Shah Pratik

SEC source: 0001580787-26-000004 · form4-06262026_040614.xml · derivative · entry 1

Shah Pratik · CIK 0001580787 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Common Stock · 30,000 shares

Expires 2036-06-23

F1 · derivative.exercise_date: The shares subject to the option will vest in full on the earlier of June 24, 2027 or the date of the Issuer's 2027 annual meeting of stockholders, which date has not been set by the Issuer's Board of Directors.

SEC source: 0001580787-26-000002 · form4-01052026_090147.xml · derivative · entry 1

Shah Pratik · CIK 0001580787 · Director · President, CEO and Chairperson

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 750,000

Underlying: Common Stock · 750,000 shares

Expires 2036-01-01

F1 · derivative.exercise_date: The shares subject to the option will vest as follows: 20% of the shares will vest on January 1, 2027, 20% of the shares will vest in equal monthly installments over the following 12 months, 30% of the shares will vest in equal monthly installments over the following 12 months, and 30% of the shares will vest in equal monthly installments over the following 12 months.

SEC source: 0001580787-25-000006 · form4-12112025_041203.xml · derivative · entry 2

Shah Pratik · CIK 0001580787 · Director · President, CEO and Chairperson

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 525,000

Underlying: Common Stock · 525,000 shares

Expires not disclosed

F1 · derivative.exercise_date: On September 1, 2023, the Reporting Person was granted an option to purchase 525,000 shares of common stock. 25% of the shares subject to the option would vest on August 25, 2024, and thereafter the balance would vest in equal monthly installments over the following 36 months, provided that, as an additional condition, no shares under the option would vest until the Issuer achieved a specific performance condition. On December 9, 2025, the Issuer's Board of Directors deemed that the performance condition had been met, resulting in vesting of the option as to 295,312 shares. The remainder of the unvested shares subject to the option shall vest monthly through August 25, 2027 subject to the continuous service of the Reporting Person through each such date.

F1 · derivative.expiration_date: On September 1, 2023, the Reporting Person was granted an option to purchase 525,000 shares of common stock. 25% of the shares subject to the option would vest on August 25, 2024, and thereafter the balance would vest in equal monthly installments over the following 36 months, provided that, as an additional condition, no shares under the option would vest until the Issuer achieved a specific performance condition. On December 9, 2025, the Issuer's Board of Directors deemed that the performance condition had been met, resulting in vesting of the option as to 295,312 shares. The remainder of the unvested shares subject to the option shall vest monthly through August 25, 2027 subject to the continuous service of the Reporting Person through each such date.

SEC source: 0001580787-25-000006 · form4-12112025_041203.xml · derivative · entry 1

Shah Pratik · CIK 0001580787 · Director · President, CEO and Chairperson

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 525,000

Underlying: Common Stock · 525,000 shares

Expires not disclosed

F1 · derivative.exercise_date: On September 1, 2023, the Reporting Person was granted an option to purchase 525,000 shares of common stock. 25% of the shares subject to the option would vest on August 25, 2024, and thereafter the balance would vest in equal monthly installments over the following 36 months, provided that, as an additional condition, no shares under the option would vest until the Issuer achieved a specific performance condition. On December 9, 2025, the Issuer's Board of Directors deemed that the performance condition had been met, resulting in vesting of the option as to 295,312 shares. The remainder of the unvested shares subject to the option shall vest monthly through August 25, 2027 subject to the continuous service of the Reporting Person through each such date.

F1 · derivative.expiration_date: On September 1, 2023, the Reporting Person was granted an option to purchase 525,000 shares of common stock. 25% of the shares subject to the option would vest on August 25, 2024, and thereafter the balance would vest in equal monthly installments over the following 36 months, provided that, as an additional condition, no shares under the option would vest until the Issuer achieved a specific performance condition. On December 9, 2025, the Issuer's Board of Directors deemed that the performance condition had been met, resulting in vesting of the option as to 295,312 shares. The remainder of the unvested shares subject to the option shall vest monthly through August 25, 2027 subject to the continuous service of the Reporting Person through each such date.

