ASMB

SEC source: 0001079973-24-001375 · ownership.xml · nonDerivative · entry 1

Schornstein Alexander · CIK 0001999256 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 703,113

F1 · kind: The sales reported on this Form 4 represent shares purchased by the reporting person on October 8, 2024, from the open market using his personal funds.

F2 · price: The price reported is the weighted average at which the shares were purchased. 10,000 shares were purchased on October 8, 2024, in multiple transactions at prices ranging from $14.29 to 14.64. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0000950170-24-112896 · ownership.xml · nonDerivative · entry 1

Okazaki Jason A · CIK 0001807214 · Director · CEO and President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,904

F1 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

SEC source: 0000950170-24-112897 · ownership.xml · nonDerivative · entry 1

White Nicole S · CIK 0001993254 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,911

F1 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

SEC source: 0000950170-24-090724 · ownership.xml · nonDerivative · entry 1

Okazaki Jason A · CIK 0001807214 · Director · CEO and President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,101

F1 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.08 to $14.39, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0000950170-24-090743 · ownership.xml · nonDerivative · entry 1

White Nicole S · CIK 0001993254 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,068

F1 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.08 to $14.39, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0001079973-24-001035 · ownership.xml · nonDerivative · entry 2

Schornstein Alexander · CIK 0001999256 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 693,113

F1 · kind: The sales reported on this Form 4 represent shares purchased by the reporting person from July 3, 2024, and July 5, 2024, from the open market using his personal funds.

F3 · price: The price reported is the midpoint of the price range at which the shares were purchased. 4,438 shares were purchased on July 5, 2024, in multiple transactions ranging from $12.40 to $12.68. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0001079973-24-001035 · ownership.xml · nonDerivative · entry 1

Schornstein Alexander · CIK 0001999256 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 688,675

F1 · kind: The sales reported on this Form 4 represent shares purchased by the reporting person from July 3, 2024, and July 5, 2024, from the open market using his personal funds.

F2 · price: The price reported is the midpoint of the price range at which the shares were purchased. 4,562 shares were purchased on July 3, 2024, in multiple transactions at prices ranging from $11.99 to $12.40. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0000904454-24-000391 · ownership.xml · derivative · entry 2

GILEAD SCIENCES, INC. · CIK 0000882095 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 179,500

Underlying: Common Stock · 179,500 shares

Expires 2029-06-18

F1 · price: Pursuant to a securities purchase agreement between the Issuer and the Reporting Person, the Issuer issued and sold to the Reporting Person in a private placement 179,500 shares of the Issuer's common stock, par value $0.001 per share ("Common Stock"), and a warrant to purchase 179,500 shares of Common Stock (the "Warrant") at a combined price of $15.46 per share of Common Stock and accompanying warrant.

F2 · derivative.exercise_date: The Warrant is exercisable at any time after the date of issuance and expires on June 18, 2029. A holder of the Warrant may not exercise the Warrant if the holder, together with its affiliates, would beneficially own more than 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to such exercise.

F2 · derivative.expiration_date: The Warrant is exercisable at any time after the date of issuance and expires on June 18, 2029. A holder of the Warrant may not exercise the Warrant if the holder, together with its affiliates, would beneficially own more than 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to such exercise.

SEC source: 0000904454-24-000391 · ownership.xml · nonDerivative · entry 1

GILEAD SCIENCES, INC. · CIK 0000882095 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,268,972

F1 · price: Pursuant to a securities purchase agreement between the Issuer and the Reporting Person, the Issuer issued and sold to the Reporting Person in a private placement 179,500 shares of the Issuer's common stock, par value $0.001 per share ("Common Stock"), and a warrant to purchase 179,500 shares of Common Stock (the "Warrant") at a combined price of $15.46 per share of Common Stock and accompanying warrant.

SEC source: 0000950170-24-066604 · ownership.xml · derivative · entry 1

Mahony Susan · CIK 0001463321 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,750

Underlying: Common Stock · 2,750 shares

Expires 2034-05-29

F1 · derivative.exercise_date: Grant of stock options. The stock options vest, assuming continuous service, upon the earlier of (1) May 29, 2025 and (2) the date of the Issuer's 2025 annual meeting of stockholders.

SEC source: 0000950170-24-066606 · ownership.xml · derivative · entry 1

Johnson-Pratt Lisa · CIK 0001849760 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,750

Underlying: Common Stock · 2,750 shares

Expires 2034-05-29

F1 · derivative.exercise_date: Grant of stock options. The stock options vest, assuming continuous service, upon the earlier of (1) May 29, 2025 and (2) the date of the Issuer's 2025 annual meeting of stockholders.

