SBTX / Silverback Therapeutics Inc - Документы SEC, Годовой отчет, Доверенное заявление

Сильвербэк Терапевтикс Инк
US ˙ NASDAQ
ЭТОТ СИМВОЛ БОЛЬШЕ НЕ АКТИВЕН

Основная статистика
CIK 1671858
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 Silverback Therapeutics Inc
SEC Filings (Chronological Order)
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August 28, 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 August 13, 2025 Date of Report (Date of earliest event reported) ARS Pharmaceutical

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 August 13, 2025 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commissio

August 13, 2025 EX-99.2

Forward-looking statements Statements in this presentation that are not purely historical in nature are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements in this presen

August 2025 neffy – the transformative needle-free solution for severe allergic reactions Exhibit 99.

August 13, 2025 EX-10.1

Co-Promotion Agreement, dated May 2, 2025, by and between ARS Pharmaceuticals, Inc. and ALK-Abelló Inc.

Exhibit 10.1 CERTAIN INFORMATION CONTAINED IN THIS EXHIBIT, MARKED BY [***], HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE THE REGISTRANT HAS DETERMINED THE INFORMATION IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. CO-PROMOTION AGREEMENT This Co-Promotion Agreement (this “Agreement”) is entered into as of May 2, 2025 (the “Effective Date”), by and betwee

August 13, 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 August 13, 2025 Date of Report (Date of earliest event reported) ARS Pharmaceutical

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 August 13, 2025 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commissio

August 13, 2025 EX-10.3

Third Amendment, dated July 10, 2025, to Manufacturing Agreement, dated as September 9, 2020, and as amended July 26, 2023 and September 17, 2024, by and between ARS Pharmaceuticals, Inc. and Renaissance Lakewood, LLC.

Exhibit 10.3 THIRD AMENDMENT TO MANUFACTURING AGREEMENT This Third Amendment to Manufacturing Agreement (this “Amendment”), effective as of July 10, 2025 (the “Third Amendment Effective Date”), is made by and between ARS Pharmaceuticals Operations, Inc. formerly known as ARS Pharmaceuticals, Inc., a corporation organized under the laws of the State of California with an office at 11682 El Camino R

August 13, 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 001-39756 ARS Pharmac

August 13, 2025 EX-99.1

ARS Pharmaceuticals Reports Second Quarter 2025 Financial Results and Highlights Accelerating Growth for neffy® (epinephrine nasal spray) $15.7 million in revenue, including $12.8 million in neffy U.S. net product revenue in second quarter of 2025 Gr

Exhibit 99.1 ARS Pharmaceuticals Reports Second Quarter 2025 Financial Results and Highlights Accelerating Growth for neffy® (epinephrine nasal spray) $15.7 million in revenue, including $12.8 million in neffy U.S. net product revenue in second quarter of 2025 Growth for neffy in the U.S. driven by increased payor access with additional near-term growth anticipated from national direct-to-consumer

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 June 25, 2025 Date of Report (Date of earliest event reported) ARS Pharmaceuticals,

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 June 25, 2025 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commission

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 001-39756 ARS Pharma

May 14, 2025 EX-99.1

ARS Pharmaceuticals Reports First Quarter 2025 Financial Results and Highlights Progress in U.S. Commercial Launch of neffy® (epinephrine nasal spray) $7.8 million in total neffy U.S. net product revenue in first quarter of 2025 neffy 1 mg available

ARS Pharmaceuticals Reports First Quarter 2025 Financial Results and Highlights Progress in U.

May 14, 2025 EX-10.1

Amended and Restated Non-Employee Director Compensation Policy

Exhibit 10.1 ARS Pharmaceuticals, Inc. Non-Employee Director Compensation Policy Amended Effective: April 1, 2025 Each member of the Board of Directors (the “Board”) who is not also serving as an employee of ARS Pharmaceuticals, Inc. (the “Company”) or any of its subsidiaries (each such member, an “Eligible Director”) will receive the compensation described in this Non-Employee Director Compensati

May 14, 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 May 14, 2025 Date of Report (Date of earliest event reported) ARS Pharmaceuticals,

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 May 14, 2025 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commission F

May 2, 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 May 2, 2025 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, I

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 May 2, 2025 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commission Fi

April 29, 2025 DEF 14A

PROXY STATEMENT FOR THE 2025 ANNUAL MEETING OF STOCKHOLDERS To be held on June 25, 2025 QUESTIONS AND ANSWERS ABOUT THESE PROXY MATERIALS AND VOTING PROPOSAL 1 ELECTION OF DIRECTORS PROPOSAL 2 RATIFICATION OF SELECTION OF INDEPENDENT REGISTERED PUBLI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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)(2)) ☒ Defin

April 29, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 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)(2)) ☐ Defin

March 20, 2025 EX-10.30

Letter Agreement, dated December 6, 2024, by and between ARS Pharmaceuticals, Inc. and Renaissance Lakewood, LLC (amends the Manufacturing Agreement, dated as of September 9, 2020, as amended July 25, 2023 and as further amended September 17, 2024, by and between ARS Pharmaceuticals, Inc. and Renaissance Lakewood, LLC).

Exhibit 10.30 CERTAIN INFORMATION CONTAINED IN THIS EXHIBIT, MARKED BY [***], HAS BEEN EXCLUDED BECAUSE THE REGISTRANT HAS DETERMINED THE INFORMATION IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. Renaissance December 6, 2024 CONFIDENTIAL By E-Mail Attn: Brian Dorsey ARS Pharmaceuticals Operations, Inc. 11682 El Camino Real, Suite 120 San Diego, CA 9213

March 20, 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 March 20, 2025 Date of Report (Date of earliest event reported) ARS Pharmaceuticals

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 March 20, 2025 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commission

March 20, 2025 S-8

As filed with the Securities and Exchange Commission on March 20, 2025

As filed with the Securities and Exchange Commission on March 20, 2025 Registration No.

March 20, 2025 EX-10.27

Collaboration, License and Distribution Agreement, dated November 9, 2024, by and between ARS Pharmaceuticals, Inc. and ALK-Abelló A/S.

Exhibit 10.27 Confidential EXECUTION VERSION CERTAIN INFORMATION CONTAINED IN THIS EXHIBIT, MARKED BY [***], HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE THE REGISTRANT HAS DETERMINED THE INFORMATION IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. COLLABORATION, LICENSE AND DISTRIBUTION AGREEMENT This Collaboration, License And Distribution Agreement (the

March 20, 2025 EX-99.1

ARS Pharmaceuticals Reports Fourth Quarter and Full Year 2024 Financial Results and Provides Business Updates $7.3 million in total neffy® (epinephrine nasal spray) U.S. net product revenue in 2024 since launch in late September 2024 neffy 1 mg appro

Exhibit 99.1 ARS Pharmaceuticals Reports Fourth Quarter and Full Year 2024 Financial Results and Provides Business Updates $7.3 million in total neffy® (epinephrine nasal spray) U.S. net product revenue in 2024 since launch in late September 2024 neffy 1 mg approved by U.S. FDA for children aged four and older and weighing 15 kilograms to < 30 kilograms (33 lbs. to < 66 lbs.), expanding the reach

March 20, 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 the transition period from to Commission File Number 001-39756 ARS Pharmaceuti

March 20, 2025 EX-FILING FEES

Filing Fee Table.

Exhibit 107 CALCULATION OF FILING FEE TABLE Form S-8 ARS Pharmaceuticals, Inc. Table 1 – Newly Registered Securities Security Type  Security Class Title Fee Calculation Rule Amount Registered (1) Proposed Maximum Offering Price Per Share Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee  Equity  Common Stock, par value $0.0001  per share to be issued pursuant to the  ARS Pharmac

March 20, 2025 EX-19.1

Insider Trading Policy.

Exhibit 19.1 Ars Pharmaceuticals, Inc. Insider Trading Policy Persons Covered This Insider Trading Policy of ARS Pharmaceuticals, Inc. (the “Company”) applies to all directors, officers, other employees and consultants of the Company and any subsidiaries. It also applies to their family members who reside with them, anyone else who lives in their households and any family members who do not live i

March 20, 2025 EX-10.29

Supply Agreement, dated as of October 8, 2024, by and between ARS Pharmaceuticals, Inc. and Nuova Ompi S.r.l.

Exhibit 10.29 CERTAIN INFORMATION CONTAINED IN THIS EXHIBIT, MARKED BY [***], HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE THE REGISTRANT HAS DETERMINED THE INFORMATION IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. ARS Supply Agreement 1.1 This ARS Supply Agreement (“Agreement”), effective as of the Effective Date (as defined below), is by and between A

March 20, 2025 EX-10.28

Supply Agreement, dated November 9, 2024, by and between ARS Pharmaceuticals, Inc. and ALK-Abelló A/S.

Exhibit 10.28 Confidential EXECUTION VERSION CERTAIN INFORMATION CONTAINED IN THIS EXHIBIT, MARKED BY [***], HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE THE REGISTRANT HAS DETERMINED THE INFORMATION IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. COMMERCIAL SUPPLY AGREEMENT This Commercial Supply Agreement (“Agreement”) is entered into as of November 9,

March 5, 2025 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 March 5, 2025 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commission

January 31, 2025 S-3ASR

As filed with the Securities and Exchange Commission on January 31, 2025

Table of Contents As filed with the Securities and Exchange Commission on January 31, 2025 Registration No.

January 31, 2025 EX-4.7

Form of Debt Securities Warrant Agreement and Warrant Certificate.

Exhibit 4.7 ARS PHARMACEUTICALS, INC. AND , AS WARRANT AGENT FORM OF DEBT SECURITIES WARRANT AGREEMENT DATED AS OF EXHIBIT 4.7 ARS PHARMACEUTICALS, INC. FORM OF DEBT SECURITIES WARRANT AGREEMENT THIS DEBT SECURITIES WARRANT AGREEMENT (this “Agreement”), dated as of [•], between ARS PHARMACEUTICALS, INC., a Delaware corporation (the “Company”), and [•], a [corporation] [national banking association

January 31, 2025 EX-4.5

Form of Preferred Stock Warrant Agreement and Warrant Certificate.

Exhibit 4.5 ARS PHARMACEUTICALS, INC. AND , AS WARRANT AGENT FORM OF PREFERRED STOCK WARRANT AGREEMENT DATED AS OF EXHIBIT 4.5 ARS PHARMACEUTICALS, INC. FORM OF PREFERRED STOCK WARRANT AGREEMENT THIS PREFERRED STOCK WARRANT AGREEMENT (this “Agreement”), dated as of [•], between ARS PHARMACEUTICALS, INC., a Delaware corporation (the “Company”), and [•], a [corporation] [national banking association

January 31, 2025 EX-4.4

Form of Common Stock Warrant Agreement and Warrant Certificate.

Exhibit 4.4 ARS PHARMACEUTICALS, INC. AND , AS WARRANT AGENT FORM OF COMMON STOCK WARRANT AGREEMENT DATED AS OF EXHIBIT 4.4 ARS PHARMACEUTICALS, INC. FORM OF COMMON STOCK WARRANT AGREEMENT THIS COMMON STOCK WARRANT AGREEMENT (this “Agreement”), dated as of [•], between ARS PHARMACEUTICALS, INC., a Delaware corporation (the “Company”), and [•], a [corporation] [national banking association] organiz

January 31, 2025 EX-FILING FEES

Filing Fee Table.

Exhibit 107 Calculation of Filing Fee Table Form S-3 (Form Type) ARS Pharmaceuticals, Inc.