SEC source: 0001580787-25-000004 · form4-11142025_111147.xml · nonDerivative · entry 2

Shah Pratik · CIK 0001580787 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Pratik Shah Living Trust dated June 15, 2011

Disclosed balance after: 4,474,554

F3 · kind: The transaction involved the transfer of shares to a charitable fund.

F2 · ownership.nature: The Reporting Person is the trustee of The Pratik Shah Living Trust dated June 15, 2011.

SEC source: 0001580787-25-000004 · form4-11142025_111147.xml · nonDerivative · entry 1

Shah Pratik · CIK 0001580787 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Pratik Shah Living Trust dated June 15, 2011

Disclosed balance after: 4,574,554

F1 · kind: The transaction involved the gift of shares to a trust in which the Reporting Person is not the trustee and the Reporting Person has no pecuniary interest over shares held in the trust.

F2 · ownership.nature: The Reporting Person is the trustee of The Pratik Shah Living Trust dated June 15, 2011.

SEC source: 0001415889-25-018386 · form4-06272025_040610.xml · derivative · entry 1

Shah Pratik · CIK 0001580787 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Common Stock · 30,000 shares

Expires 2035-06-24

F1 · derivative.exercise_date: The shares subject to the option will vest in full on the earlier of June 25, 2026 or the date of the Issuer's 2026 annual meeting of stockholders, which date has not been set by the Issuer's Board of Directors.

SEC source: 0001415889-25-000878 · form4-01062025_070127.xml · derivative · entry 1

Shah Pratik · CIK 0001580787 · Director · President, CEO and Chairperson

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 600,000

Underlying: Common Stock · 600,000 shares

Expires 2035-01-01

F1 · derivative.exercise_date: The shares subject to the option will vest as follows: 20% of the shares will vest on January 1, 2026, 20% of the shares will vest in equal monthly installments over the following 12 months, 30% of the shares will vest in equal monthly installments over the following 12 months, and 30% of the shares will vest in equal monthly installments over the following 12 months.

SEC source: 0001415889-24-018015 · form4-06242024_050614.xml · derivative · entry 1

Shah Pratik · CIK 0001580787 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Common Stock · 40,000 shares

Expires 2034-06-19

F1 · derivative.exercise_date: The shares subject to the option will vest in full on the earlier of June 20, 2025 or the date of the Issuer's 2025 annual meeting of stockholders, which date has not been set by the Issuer's Board of Directors.

SEC source: 0001415889-24-017260 · form4-06172024_100659.xml · nonDerivative · entry 2

Shah Pratik · CIK 0001580787 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse of Pratik Shah, Ph.D.

Disclosed balance after: 0

F2 · kind: This transaction involved the gift by the Reporting Person's spouse to an irrevocable trust of which the Reporting Person's spouse is settlor.

SEC source: 0001415889-24-017260 · form4-06172024_100659.xml · nonDerivative · entry 1

Shah Pratik · CIK 0001580787 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse of Pratik Shah, Ph.D.

Disclosed balance after: 1,132,900

F1 · kind: This transaction involved the gift of shares by the Reporting Person's spouse to the Reporting Person's father-in-law.

SEC source: 0001415889-24-016095 · form4-06082024_010613.xml · nonDerivative · entry 1

Shah Pratik · CIK 0001580787 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Pratik Shah Living Trust dated June 15, 2011

Disclosed balance after: 4,824,554

F1 · kind: This transaction involved the gift by The Pratik Shah Living Trust dated June 15, 2011 to The Pratik Shah Trust (the "Shah Trust") of which the Reporting Person's spouse is sole beneficiary. The Reporting Person is grantor of the Shah Trust.

F2 · ownership.nature: Pratik Shah, Ph.D. is the trustee of The Pratik Shah Living Trust dated June 15, 2011.

SEC source: 0001415889-24-015769 · form4-06062024_080642.xml · nonDerivative · entry 3

Shah Pratik · CIK 0001580787 · Director · 10% owner

Pratik Shah Living Trust dated June 15, 2011 · CIK 0001953388 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse of Pratik Shah, Ph.D.

Disclosed balance after: 1,332,900

F3 · kind: This transaction involved the reporting person's gift to his spouse.

