CTNM

SEC source: 0001437749-24-036349 · rdgdoc.xml · nonDerivative · entry 1

Lorrain Daniel S. · CIK 0001861550 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 168,562

F1 · kind: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person on August 19, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.00 to $16.14, inclusive. The reporting person undertakes to provide to Issuer, any security holder of 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 the ranges set forth in this footnote to this Form 4.

SEC source: 0001437749-24-035887 · rdgdoc.xml · nonDerivative · entry 2

Lorrain Daniel S. · CIK 0001861550 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 169,572

F1 · kind: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person on August 19, 2024.

SEC source: 0001437749-24-035887 · rdgdoc.xml · nonDerivative · entry 1

Lorrain Daniel S. · CIK 0001861550 · Chief Scientific Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 169,671

F1 · kind: This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person on August 19, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.03 to $17.02, inclusive. The reporting person undertakes to provide to Issuer, any security holder of 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 the ranges set forth in this footnote to this Form 4.

SEC source: 0001437749-24-026903 · rdgdoc.xml · derivative · entry 2

Huhn Stephen L. · CIK 0001863904 · CMO & Sr VP, Clinical Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 161,394

Underlying: Class A Common Stock · 12,800 shares

Expires 2030-02-24

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_date: Options granted under the Issuer's 2012 Equity Incentive Plan. The option is fully vested.

SEC source: 0001437749-24-026903 · rdgdoc.xml · nonDerivative · entry 1

Huhn Stephen L. · CIK 0001863904 · CMO & Sr VP, Clinical Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,800

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.

F1 · kind: This transaction involved a cash exercise of a stock option without a subsequent sale of the underlying shares of Class A Common Stock.

SEC source: 0001437749-24-021091 · rdgdoc.xml · derivative · entry 1

Boyce Sarah · CIK 0001629383 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,500

Underlying: Class A Common Stock · 29,500 shares

Expires 2034-06-23

F1 · derivative.exercise_date: Options granted under the Issuer's 2024 Equity Incentive Plan, pursuant to the Issuer's Non-Employee Director Compensation Program. One-third of the option shares vest and become exercisable on June 24, 2025, and the remainder vests in 24 equal monthly installments thereafter, subject to the Reporting Person's continuous service.

SEC source: 0001437749-24-019086 · rdgdoc.xml · derivative · entry 1

Healy John Stephen · CIK 0001908071 · General Counsel and Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 160,000

Underlying: Class A Common Stock · 160,000 shares

Expires 2034-06-02

F1 · derivative.exercise_date: Options granted under the Issuer's 2024 Equity Incentive Plan. 25% of the option shares vest on June 3, 2025, and the remainder vests in equal monthly installments over the next 36 months thereafter, subject to the Reporting Person's continuous service.

SEC source: 0001437749-24-018623 · rdgdoc.xml · derivative · entry 1

Huhn Stephen L. · CIK 0001863904 · CMO & Sr VP, Clinical Dev.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Class A Common Stock · 100,000 shares

Expires 2034-05-23

F1 · derivative.exercise_date: Options granted under the Issuer's 2024 Equity Incentive Plan. 25% of the option shares vest on April 5, 2025, and the remainder vests in equal monthly installments over the next 36 months thereafter, subject to the Reporting Person's continuous service.

SEC source: 0001437749-24-018626 · rdgdoc.xml · derivative · entry 1

Stengone Carmine N. · CIK 0001861519 · Director · CEO and President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 285,000

Underlying: Class A Common Stock · 285,000 shares

Expires 2034-05-23

F1 · derivative.exercise_date: Options granted under the Issuer's 2024 Equity Incentive Plan. 25% of the option shares vest on April 5, 2025, and the remainder vests in equal monthly installments over the next 36 months thereafter, subject to the Reporting Person's continuous service.

SEC source: 0001437749-24-018624 · rdgdoc.xml · derivative · entry 2

Lorrain Daniel S. · CIK 0001861550 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 3,700

Underlying: Class A Common Stock · 3,700 shares

Expires 2034-05-23

F2 · derivative.exercise_date: Options granted under the Plan. 25% of the option shares vest on April 5, 2025, and the remainder vests in equal monthly installments over the next 36 months thereafter, subject to the Reporting Person's spouse's continuous service.

SEC source: 0001437749-24-018624 · rdgdoc.xml · derivative · entry 1

Lorrain Daniel S. · CIK 0001861550 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Class A Common Stock · 100,000 shares

Expires 2034-05-23

F1 · derivative.exercise_date: Options granted under the Issuer's 2024 Equity Incentive Plan (the "Plan"). 25% of the option shares vest on April 5, 2025, and the remainder vests in equal monthly installments over the next 36 months thereafter, subject to the Reporting Person's continuous service.

