-Line Data from Dry Eye Chamber Trial and Field Trial Expected in Q2 2025 • Pending Positive Results and Discussions with the FDA, New Drug Application Resubmission Expecte

April 3, 2025 8-K

Regulation FD Disclosure, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 3, 2025 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissio

April 3, 2025 EX-99.1

2 Disclaimers and Forward-Looking Statements This presentation contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and Section 21E of the Securities Exchange Act of 1934, as amended, includin

EX-99.1 Exhibit 99.1 C O N F E R E N C E C A L L Reproxalap for the Potential Treatment of Dry Eye Disease: Regulatory Update April 3, 2025 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2025 2 Disclaimers and Forward-Looking Statements This presentation contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and Section 21E of the Securities Excha

March 28, 2025 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K/A (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K/A (Amendment No. 1) (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For transition period from to Commission file number 001-36332

February 28, 2025 EX-97

Aldeyra Therapeutics, Inc. Policy for the Recovery of Erroneously Awarded Compensation

Exhibit 97 ALDEYRA THERAPEUTICS, INC. POLICY FOR THE RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION 1. Purpose. The purpose of this Policy is to describe the circumstances in which Executive Officers will be required to repay or return Erroneously Awarded Compensation to members of the Company Group. This Policy is designed to comply with, and shall be interpreted to be consistent with, Section 10D

February 28, 2025 S-8

As filed with the Securities and Exchange Commission on February 28, 2025

As filed with the Securities and Exchange Commission on February 28, 2025 Registration No.

February 28, 2025 EX-21.1

Subsidiaries of Aldeyra Therapeutics, Inc.

Exhibit 21.1 SUBSIDIARIES OF ALDEYRA THERAPEUTICS, INC. Name of Subsidiary Jurisdiction of Organization Helio Vision, LLC United States of America Helio Vision Germany GmbH Germany Aldeyra Securities Corporation United States of America

February 28, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For transition period from to Commission file number 001-36332 ALDEYRA THERAPEUTIC

February 28, 2025 EX-19.1

Aldeyra Therapeutics, Inc. Amended and Restated Insider Trading Policy

Exhibit 19.1 Aldeyra Therapeutics, Inc. Amended and Restated Insider Trading Policy (Effective as of February 28, 2023) Table of Contents Page Introduction 1 A. Legal Prohibitions on Insider Trading 1 B. Detection and Prosecution of Insider Trading 1 C. Penalties for Violation of Insider Trading Laws and This Policy 2 D. Compliance Officer 3 E. Reporting Violations 3 F. Personal responsibility 3 P

February 28, 2025 EX-10.27

Expansion Side Letter Agreement: Aldeyra & AbbVie Collaboration Update

Exhibit 10.27 CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY [****], HAS BEEN OMITTED BECAUSE IT IS (I) NOT MATERIAL AND (II) OF THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. November 15, 2024 Aldeyra Therapeutics, Inc. 131 Hartwell Avenue, Suite 320 Lexington, MA 02421 Re: Aldeyra and Reproxalap commercialization funding and option period extension To Who

February 28, 2025 EX-FILING FEES

Filing Fee Table.

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) Aldeyra Therapeutics, Inc.

February 28, 2025 EX-10.25

Fifth Amendment to Loan and Security Agreement, dated October 28, 2024, by and among the Registrant, Helio Vision, LLC, the several banks and other financial institutions or entities from time to time parties thereto and Hercules Capital, Inc.

Exhibit 10.25 Execution Version FIFTH AMENDMENT TO LOAN AND SECURITY AGREEMENT THIS FIFTH AMENDMENT TO LOAN AND SECURITY AGREEMENT (this “Amendment”), dated as of October 28, 2024 (the “Fifth Amendment Effective Date”), is entered into by and among ALDEYRA THERAPEUTICS INC., a Delaware corporation (“Aldeyra”), Helio Vision, LLC, a Delaware limited liability company, and each of Aldeyra’s Qualified

November 18, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 18, 2024 (November 15, 2024) ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of i

November 18, 2024 EX-99.1

Aldeyra Therapeutics Announces FDA Acceptance for Review of Reproxalap New Drug Application for the Treatment of Dry Eye Disease, Expands AbbVie Option Agreement PDUFA Date is April 2, 2025

Exhibit 99.1 Aldeyra Therapeutics Announces FDA Acceptance for Review of Reproxalap New Drug Application for the Treatment of Dry Eye Disease, Expands AbbVie Option Agreement PDUFA Date is April 2, 2025 Lexington, Mass., November 18, 2024 – Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra) today announced that the U.S. Food and Drug Administration (FDA) has accepted for review the resubmitted Ne

November 14, 2024 SC 13G/A

ALDX / Aldeyra Therapeutics, Inc. / PERCEPTIVE ADVISORS LLC - SC 13G/A Passive Investment

SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 11)* Aldeyra Therapeutics, Inc. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 01438T 10 6 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate bo

November 7, 2024 EX-10.4

Master Services Agreement, effective as of August 15, 2024, between the Registrant and Danforth Global, Inc

Exhibit 10.4 MASTER SERVICES AGREEMENT This Master Services Agreement (the “Agreement”) is made effective as of August 15, 2024 (the “Effective Date”), by and between Aldeyra Therapeutics, Inc., a Delaware corporation, with its principal place of business being 131 Hartwell Avenue, Suite 320, Lexington, MA 02421 (the “Company”) and Danforth Global, Inc., a Delaware corporation, with its principal

November 7, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-36332 ALD

November 7, 2024 EX-10.3

Separation and Consulting Letter Agreement, effective as of August 31, 2024, between the Registrant and Bruce Greenberg.

Separation Agreement The following agreement (“Agreement”) between Bruce Greenberg (“you,” or “your,”) and Aldeyra Therapeutics, Inc.

October 3, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 3, 2024 ALDEYRA THERAPEUT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 3, 2024 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commiss

October 3, 2024 EX-99.1

Aldeyra Therapeutics Resubmits Reproxalap New Drug Application for the Treatment of Dry Eye Disease

Exhibit 99.1 News Release Aldeyra Therapeutics Resubmits Reproxalap New Drug Application for the Treatment of Dry Eye Disease Lexington, Mass., October 3, 2024 – Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra), a biotechnology company devoted to discovering and developing innovative therapies designed to treat immune-mediated and metabolic diseases, today announced the resubmission of a New Dr

October 2, 2024 8-K

Entry into a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 2, 2024 (September 30, 2024) ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of in

October 2, 2024 EX-10.2

Fourth Amendment to Loan and Security Agreement, dated September 30, 2024, by and among Aldeyra Therapeutics, Inc., Helio Vision, LLC, the several banks and other financial institutions or entities from time to time parties thereto and Hercules Capital, Inc.

Exhibit 10.2 FOURTH AMENDMENT TO LOAN AND SECURITY AGREEMENT THIS FOURTH AMENDMENT TO LOAN AND SECURITY AGREEMENT (this “Amendment”), dated as of September 30, 2024 (the “Fourth Amendment Effective Date”), is entered into by and among ALDEYRA THERAPEUTICS INC., a Delaware corporation (“Aldeyra”), Helio Vision, LLC, a Delaware limited liability company, and each of Aldeyra’s Qualified Subsidiaries

September 3, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 3, 2024 (August 29, 2024) ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of inc

August 8, 2024 EX-99.1

Dry Eye Disease Chamber Phase 3 Clinical Trial of Reproxalap REPROXALAP CLINICAL DEVELOPMENT AND REGULATORY UPDATE August 8, 2024 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2024 TOP - LINE RESULTS 2 Disclaimers and Forward - Looking Statements This pr

Exhibit 99.1 Dry Eye Disease Chamber Phase 3 Clinical Trial of Reproxalap REPROXALAP CLINICAL DEVELOPMENT AND REGULATORY UPDATE August 8, 2024 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2024 TOP - LINE RESULTS 2 Disclaimers and Forward - Looking Statements This presentation contains forward - looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and Section 2

August 8, 2024 EX-99.2

Aldeyra Therapeutics Achieves Primary Endpoint in Phase 3 Dry Eye Disease Clinical Trial of Reproxalap New Drug Application Resubmission Anticipated in 2024

Exhibit 99.2 News Release Aldeyra Therapeutics Achieves Primary Endpoint in Phase 3 Dry Eye Disease Clinical Trial of Reproxalap New Drug Application Resubmission Anticipated in 2024 Lexington, Mass., August 08, 2024 – Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra), a biotechnology company devoted to discovering and developing innovative therapies designed to treat immune-mediated and metabol

August 8, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2024 ALDEYRA THERAPEUTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2024 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissi

August 1, 2024 EX-10.1

Third Amendment to Loan and Security Agreement, dated April 29, 2024, by and among the Registrant, Helio Vision, LLC, the several banks and other financial institutions or entities from time to time parties thereto and Hercules Capital, Inc.

Exhibit 10.1 Execution Version THIRD AMENDMENT TO LOAN AND SECURITY AGREEMENT THIS THIRD AMENDMENT TO LOAN AND SECURITY AGREEMENT (this "Amendment"), dated as of April 29, 2024 (the "Third Amendment Effective Date"), is entered into by and among ALDEYRA THERAPEUTICS INC., a Delaware corporation ("Aldeyra"), Helio Vision, LLC, a Delaware limited liability company, and each of Aldeyra's Qualified Su

August 1, 2024 EX-1.1

Open Market Sale AgreementSM by and between the Company and Jefferies LLC, dated August 1, 2024.