SEC source: 0001415889-24-015769 · form4-06062024_080642.xml · nonDerivative · entry 2

Shah Pratik · CIK 0001580787 · Director · 10% owner

Pratik Shah Living Trust dated June 15, 2011 · CIK 0001953388 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Pratik Shah Living Trust dated June 15, 2011

Disclosed balance after: 6,157,504

F3 · kind: This transaction involved the reporting person's gift to his spouse.

F2 · ownership.nature: Pratik Shah, Ph.D. is the trustee of The Pratik Shah Living Trust dated June 15, 2011.

SEC source: 0001415889-24-015769 · form4-06062024_080642.xml · nonDerivative · entry 1

Shah Pratik · CIK 0001580787 · Director · 10% owner

Pratik Shah Living Trust dated June 15, 2011 · CIK 0001953388 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Pratik Shah Living Trust dated June 15, 2011

Disclosed balance after: 7,490,404

F1 · kind: The Pratik Shah Living Trust dated June 15, 2011 transferred 1,332,900 shares to The Light Irrevocable Trust #1 (the "Light Trust"), of which an adult son of Pratik Shah, M.D. is a beneficiary, and 1,332,900 shares to The Star Irrevocable Trust #1 (the "Star Trust"), of which an adult son of Dr. Shah is a beneficiary. Dr. Shah is grantor of The Light Trust and the Star Trust and therefore has the ability to terminate each trust. Each transfer was made in exchange for trust assets of equal value under an asset substitution power authorized under the terms of each trust.

F1 · price: The Pratik Shah Living Trust dated June 15, 2011 transferred 1,332,900 shares to The Light Irrevocable Trust #1 (the "Light Trust"), of which an adult son of Pratik Shah, M.D. is a beneficiary, and 1,332,900 shares to The Star Irrevocable Trust #1 (the "Star Trust"), of which an adult son of Dr. Shah is a beneficiary. Dr. Shah is grantor of The Light Trust and the Star Trust and therefore has the ability to terminate each trust. Each transfer was made in exchange for trust assets of equal value under an asset substitution power authorized under the terms of each trust.

F2 · ownership.nature: Pratik Shah, Ph.D. is the trustee of The Pratik Shah Living Trust dated June 15, 2011.

SEC source: 0001415889-24-016094 · form4a-06082024_010607.xml · nonDerivative · entry 1

Shah Pratik · CIK 0001580787 · Director · 10% owner

Pratik Shah Living Trust dated June 15, 2011 · CIK 0001953388 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Pratik Shah Living Trust dated June 15, 2011

Disclosed balance after: 7,490,404

F1 · kind: The Pratik Shah Living Trust dated June 15, 2011 transferred 1,332,900 shares to The Light Irrevocable Trust #1, of which an adult son of Pratik Shah, M.D. is a beneficiary, and 1,332,900 shares to The Star Irrevocable Trust #1, of which an adult son of Dr. Shah is a beneficiary. Each transfer was made in exchange for trust assets of equal value under an asset substitution power authorized under the terms of each trust.

F1 · price: The Pratik Shah Living Trust dated June 15, 2011 transferred 1,332,900 shares to The Light Irrevocable Trust #1, of which an adult son of Pratik Shah, M.D. is a beneficiary, and 1,332,900 shares to The Star Irrevocable Trust #1, of which an adult son of Dr. Shah is a beneficiary. Each transfer was made in exchange for trust assets of equal value under an asset substitution power authorized under the terms of each trust.

F2 · ownership.nature: Pratik Shah, Ph.D. is the trustee of The Pratik Shah Living Trust dated June 15, 2011.

SEC source: 0001209191-23-048222 · doc4.xml · derivative · entry 3

Shah Pratik · CIK 0001580787 · Director · President, CEO and Chairperson

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 525,000

Underlying: Common Stock · 525,000 shares

Expires 2033-08-31

F3 · derivative.exercise_date: The shares subject to the option will vest as follows provided that the Company initiates a Phase 2a clinical trial for a product candidate for the treatment of FA: 25% of the shares subject to the option will vest one year following August 25, 2023, and thereafter the balance of the shares will vest in equal monthly installments over the following 36 months.