SEC source: 0001437749-24-018625 · rdgdoc.xml · derivative · entry 1

Slover Peter T · CIK 0001468012 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Class A Common Stock · 100,000 shares

Expires 2034-05-23

F1 · derivative.exercise_date: Options granted under the Issuer's 2024 Equity Incentive Plan. 25% of the option shares vest on April 5, 2025, and the remainder vests in equal monthly installments over the next 36 months thereafter, subject to the Reporting Person's continuous service.

SEC source: 0001437749-24-018622 · rdgdoc.xml · derivative · entry 1

Ignelzi Troy A. · CIK 0001579829 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,350

Underlying: Class A Common Stock · 6,350 shares

Expires 2034-05-23

F1 · derivative.exercise_date: Options granted under the Issuer's 2024 Equity Incentive Plan, pursuant to the Issuer's Non-Employee Director Compensation Program, as amended. One-third of the option shares vest on May 20, 2025, and the remainder vests in 24 equal monthly installments thereafter, subject to the Reporting Person's continuous service.

SEC source: 0001437749-24-018621 · rdgdoc.xml · derivative · entry 1

Ware Olivia C · CIK 0001663771 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,700

Underlying: Class A Common Stock · 3,700 shares

Expires 2034-05-23

F1 · derivative.exercise_date: Options granted under the Issuer's 2024 Equity Incentive Plan, pursuant to the Issuer's Non-Employee Director Compensation Program, as amended. One-third of the option shares vest on April 5, 2025, and the remainder vests in 24 equal monthly installments thereafter, subject to the Reporting Person's continuous service.

SEC source: 0001437749-24-018620 · rdgdoc.xml · derivative · entry 1

Lyons-Williams Lori · CIK 0001693564 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,500

Underlying: Class A Common Stock · 29,500 shares

Expires 2034-05-23

F1 · derivative.exercise_date: Options granted under the Issuer's 2024 Equity Incentive Plan, pursuant to the Issuer's Non-Employee Director Compensation Program, as amended. One-third of the option shares vest on April 5, 2025, and the remainder vests in 24 equal monthly installments thereafter, subject to the Reporting Person's continuous service.

SEC source: 0001437749-24-018619 · rdgdoc.xml · derivative · entry 1

Brady Todd R. · CIK 0001767644 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,500

Underlying: Class A Common Stock · 29,500 shares

Expires 2034-05-23

F1 · derivative.exercise_date: Options granted under the Issuer's 2024 Equity Incentive Plan, pursuant to the Issuer's Non-Employee Director Compensation Program, as amended. One-third of the option shares vest on April 5, 2025, and the remainder vests in 24 equal monthly installments thereafter, subject to the Reporting Person's continuous service.

SEC source: 0001437749-24-018618 · rdgdoc.xml · derivative · entry 1

Schimmelpennink Evert B. · CIK 0001713795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,500

Underlying: Class A Common Stock · 29,500 shares

Expires 2034-05-23

F1 · derivative.exercise_date: Options granted under the Issuer's 2024 Equity Incentive Plan, pursuant to the Issuer's Non-Employee Director Compensation Program, as amended. One-third of the option shares vest on April 5, 2025, and the remainder vests in 24 equal monthly installments thereafter, subject to the Reporting Person's continuous service.

SEC source: 0001437749-24-017719 · rdgdoc.xml · derivative · entry 1

Ignelzi Troy A. · CIK 0001579829 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,150

Underlying: Class A Common Stock · 23,150 shares

Expires 2034-05-19

F1 · derivative.exercise_date: Options granted under the Issuer's 2024 Equity Incentive Plan, pursuant to the Issuer's Non-Employee Director Compensation Plan. One-third of the option shares vest and become exercisable on May 20, 2025, and the remainder vests in 24 equal monthly installments thereafter, subject to the Reporting Person's continuous service.

SEC source: 0000899243-24-000269 · doc4.xml · derivative · entry 22

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 710,494

Underlying: Class B Common Stock · 275,769 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.

F6 · derivative.exercise_price: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.exercise_price: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · price: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · price: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · derivative.exercise_date: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · derivative.expiration_date: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F4 · ownership.nature: The shares are held directly by Versant Vantage I, L.P. ("VV I"). Versant Vantage I GP, L.P. ("VV I GP") is the general partner of VV I, and Versant Vantage I GP-GP, LLC ("VV I GP-GP") is the general partner of VV I GP. Each of VV I GP-GP and VV I GP disclaims beneficial ownership of the shares held by VV I, except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-24-000269 · doc4.xml · derivative · entry 21

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 12,123

Underlying: Class B Common Stock · 689 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.