Exhibit 1.1 OPEN MARKET SALE AGREEMENTSM August 1, 2024 JEFFERIES LLC 520 Madison Avenue New York, New York 10022 Ladies and Gentlemen: Aldeyra Therapeutics, Inc., a Delaware corporation (the “Company”), proposes, subject to the terms and conditions stated herein, to issue and sell from time to time through Jefferies LLC, as sales agent and/or principal (the “Agent”), shares of the Company’s commo

August 1, 2024 424B5

Up to $75,000,000 Common Stock

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-277753 PROSPECTUS SUPPLEMENT (To Prospectus dated April 24, 2024) Up to $75,000,000 Common Stock We have entered into an Open Market Sale AgreementSM, dated August 1, 2024, or the sales agreement, with Jefferies LLC, or Jefferies, relating to the offer and sale of shares of our common stock, par value $0.001 per share, from ti

August 1, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-36332 ALDEYRA

August 1, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 1, 2024 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissi

August 1, 2024 EX-10.2

Fifth Amendment to Lease between WLC Three VI, L.L.C. and the Registrant, dated as of April 29, 2024.

Exhibit 10.2 FIFTH AMENDMENT TO LEASE AGREEMENT THIS FIFTH AMENDMENT TO LEASE AGREEMENT is made and entered into on April 29, 2024, by and between 131 Hartwell LLC, a Massachusetts limited liability company ("Landlord") and Aldeyra Therapeutics, Inc. a Delaware corporation ("Tenant"). RECITALS: A. The Landlord and the Tenant executed a Lease Agreement dated September 20, 2017, a First Amendment da

June 20, 2024 EX-99.1

Aldeyra Therapeutics Announces Advancement of New RASP Modulators and Recent Preclinical Data in Obesity at 2024 Investor Roundtable Live Webcast Scheduled to Begin at 8:00 a.m. ET Today

Exhibit 99.1 News Release Aldeyra Therapeutics Announces Advancement of New RASP Modulators and Recent Preclinical Data in Obesity at 2024 Investor Roundtable Live Webcast Scheduled to Begin at 8:00 a.m. ET Today Lexington, Mass., June 20, 2024 – Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra), a biotechnology company devoted to discovering and developing innovative therapies designed to treat

June 20, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 20, 2024 ALDEYRA THERAPEUTIC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 20, 2024 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissio

June 13, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 13, 2024 ALDEYRA THERAPEUTIC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 13, 2024 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissio

June 13, 2024 EX-99.1

Aldeyra Therapeutics Completes Enrollment in Phase 3 Clinical Trial of Reproxalap in Dry Eye Disease Clinical Trial Results and Potential New Drug Application Resubmission Expected in the Second Half of 2024

Exhibit 99.1 Aldeyra Therapeutics Completes Enrollment in Phase 3 Clinical Trial of Reproxalap in Dry Eye Disease Clinical Trial Results and Potential New Drug Application Resubmission Expected in the Second Half of 2024 LEXINGTON, Mass.-(BUSINESS WIRE) – June 13, 2024 - Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra), a biotechnology company devoted to discovering and developing innovative th

June 7, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 7, 2024 (June 4, 2024) ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporati

May 2, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-36332 ALDEYRA

April 25, 2024 EX-99.2

Aldeyra Therapeutics Highlights Recent Preclinical Data in Obesity, Atopic Dermatitis, Pain, and Alcoholic Hepatitis, and Announces Planned Pivotal Clinical Trial in Retinitis Pigmentosa, at 2024 Research & Development Day Live Webcast Scheduled to B

Exhibit 99.2 Aldeyra Therapeutics Highlights Recent Preclinical Data in Obesity, Atopic Dermatitis, Pain, and Alcoholic Hepatitis, and Announces Planned Pivotal Clinical Trial in Retinitis Pigmentosa, at 2024 Research & Development Day Live Webcast Scheduled to Begin at 9 am EDT Today LEXINGTON, Mass.-(BUSINESS WIRE)-Apr. 25, 2024- Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra) will host the

April 25, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 25, 2024 ALDEYRA THERAPEUTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 25, 2024 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissi

April 25, 2024 EX-99.1

202 4 R e s e a r c h & D e v e l o p m e n t D a y C O R P O A T E O A p r i l 25 , 202 4 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2024 Todd C. Brady, M.D., Ph.D., Chief Executive Officer, Aldeyra Therapeutics W e l c o m e a n d O p e n i n g R e

Exhibit 99.1 202 4 R e s e a r c h & D e v e l o p m e n t D a y C O R P O A T E O A p r i l 25 , 202 4 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2024 Todd C. Brady, M.D., Ph.D., Chief Executive Officer, Aldeyra Therapeutics W e l c o m e a n d O p e n i n g R e m a r k s 3 D i sc l a i m e r s a n d F o r w a r d - L oo k i n g S t a t e m e n t s This presentation and various remarks which may b

April 22, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.)

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 22, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.) Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(

April 22, 2024 CORRESP

Aldeyra Therapeutics, Inc. 131 Hartwell Avenue Suite 320 Lexington, MA 02421

Aldeyra Therapeutics, Inc. 131 Hartwell Avenue Suite 320 Lexington, MA 02421 April 22, 2024 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F. Street N.E. Washington, D.C. 20549 Attn: Doris Stacey Gama Re: Aldeyra Therapeutics, Inc. Registration Statement on Form S-3 (File No. 333-277753) Dear Ms. Gama: Pursuant to Rules 460 and 461 under the Securities Act of 1933

March 28, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 28, 2024 ALDEYRA THERAPEUTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 28, 2024 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissi

March 28, 2024 EX-99.1

Aldeyra Therapeutics Announces Clinical Development Plan for Resubmission of New Drug Application for Reproxalap in Dry Eye Disease

Exhibit 99.1 News Release Aldeyra Therapeutics Announces Clinical Development Plan for Resubmission of New Drug Application for Reproxalap in Dry Eye Disease Lexington, Mass., March 28, 2024 – Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra), a biotechnology company devoted to discovering and developing innovative therapies designed to treat immune-mediated and metabolic diseases, today announc

March 7, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) Aldeyra Therapeutics, Inc.

March 7, 2024 EX-FILING FEES

Filing Fee Table.

EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) Aldeyra Therapeutics, Inc.

March 7, 2024 EX-10.14

Fourth Amendment to Lease between WLC Three VI, L.L.C. and the Registrant, dated as of November 22, 2023

Exhibit 10.14 FOURTH AMENDMENT TO LEASE This Fourth Amendment to Lease ("Fourth Amendment") is dated as of November 22, 2023 by and between 131 Hartwell LLC, a Massachusetts limited liability company ("Landlord"), successor-in-interest to WLC Three VI, L.L.C., a Delaware limited liability company ("Original Landlord") and Aldeyra Therapeutics, Inc. ("Tenant"), a Delaware corporation. WHEREAS, Orig

March 7, 2024 EX-10.26

Exclusive Option Agreement, between the Registrant and AbbVie Inc., dated as of October 31, 2023

Exhibit 10.26 Execution Version CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY [****], HAS BEEN OMITTED BECAUSE IT IS (I) NOT MATERIAL AND (II) OF THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. EXCLUSIVE OPTION AGREEMENT This Exclusive Option Agreement (the “Agreement”) is made and entered into as of October 31, 2023 (the “Effective Date”) by and between Al

March 7, 2024 EX-97

Aldeyra Therapeutics, Inc. Policy for the Recovery of Erroneously Awarded Compensation

Exhibit 97 ALDEYRA THERAPEUTICS, INC. POLICY FOR THE RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION 1. Purpose. The purpose of this Policy is to describe the circumstances in which Executive Officers will be required to repay or return Erroneously Awarded Compensation to members of the Company Group. This Policy is designed to comply with, and shall be interpreted to be consistent with, Section 10D

March 7, 2024 S-3

As filed with the Securities and Exchange Commission on March 7, 2024

Table of Contents As filed with the Securities and Exchange Commission on March 7, 2024 Registration No.

March 7, 2024 EX-21.1

Subsidiaries of Aldeyra Therapeutics, Inc.

Exhibit 21.1 SUBSIDIARIES OF ALDEYRA THERAPEUTICS, INC. Name of Subsidiary Jurisdiction of Organization Helio Vision, LLC United States of America Helio Vision Germany GmbH Germany

March 7, 2024 S-8

As filed with the Securities and Exchange Commission on March 7, 2024

As filed with the Securities and Exchange Commission on March 7, 2024 Registration No.

March 7, 2024 S-8 POS

As filed with the Securities and Exchange Commission on March 7, 2024

As filed with the Securities and Exchange Commission on March 7, 2024 Registration No.