SEC source: 0000950170-24-066605 · ownership.xml · derivative · entry 1

McHutchison John G · CIK 0001738125 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,750

Underlying: Common Stock · 2,750 shares

Expires 2034-05-29

F1 · derivative.exercise_date: Grant of stock options. The stock options vest, assuming continuous service, upon the earlier of (1) May 29, 2025 and (2) the date of the Issuer's 2025 annual meeting of stockholders.

SEC source: 0000950170-24-066584 · ownership.xml · derivative · entry 1

Consylman Gina · CIK 0001546358 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,750

Underlying: Common Stock · 2,750 shares

Expires 2034-05-29

F1 · derivative.exercise_date: Grant of stock options. The stock options vest, assuming continuous service, upon the earlier of (1) May 29, 2025 and (2) the date of the Issuer's 2025 annual meeting of stockholders.

SEC source: 0000950170-24-066585 · ownership.xml · derivative · entry 1

Houghton Michael · CIK 0001873008 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,750

Underlying: Common Stock · 2,750 shares

Expires 2034-05-29

F1 · derivative.exercise_date: Grant of stock options. The stock options vest, assuming continuous service, upon the earlier of (1) May 29, 2025 and (2) the date of the Issuer's 2025 annual meeting of stockholders.

SEC source: 0000950170-24-066562 · ownership.xml · derivative · entry 1

ALTIG ANTHONY E · CIK 0001215907 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,750

Underlying: Common Stock · 2,750 shares

Expires 2034-05-29

F1 · derivative.exercise_date: Grant of stock options. The stock options vest, assuming continuous service, upon the earlier of (1) May 29, 2025 and (2) the date of the Issuer's 2025 annual meeting of stockholders.

SEC source: 0000950170-24-066560 · ownership.xml · derivative · entry 1

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,750

Underlying: Common Stock · 2,750 shares

Expires 2034-05-29

F1 · derivative.exercise_date: Grant of stock options. The stock options vest, assuming continuous service, upon the earlier of (1) May 29, 2025 and (2) the date of the Issuer's 2025 annual meeting of stockholders.

SEC source: 0000950170-24-064552 · ownership.xml · nonDerivative · entry 1

Okazaki Jason A · CIK 0001807214 · Director · CEO and President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,082

F1 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.74 to $15.20, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

F3 · balance_after: Includes 208 shares acquired under the Assembly Biosciences, Inc. Amended and Restated 2018 Employee Stock Purchase Plan on May 14, 2024.

SEC source: 0000950170-24-064589 · ownership.xml · nonDerivative · entry 1

Bjorkquist Jeanette M · CIK 0001945064 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,142

F1 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.74 to $15.20, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0000950170-24-064551 · ownership.xml · nonDerivative · entry 1

White Nicole S · CIK 0001993254 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,853

F1 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.74 to $15.20, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0000950170-24-064586 · ownership.xml · nonDerivative · entry 1

McHutchison John G · CIK 0001738125 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,104

F1 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.74 to $15.20, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0000950170-24-051244 · ownership.xml · nonDerivative · entry 2

Okazaki Jason A · CIK 0001807214 · Director · CEO and President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,423

F2 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.3851 to $12.8847, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0000950170-24-051271 · ownership.xml · nonDerivative · entry 2

White Nicole S · CIK 0001993254 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,025

F2 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.3851 to $12.8847, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0000950170-24-051243 · ownership.xml · nonDerivative · entry 1

Delaney William E IV · CIK 0001812734 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,109

F1 · kind: Represents shares of common stock issuable under a performance-based restricted stock unit award dated August 1, 2022. On April 29, 2024, a performance-based vesting condition was achieved.

F2 · balance_after: Reflects equitable adjustment of the number of shares beneficially owned by the reporting person resulting from a 1-for-12 reverse stock split of the Issuer's common stock effected February 9, 2023, which is exempt from reporting pursuant to Rule 16a-9.

SEC source: 0000950170-24-051244 · ownership.xml · nonDerivative · entry 1

Okazaki Jason A · CIK 0001807214 · Director · CEO and President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,992

F1 · shares: Represents shares of common stock issuable under a performance-based restricted stock unit award dated August 1, 2022. On April 29, 2024, a performance-based vesting condition was achieved.

SEC source: 0000950170-24-051271 · ownership.xml · nonDerivative · entry 1

White Nicole S · CIK 0001993254 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,280

F1 · shares: Represents shares of common stock issuable under a performance-based restricted stock unit award dated August 1, 2022. On April 29, 2024, a performance-based vesting condition was achieved.