F6 · derivative.exercise_price: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.exercise_price: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · price: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · price: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · derivative.exercise_date: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · derivative.expiration_date: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F3 · ownership.nature: The shares are held directly by Versant Side Fund IV, L.P. ("VSF IV"). VV IV GP is the general partner of VSF IV and disclaims beneficial ownership of the shares held by VSF IV, except to the extent of its pecuniary interest therein.

SEC source: 0000899243-24-000269 · doc4.xml · derivative · entry 20

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,934,776

Underlying: Class B Common Stock · 110,187 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.

F6 · derivative.exercise_price: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.exercise_price: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · price: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · price: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · derivative.exercise_date: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · derivative.expiration_date: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F2 · ownership.nature: The shares are held directly by Versant Venture Capital IV, L.P. ("VVC IV"). Versant Ventures IV, LLC ("VV IV GP") is the general partner of VVC IV and disclaims beneficial ownership of the shares held by VVC IV, except to the extent of its pecuniary interest therein.

SEC source: 0000899243-24-000269 · doc4.xml · derivative · entry 19

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,741,107

Underlying: Class B Common Stock · 317,988 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.

F6 · derivative.exercise_price: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.exercise_price: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · price: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · price: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · derivative.exercise_date: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · derivative.expiration_date: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F5 · ownership.direct: The shares are held directly by Versant Venture Capital VI, L.P. ("VVC VI"). Versant Ventures VI GP, L.P. ("VV VI GP") is the general partner of VVC VI, and Versant Ventures VI GP-GP, LLC ("VV VI GP-GP") is the general partner of VV VI GP. Each of VV VI GP-GP and VV VI GP disclaims beneficial ownership of the shares held by VVC VI, except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-24-000269 · doc4.xml · derivative · entry 18

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 434,725

Underlying: Class B Common Stock · 434,725 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.

F6 · derivative.exercise_price: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.exercise_price: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · price: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · price: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · derivative.exercise_date: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · derivative.expiration_date: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F4 · ownership.nature: The shares are held directly by Versant Vantage I, L.P. ("VV I"). Versant Vantage I GP, L.P. ("VV I GP") is the general partner of VV I, and Versant Vantage I GP-GP, LLC ("VV I GP-GP") is the general partner of VV I GP. Each of VV I GP-GP and VV I GP disclaims beneficial ownership of the shares held by VV I, except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-24-000269 · doc4.xml · derivative · entry 17

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 11,434

Underlying: Class B Common Stock · 2,182 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.

F6 · derivative.exercise_price: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.exercise_price: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · price: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · price: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · derivative.exercise_date: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · derivative.expiration_date: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F3 · ownership.nature: The shares are held directly by Versant Side Fund IV, L.P. ("VSF IV"). VV IV GP is the general partner of VSF IV and disclaims beneficial ownership of the shares held by VSF IV, except to the extent of its pecuniary interest therein.

SEC source: 0000899243-24-000269 · doc4.xml · derivative · entry 16

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,824,589

Underlying: Class B Common Stock · 348,143 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.

F6 · derivative.exercise_price: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.exercise_price: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · price: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · price: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · derivative.exercise_date: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · derivative.expiration_date: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F2 · ownership.nature: The shares are held directly by Versant Venture Capital IV, L.P. ("VVC IV"). Versant Ventures IV, LLC ("VV IV GP") is the general partner of VVC IV and disclaims beneficial ownership of the shares held by VVC IV, except to the extent of its pecuniary interest therein.

SEC source: 0000899243-24-000269 · doc4.xml · derivative · entry 15

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,423,119

Underlying: Class B Common Stock · 1,423,119 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.

F6 · derivative.exercise_price: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.exercise_price: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · price: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · price: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · derivative.exercise_date: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · derivative.expiration_date: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F5 · ownership.direct: The shares are held directly by Versant Venture Capital VI, L.P. ("VVC VI"). Versant Ventures VI GP, L.P. ("VV VI GP") is the general partner of VVC VI, and Versant Ventures VI GP-GP, LLC ("VV VI GP-GP") is the general partner of VV VI GP. Each of VV VI GP-GP and VV VI GP disclaims beneficial ownership of the shares held by VVC VI, except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-24-000269 · doc4.xml · derivative · entry 14

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 9,252

Underlying: Class B Common Stock · 9,252 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.

F6 · derivative.exercise_price: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.exercise_price: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · price: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · price: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · derivative.exercise_date: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · derivative.expiration_date: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F3 · ownership.nature: The shares are held directly by Versant Side Fund IV, L.P. ("VSF IV"). VV IV GP is the general partner of VSF IV and disclaims beneficial ownership of the shares held by VSF IV, except to the extent of its pecuniary interest therein.