March 7, 2024 10-K

Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For transition period from to Commission file number 001-36332 ALDEYRA THERAPEUTIC

February 14, 2024 SC 13G/A

ALDX / Aldeyra Therapeutics, Inc. / PERCEPTIVE ADVISORS LLC - SC 13G/A Passive Investment

SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 10)* Aldeyra Therapeutics, Inc. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 01438T 10 6 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

February 13, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 13, 2024 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commi

February 13, 2024 EX-99.1

Innovative Therapeuticsfor Immune-Mediated Diseases CORPORATE OVERVIEW February 2024 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2023 Disclaimers and Forward-Looking Statements This presentation contains forward-looking statements within the meaning of

Exhibit 99.1 Innovative Therapeuticsfor Immune-Mediated Diseases CORPORATE OVERVIEW February 2024 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2023 Disclaimers and Forward-Looking Statements This presentation contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and Section 21E of the Securities Exchange Act of 1934, as amended, including state

February 13, 2024 SC 13G

ALDX / Aldeyra Therapeutics, Inc. / VANGUARD GROUP INC - SCHEDULE 13G Passive Investment

SC 13G 1 tv0221-aldeyratherapeuticsin.htm SCHEDULE 13G SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 Name of issuer: Aldeyra Therapeutics Inc Title of Class of Securities: Common Stock CUSIP Number: 01438T106 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule pur

January 4, 2024 EX-99.1

Aldeyra Therapeutics Provides Clinical and Regulatory Update and Announces Advancement of RASP Platform in Systemic and Retinal Inflammatory Diseases

Exhibit 99.1 Aldeyra Therapeutics Provides Clinical and Regulatory Update and Announces Advancement of RASP Platform in Systemic and Retinal Inflammatory Diseases Based on positive biomarker results observed in adult cohort of Phase 2 clinical trial of ADX-629 in Sjögren-Larsson Syndrome, proposed expansion to include pediatric patients expected to be submitted to the US Food and Drug Administrati

January 4, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 4, 2024 ALDEYRA THERAPEUT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 4, 2024 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commiss

December 21, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 21, 2023 ALDEYRA THERAPE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 21, 2023 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commi

December 19, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 19, 2023 ALDEYRA THERAPE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 19, 2023 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commi

December 19, 2023 EX-99.2

Aldeyra Therapeutics Announces Statistically and Clinically Significant Improvement from Baseline in Phase 2 Clinical Trial of ADX‑629 in Patients with Atopic Dermatitis

Exhibit 99.2 Aldeyra Therapeutics Announces Statistically and Clinically Significant Improvement from Baseline in Phase 2 Clinical Trial of ADX‑629 in Patients with Atopic Dermatitis Statistically significant improvement from baseline observed in investigator-assessed Eczema Area and Severity Index (EASI, p=0.0006) and Investigator Global Assessment (IGA, p<0.0001) EASI 75% improvement (EASI-75) t

December 19, 2023 EX-99.1

Top-Line Results from thePhase 2 Clinical Trial of ADX-629in Atopic Dermatitis DATA RELEASE December 19, 2023 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2023 Disclaimers and Forward-Looking Statements This presentation and various remarks which may be

Exhibit 99.1 Top-Line Results from thePhase 2 Clinical Trial of ADX-629in Atopic Dermatitis DATA RELEASE December 19, 2023 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2023 Disclaimers and Forward-Looking Statements This presentation and various remarks which may be made during this presentation contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1

November 28, 2023 EX-99.1

2 Disclaimers and Forward-Looking Statements This presentation and various remarks which may be made during this presentation contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and Section 21

Exhibit 99.1 C O N F E R E N C E C A L L Reproxalap for the Treatment of Dry Eye Disease Regulatory Update November 28, 2023 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2023 2 Disclaimers and Forward-Looking Statements This presentation and various remarks which may be made during this presentation contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act

November 28, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 28, 2023 (November 27, 2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 28, 2023 (November 27, 2023) ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of i

November 28, 2023 EX-99.2

Aldeyra Therapeutics Receives Complete Response Letter from the U.S. Food and Drug Administration for the Reproxalap New Drug Application for the Treatment of Dry Eye Disease

Exhibit 99.2 Aldeyra Therapeutics Receives Complete Response Letter from the U.S. Food and Drug Administration for the Reproxalap New Drug Application for the Treatment of Dry Eye Disease • Additional Trial Required to Demonstrate Positive Effect on the Treatment of Ocular Symptoms in Dry Eye Disease • Special Protocol Assessment Submitted on November 16, 2023 for Dry Eye Disease Chamber Crossover

November 3, 2023 EX-FILING FEES

Filing Fee Table.

Exhibit 107 Calculation of Filing Fee Tables FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ALDEYRA THERAPEUTICS, INC.

November 3, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-36332 ALD

November 3, 2023 S-8

As filed with the Securities and Exchange Commission on November 3, 2023

S-8 As filed with the Securities and Exchange Commission on November 3, 2023 Registration No.

November 1, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 1, 2023 (October 31, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 1, 2023 (October 31, 2023) ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of inc

October 19, 2023 SC 13G/A

ALDX / Aldeyra Therapeutics Inc / PERCEPTIVE ADVISORS LLC - SC 13G/A Passive Investment

SC 13G/A 1 d476292dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 9)* Aldeyra Therapeutics, Inc. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 01438T 10 6 (CUSIP Number) October 16, 2023 (Date of Event Which Requires Filing of this Statemen

October 16, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 16, 2023 (October 10, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 16, 2023 (October 10, 2023) ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of inc

October 4, 2023 SC 13G

ALDX / Aldeyra Therapeutics Inc / Knoll Capital Management, LLC - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G* (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2 (Amendment No. )* Aldeyra Therapeutics Inc (Name of Issuer) COMMON STOCK, PAR VALUE $0.001 PER SHARE (Title of Class of Securities) 01438T 10 6 (CUSIP Number)

August 3, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-36332 ALDEYRA

August 3, 2023 EX-10.1

Aldeyra Therapeutics, Inc. 2023 Equity Incentive Plan, form of option agreement, and form of RSU agreement thereunder (filed as Exhibit 10.1 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2023 (as filed on August 3, 2023, and incorporated herein by reference))

Exhibit 10.1 Aldeyra Therapeutics, Inc. 2023 Equity Incentive Plan (As Adopted on May 18, 2023) DOCPROPERTY"SWDocID" GDSVF&H\8762776.11 Aldeyra Therapeutics, Inc. 2023 Equity Incentive Plan ARTICLE 1. INTRODUCTION. The Plan was adopted by the Board on May 18, 2023, and will become effective immediately upon its approval by the Company’s stockholders. The purpose of the Plan is to promote the long-

July 3, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 3, 2023 (June 30, 2023) ALDE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 3, 2023 (June 30, 2023) ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporat

June 29, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 29, 2023 ALDEYRA THERAPEUTIC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 29, 2023 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissio

June 29, 2023 EX-99.1

Top-Line Results from thePhase 2 Clinical Trial of ADX-2191 in Retinitis Pigmentosa DATA RELEASE June 29, 2023 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2023 Disclaimers and Forward-Looking Statements This presentation and various remarks which may b

Exhibit 99.1 Top-Line Results from thePhase 2 Clinical Trial of ADX-2191 in Retinitis Pigmentosa DATA RELEASE June 29, 2023 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2023 Disclaimers and Forward-Looking Statements This presentation and various remarks which may be made during this presentation contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of

June 29, 2023 EX-99.2

Aldeyra Therapeutics Announces Improvement from Baseline in Retinal Function in Phase 2 Clinical Trial of ADX‑2191 in Patients with Retinitis Pigmentosa

Exhibit 99.2 Aldeyra Therapeutics Announces Improvement from Baseline in Retinal Function in Phase 2 Clinical Trial of ADX‑2191 in Patients with Retinitis Pigmentosa Best Corrected and Low‑Light Visual Acuity Statistically Significantly Improved As Assessed by Electroretinography, Time to Retinal Response Statistically Significantly Improved As Assessed by Macular and Dark-Adapted Perimetry, Retin

June 27, 2023 EX-99.1

Top-Line Results from thePhase 2 Clinical Trial ofADX-629 in Chronic Cough DATA RELEASE June 27, 2023 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2023 Disclaimers and Forward-Looking Statements This presentation and various remarks which may be made du

Exhibit 99.1 Top-Line Results from thePhase 2 Clinical Trial ofADX-629 in Chronic Cough DATA RELEASE June 27, 2023 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2023 Disclaimers and Forward-Looking Statements This presentation and various remarks which may be made during this presentation contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and

June 27, 2023 EX-99.2

Aldeyra Therapeutics Announces Statistically Significant Reduction in Cough Frequency in Phase 2 Clinical Trial of ADX‑629 in Patients With Chronic Cough

Exhibit 99.2 Aldeyra Therapeutics Announces Statistically Significant Reduction in Cough Frequency in Phase 2 Clinical Trial of ADX‑629 in Patients With Chronic Cough Relative to Placebo, Statistical Significance Achieved for Reduction in Awake Cough Frequency (P=0.01), 24‑Hour Cough Frequency (P=0.001), Awake Cough Count (P=0.001), and 24‑Hour Cough Count (P=0.001) ADX-629 Was Well Tolerated and

June 27, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 27, 2023 ALDEYRA THERAPEUTIC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 27, 2023 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissio

June 21, 2023 EX-99.1

Aldeyra Therapeutics Provides Regulatory Update on ADX-2191

Exhibit 99.1 Aldeyra Therapeutics Provides Regulatory Update on ADX-2191 Based on U.S. Food & Drug Administration (FDA) Determination of Lack of Adequate and Well Controlled Investigations in the Scientific Literature, Complete Response Letter Received for New Drug Application (NDA) of ADX-2191 (methotrexate injection, USP) for the Treatment of Primary Vitreoretinal Lymphoma (PVRL) Due to Shortage

June 21, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 21, 2023 ALDEYRA THERAPEUTIC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 21, 2023 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissio

June 15, 2023 EX-99.1

Top-Line Results from thePhase 3 INVIGORATE-2 Trial in Allergic Conjunctivitis DATA RELEASE June 15, 2023 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2023 Disclaimers and Forward-Looking Statements This presentation and various remarks which may be mad

Exhibit 99.1 Top-Line Results from thePhase 3 INVIGORATE-2 Trial in Allergic Conjunctivitis DATA RELEASE June 15, 2023 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2023 Disclaimers and Forward-Looking Statements This presentation and various remarks which may be made during this presentation contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995

June 15, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 15, 2023 ALDEYRA THERAPEUTIC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 15, 2023 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissio

June 15, 2023 EX-99.2

Aldeyra Therapeutics Announces Achievement of Statistical Significance for Primary Endpoint and All Secondary Endpoints in Phase 3 INVIGORATE‑2 Trial of Reproxalap in Allergic Conjunctivitis

Exhibit 99.2 Aldeyra Therapeutics Announces Achievement of Statistical Significance for Primary Endpoint and All Secondary Endpoints in Phase 3 INVIGORATE‑2 Trial of Reproxalap in Allergic Conjunctivitis Statistical Significance Achieved for Primary Endpoint of Ocular Itching at All Prespecified Timepoints (P<0.0001) Statistical Significance Achieved for Key Secondary Endpoint of Ocular Redness (P

May 23, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.)