SEC source: 0000950170-24-040132 · ownership.xml · nonDerivative · entry 1

Okazaki Jason A · CIK 0001807214 · Director · CEO and President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,826

F1 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.90 to $13.30, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0000950170-24-040180 · ownership.xml · nonDerivative · entry 2

Bjorkquist Jeanette M · CIK 0001945064 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,166

F3 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.90 to $13.30, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0000950170-24-040205 · ownership.xml · nonDerivative · entry 1

McHutchison John G · CIK 0001738125 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,221

F1 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.90 to $13.30, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

F3 · balance_after: Reflects equitable adjustment of the number of shares beneficially owned by the reporting person resulting from a 1-for-12 reverse stock split of the Issuer's common stock effected February 9, 2023, which is exempt from reporting pursuant to Rule 16a-9.

SEC source: 0000950170-24-040162 · ownership.xml · nonDerivative · entry 1

White Nicole S · CIK 0001993254 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,947

F1 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.90 to $13.30, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

F3 · balance_after: Reflects equitable adjustment of the number of shares beneficially owned by the reporting person resulting from a 1-for-12 reverse stock split of the Issuer's common stock effected February 9, 2023, which is exempt from reporting pursuant to Rule 16a-9.

SEC source: 0000950170-24-040149 · ownership.xml · derivative · entry 1

Delaney William E IV · CIK 0001812734 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2034-03-29

F1 · derivative.exercise_date: Grant of stock options. The stock options vest over four years, assuming continuous service on each vesting date, as follows: 25% vest on the first anniversary of the date of grant, March 29, 2025; and the remaining 75% vest in 36 approximately equal monthly installments, with the options becoming fully vested on March 29, 2028.

SEC source: 0000950170-24-040132 · ownership.xml · derivative · entry 2

Okazaki Jason A · CIK 0001807214 · Director · CEO and President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,000

Underlying: Common Stock · 65,000 shares

Expires 2034-03-29

F3 · derivative.exercise_date: Grant of stock options. The stock options vest over four years, assuming continuous service on each vesting date, as follows: 25% vest on the first anniversary of the date of grant, March 29, 2025; and the remaining 75% vest in 36 approximately equal monthly installments, with the options becoming fully vested on March 29, 2028.

SEC source: 0000950170-24-040180 · ownership.xml · derivative · entry 3

Bjorkquist Jeanette M · CIK 0001945064 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,550

Underlying: Common Stock · 1,550 shares

Expires 2034-03-29

F5 · derivative.exercise_date: Grant of stock options. The stock options vest over four years, assuming continuous service on each vesting date, as follows: 25% vest on the first anniversary of the date of grant, March 29, 2025; and the remaining 75% vest in 36 approximately equal monthly installments, with the options becoming fully vested on March 29, 2028.

SEC source: 0000950170-24-040180 · ownership.xml · nonDerivative · entry 1

Bjorkquist Jeanette M · CIK 0001945064 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,280

F1 · shares: Grant of restricted stock units. The restricted stock units vest in four approximately equal installments, assuming continuous service on each vesting date, as follows: March 29, 2025; March 29, 2026; March 29, 2027; and March 29, 2028.

F2 · balance_after: Reflects equitable adjustment of the number of shares beneficially owned by the reporting person resulting from a 1-for-12 reverse stock split of the Issuer's common stock effected February 9, 2023, which is exempt from reporting pursuant to Rule 16a-9.

SEC source: 0000950170-24-040162 · ownership.xml · derivative · entry 2

White Nicole S · CIK 0001993254 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,500

Underlying: Common Stock · 17,500 shares

Expires 2034-03-29

F4 · derivative.exercise_date: Grant of stock options. The stock options vest over four years, assuming continuous service on each vesting date, as follows: 25% vest on the first anniversary of the date of grant, March 29, 2025; and the remaining 75% vest in 36 approximately equal monthly installments, with the options becoming fully vested on March 29, 2028.

SEC source: 0000950170-24-038630 · ownership.xml · nonDerivative · entry 1

Okazaki Jason A · CIK 0001807214 · Director · CEO and President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,180

F1 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

F2 · balance_after: Reflects equitable adjustment of the number of shares of common stock beneficially owned by the reporting person as a result of a 1-for-12 reverse stock split of the Issuer's common stock effected February 9, 2024, which is exempt from reporting pursuant to Rule 16a-9.

SEC source: 0001079973-24-000085 · ownership.xml · nonDerivative · entry 2

Schornstein Alexander · CIK 0001999256 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,209,372

F1 · kind: The sales reported on this Form 4 represent shares purchased by the reporting person from January 17, 2024, to January 18, 2024, from the open market using his personal funds.