January 31, 2025 EX-1.2

Controlled Equity OfferingSM Sales Agreement, by and between ARS Pharmaceuticals, Inc. and Cantor Fitzgerald & Co., dated January 31, 2025.

Exhibit 1.2 ARS Pharmaceuticals, Inc. Shares of Common Stock (par value $0.0001 per share) Controlled Equity OfferingSM Sales Agreement January 31, 2025 Cantor Fitzgerald & Co. 499 Park Avenue New York, NY 10022 Ladies and Gentlemen: ARS Pharmaceuticals, Inc., a Delaware corporation (the “Company”), confirms its agreement (this “Agreement”) with Cantor Fitzgerald & Co. (the “Agent”), as follows: 1

January 31, 2025 EX-4.8

Form of Indenture, between registrant and one or more trustees to be named.

Exhibit 4.8 ARS Pharmaceuticals, Inc., Issuer AND [TRUSTEE], Trustee INDENTURE Dated as of [•], 20 Debt Securities TABLE OF CONTENTS PAGE ARTICLE 1 DEFINITIONS 1 Section 1.01 Definitions of Terms 1 ARTICLE 2 ISSUE, DESCRIPTION, TERMS, EXECUTION, REGISTRATION AND EXCHANGE OF SECURITIES 5 Section 2.01 Designation and Terms of Securities 5 Section 2.02 Form of Securities and Trustee’s Certificate 8 S

January 13, 2025 EX-99.1

ARS Pharmaceuticals Announces Preliminary Fourth Quarter 2024 Financial Results and 2025 Objectives for neffy® (epinephrine nasal spray) Preliminary fourth quarter neffy® net product revenue of approximately $6.5 million Preliminary cash, cash equiva

Exhibit 99.1 ARS Pharmaceuticals Announces Preliminary Fourth Quarter 2024 Financial Results and 2025 Objectives for neffy® (epinephrine nasal spray) Preliminary fourth quarter neffy® net product revenue of approximately $6.5 million Preliminary cash, cash equivalents and short-term investments of $314.0 million at year-end 2024 to support an operating runway of at least three years Company to pre

January 13, 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 January 13, 2025 Date of Report (Date of earliest event reported) ARS Pharmaceutica

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 January 13, 2025 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commissi

January 13, 2025 EX-99.2

Forward-looking statements Statements in this presentation that are not purely historical in nature are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements in this presen

43rd Annual J.P. Morgan Healthcare Conference January 2025 neffy – the transformative needle-free solution for severe allergic reactions NASDAQ: SPRY Exhibit 99.2 Forward-looking statements Statements in this presentation that are not purely historical in nature are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements i

December 6, 2024 10-Q/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A Amendment No. 1 ☒ 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 ☐ TRANS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A Amendment No. 1 ☒ 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

November 18, 2024 CORRESP

ARS Pharmaceuticals, Inc., 11682 El Camino Real, Suite 120, San Diego, CA 92130

November 18, 2024 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Life Sciences 100 F Street, N.E. Washington, D.C. 20549 Attn: Bonnie Baynes Mary Mast Re: ARS Pharmaceuticals, Inc. Form 10-K for the Fiscal Year Ended December 31, 2023 File No. 001-39756 Dear Bonnie Baynes and Mary Mast: We are writing in response to the comment received from the staff (

November 13, 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 001-39756 ARS Ph

November 13, 2024 EX-10.1

Second Amendment, dated September 17, 2024, to Manufacturing Agreement, dated as September 9, 2020 and first amended July 26, 2023, by and between ARS Pharmaceuticals, Inc. and Renaissance Lakewood, LLC. (incorporated by reference to Exhibit 10.1 to the registrant’s Quarterly Report on Form 10-Q filed with the SEC on November 13, 2024).

Exhibit 10.1 CERTAIN INFORMATION CONTAINED IN THIS EXHIBIT, MARKED BY [***], HAS BEEN EXCLUDED BECAUSE THE REGISTRANT HAS DETERMINED THE INFORMATION IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. SECOND AMENDMENT TO MANUFACTURING AGREEMENT This Second Amendment to Manufacturing Agreement (this “Amendment”), effective as of September 17, 2024 (the “Secon

November 13, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 November 13, 2024 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commiss

November 13, 2024 EX-99.1

ARS Pharmaceuticals Reports Third Quarter 2024 Financial Results and Provides Business Updates Commercial launch of neffy® (epinephrine nasal spray) underway in the United States Supplemental NDA for neffy® 1mg dose granted priority review by FDA; PD

Exhibit 99.1 ARS Pharmaceuticals Reports Third Quarter 2024 Financial Results and Provides Business Updates Commercial launch of neffy® (epinephrine nasal spray) underway in the United States Supplemental NDA for neffy® 1mg dose granted priority review by FDA; PDUFA target date set for March 6, 2025 Exclusive license agreement with ALK-Abelló to commercialize neffy® in Europe, Canada and certain o

November 12, 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 November 9, 2024 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commissi

October 15, 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 October 8, 2024 Date of Report (Date of earliest event reported) ARS Pharmaceutical

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 October 8, 2024 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commissio

September 23, 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 September 17, 2024 Date of Report (Date of earliest event reported) ARS Pharmaceuti

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 September 17, 2024 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commis

August 12, 2024 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 August 9, 2024 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commission

August 12, 2024 EX-99.1

Forward-looking statements Statements in this presentation that are not purely historical in nature are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements in this presen

Exhibit 99.1 ARS Update neffy® Approval August 12, 2024 Forward-looking statements Statements in this presentation that are not purely historical in nature are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements in this presentation include, without limitation, statements regarding: the design and potential benefits of

August 6, 2024 EX-99.1

ARS Pharmaceuticals Provides Business Highlights and Reports Second Quarter 2024 Financial Results neffy® (epinephrine nasal spray) New Drug Application (NDA) under review by FDA; discussions are ongoing to finalize labeling with FDA; PDUFA date in e

Exhibit 99.1 ARS Pharmaceuticals Provides Business Highlights and Reports Second Quarter 2024 Financial Results neffy® (epinephrine nasal spray) New Drug Application (NDA) under review by FDA; discussions are ongoing to finalize labeling with FDA; PDUFA date in early October 2024 EURneffy® (adrenaline nasal spray) recommended for approval by EMA’s CHMP; formal marketing authorization anticipated i

August 6, 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 001-39756 ARS Pharmac

August 6, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 August 6, 2024 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commission

August 6, 2024 EX-10.1

Amended and Restated Non-Employee Director Compensation Policy.

Exhibit 10.1 ARS Pharmaceuticals, Inc. Non-Employee Director Compensation Policy Amended Effective: June 28, 2024 Each member of the Board of Directors (the “Board”) who is not also serving as an employee of ARS Pharmaceuticals, Inc. (the “Company”) or any of its subsidiaries (each such member, an “Eligible Director”) will receive the compensation described in this Non-Employee Director Compensati

June 28, 2024 EX-99.1

Forward-looking statements Statements in this presentation that are not purely historical in nature are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements in this presen

ARS Corporate Presentation June 28, 2024 Exhibit 99.1 Forward-looking statements Statements in this presentation that are not purely historical in nature are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements in this presentation include, without limitation, statements regarding: the anticipated timing for regulatory

June 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 June 28, 2024 Date of Report (Date of earliest event reported) ARS Pharmaceuticals,

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 June 28, 2024 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commission

June 28, 2024 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 June 27, 2024 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commission

June 28, 2024 EX-99.1

Forward-looking statements Statements in this presentation that are not purely historical in nature are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements in this presen

ARS Corporate Presentation June 28, 2024 Exhibit 99.1 Forward-looking statements Statements in this presentation that are not purely historical in nature are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements in this presentation include, without limitation, statements regarding: the anticipated timing for regulatory

June 21, 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 June 20, 2024 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commission

June 17, 2024 SC 13D/A

SPRY / ARS Pharmaceuticals, Inc. / Pratik Shah Living Trust dated June 15, 2011 - SC 13D/A Activist Investment

SC 13D/A 1 d854552dsc13da.htm SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 2)* ARS Pharmaceuticals, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 82835W 108 (CUSIP Number) Kathleen Scott ARS Pharmaceuticals, Inc. 11682 El Camino Real, Suite 120 San Diego, CA 92130 (858) 771-9

June 11, 2024 SC 13D/A

SPRY / ARS Pharmaceuticals, Inc. / Pratik Shah Living Trust dated June 15, 2011 - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

May 10, 2024 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 May 10, 2024 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commission F

May 10, 2024 EX-99.1

Forward Looking Statements Statements in this presentation that are not purely historical in nature are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements in this presen

ARS Corporate Presentation Q2 2024 Exhibit 99.1 Forward Looking Statements Statements in this presentation that are not purely historical in nature are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements in this presentation include, without limitation, statements regarding: the anticipated timing for regulatory review

May 9, 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 001-39756 ARS Pharma

May 9, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 May 9, 2024 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commission Fi

May 9, 2024 EX-99.1

ARS Pharmaceuticals Highlights neffy Regulatory Progress and Reports First Quarter 2024 Financial Results neffy® (epinephrine nasal spray) New Drug Application (NDA) and CRL response under review by FDA with anticipated review completion by early Oct

Exhibit 99.1 ARS Pharmaceuticals Highlights neffy Regulatory Progress and Reports First Quarter 2024 Financial Results neffy® (epinephrine nasal spray) New Drug Application (NDA) and CRL response under review by FDA with anticipated review completion by early October 2024 Response submitted for neffy Marketing Authorization Application (MAA) to EMA’s CHMP; CHMP opinion expected in the second quart

April 26, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 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)(2)) ☒ Defin

April 26, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 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)(2)) ☐ Defin

March 29, 2024 SC 13D/A

SPRY / ARS Pharmaceuticals, Inc. / RA CAPITAL MANAGEMENT, L.P. - SC 13D/A Activist Investment

SC 13D/A 1 tm2410240d1sc13da.htm SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A Under the Securities Exchange Act of 1934 (Amendment No. 2)* ARS Pharmaceuticals, Inc. (Name of Issuer) Common stock, $0.0001 par value per share (Title of Class of Securities) 82835W 10 8 (CUSIP Number) RA Capital Management, L.P. 200 Berkeley Street, 18th Floor Boston,

March 21, 2024 S-8

As filed with the Securities and Exchange Commission on March 21, 2024

S-8 As filed with the Securities and Exchange Commission on March 21, 2024 Registration No.

March 21, 2024 EX-21.1

Subsidiaries of the registrant.

Exhibit 21.1 ARS PHARMACEUTICALS, INC. Name of Subsidiary Jurisdiction ARS Pharmaceuticals Operations, Inc. Delaware ARS Pharmaceuticals IRL, Limited Ireland

March 21, 2024 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, 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 001-39756 ARS Pharmaceuti

March 21, 2024 EX-FILING FEES

Filing Fee Table.

EX-FILING FEES Exhibit 107 CALCULATION OF FILING FEE TABLE Form S-8 ARS Pharmaceuticals, Inc.

March 21, 2024 EX-97.1

Incentive Compensation Recoupment Policy.