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

May 4, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-36332 ALDEYRA

May 4, 2023 EX-99.1

Aldeyra Therapeutics Reports First-Quarter 2023 Financial Results and Recent Corporate Highlights

Exhibit 99.1 Aldeyra Therapeutics Reports First-Quarter 2023 Financial Results and Recent Corporate Highlights Top-Line Results from the Phase 2 Clinical Trial of ADX-2191 in Retinitis Pigmentosa Expected in the Second Quarter of 2023 Top-Line Results from the Phase 2 Clinical Trial of ADX-629 in Chronic Cough Expected in the Second Quarter of 2023 Top-Line Results from the Phase 3 INVIGORATE-2 Tr

May 4, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2023 ALDEYRA THERAPEUTICS,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2023 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commission

April 28, 2023 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Amendment No. 1) (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRA

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Amendment No. 1) (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For transition period from to Commission file

March 10, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 10, 2023 ALDEYRA THERAPEUTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 10, 2023 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissi

March 9, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 9, 2023 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissio

March 9, 2023 EX-10

Offer Letter, effective as of November 27, 2019, between the Registrant and Bruce Greenberg.

Exhibit 10.24 Aldeyra Therapeutics, Inc. 131 Hartwell Avenue, Suite 320 Lexington, MA 02421 November 26, 2019 Bruce Greenberg xx xxxxx xxxxx xxxxxxxx, xx xxxxx Dear Bruce: Aldeyra Therapeutics, Inc. (the “Company”) is pleased to offer you employment on the following terms: 1. Position. Your initial title will be Vice President, Controller and you will initially report to the Company’s Chief Financ

March 9, 2023 EX-99.1

Aldeyra Therapeutics Reports Full-Year 2022 Financial Results and Recent Corporate Highlights

Exhibit 99.1 Aldeyra Therapeutics Reports Full-Year 2022 Financial Results and Recent Corporate Highlights NDA Priority Review PDUFA Date for ADX-2191 for the Treatment of Primary Vitreoretinal Lymphoma is June 21, 2023 NDA PDUFA Date for Reproxalap for the Treatment of Dry Eye Disease is November 23, 2023 Top-Line Results from the Phase 3 INVIGORATE-2 Trial of Reproxalap in Allergic Conjunctiviti

March 9, 2023 S-8

Power of Attorney (included in the signature page to the registration statement).

S-8 As filed with the Securities and Exchange Commission on March 9, 2023 Registration No.

March 9, 2023 EX-FILING FEES

Filing Fee Table.

EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) Aldeyra Therapeutics, Inc.

March 9, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For transition period from to Commission file number 001-36332 ALDEYRA THERAPEUTIC

March 9, 2023 EX-21

Subsidiaries of Aldeyra Therapeutics, Inc.

Exhibit 21.1 SUBSIDIARIES OF ALDEYRA THERAPEUTICS, INC. Name of Subsidiary Jurisdiction of Organization Helio Vision, LLC United States of America Helio Vision Germany GmbH Germany

March 2, 2023 EX-99.1

FDA Accepts for Priority Review ADX-2191 New Drug Application for the Treatment of Primary Vitreoretinal Lymphoma

Exhibit 99.1 FDA Accepts for Priority Review ADX-2191 New Drug Application for the Treatment of Primary Vitreoretinal Lymphoma PDUFA Date is June 21, 2023 Planned U.S. Launch of ADX-2191 in Second Half of 2023, Pending Approval by the FDA ADX-2191 with Potential to be the First FDA-Approved Drug Available for Patients Suffering from Primary Vitreoretinal Lymphoma LEXINGTON, Mass.-(BUSINESS WIRE)-M

March 2, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 2, 2023 ALDEYRA THERAPEUTIC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 2, 2023 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissio

February 14, 2023 SC 13G/A

ALDX / Aldeyra Therapeutics Inc / PERCEPTIVE ADVISORS LLC - SC 13G/A Passive Investment

SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 8)* Aldeyra Therapeutics, Inc. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 01438T 10 6 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

February 14, 2023 EX-99.1

AGREEMENT

EX-99.1 EXHIBIT 1 AGREEMENT The persons below hereby agree that the Schedule 13G to which this agreement is attached as an exhibit, as well as all future amendments to such Schedule 13G, shall be filed on behalf of each of them. This agreement is intended to satisfy the requirements of Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934. Date: February 14, 2023 PERCEPTIVE ADVISORS LLC

February 7, 2023 EX-99.1

Aldeyra Therapeutics Announces FDA Acceptance of New Drug Application for Reproxalap for the Treatment of Dry Eye Disease

Exhibit 99.1 Aldeyra Therapeutics Announces FDA Acceptance of New Drug Application for Reproxalap for the Treatment of Dry Eye Disease PDUFA Date is November 23, 2023 First-in-Class RASP Modulator Represents a Potential New Therapeutic Paradigm for Patients Suffering from Dry Eye Disease LEXINGTON, Mass.-(BUSINESS WIRE)-February 7, 2023-Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra) today ann

February 7, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 7, 2023 ALDEYRA THERAPEU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 7, 2023 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commis

December 27, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 27, 2022 (December 22, 2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 27, 2022 (December 22, 2022) ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of i

December 27, 2022 EX-10.2

Second Amendment to Loan and Security Agreement, dated December 22, 2022 and effective as of December 31, 2022, by and among the Registrant, Helio Vision, LLC, the several banks and other financial institutions or entities from time to time parties thereto and Hercules Capital, Inc. (filed as Exhibit 10.2 to the Registrant’s Current Report on Form 8-K as filed on December 27, 2022, and incorporated herein by reference).

Exhibit 10.2 SECOND AMENDMENT TO LOAN AND SECURITY AGREEMENT THIS SECOND AMENDMENT TO LOAN AND SECURITY AGREEMENT (this ?Amendment?), dated as of December 22, 2022, and effective as of December 31, 2022 (the ?Second Amendment Effective Date?), is entered into by and among ALDEYRA THERAPEUTICS INC., a Delaware corporation (?Aldeyra?), Helio Vision, LLC, a Delaware limited liability company, and eac

December 21, 2022 EX-99.1

Aldeyra Therapeutics Submits New Drug Application to the U.S. Food and Drug Administration for ADX‑2191 for the Treatment of Primary Vitreoretinal Lymphoma

Exhibit 99.1 Aldeyra Therapeutics Submits New Drug Application to the U.S. Food and Drug Administration for ADX‑2191 for the Treatment of Primary Vitreoretinal Lymphoma LEXINGTON, Mass.-(BUSINESS WIRE)-December 21, 2022-Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra) today announced the submission of a New Drug Application (NDA) to the U.S. Food and Drug Administration (FDA) for ADX‑2191 (meth

December 21, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 21, 2022 ALDEYRA THERAPE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 21, 2022 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commi

December 1, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 1, 2022 ALDEYRA THERAPEU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 1, 2022 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commis

December 1, 2022 EX-99.1

Aldeyra Therapeutics Announces Positive Primary Vitreoretinal Lymphoma Pre-NDA Meeting with the FDA

Exhibit 99.1 Aldeyra Therapeutics Announces Positive Primary Vitreoretinal Lymphoma Pre-NDA Meeting with the FDA Primary Vitreoretinal Lymphoma New Drug Application (NDA) for ADX-2191 Expected to be Submitted as Soon as the End of 2022 Company Intends to Request Priority Review Designation LEXINGTON, Mass.-(BUSINESS WIRE)-December 1, 2022-Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra) today a

November 29, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 29, 2022 ALDEYRA THERAPE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 29, 2022 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commi

November 29, 2022 EX-99.1

Aldeyra Therapeutics Submits New Drug Application to the U.S. Food and Drug Administration for Reproxalap for the Treatment of Signs and Symptoms of Dry Eye Disease

Exhibit 99.1 Aldeyra Therapeutics Submits New Drug Application to the U.S. Food and Drug Administration for Reproxalap for the Treatment of Signs and Symptoms of Dry Eye Disease LEXINGTON, Mass.-(BUSINESS WIRE)-November 29, 2022-Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra) today announced the submission of a New Drug Application (NDA) to the U.S. Food and Drug Administration (FDA) for topic

November 10, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 10, 2022 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commi

November 10, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-36332 ALD

November 10, 2022 EX-99.1

Aldeyra Therapeutics Reports Third-Quarter 2022 Financial Results and Recent Corporate Highlights

Exhibit 99.1 Aldeyra Therapeutics Reports Third-Quarter 2022 Financial Results and Recent Corporate Highlights New Drug Application (NDA) Submission of Reproxalap for the Treatment of Dry Eye Disease on Schedule for the Fourth Quarter of 2022 Pre-NDA Meeting with the U.S. Food and Drug Administration (FDA) Scheduled for the Fourth Quarter of 2022 to Discuss NDA Submission of ADX-2191 for the Treat

October 6, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 6, 2022 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commiss

October 6, 2022 EX-99.1

Top-Line Results from Part 1 of the Phase 3 GUARD Trial of ADX-2191 in Proliferative Vitreoretinopathy October 6, 2022 NASDAQ: ALDX ©Aldeyra Therapeutics, Inc. 2022 2 This presentation and various remarks which may be made during this presentation co