F3 · price: 345,086 shares were purchased on January 18, 2024, in multiple transactions at $0.80. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0001079973-24-000085 · ownership.xml · nonDerivative · entry 1

Schornstein Alexander · CIK 0001999256 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,864,286

F1 · kind: The sales reported on this Form 4 represent shares purchased by the reporting person from January 17, 2024, to January 18, 2024, from the open market using his personal funds.

F2 · price: The price reported is the midpoint of the price range at which the shares were purchased. 299,994 shares were purchased on January 17, 2024, in multiple transactions at prices ranging from $0.768 to $0.80. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0001079973-23-001645 · ownership.xml · nonDerivative · entry 2

Schornstein Alexander · CIK 0001999256 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,564,292

F1 · kind: The sales reported on this Form 4 represent shares purchased by the reporting person from November 20, 2023, to November 21, 2023, from the open market using his personal funds.

F3 · price: The 100,000 shares purchased on November 21, 2023, were bought in transactions at prices ranging from $0.6666 to $0.67. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0001079973-23-001645 · ownership.xml · nonDerivative · entry 1

Schornstein Alexander · CIK 0001999256 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,464,292

F1 · kind: The sales reported on this Form 4 represent shares purchased by the reporting person from November 20, 2023, to November 21, 2023, from the open market using his personal funds.

F2 · price: The price reported is a weighted average price. These shares were purchased on November 20, 2023, in multiple transactions at prices ranging from $0.695 to $0.72. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0001209191-23-056212 · doc4.xml · nonDerivative · entry 1

White Nicole S · CIK 0001993254 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,774

F1 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

SEC source: 0001209191-23-054973 · doc4.xml · derivative · entry 1

Gaggar Anuj · CIK 0001999576 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 500,000

Underlying: Common Stock · 500,000 shares

Expires 2033-11-08

F1 · derivative.exercise_date: Grant of stock options. The stock options vest over four years, assuming continuous service on each vesting date, as follows: 25% vest on the first anniversary of the date of grant, November 8, 2024; and the remaining 75% vest in 36 approximately equal monthly installments, with the options becoming fully vested on November 8, 2027.

SEC source: 0001209191-23-051910 · doc4.xml · nonDerivative · entry 2

Delaney William E IV · CIK 0001812734 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,853

F2 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.79 to $0.83, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0001209191-23-051888 · doc4.xml · nonDerivative · entry 2

Okazaki Jason A · CIK 0001807214 · Director · CEO and President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 174,923

F2 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.79 to $0.83, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0001209191-23-051934 · doc4.xml · nonDerivative · entry 2

White Nicole S · CIK 0001993254 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,251

F2 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.79 to $0.83, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0001209191-23-051910 · doc4.xml · nonDerivative · entry 1

Delaney William E IV · CIK 0001812734 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 152,744

F1 · shares: Represents shares of common stock issuable under a performance-based restricted stock unit award dated August 1, 2022. On October 2, 2023, a performance-based vesting condition was achieved. These shares of common stock vest in two equal installments, assuming continuous service on each vesting date, as follows: October 2, 2023 and October 2, 2024.

SEC source: 0001209191-23-051888 · doc4.xml · nonDerivative · entry 1

Okazaki Jason A · CIK 0001807214 · Director · CEO and President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 177,286

F1 · shares: Represents shares of common stock issuable under a performance-based restricted stock unit award dated August 1, 2022. On October 2, 2023, a performance-based vesting condition was achieved. These shares of common stock vest in two equal installments, assuming continuous service on each vesting date, as follows: October 2, 2023 and October 2, 2024.

SEC source: 0001209191-23-051934 · doc4.xml · nonDerivative · entry 1

White Nicole S · CIK 0001993254 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,142

F1 · shares: Represents shares of common stock issuable under a performance-based restricted stock unit award dated August 1, 2022. On October 2, 2023, a performance-based vesting condition was achieved. These shares of common stock vest in two equal installments, assuming continuous service on each vesting date, as follows: October 2, 2023 and October 2, 2024.

SEC source: 0001209191-23-044405 · doc4.xml · nonDerivative · entry 1

Delaney William E IV · CIK 0001812734 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 142,744

F1 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.0801 to $1.10, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0001209191-23-044397 · doc4.xml · nonDerivative · entry 1

Okazaki Jason A · CIK 0001807214 · Director · CEO and President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 164,786

F1 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.0801 to $1.10, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

SEC source: 0001209191-23-043309 · doc4.xml · nonDerivative · entry 1

Bjorkquist Jeanette M · CIK 0001945064 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,688

F1 · kind: The sale reported on this Form 4 represents shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sale is mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary transaction by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.05 to $1.10, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.