Exhibit 97.1 ARS PHARMACEUTICALS, INC. Incentive Compensation Recoupment Policy 1. Introduction The Compensation Committee (the “Compensation Committee”) of the Board of Directors (the “Board”) of ARS Pharmaceuticals, Inc., a Delaware corporation (the “Company”), has determined that it is in the best interests of the Company and its stockholders to adopt this Incentive Compensation Recoupment Poli

March 21, 2024 EX-99.1

ARS Pharmaceuticals Provides Business Update and Reports Fourth Quarter and Full Year 2023 Financial Results

Exhibit 99.1 ARS Pharmaceuticals Provides Business Update and Reports Fourth Quarter and Full Year 2023 Financial Results Preparing to submit response to the FDA’s CRL for neffy®(epinephrine nasal spray) in Type 1 allergic reactions in early Q2 2024, following successful completion of neffy repeat dose nasal allergen challenge study and nitrosamine assessments, with expected up to six-month review

March 21, 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 March 21, 2024 Date of Report (Date of earliest event reported) ARS Pharmaceuticals

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 March 21, 2024 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commission

March 21, 2024 EX-10.9

Non-Employee Director Compensation Policy, as amended.

Exhibit 10.9 ARS Pharmaceuticals, Inc. Non-Employee Director Compensation Policy Amended Effective: December 6, 2022 Each member of the Board of Directors (the “Board”) who is not also serving as an employee of ARS Pharmaceuticals, Inc. (the “Company”) or any of its subsidiaries (each such member, an “Eligible Director”) will receive the compensation described in this Non-Employee Director Compens

March 7, 2024 EX-99.1

Forward Looking Statements Statements in this presentation that are not purely historical in nature are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements in this presen

Exhibit 99.1 neffy Investor Day March 7, 2024 Forward Looking Statements Statements in this presentation that are not purely historical in nature are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements in this presentation include, without limitation, statements regarding: ARS Pharma’s plan to file its NDA early in the

March 7, 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 March 7, 2024 Date of Report (Date of earliest event reported) ARS Pharmaceuticals,

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 March 7, 2024 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commission

November 9, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 November 9, 2023 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commissi

November 9, 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 001-39756 ARS Ph

November 9, 2023 EX-99.1

ARS Pharmaceuticals Reports Third Quarter 2023 Financial Results and Provides Business Updates Company is on track with ongoing repeat-dose study under allergen-induced allergic rhinitis conditions requested by U.S. FDA with topline data expected in

Exhibit 99.1 ARS Pharmaceuticals Reports Third Quarter 2023 Financial Results and Provides Business Updates Company is on track with ongoing repeat-dose study under allergen-induced allergic rhinitis conditions requested by U.S. FDA with topline data expected in Q1 2024 Resubmission of New Drug Application (NDA) for neffy anticipated in H1 2024 Ended third quarter with $241.9 million in cash, cash

September 25, 2023 EX-99.1

Forward looking statements This presentation contains forward-looking statements which include, but are not limited to, statements regarding: ARS’s ability to complete the newly required trial and provide the additional information requested by the F

ARS Corporate Presentation Q4 2023 Exhibit 99.1 Forward looking statements This presentation contains forward-looking statements which include, but are not limited to, statements regarding: ARS’s ability to complete the newly required trial and provide the additional information requested by the FDA in the CRL on the timing anticipated, or at all; the potential approval of neffy and the expected t

September 25, 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 September 25, 2023 Date of Report (Date of earliest event reported) ARS Pharmaceuti

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 September 25, 2023 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commis

September 25, 2023 SC 13D/A

SBTX / Silverback Therapeutics Inc / RA CAPITAL MANAGEMENT, L.P. - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* ARS PHARMACEUTICALS, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 82835W 10 8 (CUSIP Number) RA Capital Management, L.P. 200 Berkeley Street, 18th Floor Boston, MA 02116 Telephone: 617.778.2500 Attn: Pe

September 20, 2023 8-K

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 September 19, 2023 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commis

September 1, 2023 SC 13D/A

SBTX / Silverback Therapeutics Inc / Bell Robert G. - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

August 31, 2023 SC 13D

SBTX / Silverback Therapeutics Inc / RA CAPITAL MANAGEMENT, L.P. - SC 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. ) ARS PHARMACEUTICALS, INC. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 82835W 10 8 (CUSIP Number) RA Capital Management, L.P. 200 Berkeley Street, 18th Floor Boston, MA 02116 Telephone: 617.778.2500 Attn: Peter

August 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 August 10, 2023 Date of Report (Date of earliest event reported) ARS Pharmaceutical

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 August 10, 2023 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commissio

August 10, 2023 EX-99.1

ARS Reports Second Quarter 2023 Financial Results and Provides Business Updates ARS continues engagement with U.S. FDA on final labeling and post-marketing commitments for the neffy® new drug application; PDUFA target action date set for September 19

Exhibit 99.1 ARS Reports Second Quarter 2023 Financial Results and Provides Business Updates ARS continues engagement with U.S. FDA on final labeling and post-marketing commitments for the neffy® new drug application; PDUFA target action date set for September 19, 2023 Ended second quarter with $252.2 million in cash, cash equivalents and short-term investments; well-capitalized to support anticip

August 10, 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 001-39756 ARS Pharmac

August 10, 2023 EX-10.1

First Amendment, dated July 26, 2023, to Manufacturing Agreement, dated as September 9, 2020, by and between ARS Pharmaceuticals, Inc. and Renaissance Lakewood, LLC. (incorporated by reference to Exhibit 10.1 to the registrant’s Quarterly Report on Form 10-Q filed with the SEC on August 10, 2023)

CERTAIN INFORMATION CONTAINED IN THIS EXHIBIT, MARKED BY [***], HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE THE REGISTRANT HAS DETERMINED THAT IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL.

June 28, 2023 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 June 27, 2023 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commission

May 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 May 16, 2023 Date of Report (Date of earliest event reported) ARS Pharmaceuticals,

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 May 16, 2023 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commission F

May 16, 2023 EX-99.1

Forward-looking statements This presentation contains forward-looking statements which include, but are not limited to, statements regarding the design and potential benefits of neffy; the anticipated Prescription Drug User Fee Act (PDUFA) date for n

EX-99.1 THE FIRST NO-NEEDLE, NO-INJECTION SOLUTION for Type I Allergic Reactions Q2 2023 Exhibit 99.1 Forward-looking statements This presentation contains forward-looking statements which include, but are not limited to, statements regarding the design and potential benefits of neffy; the anticipated Prescription Drug User Fee Act (PDUFA) date for neffy; the timing of regulatory approval for and

May 15, 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 001-39756 ARS Pharma

May 15, 2023 EX-99.1

ARS Pharmaceuticals Highlights Progress and Reports First Quarter 2023 Financial Results FDA Advisory Committee Votes in Support of Favorable Benefit-Risk Profile for neffy® for the Treatment of Allergic Reactions (Type I), Including Anaphylaxis New

Exhibit 99.1 ARS Pharmaceuticals Highlights Progress and Reports First Quarter 2023 Financial Results FDA Advisory Committee Votes in Support of Favorable Benefit-Risk Profile for neffy® for the Treatment of Allergic Reactions (Type I), Including Anaphylaxis New Drug and Marketing Authorization Applications for neffy Under Review with FDA and EMA, Respectively; FDA PDUFA Target Action Date Anticip

May 15, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 May 15, 2023 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commission F

May 9, 2023 EX-99.1

FDA Briefing Document NDA/BLA# 214697 Drug name: ARS-1 (intranasal epinephrine) Applicant: ARS Pharmaceuticals Pulmonary-Allergy Drug Advisory Committee Meeting

EX-99.1 Exhibit 99.1 FDA Briefing Document NDA/BLA# 214697 Drug name: ARS-1 (intranasal epinephrine) Applicant: ARS Pharmaceuticals Pulmonary-Allergy Drug Advisory Committee Meeting FDA has posted an Addendum to Briefing Document on its website that was circulated to members of the AdCom May 11, 2023 Division of Pulmonology, Allergy, and Critical Care Office of Immunology and Inflammation Office o

May 9, 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 May 9, 2023 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, I

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 May 9, 2023 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commission Fi

May 1, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 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)(2)) ☒ Defin

May 1, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 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)(2))

May 1, 2023 CORRESP

ARS Pharmaceuticals, Inc. 11682 El Camino Real, Suite 120 San Diego, California 92130

CORRESP ARS Pharmaceuticals, Inc. 11682 El Camino Real, Suite 120 San Diego, California 92130 May 1, 2023 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Life Sciences 100 F Street, N.E. Washington, D.C. 20549 Attn: Mr. Joshua Gorsky Re: ARS Pharmaceuticals, Inc. Registration Statement on Form S-3 File No. 333-271359 Acceleration Request Requested Date:

April 20, 2023 EX-FILING FEES

Filing Fee Table

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

April 20, 2023 S-3

As filed with the Securities and Exchange Commission on April 20, 2023

S-3 Table of Contents As filed with the Securities and Exchange Commission on April 20, 2023 Registration No.

March 23, 2023 EX-10

Termination Agreement, dated as of February 22, 2023, by and between ARS Pharmaceuticals, Inc. and Recordati Ireland, Ltd (incorporated by reference to Exhibit 10.10 to the registrant’s Annual Report on Form 10-K, filed with the SEC on March 23, 2023).

Exhibit 10.10 CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY [***], HAS BEEN OMITTED BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE AND CONFIDENTIAL. TERMINATION AGREEMENT THIS TERMINATION AGREEMENT (the “Agreement”) is entered into as of February 22, 2023 (the “Termination Agreement Effective Date”), by and between ARS PHARMA

March 23, 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 March 23, 2023 Date of Report (Date of earliest event reported) ARS Pharmaceuticals

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 March 23, 2023 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commission

March 23, 2023 EX-10

Executive Employment Agreement, by and between ARS Pharmaceuticals, Inc. and Alex Fitzpatrick, effective as of December 1, 2022 (incorporated by reference to Exhibit 10.21 to the registrant’s Annual Report on Form 10-K, filed with the SEC on March 23, 2023).

Exhibit 10.21 ARS PHARMACEUTICALS, INC. EXECUTIVE EMPLOYMENT AGREEMENT for ALEXANDER A. FITZPATRICK This Executive Employment Agreement (this “Agreement”) is made and entered into effective as of December 1, 2022 (the “Effective Date”), by and between Alexander A. Fitzpatrick (“Executive”) and ARS Pharmaceuticals, Inc. (the “Company”). 1. Employment by the Company. 1.1 Position. Executive’s employ

March 23, 2023 EX-99

ARS Pharmaceuticals Highlights Progress and Reports Fourth Quarter and Full Year 2022 Financial Results New Drug Application and Marketing Authorization Application for neffy® Currently Under Review with the FDA and EMA; FDA PDUFA Target Action Date

ARS Pharmaceuticals Highlights Progress and Reports Fourth Quarter and Full Year 2022 Financial Results New Drug Application and Marketing Authorization Application for neffy® Currently Under Review with the FDA and EMA; FDA PDUFA Target Action Date Anticipated in Mid-2023 Strong Financial Position with $274.

March 23, 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 the transition period from to Commission File Number 001-39756 ARS Pharmaceuti

March 23, 2023 EX-10

ARS Pharmaceuticals Inc. Change in Control and Severance Benefit Plan (incorporated by reference to Exhibit 10.8 to the registrant’s Annual Report on Form 10-K, filed with the SEC on March 23, 2023).

Exhibit 10.8 ARS Pharmaceuticals, Inc. Change in Control and Severance Benefit Plan Approved by the Board of Directors: November 6, 2020 Section 1. Introduction. The ARS Pharmaceuticals, Inc. Change in Control and Severance Benefit Plan (the “Plan”) was established effective upon the IPO Date. The purpose of the Plan is to provide for the payment of severance and/or change in control benefits to e

March 23, 2023 EX-3

Amended and Restated Certificate of Incorporation, as amended (incorporated by reference to Exhibit 3.1 to the registrant’s Annual Report on Form 10-K, filed with the SEC on March 23, 2023).

Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF SILVERBACK THERAPEUTICS, INC. Laura Shawver, Ph.D., hereby certifies that: ONE: She is the duly elected Chief Executive Officer of Silverback Therapeutics, Inc., a Delaware corporation. TWO: The date of filing the original Certificate of Incorporation of the Company with the Secretary of State of the State of Delaware was January 4,

March 23, 2023 EX-4

Description of Registrant’s Common Stock (incorporated by reference to Exhibit 4.3 to the registrant’s Annual Report on Form 10-K, filed with the SEC on March 23, 2023).

Exhibit 4.3 DESCRIPTION OF COMMON STOCK The following summary description of the common stock of ARS Pharmaceuticals, Inc. (“we,” “our” or “us”) is based on the provisions of our amended and restated certificate of incorporation, as amended (our “amended and restated certificate of incorporation”), as well as our amended and restated bylaws, and the applicable provisions of the Delaware General Co

March 13, 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 March 13, 2023 Date of Report (Date of earliest event reported) ARS Pharmaceuticals

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 March 13, 2023 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commission

March 13, 2023 EX-99.1

Forward looking statements This presentation contains forward-looking statements which include, but are not limited to, statements regarding the design and potential benefits of neffy; the anticipated Prescription Drug User Fee Act (PDUFA) date for n

EX-99.1 Exhibit 99.1 THE FIRST NO-NEEDLE, NO-INJECTION SOLUTION for Type I Allergic Reactions Q1 2023 1 Forward looking statements This presentation contains forward-looking statements which include, but are not limited to, statements regarding the design and potential benefits of neffy; the anticipated Prescription Drug User Fee Act (PDUFA) date for neffy; the timing of regulatory approval for an

February 22, 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 February 22, 2023 Date of Report (Date of earliest event reported) ARS Pharmaceutic

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 February 22, 2023 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commiss

February 14, 2023 SC 13G/A

SBTX / Silverback Therapeutics Inc / NEXTECH VI ONCOLOGY SCSP - SC 13G/A Passive Investment

SC 13G/A 1 tm236482d1sc13ga.htm 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)* ARS Pharmaceuticals, Inc. (Name of Issuer) Common Stock, $0.0001 par value per share (Title of Class of Securities) 82835W 10 8 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Stateme

February 14, 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 February 14, 2023 Date of Report (Date of earliest event reported) ARS Pharmaceutic

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 February 14, 2023 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commiss

February 14, 2023 EX-99.1

Forward looking statements This presentation contains forward-looking statements which include, but are not limited to, statements regarding the design and potential benefits of neffy; the anticipated Prescription Drug User Fee Act (PDUFA) date for n

EX-99.1 THE FIRST NO-NEEDLE, NO-INJECTION SOLUTION for Type I Allergic Reactions Q1 2023 Exhibit 99.1 Forward looking statements This presentation contains forward-looking statements which include, but are not limited to, statements regarding the design and potential benefits of neffy; the anticipated Prescription Drug User Fee Act (PDUFA) date for neffy; the timing of regulatory approval for and

February 13, 2023 SC 13G/A

SBTX / Silverback Therapeutics Inc / K2 PRINCIPAL FUND, L.P. Passive Investment

SC 13G/A 1 SPRY13G20230213.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G/A (Rule 13d-102) Amendment No. 1 Under the Securities Exchange Act of 1934 ARS Pharmaceuticals Inc fka Silverback Therapeutics Inc (Name of Issuer) Common Stock, $0.0001 par value per share (Title of Class of Securities) 82835W108 (CUSIP Number) December 31, 2022 (Date of Event which

January 17, 2023 EX-FILING FEES

Filing Fee Table.

Exhibit 107 CALCULATION OF FILING FEE TABLE Form S-8 ARS Pharmaceuticals, Inc. Table 1 – Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common Stock, par value $0.0001 per share to be issued pursuant to the ARS Pharmaceutica

January 17, 2023 EX-99.3

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL STATEMENTS

EX-99.3 5 d448105dex993.htm EX-99.3 Exhibit 99.3 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL STATEMENTS On July 21, 2022, Silverback Therapeutics, Inc. (“Silverback”) entered into an agreement and plan of merger and reorganization (the “Merger Agreement”) with ARS Pharmaceuticals, Inc. (“ARS Pharma”) and Sabre Merger Sub, Inc. a Delaware corporation and wholly owned subsidiary of Silverback (

January 17, 2023 EX-99.1

ARS Pharmaceuticals, Inc. 2018 Equity Incentive Plan, as amended (incorporated by reference to Exhibit 99.1 to the registrant’s Registration Statement on Form S-8 (File No. 333-269262) filed with the SEC on January 17, 2023).

Exhibit 99.1 ARS PHARMACEUTICALS, INC. 2018 EQUITY INCENTIVE PLAN ADOPTED BY THE BOARD OF DIRECTORS: September 14, 2018 APPROVED BY THE STOCKHOLDERS: September 14, 2018 AS AMENDED BY THE BOARD OF DIRECTORS: March 31, 2019 AS AMENDED BY THE STOCKHOLDERS: March 31, 2019 AS AMENDED BY THE BOARD OF DIRECTORS: August 25, 2021 AS AMENDED BY THE STOCKHOLDERS: August 25, 2021 TERMINATION DATE: September 1

January 17, 2023 EX-99.1

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-99.1 3 d448105dex991.htm EX-99.1 Exhibit 99.1 REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Stockholders and the Board of Directors of ARS Pharmaceuticals, Inc. Opinion on the Financial Statements We have audited the accompanying consolidated balance sheets of ARS Pharmaceuticals, Inc. (the Company) as of December 31, 2021 and December 31, 2020, the related consolidated stateme

January 17, 2023 EX-99.2

Forms of Stock Option Grant Notice, Option Agreement, Notice of Exercise and Early Exercise Stock Purchase Agreement under the ARS Pharmaceuticals, Inc. 2018 Equity Incentive Plan, as amended (incorporated by reference to Exhibit 99.2 to the registrant’s Registration Statement on Form S-8 (File No. 333-269262) filed with the SEC on January 17, 2023).

EX-99.2 5 d443449dex992.htm EX-99.2 Exhibit 99.2 ARS PHARMACEUTICALS, INC. STOCK OPTION GRANT NOTICE (2018 EQUITY INCENTIVE PLAN) ARS Pharmaceuticals, Inc. (the “Company”), pursuant to its 2018 Equity Incentive Plan (as amended and/or restated as of the Date of Grant set forth below, the “Plan”), hereby grants to Optionholder an option to purchase the number of shares of the Company’s Common Stock

January 17, 2023 EX-99.2

ARS Pharmaceuticals, Inc. CONDENSED CONSOLIDATED BALANCE SHEETS (In thousands, except par value and share amounts) September 30, 2022 (unaudited) December 31, 2021 Assets Current assets: Cash and cash equivalents $ 37,322 $ 60,063 Other receivables 3

EX-99.2 4 d448105dex992.htm EX-99.2 Exhibit 99.2 ARS Pharmaceuticals, Inc. CONDENSED CONSOLIDATED BALANCE SHEETS (In thousands, except par value and share amounts) September 30, 2022 (unaudited) December 31, 2021 Assets Current assets: Cash and cash equivalents $ 37,322 $ 60,063 Other receivables 328 — Prepaid expense and other current assets 661 667 Deferred transaction costs 784 — Total current

January 17, 2023 8-K/A

Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 November 4, 2022 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commis

January 17, 2023 S-8

As filed with the Securities and Exchange Commission on January 17, 2023

S-8 1 d443449ds8.htm S-8 As filed with the Securities and Exchange Commission on January 17, 2023 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 81-1489190 (State or other jurisdiction of incorporat

December 9, 2022 EX-10.1

Executive Employment Agreement, by and between the ARS Pharmaceuticals, Inc. and Brian T. Dorsey, effective as of October 1, 2018 (incorporated by reference to Exhibit 10.1 to the registrant’s Current Report on Form 8-K, filed with the SEC on December 9, 2022).

Exhibit 10.1 ARS PHARMACEUTICALS, INC. EXECUTIVE EMPLOYMENT AGREEMENT for BRIAN T. DORSEY This Executive Employment Agreement (this ?Agreement?) is made and entered into effective as of October 1, 2018 (the ?Effective Date?), by and between Brian T. Dorsey (?Executive?) and ARS Pharmaceuticals, Inc. (the ?Company?). 1. Employment by the Company. 1.1 Position. Executive shall serve as the Company?s

December 9, 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 December 6, 2022 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commissi

December 6, 2022 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 December 6, 2022 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commissi

December 6, 2022 EX-99.1

Forward looking statements This presentation contains forward-looking statements which include, but are not limited to, statements regarding the design and potential benefits of neffy; the anticipated Prescription Drug User Fee Act (“PDUFA”) date; AR

THE FIRST NO-NEEDLE, NO-INJECTION SOLUTION for Type I Allergic Reactions December 6, 2022 Exhibit 99.

November 30, 2022 EX-99.1

JOINT FILING AGREEMENT

Exhibit 1 JOINT FILING AGREEMENT The undersigned hereby agree that the Statement on Schedule 13D, dated November 8, 2022, with respect to the common stock of ARS Pharmaceuticals, Inc.

November 30, 2022 SC 13D/A

SBTX / Silverback Therapeutics Inc / ORBIMED ADVISORS LLC - AMENDMENT NO. 1 Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1)* ARS Pharmaceuticals, Inc. (Name of Issuer) COMMON STOCK (Title of Class of Securities) 82835W108 (CUSIP Number) OrbiMed Advisors LLC OrbiMed Capital GP VI LLC OrbiMed Capital LLC 601 Lexington Avenue, 54th Floor New York, NY 10022 Telephone: (212) 739-64

November 21, 2022 EX-99.A

AGREEMENT AND PLAN OF MERGER AND SILVERBACK THERAPEUTICS, INC., a Delaware corporation; SABRE MERGER SUB, INC., a Delaware corporation; and ARS PHARMACEUTICALS, INC., a Delaware corporation Dated as of July 21, 2022

EX-99.A Exhibit A AGREEMENT AND PLAN OF MERGER AND REORGANIZATION among: SILVERBACK THERAPEUTICS, INC., a Delaware corporation; SABRE MERGER SUB, INC., a Delaware corporation; and ARS PHARMACEUTICALS, INC., a Delaware corporation Dated as of July 21, 2022 TABLE OF CONTENTS Page SECTION 1. DESCRIPTION OF TRANSACTION 2 1.1 The Merger 2 1.2 Effects of the Merger 2 1.3 Closing; Effective Time 2 1.4 Ce

November 21, 2022 SC 13D

SBTX / Silverback Therapeutics Inc / Bell Robert G. - SC 13D Activist Investment

SC 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D UNDER THE SECURITIES EXCHANGE ACT OF 1934 ARS Pharmaceuticals, Inc.

November 18, 2022 SC 13D

SBTX / Silverback Therapeutics Inc / Flynn James E Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D [Rule 13d-101] INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO ? 24.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO ? 240.13D-2(a) (Amendment No. )* ARS Pharmaceuticals, Inc. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 82835W108 (CUSIP Number) David Clark Elliot Press D

November 18, 2022 EX-99.B

Lock-Up Agreement July 21, 2022

EX-B Exhibit B Lock-Up Agreement July 21, 2022 Ladies and Gentlemen: The undersigned (the “Stockholder”) understands that: (i) SILVERBACK THERAPEUTICS, INC.