SEC source: 0001209191-23-048222 · doc4.xml · derivative · entry 2

Shah Pratik · CIK 0001580787 · Director · President, CEO and Chairperson

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 525,000

Underlying: Common Stock · 525,000 shares

Expires 2033-08-31

F2 · derivative.exercise_date: The shares subject to the option will vest as follows provided that an investigational new drug application for a product candidate for the treatment of Friedrich ataxia ("FA") submitted by the Issuer after September 1, 2023 receives clearance from the U.S. Food and Drug Administration: 25% of the shares subject to the option will vest one year following August 25, 2023, and thereafter the balance of the shares will vest in equal monthly installments over the following 36 months.

SEC source: 0001209191-23-048222 · doc4.xml · derivative · entry 1

Shah Pratik · CIK 0001580787 · Director · President, CEO and Chairperson

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,050,000

Underlying: Common Stock · 1,050,000 shares

Expires 2033-08-31

F1 · derivative.exercise_date: The shares subject to the option will vest as follows: 25% of the shares subject to the option will vest one year following August 25, 2023, and thereafter the balance of the shares will vest in equal monthly installments over the following 36 months.

SEC source: 0001209191-23-040112 · doc4.xml · derivative · entry 1

Shah Pratik · CIK 0001580787 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Common Stock · 40,000 shares

Expires 2033-06-26

F1 · derivative.exercise_date: The shares subject to the option will vest in full on the earlier of June 27, 2024 or the date of the Issuer's 2024 annual meeting of stockholders, which date has not been set by the Issuer's Board of Directors.

SEC source: 0001209191-23-006917 · doc4.xml · derivative · entry 1

Shah Pratik · CIK 0001580787 · Director · Executive Chairperson

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 415,000

Underlying: Common Stock · 415,000 shares

Expires 2033-01-31

F1 · derivative.exercise_date: The shares subject to the option will vest as follows: 20% of the shares will vest on February 1, 2024, 20% of the shares will vest in equal monthly installments over the following 12 months, 30% of the shares will vest in equal monthly installments over the following 12 months, and 30% of the shares will vest in equal monthly installments over the following 12 months.

SEC source: 0001209191-22-056445 · doc4.xml · derivative · entry 2

Shah Pratik · CIK 0001580787 · Director · 10% owner

Pratik Shah Living Trust dated June 15, 2011 · CIK 0001953388 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 354,570

Underlying: Common Stock · 354,570 shares

Expires 2031-11-30

F4 · price: Received in exchange for a stock option to acquire 300,000 shares of common stock of ARS with the exercise price of $1.70 per share pursuant to the Merger Agreement.

F5 · price: Upon the closing of the Merger, each outstanding option to purchase shares of ARS common stock was assumed by the Issuer and converted into an option to purchase the Issuer's common stock.

F3 · derivative.exercise_date: The shares subject to the option vest in a series of thirty-six (36) equal monthly installments measured from the vesting commencement date.

SEC source: 0001209191-22-056445 · doc4.xml · nonDerivative · entry 1

Shah Pratik · CIK 0001580787 · Director · 10% owner

Pratik Shah Living Trust dated June 15, 2011 · CIK 0001953388 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Pratik Shah Living Trust dated June 15, 2011

Disclosed balance after: 10,156,204

F1 · price: Received in exchange for 8,593,116 shares of common stock of ARS Pharmaceuticals, Inc. ("ARS") pursuant to an Agreement and Plan of Merger and Reorganization by and among ARS, the Issuer and Sabre Merger Sub, Inc., a wholly-owned subsidiary of the Issuer ("Merger Sub"), as amended (the "Merger Agreement"). Under the terms of the Merger Agreement, on November 8, 2022, Merger Sub merged with and into ARS (the "Merger"), with ARS surviving the Merger as a wholly-owned subsidiary of the Issuer. Upon the closing of the Merger, each share of ARS common stock was converted into the right to receive 1.1819 shares of the Issuer common stock. Subsequent to the Merger, the name of the Issuer was changed from Silverback Therapeutics, Inc. to ARS Pharmaceuticals, Inc.