Exhibit 99.1 Top-Line Results from Part 1 of the Phase 3 GUARD Trial of ADX-2191 in Proliferative Vitreoretinopathy October 6, 2022 NASDAQ: ALDX ?Aldeyra Therapeutics, Inc. 2022 2 This presentation and various remarks which may be made during this presentation contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and Section 21E of the Securi

October 6, 2022 EX-99.2

Aldeyra Therapeutics Achieves Primary Endpoint in Part 1 of Phase 3 GUARD Trial of ADX-2191 in Proliferative Vitreoretinopathy

Exhibit 99.2 Aldeyra Therapeutics Achieves Primary Endpoint in Part 1 of Phase 3 GUARD Trial of ADX-2191 in Proliferative Vitreoretinopathy ADX-2191 Statistically Superior to Historical Control for Primary Endpoint of Prevention of Retinal Detachment (P=0.024) Numerical Superiority of ADX-2191 over Routine Surgical Care Achieved for Majority of Secondary, Exploratory, and Safety Endpoints ADX-2191

September 14, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 14, 2022 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Comm

September 14, 2022 EX-99.1

Aldeyra Therapeutics Announces Positive Dry Eye Disease Pre-NDA Meeting with the FDA and Highlights Upcoming Corporate Milestones

Exhibit 99.1 Aldeyra Therapeutics Announces Positive Dry Eye Disease Pre-NDA Meeting with the FDA and Highlights Upcoming Corporate Milestones Dry Eye Disease NDA for Reproxalap Expected to be Submitted in the Fourth Quarter of 2022 Pre-NDA Meeting for ADX-2191 for the Treatment of Primary Vitreoretinal Lymphoma Scheduled for the Fourth Quarter of 2022 Results from Part 1 of the Phase 3 GUARD Tria

August 5, 2022 EX-99.1

Aldeyra Therapeutics Reports Second-Quarter 2022 Financial Results and Recent Corporate Highlights

Exhibit 99.1 Aldeyra Therapeutics Reports Second-Quarter 2022 Financial Results and Recent Corporate Highlights Pre-NDA (New Drug Application) Meeting with the U.S. Food and Drug Administration (FDA) Scheduled for the Third Quarter of 2022 to Discuss NDA Submission of Reproxalap for the Treatment of Dry Eye Disease Pre-NDA Meeting with the FDA Planned for the Second Half of 2022 to Discuss NDA Sub

August 5, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 5, 2022 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissi

August 5, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-36332 ALDEYRA

July 12, 2022 EX-99.1

Top-Line Results from theDry Eye Disease Chamber Crossover Trial of Reproxalap July 12, 2022 NASDAQ: ALDX ©Aldeyra Therapeutics, Inc. 2022 2 This presentation and various remarks which may be made during this presentation contain forward-looking stat

Exhibit 99.1 Top-Line Results from theDry Eye Disease Chamber Crossover Trial of Reproxalap July 12, 2022 NASDAQ: ALDX ?Aldeyra Therapeutics, Inc. 2022 2 This presentation and various remarks which may be made during this presentation contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and Section 21E of the Securities Exchange Act of 1934,

July 12, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 12, 2022 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissio

July 12, 2022 EX-99.2

Aldeyra Therapeutics Achieves Primary Endpoints in Dry Eye Disease Chamber Crossover Clinical Trial

Exhibit 99.2 Aldeyra Therapeutics Achieves Primary Endpoints in Dry Eye Disease Chamber Crossover Clinical Trial Reproxalap Statistically Superior to Vehicle for Both Primary Endpoints of Ocular Redness (P=0.0004) and Schirmer Test (P=0.0005) Schirmer Test ?10mm Responder Analysis Multiplicity-Controlled Secondary Endpoint Achieved (P=0.0361) Secondary Endpoints Achieved for All Symptoms Assessed:

June 8, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 8, 2022 (June 7, 2022) ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporati

June 8, 2022 EX-99.1

As a Secondary Endpoint, Schirmer Test Achieved in TRANQUILITY and Clinical Relevance Confirmed with Post-Hoc Responder Analysis Schirmer Test ≥10 mm Schirmer Test Responder Analysis Reproxalap (n=153) Vehicle (n=153) ≥10 mm increase in tear producti

Exhibit 99.1 Aldeyra Top-Line Results from the Phase 3 TRANQUILITY-2 Trial in Dry Eye Disease June 8, 2022 NASDAQ: ALDX ©Aldeyra Therapeutics, Inc. 2022 Aldeyra This presentation and various remarks which may be made during this presentation contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and Section 21E of the Securities Exchange Act o

June 8, 2022 EX-99.2

Aldeyra Therapeutics Achieves Primary Endpoint in Phase 3 TRANQUILITY‑2 Trial in Dry Eye Disease and Intends to Submit New Drug Application for Symptoms and Three Sign Endpoints of Dry Eye Disease

Exhibit 99.2 Aldeyra Therapeutics Achieves Primary Endpoint in Phase 3 TRANQUILITY‑2 Trial in Dry Eye Disease and Intends to Submit New Drug Application for Symptoms and Three Sign Endpoints of Dry Eye Disease Reproxalap Statistically Superior to Vehicle for Both Prespecified Primary Endpoints of Schirmer Test (p=0.0001) and ≥10 mm Schirmer Test Responder Proportions (p<0.0001) TRANQUILITY-2 Resul

May 24, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 24, 2022 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commission

May 24, 2022 EX-99.1

Aldeyra Therapeutics Designates Schirmer Test as Sole Primary Endpoint in Phase 3 TRANQUILITY-2 Trial of Reproxalap in Dry Eye Disease

Exhibit 99.1 Aldeyra Therapeutics Designates Schirmer Test as Sole Primary Endpoint in Phase 3 TRANQUILITY-2 Trial of Reproxalap in Dry Eye Disease Selection Follows Post-Hoc Analysis Demonstrating Statistical Significance of Reproxalap Over Vehicle in Ocular Redness in Completed TRANQUILITY Trial LEXINGTON, Mass.-(BUSINESS WIRE)-May 24, 2022-Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra) tod

May 18, 2022 EX-99.1

Aldeyra Therapeutics Announces that Post-Hoc Analysis Using Computer Automated Grading of Phase 3 TRANQUILITY Trial Digital Photography Demonstrated Statistical Significance in Favor of Reproxalap Over Vehicle for Primary Endpoint of Ocular Redness

Exhibit 99.1 Aldeyra Therapeutics Announces that Post-Hoc Analysis Using Computer Automated Grading of Phase 3 TRANQUILITY Trial Digital Photography Demonstrated Statistical Significance in Favor of Reproxalap Over Vehicle for Primary Endpoint of Ocular Redness Post-Hoc Analysis Using Computer Automated Grading Indicated that Reproxalap is Statistically Superior to Vehicle (p=0.020) in Reducing Dr

May 18, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 18, 2022 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commission

May 5, 2022 EX-99.1

Aldeyra Therapeutics Reports First-Quarter 2022 Financial Results and Recent Corporate Highlights

Exhibit 99.1 Aldeyra Therapeutics Reports First-Quarter 2022 Financial Results and Recent Corporate Highlights Results from Phase 3 TRANQUILITY-2 Trial of Reproxalap in Dry Eye Disease Expected in Second Quarter of 2022 Results from Part 1 of Phase 3 GUARD Trial of ADX-2191 in Proliferative Vitreoretinopathy and Phase 2 Clinical Trial of ADX-2191 in Retinitis Pigmentosa Expected in the Second Half

May 5, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 5, 2022 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commission

May 5, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-36332 ALDEYRA

April 28, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 28, 2022 (April 25, 2022) ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorpo

April 28, 2022 EX-99.1

Aldeyra Therapeutics Announces Chief Financial Officer Transition

Exhibit 99.1 Aldeyra Therapeutics Announces Chief Financial Officer Transition LEXINGTON, Mass.-(BUSINESS WIRE)-April 28, 2022-Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra) today announced that Chief Financial Officer (CFO) and Treasurer Joshua Reed tendered his resignation to pursue other career opportunities. Mr. Reed will continue to serve as CFO and Treasurer until May 10, 2022 (the Resi

April 25, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A 1 d429845ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Prox

April 25, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.)

DEF 14A 1 d429845ddef14a.htm DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.) Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use

March 29, 2022 EX-99.1

Welcome and Opening Remarks Todd C. Brady, M.D., Ph.D., Chief Executive Officer March 29, 2022 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2022

EX-99.1 ADX-629: A First-in-Class, Oral RASP Modulator for the Treatment of Systemic Disease 2022 Research & Development Day March 29, 2022 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2022 Exhibit 99.1 Welcome and Opening Remarks Todd C. Brady, M.D., Ph.D., Chief Executive Officer March 29, 2022 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2022 Disclaimers and Forward-Looking Statements This presentati

March 29, 2022 EX-99.2

Aldeyra Therapeutics to Announce Top-Line Data for Systemic RASP Modulator ADX-629 at 2022 Research & Development Day

Exhibit 99.2 News Release Aldeyra Therapeutics to Announce Top-Line Data for Systemic RASP Modulator ADX-629 at 2022 Research & Development Day ? Signs of Pharmacodynamic and Clinical Activity Generated Across Three Phase 2 Proof-of-Concept Clinical Trials in Patients with Immune-Mediated Disease; No Safety or Tolerability Issues Observed ? ADX-629 to Be Advanced to New Development Indications: Et

March 29, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 29, 2022 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissi

March 17, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 17, 2022 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissi

March 17, 2022 EX-99.1

Aldeyra Therapeutics Reports Full-Year 2021 Financial Results and Recent Corporate Highlights