November 18, 2022 EX-99.1

Exhibit 99.1

Exhibit 99.1 The undersigned agree that this Schedule 13D, and all amendments thereto, relating to the Common Stock of ARS Pharmaceuticals, Inc. shall be filed on behalf of the undersigned. DEERFIELD MGMT III, L.P. By: J.E. Flynn Capital III, LLC, General Partner By: /s/ Jonathan Isler Name: Jonathan Isler Title: Attorney-in-Fact DEERFIELD PRIVATE DESIGN FUND III, L.P. By: Deerfield Mgmt III, L.P.

November 18, 2022 EX-99.A

AGREEMENT AND PLAN OF MERGER AND SILVERBACK THERAPEUTICS, INC., a Delaware corporation; SABRE MERGER SUB, INC., a Delaware corporation; and ARS PHARMACEUTICALS, INC., a Delaware corporation Dated as of July 21, 2022

EX-A Exhibit A AGREEMENT AND PLAN OF MERGER AND REORGANIZATION among: SILVERBACK THERAPEUTICS, INC.

November 18, 2022 EX-99.B

Lock-Up Agreement July 21, 2022

EX-B Exhibit B Lock-Up Agreement July 21, 2022 Ladies and Gentlemen: The undersigned (the “Stockholder”) understands that: (i) SILVERBACK THERAPEUTICS, INC.

November 18, 2022 EX-99.A

AGREEMENT AND PLAN OF MERGER AND SILVERBACK THERAPEUTICS, INC., a Delaware corporation; SABRE MERGER SUB, INC., a Delaware corporation; and ARS PHARMACEUTICALS, INC., a Delaware corporation Dated as of July 21, 2022

EX-A Exhibit A AGREEMENT AND PLAN OF MERGER AND REORGANIZATION among: SILVERBACK THERAPEUTICS, INC.

November 18, 2022 EX-99.A

AGREEMENT AND PLAN OF MERGER AND SILVERBACK THERAPEUTICS, INC., a Delaware corporation; SABRE MERGER SUB, INC., a Delaware corporation; and ARS PHARMACEUTICALS, INC., a Delaware corporation Dated as of July 21, 2022

EX-A Exhibit A AGREEMENT AND PLAN OF MERGER AND REORGANIZATION among: SILVERBACK THERAPEUTICS, INC.

November 18, 2022 EX-99.B

Lock-Up Agreement July 21, 2022

EX-B Exhibit B Lock-Up Agreement July 21, 2022 Ladies and Gentlemen: The undersigned (the “Stockholder”) understands that: (i) SILVERBACK THERAPEUTICS, INC.

November 18, 2022 SC 13D

SBTX / Silverback Therapeutics Inc / Lowenthal Richard E - SC 13D Activist Investment

SC 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 ARS Pharmaceuticals, Inc.

November 18, 2022 SC 13D

SBTX / Silverback Therapeutics Inc / Pratik Shah Living Trust dated June 15, 2011 - SC 13D Activist Investment

SC 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 ARS Pharmaceuticals, Inc.

November 18, 2022 SC 13D

SBTX / Silverback Therapeutics Inc / Tanimoto Sarina - SC 13D Activist Investment

SC 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 ARS Pharmaceuticals, Inc.

November 8, 2022 EX-10.11

Consulting Agreement, dated as of April 26, 2021, by and between ARS Pharmaceuticals, Inc. and Brenton L. Saunders, as amended on April 25, 2022 (incorporated by reference to Exhibit 10.11 to the registrant’s Current Report on Form 8-K, filed with the SEC on November 8, 2022).

Exhibit 10.11 CONSULTING AGREEMENT THIS CONSULTING AGREEMENT (hereinafter ?Agreement?) is made as of the 26 April 2021 (?Effective Date?), between ARS Pharmaceuticals, Inc. (?Company?) and Brent L. Saunders (?Consultant?). Company and Consultant also are each referred to herein individually as ?Party? and collectively as the ?Parties.? BACKGROUND The Company has products in development and is seek

November 8, 2022 EX-10.1

License Agreement, dated as of June 18, 2018, by and between ARS Pharmaceuticals, Inc. and Aegis Therapeutics, LLC, as amended by the First Amendment to License Agreement, dated as of July 15, 2020, and the Second Amendment to License Agreement, dated as of January 6, 2021 (incorporated by reference to Exhibit 10.1 to the registrant’s Current Report on Form 8-K, filed with the SEC on November 8, 2022).

Exhibit 10.1 CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY [***], HAS BEEN OMITTED BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE AND CONFIDENTIAL. Confidential LICENSE AGREEMENT between ARS PHARMACEUTICALS, INC. and AEGIS THERAPEUTICS, LLC Effective Date as of June 18, 2018 TABLE OF CONTENTS Page 1.??DEFINITIONS 1 2.??REPRES

November 8, 2022 EX-10.5

Manufacturing Agreement, dated as September 9, 2020, by and between ARS Pharmaceuticals, Inc. and Renaissance Lakewood, LLC (incorporated by reference to Exhibit 10.4 to the registrant’s Current Report on Form 8-K, filed with the SEC on November 8, 2022).

Exhibit 10.5 CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY [***], HAS BEEN OMITTED BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE AND CONFIDENTIAL. MANUFACTURING AGREEMENT BY AND BETWEEN RENAISSANCE LAKEWOOD, LLC AND ARS PHARMACEUTICALS, INC. I - DEFINITIONS 1 II - PRODUCT MANUFACTURE AND SUPPLY 9 2.1???MANUFACTURE AND PURCHA

November 8, 2022 EX-10.6

Executive Employment Agreement, dated as of September 14, 2018, by and between ARS Pharmaceuticals, Inc. and Richard E. Lowenthal (incorporated by reference to Exhibit 10.6 to the registrant’s Current Report on Form 8-K, filed with the SEC on November 8, 2022).

Exhibit 10.6 ARS PHARMACEUTICALS, INC. EXECUTIVE EMPLOYMENT AGREEMENT for RICHARD E. LOWENTHAL This Executive Employment Agreement (this ?Agreement?) is made and entered into effective as of September 14, 2018 (the ?Effective Date?), by and between Richard E. Lowenthal (?Executive?) and ARS Pharmaceuticals, Inc. (the ?Company?). 1. Employment by the Company. 1.1 Position. Executive shall serve as

November 8, 2022 EX-10.12

Consulting Agreement, by and between ARS Pharmaceuticals, Inc. and Marlinspike Group, LLC, dated September 14, 2018 (incorporated by reference to Exhibit 10.12 to the registrant’s Current Report on Form 8-K, filed with the SEC on November 8, 2022).

Exhibit 10.12 ARS PHARMACEUTICALS, INC. CONSULTING AGREEMENT EFFECTIVE DATE: September 13, 2018 THIS CONSULTING AGREEMENT (the ?Agreement?) is made as of the Effective Date set forth above by and between ARS Pharmaceuticals, Inc., a Delaware corporation (?Client?), and Marlinspike Group, LLC (?Consultant?). 1. Engagement of Services. Subject to the terms of this Agreement, Consultant agrees to ren

November 8, 2022 EX-3.2

Certificate of Merger.

Exhibit 3.2 CERTIFICATE OF MERGER MERGING SABRE MERGER SUB, INC., A DELAWARE CORPORATION WITH AND INTO ARS SUBSIDIARY, INC., A DELAWARE CORPORATION Pursuant to Title 8, Section 251 of the General Corporation Law of the State of Delaware ARS Subsidiary, Inc., a Delaware corporation (the ?Company?), does hereby certify as follows: FIRST: Each of the constituent corporations (the ?Constituent Corpora

November 8, 2022 EX-4.1

Warrant to purchase stock issued to Silicon Valley Bank, dated as of September 30, 2019, as amended on December 7, 2020 (incorporated by reference to Exhibit 4.1 to the registrant's Current Report on Form 8-K, filed with the SEC on November 8, 2022).

Exhibit 4.1 THIS WARRANT AND THE SHARES ISSUABLE HEREUNDER HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE ?ACT?), OR THE SECURITIES LAWS OF ANY STATE AND, EXCEPT AS SET FORTH IN SECTIONS 5.3 AND 5.4 BELOW, MAY NOT BE OFFERED, SOLD, PLEDGED OR OTHERWISE TRANSFERRED UNLESS AND UNTIL REGISTERED UNDER SAID ACT AND LAWS OR IN FORM AND SUBSTANCE SATISFACTORY TO THE COMPANY, S

November 8, 2022 EX-10.9

Executive Employment Agreement, as of February 16, 2022, by and between ARS Pharmaceuticals, Inc. and Eric Karas (incorporated by reference to Exhibit 10.9 to the registrant’s Current Report on Form 8-K, filed with the SEC on November 8, 2022).

Exhibit 10.9 ARS PHARMACEUTICALS, INC. EXECUTIVE EMPLOYMENT AGREEMENT for ERIC KARAS This Executive Employment Agreement (this ?Agreement?) is made and entered into effective as of February 16, 2022 (the ?Effective Date?), by and between Eric Karas (?Executive?) and ARS Pharmaceuticals, Inc. (the ?Company?). 1. Employment by the Company. 1.1 Position. Executive?s employment with the Company shall

November 8, 2022 EX-2.1

Agreement and Plan of Merger and Reorganization, dated as of July 21, 2022, by and among Silverback Therapeutics, Inc., Sabre Merger Sub, Inc. and ARS Pharmaceuticals, Inc., as amended by the First Amendment, dated August 11, 2022 and the Second Amendment, dated October 25, 2022 (incorporated by reference to Exhibit 2.1 to the registrant’s Current Report on Form 8-K, as amended, filed with the SEC on November 8, 2022).

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER AND REORGANIZATION among: SILVERBACK THERAPEUTICS, INC., a Delaware corporation; SABRE MERGER SUB, INC., a Delaware corporation; and ARS PHARMACEUTICALS, INC., a Delaware corporation Dated as of July 21, 2022 TABLE OF CONTENTS Page SECTION 1. DESCRIPTION OF TRANSACTION 2 1.1 The Merger 2 1.2 Effects of the Merger 2 1.3 Closing; Effective Time 2 1.4 Certific

November 8, 2022 8-K

Changes in Control of Registrant, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets, 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 November 4, 2022 Date of Report (Date of earliest event reported) ARS Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commissi

November 8, 2022 EX-10.10

Executive Employment Agreement, dated as of June 1, 2019, by and between ARS Pharmaceuticals, Inc. and Justin Chakma (incorporated by reference to Exhibit 10.10 to the registrant’s Current Report on Form 8-K, filed with the SEC on November 8, 2022).

Exhibit 10.10 ARS PHARMACEUTICALS, INC. EXECUTIVE EMPLOYMENT AGREEMENT For Justin Chakma This Executive Employment Agreement (this ?Agreement?) is made and entered into effective as of June 1st, 2019 (the ?Effective Date?), by and between Justin Chakma (?Executive?) and ARS Pharmaceuticals, Inc. (the ?Company?). 1. Employment by the Company. 1.1 Position. Executive shall serve as the Company?s Chi

November 8, 2022 EX-10.3

Collaboration and Distribution Agreement, dated as of March 1, 2021, by and between ARS Pharmaceuticals, Inc. and Pediatrix Therapeutics (incorporated by reference to Exhibit 10.3 to the registrant’s Current Report on Form 8-K, filed with the SEC on November 8, 2022).