F2 · ownership.nature: These shares are held in a trust for the benefit of the Reporting Person. The Reporting Person is trustee of the trust.

SEC source: 0001209191-22-006579 · doc4.xml · derivative · entry 1

Shah Pratik · CIK 0001580787 · Director · Executive Chairperson

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 475,000

Underlying: Common Stock · 475,000 shares

Expires 2032-01-31

F1 · derivative.exercise_date: The shares subject to the option will vest as follows: 20% of the shares will vest on February 1, 2023, 20% of the shares will vest in equal monthly installments over the following 12 months, 30% of the shares will vest in equal monthly installments over the following 12 months, and 30% of the shares will vest in equal monthly installments over the following 12 months.

SEC source: 0001209191-21-024229 · doc4.xml · derivative · entry 3

Shah Pratik · CIK 0001580787 · Director · Executive Chairperson

10b5-1 filing: Not disclosed

Ownership: Indirect · By Pratik Shah Living Trust (6/15/2011)

Disclosed balance after: 0

Underlying: Common Stock · 104,923 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: All outstanding shares of Preferred Stock automatically converted into shares of Common Stock immediately upon the closing of the Issuer's initial public offering, for no additional consideration at a rate of one share of Common Stock for each 1.63 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock has no expiration date.

F2 · derivative.exercise_date: All outstanding shares of Preferred Stock automatically converted into shares of Common Stock immediately upon the closing of the Issuer's initial public offering, for no additional consideration at a rate of one share of Common Stock for each 1.63 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock has no expiration date.

F2 · derivative.expiration_date: All outstanding shares of Preferred Stock automatically converted into shares of Common Stock immediately upon the closing of the Issuer's initial public offering, for no additional consideration at a rate of one share of Common Stock for each 1.63 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock has no expiration date.

F3 · ownership.nature: The Reporting Person is the Trustee of the Pratik Shah Living Trust (6/15/2011). The Reporting Person disclaims beneficial ownership of these securities except to the extent of Reporting Person's pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-21-024229 · doc4.xml · nonDerivative · entry 2

Shah Pratik · CIK 0001580787 · Director · Executive Chairperson

10b5-1 filing: Not disclosed

Ownership: Indirect · By Pratik Shah Living Trust (6/15/2011)

Disclosed balance after: 129,923

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: All outstanding shares of Preferred Stock automatically converted into shares of Common Stock immediately upon the closing of the Issuer's initial public offering, for no additional consideration at a rate of one share of Common Stock for each 1.63 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock has no expiration date.

F3 · ownership.nature: The Reporting Person is the Trustee of the Pratik Shah Living Trust (6/15/2011). The Reporting Person disclaims beneficial ownership of these securities except to the extent of Reporting Person's pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-21-024229 · doc4.xml · nonDerivative · entry 1

Shah Pratik · CIK 0001580787 · Director · Executive Chairperson

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

F1 · kind: The shares were purchased in the Issuer's initial public offering.

SEC source: 0001209191-20-004928 · doc4.xml · derivative · entry 2

Shah Pratik · CIK 0001580787 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,223 shares

Expires 2029-06-06

F1 · derivative.exercise_date: This option, which provided for vesting of the shares in equal monthly installments over the 12 months following June 7, 2019, such that the option would be fully vested on the date of the Issuer's next annual stockholder meeting, was cancelled in connection with the merger of the Issuer with Sanofi's wholly owned subsidiary in exchange for a cash payment of $568,398.80, representing the difference between the exercise price of the option and the market value of the underlying common stock of the Issuer on the effective date of the merger ($68).

SEC source: 0001209191-20-004928 · doc4.xml · nonDerivative · entry 1

Shah Pratik · CIK 0001580787 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

SEC source: 0001209191-19-035968 · doc4.xml · derivative · entry 1

Shah Pratik · CIK 0001580787 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,223

Underlying: Common Stock · 10,223 shares

Expires 2029-06-06

F1 · derivative.exercise_date: The shares subject to the option vest in equal monthly installments over the 12 months following June 7, 2019, provided that the option will be fully vested on the date of the Issuer's next annual stockholder meeting.