Exhibit 99.1 Aldeyra Therapeutics Reports Full-Year 2021 Financial Results and Recent Corporate Highlights Top-Line Data from Proof-of-Concept Clinical Trials of ADX-629 in Multiple Systemic Indications Expected by the End of March 2022 Results from Phase 3 TRANQUILITY-2 Trial of Reproxalap in Dry Eye Disease Expected Mid-2022 Results from Part 1 of Phase 3 GUARD Trial of ADX-2191 in Proliferative

March 17, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For transition period from to Commission File Number 001-36332 ALDEYRA THERAPEUTIC

March 17, 2022 EX-10.1911

Offer Letter Amendment No. 2, effective as of March 23, 2021, between the Registrant and Stephen Machatha, Ph.D. (filed as Exhibit 10.19(b) to the Registrant’s Annual Report on Form 10-K (as filed on March 17, 2022, and incorporated herein by reference))

AMENDMENT NO. 2 TO THE OFFER LETTER Exhibit 10.19 (b) This Amendment No. 2 to the Offer Letter (the ?Offer Letter?) is entered into by and between Aldeyra Therapeutics, Inc. (the ?Company?) and Stephen G. Machatha, Ph.D. effective as of March 23, 2021. WHEREAS, you and the Company previously entered into that Offer Letter, dated October 15, 2015, which governs the terms of your employment by the C

March 17, 2022 S-8

As filed with the Securities and Exchange Commission on March 17, 2022

S-8 1 d335510ds8.htm S-8 As filed with the Securities and Exchange Commission on March 17, 2022 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ALDEYRA THERAPEUTICS, INC. (Exact name of registrant as specified in its charter) Delaware 20-1968197 (State or other jurisdiction of incorporati

March 17, 2022 EX-FILING FEES

Filing Fee Table.

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) Aldeyra Therapeutics, Inc.

March 17, 2022 EX-10.191

Offer Letter Amendment No. 1, effective as of January 1, 2018, between the Registrant and Stephen Machatha, Ph.D. (filed as Exhibit 10.19(a) to the Registrant’s Annual Report on Form 10-K (as filed on March 17, 2022, and incorporated herein by reference))

AMENDMENT NO. 1 TO THE OFFER LETTER Exhibit 10.19 (a) This Amendment No. 1 to the Offer Letter (the ?Offer Letter?) is entered into by and between Aldeyra Therapeutics, Inc. (the ?Company?) and Stephen G. Machatha, Ph.D. effective as of January 1, 2018. WHEREAS, you and the Company previously entered into that Offer Letter, dated October 15, 2015, which governs the terms of your employment by the

March 17, 2022 EX-10.19

Offer Letter, effective as of October 21, 2015, between the Registrant and Stephen Machatha, Ph.D.(filed as Exhibit 10.19 to the Registrant’s Annual Report on Form 10-K (as filed on March 17, 2022, and incorporated herein by reference))

Exhibit 10.19 Aldeyra Therapeutics, Inc. 131 Hartwell Avenue, Suite 320 Lexington, MA 02421 October 21, 2015 Stephen G. Machatha, Ph.D. Dear Stephen, Aldeyra Therapeutics, Inc. (the ?Company?) is pleased to offer you employment on the following terms: 1. Position. Your initial title will be Vice President of Chemistry, Manufacturing and Controls (CMC) and you will initially report to the Company?s

February 14, 2022 EX-99.1

AGREEMENT

EXHIBIT 1 AGREEMENT The persons below hereby agree that the Schedule 13G to which this agreement is attached as an exhibit, as well as all future amendments to such Schedule 13G, shall be filed on behalf of each of them.

February 14, 2022 SC 13G/A

ALDX / Aldeyra Therapeutics Inc / PERCEPTIVE ADVISORS LLC - SC 13G/A Passive Investment

SC 13G/A 1 d320195dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 7)* Aldeyra Therapeutics, Inc. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 01438T 10 6 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Stateme

January 4, 2022 SC 13G/A

ALDX / Aldeyra Therapeutics Inc / Domain Partners VI, L.P. - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b),(c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No. 2)1 Aldeyra Therapeutics, Inc. (Name of Issuer) Common Stock, $0.001 par value (Title of Class of Securities) 01438T106 (CUSIP Number) December 31, 2021 Date

December 21, 2021 EX-99.1

Disclaimers and Forward-Looking Statements This presentation and various remarks which may be made during this presentation contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and Section 21E

Exhibit 99.1 December 20, 2021 Top-Line Results from the Phase 3 TRANQUILITY Trial in Dry Eye Disease Disclaimers and Forward-Looking Statements This presentation and various remarks which may be made during this presentation contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and Section 21E of the Securities Exchange Act of 1934, as amend

December 21, 2021 EX-99.2

Aldeyra Therapeutics Announces Top-Line Results from the Phase 3 TRANQUILITY Trial in Dry Eye Disease

Exhibit 99.2 Aldeyra Therapeutics Announces Top-Line Results from the Phase 3 TRANQUILITY Trial in Dry Eye Disease ? TRANQUILITY Primary Endpoint of Ocular Redness Not Met, but Statistical Significance Achieved for Secondary Endpoint of Schirmer Test (p=0.0001), an Approvable Sign of Dry Eye Disease ? Primary Endpoint of TRANQUILITY-2 Trial Modified to be Met if Either Ocular Redness or Schirmer T

December 21, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 21, 2021 (December 20, 2021) ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of i

November 9, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 9, 2021 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commis

November 9, 2021 EX-99.1

Aldeyra Therapeutics Announces Completion of Enrollment in Phase 3 TRANQUILITY Trial in Patients with Dry Eye Disease and Reiterates New Drug Application (NDA) Submission Guidance

Exhibit 99.1 Aldeyra Therapeutics Announces Completion of Enrollment in Phase 3 TRANQUILITY Trial in Patients with Dry Eye Disease and Reiterates New Drug Application (NDA) Submission Guidance Top-Line Results from TRANQUILITY Expected This Quarter Together with Recently Completed Phase 2 Clinical Trial, Positive Ocular Redness Results from TRANQUILITY Could Satisfy NDA Submission Requirements as

November 2, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 2, 2021 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commis

November 2, 2021 EX-99.1

Aldeyra Therapeutics Announces Achievement of Primary Endpoint of Ocular Redness in Randomized, Double- Masked, Vehicle-Controlled Phase 2 Clinical Trial in Dry Eye Disease

EX-99.1 2 d240887dex991.htm EX-99.1 Exhibit 99.1 Aldeyra Therapeutics Announces Achievement of Primary Endpoint of Ocular Redness in Randomized, Double- Masked, Vehicle-Controlled Phase 2 Clinical Trial in Dry Eye Disease LEXINGTON, Mass., November 2, 2021 – Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra) today announced achievement of the primary endpoint of ocular redness in a randomized, do

October 28, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-36332 ALDE

October 28, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 28, 2021 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commis

October 28, 2021 EX-99.1

Aldeyra Therapeutics Reports Third-Quarter 2021 Financial Results and Recent Corporate Highlights

EX-99.1 2 a52517114ex991.htm EXHIBIT 99.1 Exhibit 99.1 Aldeyra Therapeutics Reports Third-Quarter 2021 Financial Results and Recent Corporate Highlights Company Expects to Report Top-Line Results from Phase 3 TRANQUILITY and TRANQUILITY-2 Clinical Trials of Reproxalap in Dry Eye Disease in the Fourth Quarter of 2021 Phase 2 Clinical Trial of ADX-2191 in Retinitis Pigmentosa On Track to Initiate in

October 28, 2021 EX-10.1

Third Amendment to Lease between WLC Three VI, L.L.C. and the Registrant, dated as of August 12, 2021 (filed as Exhibit 10.1 to the Registrant's Quarterly Report on Form 10-Q for the quarter ended September 30, 2021 (as filed on October 26, 2021 and incorporated herein by reference))

Exhibit 10.1 THIRD AMENDMENT TO LEASE This Third Amendment to Lease (?Third Amendment?) is dated as of August 12, 2021 by and between 131 Hartwell LLC, a Massachusetts limited liability company (?Landlord?), successor-in-interest to WLC Three VI, L.L.C., a Delaware limited liability company (?Original Landlord?) and Aldeyra Therapeutics, Inc. (?Tenant?), a Delaware corporation. WHEREAS, Original L

August 5, 2021 EX-10.2

Aldeyra Therapeutics, Inc. Amended and Restated Change in Control Plan (filed as Exhibit 10.2 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2021 (as filed on August 5, 2021, and incorporated herein by reference))

Exhibit 10.2 Aldeyra Therapeutics, Inc. Amended and Restated Change in Control Plan ARTICLE 1. INTRODUCTION. The Aldeyra Therapeutics, Inc. Amended and Restated Change in Control Plan, as amended and restated from time to time (the ?Plan?) is established effective March 28, 2017 (the ?Effective Date?). The purpose of the Plan is to provide for the accelerated vesting for outstanding (i) unvested e

August 5, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-36332 ALDEYRA T

August 5, 2021 EX-99.1

Aldeyra Therapeutics Reports Second-Quarter 2021 Financial Results and Recent Corporate Highlights

EX-99.1 2 d170530dex991.htm EX-99.1 Exhibit 99.1 Aldeyra Therapeutics Reports Second-Quarter 2021 Financial Results and Recent Corporate Highlights • Top-Line Results from Phase 3 TRANQUILITY and TRANQUILITY-2 Clinical Trials of Reproxalap in Dry Eye Disease Expected in Fourth Quarter of 2021 • U.S. FDA Grants Orphan Drug Designation to ADX-2191 for the Treatment of Primary Vitreoretinal Lymphoma

August 5, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 5, 2021 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissi

June 9, 2021 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 9, 2021 (June 8, 2021) ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-36332 20-1968