Exhibit 10.3 CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY [***], HAS BEEN OMITTED BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE AND CONFIDENTIAL. Confidential COLLABORATION AND DISTRIBUTION AGREEMENT THIS COLLABORATION AND DISTRIBUTION AGREEMENT (the ?Agreement?) is entered into as of March 1st, 2021 (the ?Effective Date?),

November 8, 2022 EX-10.2

Collaboration and License Agreement, dated as of April 30, 2020, by and between ARS Pharmaceuticals, Inc. and Alfresa Pharma Corporation (incorporated by reference to Exhibit 10.2 to the registrant’s Current Report on Form 8-K, filed with the SEC on November 8, 2022).

Exhibit 10.2 CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY [***], HAS BEEN OMITTED BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE AND CONFIDENTIAL. COLLABORATION AND LICENSE AGREEMENT THIS COLLABORATION AND LICENSE AGREEMENT (the ?Agreement?) is entered into as of April 30, 2020 (the ?Effective Date?), by and between ARS PHAR

November 8, 2022 EX-10.13

Consulting Agreement, by and between ARS Pharmaceuticals, Inc. and Pacific-Link Regulatory Consulting, Inc., dated July 1, 2022 (incorporated by reference to Exhibit 10.13 to the registrant’s Current Report on Form 8-K, filed with the SEC on November 8, 2022).

Exhibit 10.13 MASTER SERVICES AGREEMENT THIS MASTER SERVICES AGREEMENT (hereinafter ?Agreement?) is made as of the 01 July 2022 (?Effective Date?), between ARS Pharmaceuticals, Inc. (?Company?) and Pacific-Link Regulatory Consulting, Inc. (?PLC?). Company and PLC also are each referred to herein individually as ?Party? and collectively as the ?Parties.? BACKGROUND The Company has products in devel

November 8, 2022 EX-10.4

License and Supply Agreement, dated as of September 21, 2020, by and between ARS Pharmaceuticals, Inc. and Recordati Ireland, Ltd.

Exhibit 10.4 CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY [***], HAS BEEN OMITTED BECAUSE IT IS BOTH (I) NOT ATERIAL AND (II) IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE AND CONFIDENTIAL. ARS PHARMACEUTICALS, INC. and RECORDATI IRELAND, LTD LICENSE AND SUPPLY AGREEMENT for the finished product ARS-1 TABLE OF CONTENTS SECTION I ? CERTAIN DEFINITIONS 1 1. RECITALS AND

November 8, 2022 EX-10.7

Executive Employment Agreement, dated as of February 9, 2022, by and between ARS Pharmaceuticals, Inc. and Kathleen Scott (incorporated by reference to Exhibit 10.7 to the registrant’s Current Report on Form 8-K, filed with the SEC on November 8, 2022).

Exhibit 10.7 ARS PHARMACEUTICALS, INC. EXECUTIVE EMPLOYMENT AGREEMENT for KATHY SCOTT This Executive Employment Agreement (this ?Agreement?) is made and entered into effective as of February 7, 2022 (the ?Effective Date?), by and between Kathleen Scott (?Executive?) and ARS Pharmaceuticals, Inc. (the ?Company?). 1. Employment by the Company. 1.1 Position. Executive?s employment with the Company sh

November 8, 2022 EX-10.8

Executive Employment Agreement, dated as of September 14, 2018, by and between ARS Pharmaceuticals, Inc. and Dr. Sarina Tanimoto, as amended by Amendment No. 1 to Executive Employment Agreement, dated as of September 1, 2021 (incorporated by reference to Exhibit 10.8 to the registrant’s Current Report on Form 8-K, filed with the SEC on November 8, 2022).

Exhibit 10.8 ARS PHARMACEUTICALS, INC. EXECUTIVE EMPLOYMENT AGREEMENT for DR. SARINA TANIMOTO This Executive Employment Agreement (this ?Agreement?) is made and entered into effective as of September 14, 2018 (the ?Effective Date?), by and between Dr. Sarina Tanimoto (?Executive?) and ARS Pharmaceuticals, Inc. (the ?Company?). 1. Employment by the Company. 1.1 Position. Executive shall serve as th

November 8, 2022 EX-3.1

Certificate of Amendment to Amended and Restated Certificate of Incorporation of Silverback Therapeutics, Inc.

Exhibit 3.1 CERTIFICATE OF AMENDMENT TO AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF SILVERBACK THERAPEUTICS, INC. SILVERBACK THERAPEUTICS, INC. (the ?Corporation?), a corporation organized and existing under and by virtue of the General Corporation Law of the State of Delaware (the ?DGCL?), does hereby certify: FIRST: The name of the Corporation is Silverback Therapeutics, Inc. SECOND: Th

November 8, 2022 EX-99.1

ARS Pharmaceuticals Closes Merger with Silverback Therapeutics Over $280 Million in Combined Cash and Securities and at least Three Years Operating Runway to Support Launch and Commercialization of neffy® in the U.S., if Approved neffy® NDA Currently

Exhibit 99.1 ARS Pharmaceuticals Closes Merger with Silverback Therapeutics Over $280 Million in Combined Cash and Securities and at least Three Years Operating Runway to Support Launch and Commercialization of neffy? in the U.S., if Approved neffy? NDA Currently Under FDA Review; PDUFA Anticipated Mid-2023 MAA validated in the European Union Under Review SAN DIEGO ? November 8, 2022 - ARS Pharmac

November 2, 2022 8-K

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 1, 2022 Silverback Therapeutics, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Com

November 2, 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 001-39756 Silver

November 2, 2022 EX-10.6

Consulting Services Agreement and Statement of Work No. 1, by and between the registrant and Jonathan Piazza, dated September 2, 2022.

SILVERBACK THERAPEUTICS, INC. CONSULTING SERVICES AGREEMENT This Consulting Services Agreement (?Agreement?) is made by and between Silverback Therapeutics, Inc., a Delaware corporation, and its successors or assignees (collectively, ?Company?), and Jonathan Piazza (?Consultant?), and is entered into as of September 2, 2022 (the ?Effective Date?). 1. Engagement of Services. Company and Consultant

November 2, 2022 EX-10.5

Consulting Services Agreement and Statement of Work No. 1, by and between the registrant and Valerie Odegard, dated September 2, 2022.

SILVERBACK THERAPEUTICS, INC. CONSULTING SERVICES AGREEMENT This Consulting Services Agreement (?Agreement?) is made by and between Silverback Therapeutics, Inc., a Delaware corporation, and its successors or assignees (collectively, ?Company?), and Valerie Odegard (?Consultant?), and is entered into as of September 2, 2022 (the ?Effective Date?). 1. Engagement of Services. Company and Consultant

November 2, 2022 EX-10.4

Consulting Services Agreement and Statement of Work No. 1, by and between the registrant and Laura Shawver, Ph.D., dated September 2, 2022.

SILVERBACK THERAPEUTICS, INC. CONSULTING SERVICES AGREEMENT This Consulting Services Agreement (?Agreement?) is made by and between Silverback Therapeutics, Inc., a Delaware corporation, and its successors or assignees (collectively, ?Company?), and the undersigned Laura Shawver, Ph.D. (?Consultant?), and is effective as of September 2, 2022 (the ?Effective Date?). 1. Engagement of Services. Compa

November 2, 2022 DEFA14A

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, 2022 Silverback Thera

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, 2022 Silverback Therapeutics, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Com

October 27, 2022 DEFA14A

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 25, 2022 SILVERBACK THERA

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 25, 2022 SILVERBACK THERAPEUTICS, INC. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Com

October 27, 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

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 Proxy Statement ? Confidential, for Use of

October 27, 2022 EX-10.1

Second Amendment to the Agreement and Plan of Merger and Reorganization, dated October 25, 2022, by and among Silverback Therapeutics, Inc., Sabre Merger Sub, Inc. and ARS Pharmaceuticals, Inc.

Exhibit 10.1 SECOND AMENDMENT TO THE AGREEMENT AND PLAN OF MERGER AND REORGANIZATION This Second Amendment (this ?Amendment?) to the Agreement and Plan of Merger and Reorganization, dated as of July 21, 2022, by and among Silverback Therapeutics, Inc., a Delaware corporation (?Parent?), Sabre Merger Sub, Inc. a Delaware corporation and wholly owned subsidiary of Parent (?Merger Sub?), and ARS Phar

October 27, 2022 8-K

Entry into a Material Definitive Agreement, 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): October 25, 2022 SILVERBACK THERAPEUTICS, INC. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Com

October 21, 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): October 21, 2022 SILVERBACK THERAPEUTICS, INC. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction (Commission (IRS Emplo

October 21, 2022 DEFA14A

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 21, 2022 SILVERBACK THERA

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 21, 2022 SILVERBACK THERAPEUTICS, INC. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction (Commission (IRS Emplo

October 21, 2022 EX-99.1

Silverback Therapeutics, Inc. announces the FDA’s acceptance of ARS Pharmaceuticals’ NDA for

Exhibit 99.1 Silverback Therapeutics, Inc. announces the FDA?s acceptance of ARS Pharmaceuticals? NDA for neffy? (epinephrine nasal spray) for the Treatment of Allergic Reactions (type I) including Anaphylaxis ? neffy has potential to be the first non-injectable medicine indicated to treat allergic reactions (type I) including anaphylaxis in the U.S., if approved SEATTLE ? October 21, 2022 ? Silve

October 6, 2022 DEFM14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defi

September 30, 2022 8-K

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, 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): September 27, 2022 Silverback Therapeutics, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (C

September 30, 2022 EX-10.1

Second Amendment to Lease, by and between the registrant and BMR-500 Fairview Avenue LLC, dated September 27, 2022 (incorporated by reference to Exhibit 10.1 to the registrant’s Current Report on Form 8-K, filed with the SEC on September 30, 2022).

Exhibit 10.1 SECOND AMENDMENT TO LEASE THIS SECOND AMENDMENT TO LEASE (this ?Amendment?) is entered into as of this 27th day of September, 2022, by and between BMR-500 FAIRVIEW AVENUE LLC, a Delaware limited liability company (?Landlord?), and SILVERBACK THERAPEUTICS, INC., a Delaware corporation (?Tenant?). RECITALS A. WHEREAS, Landlord and Tenant are parties to that certain Lease dated as of Jun

September 16, 2022 PRER14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1) 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

September 16, 2022 CORRESP

Cooley LLP 4401 Eastgate Mall San Diego, CA 92121-1909 t: +1 858 550 6000 f: +1 858 550-6420 cooley.com

Kenneth J. Rollins T: +1 858 550 6136 [email protected] September 16, 2022 U.S. Securities and Exchange Commission Division of Corporation Finance Office of Life Sciences 100 F Street, N.E. Washington, D.C. 20549 Attn: Christie Wong, Al Pavot, Joshua Gorsky and Laura Crotty Re: Silverback Therapeutics, Inc. Preliminary Proxy Statement on Schedule 14A Filed August 11, 2022 File No. 001-39756 Ladi

September 16, 2022 EX-FILING FEES

Calculation of Fee Tables Schedule 14A (Form Type) Silverback Therapeutics, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation Proposed Maximum Aggregate Value of Transaction Fee Rate Amount of Filing Fee Fees

Exhibit 107 Calculation of Fee Tables Schedule 14A (Form Type) Silverback Therapeutics, Inc.