May 6, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 6, 2021 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commission

May 6, 2021 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-36332 ALDEYRA

May 6, 2021 EX-99.1

Aldeyra Therapeutics Reports First-Quarter 2021 Financial Results and Recent Business Highlights

EX-99.1 2 d940139dex991.htm EX-99.1 Exhibit 99.1 Aldeyra Therapeutics Reports First-Quarter 2021 Financial Results and Recent Business Highlights • Recently Announced Phase 3 INVIGORATE Clinical Trial Results Indicated Statistically Significant Activity of Reproxalap in Ocular Itching and Redness Associated with Allergic Conjunctivitis • Top-Line Results from Phase 3 TRANQUILITY and TRANQUILITY-2

April 29, 2021 EX-99.1

Aldeyra Therapeutics, Inc. Announces Proposed $125 Million Public Offering of Common Stock

Exhibit 99.1 Aldeyra Therapeutics, Inc. Announces Proposed $125 Million Public Offering of Common Stock LEXINGTON, Mass., April 27, 2021 ? Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra), a clinical-stage biotechnology company focused on the development of novel therapies with the potential to improve the lives of patients with immune-mediated diseases, today announced that it intends to offer

April 29, 2021 424B5

10,000,000 Shares Common Stock

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-254175 PROSPECTUS SUPPLEMENT (To Prospectus dated April 15, 2021) 10,000,000 Shares Common Stock We are offering 10,000,000 shares of our common stock. Our common stock is listed on The Nasdaq Capital Market under the symbol “ALDX.” On April 28, 2021, the last reported sales price of our common stock on The Nasdaq Capita

April 29, 2021 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 29, 2021 (April 27, 2021) ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-36332 20-

April 29, 2021 EX-99.2

Aldeyra Therapeutics, Inc. Announces Pricing of $125 Million Public Offering of Common Stock

EX-99.2 5 d163605dex992.htm EX-99.2 Exhibit 99.2 Aldeyra Therapeutics, Inc. Announces Pricing of $125 Million Public Offering of Common Stock LEXINGTON, Mass., April 28, 2021 – Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra), a clinical-stage biotechnology company focused on the development of novel therapies with the potential to improve the lives of patients with immune-mediated diseases, to

April 29, 2021 EX-1.1

Underwriting Agreement among Aldeyra Therapeutics, Inc., Jefferies LLC and SVB Leerink LLC, as representatives of the several underwriters, dated April 28, 2021

Exhibit 1.1 10,000,000 Shares ALDEYRA THERAPEUTICS, INC. Common Stock UNDERWRITING AGREEMENT April 28, 2021 JEFFERIES LLC SVB LEERINK LLC As the representatives of the several Underwriters (the ?Representatives?) c/o Jefferies LLC 520 Madison Avenue New York, New York 10022 c/o SVB Leerink LLC One Federal Street, 37th Floor Boston, Massachusetts 02110 Ladies and Gentlemen: 1. INTRODUCTORY. Aldeyra

April 27, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 27, 2021 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissi

April 27, 2021 EX-99.2

Aldeyra Therapeutics Achieves Statistical Significance for Primary Endpoint and All Secondary Endpoints in Phase 3 INVIGORATE Clinical Trial of Reproxalap in Allergic Conjunctivitis

Exhibit 99.2 News Release Aldeyra Therapeutics Achieves Statistical Significance for Primary Endpoint and All Secondary Endpoints in Phase 3 INVIGORATE Clinical Trial of Reproxalap in Allergic Conjunctivitis ? Statistical Significance Achieved for Primary Endpoint of Ocular Itching at All Prespecified Timepoints (p<0.0001) ? Statistical Significance Achieved for Key Secondary Endpoint of Ocular Re

April 27, 2021 424B5

$125,000,000 Common Stock

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-254175 The information contained in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed. A registration statement relating to the securities has been declared effective by the Securities and Exchange Commission. This preliminary prospectus supplement and accompanying

April 27, 2021 EX-99.1

Disclaimers and Forward-Looking Statements This presentation and various remarks which may be made during this presentation contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and Section 21E

Exhibit 99.1 April 27, 2021 DATA RELEASE Top-Line Results from the Phase 3 INVIGORATE Trial in Allergic Conjunctivitis Nasdaq: ALDX ? Aldeyra Therapeutics, Inc. 2021Exhibit 99.1 April 27, 2021 DATA RELEASE Top-Line Results from the Phase 3 INVIGORATE Trial in Allergic Conjunctivitis Nasdaq: ALDX ? Aldeyra Therapeutics, Inc. 2021 Disclaimers and Forward-Looking Statements This presentation and vari

April 21, 2021 EX-10.1

First Amendment to Loan and Security Agreement, dated April 20, 2021, by and among the Registrant, Helio Vision, LLC, the several banks and other financial institutions or entities from time to time parties thereto and Hercules Capital, Inc. (filed as Exhibit 10.1 to the Registrant’s Current Report on Form 8-K as filed on April 21, 2021, and incorporated herein by reference).

Exhibit 10.1 FIRST AMENDMENT TO LOAN AND SECURITY AGREEMENT THIS FIRST AMENDMENT TO LOAN AND SECURITY AGREEMENT (this ?Amendment?), dated as of April 20, 2021, is entered into by and among ALDEYRA THERAPEUTICS INC., a Delaware corporation (?Aldeyra?), Helio Vision, LLC, a Delaware limited liability company, and each of Aldeyra?s Qualified Subsidiaries (hereinafter collectively referred to as the ?

April 21, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 20, 2021 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissi

April 14, 2021 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

April 14, 2021 DEF 14A

Definitive Proxy Statement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.) Filed by the Registrant ? Filed by a party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(

April 13, 2021 CORRESP

Aldeyra Therapeutics, Inc. 131 Hartwell Avenue Suite 320 Lexington, MA 02421

Aldeyra Therapeutics, Inc. 131 Hartwell Avenue Suite 320 Lexington, MA 02421 April 13, 2021 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F. Street N.E. Washington, D.C. 20549 Attn: Ada D. Sarmento Re: Aldeyra Therapeutics, Inc. Registration Statement on Form S-3 (File No. 333-254175) Dear Ms. Sarmento: Pursuant to Rules 460 and 461 under the Securities Act of 19

March 11, 2021 S-8

- S-8

As filed with the Securities and Exchange Commission on March 11, 2021 Registration No.

March 11, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 11, 2021 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commissi

March 11, 2021 EX-99.1

Aldeyra Therapeutics Reports Full-Year 2020 Financial Results and Recent Business Highlights – Enrollment Completed in Phase 3 INVIGORATE Trial, with Top-Line Results Expected in the First Half of 2021 – Top-Line Results from Phase 3 TRANQUILITY and

Exhibit 99.1 Aldeyra Therapeutics Reports Full-Year 2020 Financial Results and Recent Business Highlights ? Enrollment Completed in Phase 3 INVIGORATE Trial, with Top-Line Results Expected in the First Half of 2021 ? Top-Line Results from Phase 3 TRANQUILITY and TRANQUILITY-2 Trials Expected in the Second Half of 2021 ? Projected Cash Runway Through 2023, Including Potential New Drug Application S

March 11, 2021 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For transition period from to Commission File Number 001-36332 ALDEYRA THERAPEUTIC

March 11, 2021 EX-1.2

Open Market Sale AgreementSM, dated March 11, 2021, by and between the Registrant and Jefferies LLC.

Exhibit 1.2 Execution Version OPEN MARKET SALE AGREEMENTSM March 11, 2021 JEFFERIES LLC 520 Madison Avenue New York, New York 10022 Ladies and Gentlemen: Aldeyra Therapeutics, Inc., a Delaware corporation (the ?Company?), proposes, subject to the terms and conditions stated herein, to issue and sell from time to time through Jefferies LLC, as sales agent and/or principal (the ?Agent?), shares of t

March 11, 2021 S-3

- S-3

Table of Contents As filed with the Securities and Exchange Commission on March 11, 2021 Registration No.

February 16, 2021 EX-99.1

AGREEMENT

EX-99.1 EXHIBIT 1 AGREEMENT The persons below hereby agree that the Schedule 13G to which this agreement is attached as an exhibit, as well as all future amendments to such Schedule 13G, shall be filed on behalf of each of them. This agreement is intended to satisfy the requirements of Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934. Date: February 16, 2021 PERCEPTIVE ADVISORS LLC

February 16, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 6)* Aldeyra Therapeutics, Inc. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class o

SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 6)* Aldeyra Therapeutics, Inc. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 01438T 10 6 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

February 16, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (RULE 13d - 102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2(b) (Amendment No. 3)* Aldeyra Ther

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (RULE 13d - 102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2(b) (Amendment No. 3)* Aldeyra Therapeutics, Inc. (Name of Issuer) Common Stock, par value $0.001 per share (Title of Class of Securities) 01438T106 (CUSIP Number) December 31, 2020 (Da

February 12, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Aldeyra Therapeutics, Inc. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of

SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Aldeyra Therapeutics, Inc. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 01438T106 (CUSIP Number) December 31, 2020 (Date of Event which Requires Filing of this Statement) Check the appropriate box to d

January 25, 2021 8-K

- 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 21, 2021 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-36332 20-1968197 (Commis

January 14, 2021 424B5

6,842,106 Shares Common Stock

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-226266 PROSPECTUS SUPPLEMENT (To Prospectus dated July 27, 2018) 6,842,106 Shares Common Stock We are offering 6,842,106 shares of our common stock. Our common stock is listed on The Nasdaq Capital Market under the symbol “ALDX.” On January 13, 2021, the last reported sales price of our common stock on The Nasdaq Capital

January 14, 2021 EX-1.1

Underwriting Agreement among Aldeyra Therapeutics, Inc., Jefferies LLC and SVB Leerink LLC, as representatives of the several underwriters, dated January 13, 2021

EX-1.1 Exhibit 1.1 6,842,106 Shares ALDEYRA THERAPEUTICS, INC. Common Stock UNDERWRITING AGREEMENT January 13, 2021 JEFFERIES LLC SVB LEERINK LLC As the representatives of the several Underwriters (the “Representatives”) c/o Jefferies LLC 520 Madison Avenue New York, New York 10022 c/o SVB Leerink LLC One Federal Street, 37th Floor Boston, Massachusetts 02110 Ladies and Gentlemen: 1. INTRODUCTORY.

January 14, 2021 8-K

- 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 14, 2021 (January 12, 2021) ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-36332

January 14, 2021 EX-99.1

Aldeyra Therapeutics, Inc. Announces Proposed Public Offering of Common Stock

EX-99.1 4 d112316dex991.htm EX-99.1 Exhibit 99.1 Aldeyra Therapeutics, Inc. Announces Proposed Public Offering of Common Stock LEXINGTON, Mass., January 13, 2021 – Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra), a clinical-stage biotechnology company focused on the development of novel therapies with the potential to improve the lives of patients with immune-mediated diseases, today announced

January 14, 2021 EX-99.2

Aldeyra Therapeutics, Inc. Announces Pricing of Public Offering of Common Stock

EX-99.2 5 d112316dex992.htm EX-99.2 Exhibit 99.2 Aldeyra Therapeutics, Inc. Announces Pricing of Public Offering of Common Stock LEXINGTON, Mass., January 13, 2021 – Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra), a clinical-stage biotechnology company focused on the development of novel therapies with the potential to improve the lives of patients with immune-mediated diseases, today announc

January 13, 2021 424B5

Shares Common Stock

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-226266 The information contained in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed. A registration statement relating to the securities has been declared effective by the Securities and Exchange Commission. This preliminary prospectus supplement and accompanying

January 7, 2021 EX-99.1

Disclaimers and Forward-Looking Statements This presentation and various remarks which may be made during this presentation contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and Section 21E

EX-99.1 Initial Symptom and Sign Results From Run-In Cohort of Phase 3 TRANQUILITY Trial in Dry Eye Disease DATA RELEASE January 7, 2021 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2021 Exhibit 99.1 Disclaimers and Forward-Looking Statements This presentation and various remarks which may be made during this presentation contain forward-looking statements within the meaning of the Private Securities

January 7, 2021 EX-99.2

Aldeyra Therapeutics Announces Positive Top-Line Symptom and Sign Results from Run-In Cohort of Phase 3 TRANQUILITY Trial in Dry Eye Disease

EX-99.2 Exhibit 99.2 Aldeyra Therapeutics Announces Positive Top-Line Symptom and Sign Results from Run-In Cohort of Phase 3 TRANQUILITY Trial in Dry Eye Disease • Statistical Significance of Reproxalap Over Vehicle Achieved for Ocular Redness, an FDA-Approvable Sign, and Clinical Symptoms of Ocular Dryness and Discomfort • Acute Improvement in Ocular Redness and Symptom Scores Demonstrated Within

January 7, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 7, 2021 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commiss

November 5, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-36332 ALDE

November 5, 2020 EX-99.1

Aldeyra Therapeutics Announces Third-Quarter 2020 Financial Results and Provides Corporate Update

EX-99.1 Exhibit 99.1 Aldeyra Therapeutics Announces Third-Quarter 2020 Financial Results and Provides Corporate Update • Initiation of Phase 3 Objective Sign Trial in Dry Eye Disease Planned for the Fourth Quarter 2020 • Phase 2 Clinical Trials of ADX-629 in COVID-19, Atopic Asthma, and Psoriasis Expected to Initiate in the Fourth Quarter of 2020 • Top-line Results from the Phase 3 INVIGORATE Clin

November 5, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 5, 2020 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commis

November 5, 2020 EX-10.33

Second Amendment to Lease between WLC Three VI, L.L.C. and the Registrant, dated as of October 7, 2020 (filed as Exhibit 10.33 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2020 (as filed on November 5, 2020 and incorporated herein by reference))

Exhibit 10.33 SECOND AMENDMENT TO LEASE This Second Amendment to Lease (“Second Amendment”) is dated as of October 7, 2020 by and between 131 Hartwell LLC, a Massachusetts limited liability company (“Landlord”), successor-in-interest to WLC Three VI, L.L.C., a Delaware limited liability company (“Original Landlord”) and Aldeyra Therapeutics, Inc. (“Tenant”), a Delaware corporation. WHEREAS, Origin

August 6, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 6, 2020 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Comm

August 6, 2020 EX-99.1

Aldeyra Therapeutics Announces Second-Quarter 2020 Financial Results and Provides Corporate Update

EX-99.1 Exhibit 99.1 Aldeyra Therapeutics Announces Second-Quarter 2020 Financial Results and Provides Corporate Update • Based on FDA Agreement that RASP is an Objective Sign of Dry Eye Disease, Assessment of Tear RASP Levels in Dry Eye Disease Patients Expected to Begin in the Fourth Quarter of 2020 • New Drug Application (NDA) Submission for Reproxalap in Dry Eye Disease Expected by the End of

August 6, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-36332 ALDEYRA T

July 14, 2020 EX-99.1

Aldeyra Therapeutics Announces Stock Sales to Perceptive Advisors and Avidity Partners Gross Proceeds of Approximately $19.5 Million from At-the-Market Offering Program Sufficient to Extend Operations Through the End of 2022, Including Potential New

EX-99.1 Exhibit 99.1 Aldeyra Therapeutics Announces Stock Sales to Perceptive Advisors and Avidity Partners Gross Proceeds of Approximately $19.5 Million from At-the-Market Offering Program Sufficient to Extend Operations Through the End of 2022, Including Potential New Drug Application (NDA) Approvals for Reproxalap in Dry Eye Disease and Allergic Conjunctivitis, Based on Current Operating Plans

July 14, 2020 8-K

Financial Statements and Exhibits, Other Events

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 14, 2020 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commi

July 13, 2020 EX-99.1

AGREEMENT

Exhibit 1 EXHIBIT 1 AGREEMENT The persons below hereby agree that the Schedule 13G to which this agreement is attached as an exhibit, as well as all future amendments to such Schedule 13G, shall be filed on behalf of each of them.

July 13, 2020 SC 13G/A

ALDX / Aldeyra Therapeutics,Inc. / PERCEPTIVE ADVISORS LLC - SC 13G/A Passive Investment

SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 5)* Aldeyra Therapeutics, Inc. (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 01438T 10 6 (CUSIP Number) July 9, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to de

July 7, 2020 EX-99.1

Aldeyra Therapeutics Announces New Drug Application (NDA) Development Plans for Dry Eye Disease

EX-99.1 Exhibit 99.1 Aldeyra Therapeutics Announces New Drug Application (NDA) Development Plans for Dry Eye Disease • Top-Line Results from First of Two Planned Clinical Trials Based on Tear RASP Levels Expected by the End of 2020 • New Drug Application Submission for Reproxalap in Dry Eye Disease Expected by the End of 2021 • Based on Current Operating Plans, Current Cash Expected to Support Ope

July 7, 2020 8-K

Financial Statements and Exhibits, Other Events

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 7, 2020 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commis

June 12, 2020 8-K

Submission of Matters to a Vote of Security Holders

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 12, 2020 (June 9, 2020) ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 001-36332 20

June 4, 2020 8-K

Financial Statements and Exhibits, Other Events

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 4, 2020 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commis

June 4, 2020 EX-99.1

Aldeyra Therapeutics Reaches Agreement with the US Food and Drug Administration for the Use of RASP as an Objective Sign for the Treatment of Dry Eye Disease

EX-99.1 Exhibit 99.1 Aldeyra Therapeutics Reaches Agreement with the US Food and Drug Administration for the Use of RASP as an Objective Sign for the Treatment of Dry Eye Disease LEXINGTON, Mass., June 4, 2020 – Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra), a clinical-stage biotechnology company focused on the development of novel therapies with the potential to improve the lives of patient

May 20, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 20, 2020 ALDEYRA THERAPEUTICS, INC. (Exact name of Registrant as specified in its charter) Delaware 001-36332 20-1968197 (State or other jurisdiction of incorporation) (Commis

May 20, 2020 EX-99.1

Disclaimers and Forward-Looking Statements This presentation and various remarks which may be made during this presentation contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and Section 21E

EX-99.1 COVID-19 Development Update May 20, 2020 Nasdaq: ALDX © Aldeyra Therapeutics, Inc. 2020 Systems-Based Approaches for Immunological Disease Exhibit 99.1 Disclaimers and Forward-Looking Statements This presentation and various remarks which may be made during this presentation contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and Se

May 20, 2020 EX-99.2

Aldeyra Therapeutics to Advance ADX-1612, an Investigational New HSP90 Inhibitor with Potential Nanomolar Potency Against SARS-CoV-2, to Clinical Testing for COVID-19; ADX-629 Accepted for BARDA CoronaWatch Meeting

EX-99.2 Exhibit 99.2 Aldeyra Therapeutics to Advance ADX-1612, an Investigational New HSP90 Inhibitor with Potential Nanomolar Potency Against SARS-CoV-2, to Clinical Testing for COVID-19; ADX-629 Accepted for BARDA CoronaWatch Meeting • ADX-1612 Demonstrates Nanomolar SARS-CoV-2 Antiviral Potency In Vitro • Pending FDA Feedback, IND Submission for ADX-1612 Expected in Third Quarter 2020 • IND Sub

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