September 2, 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): September 1, 2022 Silverback Therapeutics, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Co

September 2, 2022 EX-99.1

1

Exhibit 99.1 April 17, 2020 Russ Hawkinson Via email: [***] Dear Russ, This will confirm the terms under which Silverback Therapeutics, Inc., a Delaware corporation (the ?Company?) has made you an offer of employment: 1. Position and Duties. You will serve as Senior Vice President, Finance and shall perform such duties as are ordinary, customary and necessary in such role (subject to the limitatio

August 11, 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 001-39756 Silverback

August 11, 2022 EX-10.2

Amendment No. 2 to Cell Line License Agreement, by and between the registrant and WuXi Biologics (Hong Kong) Limited, dated May 4, 2022.

Exhibit 10.2 CERTAIN INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY [***], HAS BEEN OMITTED BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. AMENDMENT NO. 2 TO CELL LINE LICENSE AGREEMENT This Amendment No. 2 (this ?Amendment?) is entered into between Silverback Therapeutics, Inc. (?Licensee?) and WuXi Biologics (Hong Kong) Limited (?WuXi Bi

August 11, 2022 EX-10.3

Letter Agreement, by and between the registrant and Jeffrey Pepe, Ph.D., J.D., dated June 6, 2019.

exhibit 10.3 Silverback Therapeutics, Inc. 500 Fairview Avenue North Suite 600 Seattle, WA 98109 June 4, 2019 Jeffrey C. Pepe Via email Dear Jeff, This will confirm the terms under which Silverback Therapeutics, Inc., a Delaware corporation (the ?Company?) has made you an offer of employment: 1. Position and Duties. You will serve as Senior Vice President and General Counsel and shall perform such

August 11, 2022 EX-FILING FEES

Calculation of Fee Tables Schedule 14A (Form Type) Silverback Therapeutics, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation Proposed Maximum Aggregate Value of Transaction Fee Rate Amount of Filing Fee Fees

Exhibit 107 Calculation of Fee Tables Schedule 14A (Form Type) Silverback Therapeutics, Inc.

August 11, 2022 PREM14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defi

August 11, 2022 EX-2.1

Agreement and Plan of Merger and Reorganization, dated July 21, 2022, by and among the registrant., Sabre Merger Sub, Inc. and ARS Pharmaceuticals, as amended on August 11, 2022.

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER AND REORGANIZATION among: SILVERBACK THERAPEUTICS, INC., a Delaware corporation; SABRE MERGER SUB, INC., a Delaware corporation; and ARS PHARMACEUTICALS, INC., a Delaware corporation Dated as of July 21, 2022 TABLE OF CONTENTS Page SECTION 1. DESCRIPTION OF TRANSACTION A-2 1.1 The Merger A-2 1.2 Effects of the Merger A-2 1.3 Closing; Effective Time A-2 1.4

July 21, 2022 EX-2.1

Agreement and Plan of Merger and Reorganization, dated July 21, 2022, by and among Silverback Therapeutics, Inc., Sabre Merger Sub, Inc. and ARS Pharmaceuticals, Inc.*

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER AND REORGANIZATION among: SILVERBACK THERAPEUTICS, INC., a Delaware corporation; SABRE MERGER SUB, INC., a Delaware corporation; and ARS PHARMACEUTICALS, INC., a Delaware corporation Dated as of July 21, 2022 TABLE OF CONTENTS Page SECTION 1. DESCRIPTION OF TRANSACTION 2 1.1 The Merger 2 1.2 Effects of the Merger 2 1.3 Closing; Effective Time 2 1.4 Certific

July 21, 2022 EX-99.3

1

Exhibit 99.3 On July 21, 2022, Silverback Therapeutics, Inc. (?Silverback?) and ARS Pharmaceuticals, Inc. (?ARS?) hosted an investor conference call at 5:00 pm Eastern Time to discuss the entering into a definitive merger agreement under which ARS will merge with a wholly owned subsidiary of Silverback in an all-stock transaction. The script of the conference call related to such proposed merger i

July 21, 2022 EX-99.1

Silverback Therapeutics and ARS Pharmaceuticals Announce Merger Transaction to support potential commercialization of neffy™, ARS’s needle-free epinephrine nasal spray Well-funded with at least three years of operating runway expected Companies to ho

Exhibit 99.1 Silverback Therapeutics and ARS Pharmaceuticals Announce Merger Transaction to support potential commercialization of neffy?, ARS?s needle-free epinephrine nasal spray Well-funded with at least three years of operating runway expected Companies to host conference call today, July 21, 2022, at 5:00 p.m. ET SEATTLE and SAN DIEGO ? July 21, 2022 ? Silverback Therapeutics, Inc. (Nasdaq: S

July 21, 2022 EX-10.1

Form of Silverback Therapeutics, Inc. Support Agreement, dated July 21, 2022.

Exhibit 10.1 SUPPORT AGREEMENT This SUPPORT AGREEMENT (this ?Agreement?), is made as of July 21, 2022, by and between ARS THERAPEUTICS, INC., a Delaware corporation (the ?Company?) and the Person set forth on Schedule A hereto (the ?Stockholder?). WHEREAS, as of the date hereof, the Stockholder is the holder of the number of shares of common stock, par value $0.0001 per share (?Parent Shares?), of

July 21, 2022 DEFA14A

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 21, 2022 SILVERBACK 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): July 21, 2022 SILVERBACK THERAPEUTICS, INC. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commis

July 21, 2022 EX-10.3

Form of Lock-Up Agreement, dated July 21, 2022.

Exhibit 10.3 Lock-Up Agreement July 21, 2022 Ladies and Gentlemen: The undersigned (the ?Stockholder?) understands that: (i) SILVERBACK THERAPEUTICS, INC., a Delaware corporation (?Parent?), has entered into an Agreement and Plan of Merger and Reorganization, dated as of July 21, 2022 (the ?Merger Agreement?), with ARS PHARMACEUTICALS, INC., a Delaware corporation (the ?Company?) and SABRE MERGER

July 21, 2022 EX-99.4

Internal Silverback Email Communication and FAQ July 21, 2022

Exhibit 99.4 Internal Silverback Email Communication and FAQ July 21, 2022 Dear Colleagues, This afternoon, we announced that earlier today, Silverback Therapeutics, Inc. (?Silverback?) signed an agreement to merge with ARS Pharmaceuticals, Inc. (?ARS?), a San Diego-based biopharmaceutical company developing an intranasally administered epinephrine product called neffy?, the first no-needle, no-in

July 21, 2022 EX-99.2

Forward Looking Statements This presentation contains forward-looking statements which include, but are not limited to, statements regarding expected timing, completion, effects and potential benefits of the proposed merger; the expected cash, cash e

Merger Announcement July 21, 2022 Exhibit 99.2 Forward Looking Statements This presentation contains forward-looking statements which include, but are not limited to, statements regarding expected timing, completion, effects and potential benefits of the proposed merger; the expected cash, cash equivalents and marketable securities of the combined company at closing; the expected ownership percent

July 21, 2022 EX-10.2

Form of ARS Pharmaceuticals, Inc. Support Agreement, dated July 21, 2022.

Exhibit 10.2 SUPPORT AGREEMENT This SUPPORT AGREEMENT (this ?Agreement?), is made as of July 21, 2022, by and between SILVERBACK THERAPEUTICS, INC., a Delaware corporation (?Parent?) and the Person set forth on Schedule A hereto (the ?Stockholder?). WHEREAS, as of the date hereof, the Stockholder is the holder of the number of shares, par value $0.01 per share (?Company Shares?), of ARS PHARMACEUT

July 21, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Costs Associated with Exit or Disposal Activities, 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 21, 2022 SILVERBACK THERAPEUTICS, INC. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commis

July 18, 2022 SC 13G

SBTX / Silverback Therapeutics Inc / K2 PRINCIPAL FUND, L.P. Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G (Rule 13d-102) Under the Securities Exchange Act of 1934 Silverback Therapeutics, Inc (Name of Issuer) Common Stock, $0.0001 par value per share (Title of Class of Securities) 82835W108 (CUSIP Number) July 13, 2022 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the r

June 13, 2022 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 10, 2022 Silverback Therapeutics, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commis

May 12, 2022 EX-10.1

Non-Employee Director Compensation Policy, as amended.

SILVERBACK THERAPEUTICS, INC. NON-EMPLOYEE DIRECTOR COMPENSATION POLICY Each member of the Board of Directors (the ?Board?) who is not also serving as an employee of or consultant to Silverback Therapeutics, Inc. (the ?Company?) or any of its subsidiaries (each such member, an ?Eligible Director?) will receive the compensation described in this Non-Employee Director Compensation Policy for his or

May 12, 2022 EX-99.1

Silverback Therapeutics Reports First Quarter 2022 Financial Results and Provides Business Update

Exhibit 99.1 Silverback Therapeutics Reports First Quarter 2022 Financial Results and Provides Business Update SEATTLE ? May 12, 2022 ? Silverback Therapeutics, Inc. (Nasdaq: SBTX) (?Silverback?), a biopharmaceutical company leveraging its proprietary ImmunoTAC technology platform to develop systemically delivered, tissue targeted therapeutics for the treatment of chronic viral infections, cancer,

May 12, 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 001-39756 Silverback

May 12, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 12, 2022 Silverback Therapeutics, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commiss

May 6, 2022 8-K

Entry into a Material Definitive Agreement, Termination of 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): May 2, 2022 Silverback Therapeutics, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commissi

April 28, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 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)(2)) ? Defin

April 28, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 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)(2)) ? Defin

March 31, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 31, 2022 Silverback Therapeutics, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commi

March 31, 2022 EX-99.1

Silverback Therapeutics Updates Strategic Priorities and Reports Fourth Quarter and Full Year 2021 Financial Results - Strategic realignment to focus resources on SBT8230 for chronic hepatitis B virus (cHBV) and discovery pipeline by discontinuing SB

Exhibit 99.1 Silverback Therapeutics Updates Strategic Priorities and Reports Fourth Quarter and Full Year 2021 Financial Results - Strategic realignment to focus resources on SBT8230 for chronic hepatitis B virus (cHBV) and discovery pipeline by discontinuing SBT6050 and SBT6290 clinical oncology programs - On track to complete a Phase 1 regulatory submission for SBT8230 in the fourth quarter of

March 31, 2022 EX-10.1

SUBLEASE AGREEMENT

Jones Lang LaSalle 601 Union St. Ste 2800 Seattle, WA 98101 Phone: 206-607-1700 Fax: 206-607-1701 ? Commercial Brokers Association ALL RIGHTS RESERVED Form: SUBLS SubleaseAgreement Rev. 9/2020 Page 1 of 20 SUBLEASE AGREEMENT THIS SUBLEASE AGREEMENT (?Sublease?) is entered and effective this 1st day of July, 2021, by DELTA DENTAL OF WASHINGTON, a(n) Washington nonprofit corporation, (?Tenant?), and

March 31, 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 the transition period from to Commission File Number 001-39756 Silverback Ther

March 31, 2022 EX-10.15

Forms of Restricted Stock Unit Grant Notice and Restricted Stock Unit Award Agreement under the ARS Pharmaceuticals, Inc. 2020 Equity Incentive Plan (incorporated by reference to Exhibit 10.15 to the Registrant’s Annual Report on Form 10-K, filed with the SEC on March 31, 2022).

Silverback Therapeutics, Inc. RSU Award Grant Notice (2020 Equity Incentive Plan) Silverback Therapeutics, Inc. (the ?Company?) has awarded to you (the ?Participant?) the number of restricted stock units specified and on the terms set forth below in consideration of your services (the ?RSU Award?). Your RSU Award is subject to all the terms and conditions as set forth herein and in the Company?s 2

March 17, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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, 2022 Silverback Therapeutics, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commi

February 14, 2022 SC 13G/A

SBTX / Silverback Therapeutics Inc / Boxer Capital, LLC - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* SILVERBACK THERAPEUTICS, INC. (Name of Issuer) Common Stock, $0.0001 par value per share (Title of Class of Securities) 82835W108 (CUSIP Number) December 31, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to design

February 14, 2022 SC 13G/A

SBTX / Silverback Therapeutics Inc / EcoR1 Capital, LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1) Silverback Therapeutics, Inc. (Name of Issuer) Common Stock, $0.0001 par value (Title of Class of Securities) 82835W108 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rul

February 14, 2022 SC 13G/A

SBTX / Silverback Therapeutics Inc / RA CAPITAL MANAGEMENT, L.P. - SILVERBACK THERAPEUTICS, INC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* Silverback Therapeutics, Inc. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 82835W108 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desi

January 27, 2022 SC 13D

SBTX / Silverback Therapeutics Inc / U.S. Venture Partners XII, L.P. - SC 13D Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13D INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1 (a) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2 (a) Silverback Therapeutics, Inc. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 82835W108 (CUSIP Number) Dale Holladay c/o U.S. Venture Partners 1460 El Camino Rea

January 11, 2022 CORRESP

Silverback Therapeutics, Inc. | 500 Fairview Avenue N, Suite 600, Seattle, WA 98109 USA | Phone:

Silverback Therapeutics, Inc. | 500 Fairview Avenue N, Suite 600, Seattle, WA 98109 USA | Phone: 206-456-2900 January 11, 2022 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attn: Margaret Schwartz Re: Silverback Therapeutics, Inc. Registration Statement on Form S-3 Filed: January 3, 2022 File No. 333-261979 Ladies and Ge

January 3, 2022 S-3

As filed with the Securities and Exchange Commission on January 3, 2022

Table of Contents As filed with the Securities and Exchange Commission on January 3, 2022 Registration No.

January 3, 2022 EX-4.8

Form of Debt Securities Warrant Agreement and Warrant Certificate.

Exhibit 4.8 SILVERBACK THERAPEUTICS, INC. AND , AS WARRANT AGENT FORM OF DEBT SECURITIES WARRANT AGREEMENT DATED AS OF SILVERBACK THERAPEUTICS, INC. FORM OF DEBT SECURITIES WARRANT AGREEMENT THIS DEBT SECURITIES WARRANT AGREEMENT (this ?Agreement?), dated as of [?], between SILVERBACK THERAPEUTICS, INC., a Delaware corporation (the ?Company?), and [?], a [corporation] [national banking association

January 3, 2022 S-8

As filed with the Securities and Exchange Commission on January 3, 2022

As filed with the Securities and Exchange Commission on January 3, 2022 Registration No.

January 3, 2022 EX-4.6

Form of Common Stock Warrant Agreement and Warrant Certificate.

Exhibit 4.6 SILVERBACK THERAPEUTICS, INC. AND , AS WARRANT AGENT FORM OF COMMON STOCK WARRANT AGREEMENT DATED AS OF SILVERBACK THERAPEUTICS, INC. FORM OF COMMON STOCK WARRANT AGREEMENT THIS COMMON STOCK WARRANT AGREEMENT (this ?Agreement?), dated as of [?], between SILVERBACK THERAPEUTICS, INC., a Delaware corporation (the ?Company?), and [?], a [corporation] [national banking association] organiz

January 3, 2022 EX-4.7

Form of Preferred Stock Warrant Agreement and Warrant Certificate.

Exhibit 4.7 SILVERBACK THERAPEUTICS, INC. AND , AS WARRANT AGENT FORM OF PREFERRED STOCK WARRANT AGREEMENT DATED AS OF SILVERBACK THERAPEUTICS, INC. FORM OF PREFERRED STOCK WARRANT AGREEMENT THIS PREFERRED STOCK WARRANT AGREEMENT (this ?Agreement?), dated as of [?], between SILVERBACK THERAPEUTICS, INC., a Delaware corporation (the ?Company?), and [?], a [corporation] [national banking association

January 3, 2022 EX-4.3

Form of Indenture, between the registrant and one or more trustees to be named.

Exhibit 4.3 Silverback Therapeutics, Inc., Issuer AND [TRUSTEE], Trustee INDENTURE Dated as of [?], 202[?] Debt Securities TABLE OF CONTENTS PAGE ARTICLE 1 DEFINITIONS 1 Section 1.01 Definitions of Terms 1 ARTICLE 2 ISSUE, DESCRIPTION, TERMS, EXECUTION, REGISTRATION AND EXCHANGE OF SECURITIES 5 Section 2.01 Designation and Terms of Securities 5 Section 2.02 Form of Securities and Trustee?s Certifi

November 10, 2021 EX-10.1

Sublease Agreement, by and between the registrant and Delta Dental of Washington, dated July 1, 2021 (incorporated by reference to Exhibit 10.1 to the registrant's Quarterly Report on Form 10-Q, filed with the SEC on November 10, 2021.

Jones Lang LaSalle 601 Union St. Ste 2800 Seattle, WA 98101 Phone: 206-607-1700 Fax: 206-607-1701 ? Commercial Brokers Association ALL RIGHTS RESERVED Form: SUBLS SubleaseAgreement Rev. 9/2020 Page 1 of 20 SUBLEASE AGREEMENT THIS SUBLEASE AGREEMENT (?Sublease?) is entered and effective this 1st day of July, 2021, by DELTA DENTAL OF WASHINGTON, a(n) Washington nonprofit corporation, (?Tenant?), and

November 10, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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, 2021 Silverback Therapeutics, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Co

November 10, 2021 EX-99.1

Silverback Therapeutics Reports Third Quarter 2021 Financial Results and Provides Business Update

EX-99.1 2 d200650dex991.htm EX-99.1 Exhibit 99.1 Silverback Therapeutics Reports Third Quarter 2021 Financial Results and Provides Business Update SEATTLE – November 10, 2021 – Silverback Therapeutics, Inc. (Nasdaq: SBTX) (“Silverback”), a clinical-stage biopharmaceutical company leveraging its proprietary ImmunoTAC technology platform to develop systemically delivered, tissue targeted therapeutic

November 10, 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 001-39756 Silver

September 16, 2021 EX-99.1

Forward-looking statements and disclaimers Any reproduction or distribution of this presentation, in whole or in part, or the disclosure of any of its contents is prohibited. This presentation includes certain forward-looking statements that involve

Exhibit 99.1Exhibit 99.1 Forward-looking statements and disclaimers Any reproduction or distribution of this presentation, in whole or in part, or the disclosure of any of its contents is prohibited. This presentation includes certain forward-looking statements that involve risks and uncertainties that could cause actual results to be materially different from historical results or from any future

September 16, 2021 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): September 16, 2021 Silverback Therapeutics, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (C

September 13, 2021 EX-99.1

Title: Results of an ongoing Phase 1/1b study of SBT6050 as monotherapy and combined with pembrolizumab in patients with advanced HER2-expressing or amplified solid tumors

EX-99.1 2 d220449dex991.htm EX-99.1 Exhibit 99.1 Title: Results of an ongoing Phase 1/1b study of SBT6050 as monotherapy and combined with pembrolizumab in patients with advanced HER2-expressing or amplified solid tumors Samuel J. Klempner1, Muralidhar Beeram2, Dhanusha Sabanathan3, Arlene Chan4, Erika Hamilton5, Sherene Loi6, Do-Youn Oh7, Leisha A. Emens8, Amita Patnaik2, Jeong Eun Kim9, Yeon Hee

September 13, 2021 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): September 13, 2021 Silverback The

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 13, 2021 Silverback Therapeutics, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (C

August 12, 2021 EX-99.1

Silverback Therapeutics Reports Second Quarter 2021 Financial Results and Provides Business Update

EX-99.1 2 d214895dex991.htm EX-99.1 Exhibit 99.1 Silverback Therapeutics Reports Second Quarter 2021 Financial Results and Provides Business Update SEATTLE – August 12, 2021 – Silverback Therapeutics, Inc. (Nasdaq: SBTX) (“Silverback”), a clinical-stage biopharmaceutical company leveraging its proprietary ImmunoTAC technology platform to develop systemically delivered, tissue targeted therapeutics

August 12, 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 001-39756 Silverback

August 12, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 12, 2021 Silverback Therapeutics, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Comm

July 2, 2021 8-K

Entry into a Material Definitive Agreement, 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): July 1, 2021 Silverback Therapeutics, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commiss

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 4, 2021 Silverback Therapeutics, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commiss

May 13, 2021 10-Q

Table of Contents 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

Table of Contents 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 00

May 13, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 13, 2021 Silverback Therapeutics, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commiss

May 13, 2021 EX-99.1

Silverback Therapeutics Reports First Quarter 2021 Financial Results

EX-99.1 2 d355932dex991.htm EX-99.1 Exhibit 99.1 Silverback Therapeutics Reports First Quarter 2021 Financial Results SEATTLE – May 13, 2021 – Silverback Therapeutics, Inc. (Nasdaq: SBTX) (“Silverback”), a clinical-stage biopharmaceutical company leveraging its proprietary ImmunoTAC technology platform to develop systemically delivered, tissue targeted therapeutics for the treatment of cancer, chr

April 22, 2021 DEF 14A

- DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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)(2)) ? Defin

April 22, 2021 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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)(2)) ? Defin

March 29, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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, 2021 Silverback Therapeutics, Inc. (Exact name of registrant as specified in its charter) Delaware 001-39756 81-1489190 (State or other jurisdiction of incorporation) (Commi

March 29, 2021 S-8

- S-8

As filed with the Securities and Exchange Commission on March 29, 2021 Registration No.

March 29, 2021 10-K

Annual Report - FORM 10-K

Table of Contents 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 THE TRANSITION PERIOD FROM TO Commission File Number 001-397

March 29, 2021 EX-99.1

Silverback Therapeutics Reports Fourth Quarter and Full Year 2020 Financial Results and Recent Corporate Updates Initiated SBT6050 clinical development, with pharmacological activity demonstrated in the first dose cohort Advanced preclinical developm

EX-99.1 2 d114709dex991.htm EX-99.1 Exhibit 99.1 Silverback Therapeutics Reports Fourth Quarter and Full Year 2020 Financial Results and Recent Corporate Updates Initiated SBT6050 clinical development, with pharmacological activity demonstrated in the first dose cohort Advanced preclinical development of SBT6290 and declared SBT8230 as the development candidate for chronic hepatitis B virus progra

March 29, 2021 EX-10.16

Amendment No. 1 to Cell Line License Agreement, by and between the registrant and WuXi Biologics (Hong Kong) Limited, dated January 12, 2021.

EX-10.16 3 d109083dex1016.htm EX-10.16 Exhibit 10.16 CERTAIN INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY [***], HAS BEEN OMITTED BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. AMENDMENT NO. 1 TO CELL LINE LICENSE AGREEMENT This Amendment No. 1 (this “Amendment”) is entered into between Silverback Therapeutics, Inc. (“Licensee”) and WuXi

March 29, 2021 EX-4.6

Description of Registrant’s Common Stock.

EX-4.6 2 d109083dex46.htm EX-4.6 Exhibit 4.6 DESCRIPTION OF COMMON STOCK The following summary description of the common stock of Silverback Therapeutics, Inc. (we, our or us) is based on the provisions of our amended and restated certificate of incorporation, as well as our amended and restated bylaws, and the applicable provisions of the Delaware General Corporation Law. This information is qual

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