SEC source: 0000899243-24-000269 · doc4.xml · derivative · entry 13

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,476,446

Underlying: Class B Common Stock · 1,476,446 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.

F6 · derivative.exercise_price: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.exercise_price: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · price: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · price: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · derivative.exercise_date: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.exercise_date: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F6 · derivative.expiration_date: In connection with the closing of the IPO, the Reporting Persons elected to have such shares of Preferred Stock convert into shares of the Issuer's Class B common stock (the "Class B Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F7 · derivative.expiration_date: Each share of the Issuer's Class B Common Stock is convertible into one share of Class A Common Stock at the holder's election, provided that as a result of such conversion, such holder, together with its affiliates, will not beneficially own in excess of 4.99% of the Issuer's Class A Common Stock immediately prior to and following such conversion. However, this ownership limitation may be increased or decreased to any other percentage designated by such holder of Class B Common Stock upon 61 days' notice to the Issuer.

F2 · ownership.nature: The shares are held directly by Versant Venture Capital IV, L.P. ("VVC IV"). Versant Ventures IV, LLC ("VV IV GP") is the general partner of VVC IV and disclaims beneficial ownership of the shares held by VVC IV, except to the extent of its pecuniary interest therein.

SEC source: 0000899243-24-000269 · doc4.xml · derivative · entry 12

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 57,565 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.

F1 · derivative.exercise_price: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · price: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F4 · ownership.nature: The shares are held directly by Versant Vantage I, L.P. ("VV I"). Versant Vantage I GP, L.P. ("VV I GP") is the general partner of VV I, and Versant Vantage I GP-GP, LLC ("VV I GP-GP") is the general partner of VV I GP. Each of VV I GP-GP and VV I GP disclaims beneficial ownership of the shares held by VV I, except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-24-000269 · doc4.xml · derivative · entry 11

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 145 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.

F1 · derivative.exercise_price: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · price: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F3 · ownership.nature: The shares are held directly by Versant Side Fund IV, L.P. ("VSF IV"). VV IV GP is the general partner of VSF IV and disclaims beneficial ownership of the shares held by VSF IV, except to the extent of its pecuniary interest therein.

SEC source: 0000899243-24-000269 · doc4.xml · derivative · entry 10

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 22,312 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.

F1 · derivative.exercise_price: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · price: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F2 · ownership.nature: The shares are held directly by Versant Venture Capital IV, L.P. ("VVC IV"). Versant Ventures IV, LLC ("VV IV GP") is the general partner of VVC IV and disclaims beneficial ownership of the shares held by VVC IV, except to the extent of its pecuniary interest therein.

SEC source: 0000899243-24-000269 · doc4.xml · derivative · entry 9

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 90,747 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.

F1 · derivative.exercise_price: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · price: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F4 · ownership.nature: The shares are held directly by Versant Vantage I, L.P. ("VV I"). Versant Vantage I GP, L.P. ("VV I GP") is the general partner of VV I, and Versant Vantage I GP-GP, LLC ("VV I GP-GP") is the general partner of VV I GP. Each of VV I GP-GP and VV I GP disclaims beneficial ownership of the shares held by VV I, except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-24-000269 · doc4.xml · derivative · entry 8

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 455 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.

F1 · derivative.exercise_price: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · price: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F3 · ownership.nature: The shares are held directly by Versant Side Fund IV, L.P. ("VSF IV"). VV IV GP is the general partner of VSF IV and disclaims beneficial ownership of the shares held by VSF IV, except to the extent of its pecuniary interest therein.

SEC source: 0000899243-24-000269 · doc4.xml · derivative · entry 7

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 70,498 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.

F1 · derivative.exercise_price: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · price: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F2 · ownership.nature: The shares are held directly by Versant Venture Capital IV, L.P. ("VVC IV"). Versant Ventures IV, LLC ("VV IV GP") is the general partner of VVC IV and disclaims beneficial ownership of the shares held by VVC IV, except to the extent of its pecuniary interest therein.

SEC source: 0000899243-24-000269 · doc4.xml · derivative · entry 6

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,931 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.

F1 · derivative.exercise_price: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · price: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F3 · ownership.nature: The shares are held directly by Versant Side Fund IV, L.P. ("VSF IV"). VV IV GP is the general partner of VSF IV and disclaims beneficial ownership of the shares held by VSF IV, except to the extent of its pecuniary interest therein.

SEC source: 0000899243-24-000269 · doc4.xml · derivative · entry 5

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 298,975 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.

F1 · derivative.exercise_price: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · price: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F2 · ownership.nature: The shares are held directly by Versant Venture Capital IV, L.P. ("VVC IV"). Versant Ventures IV, LLC ("VV IV GP") is the general partner of VVC IV and disclaims beneficial ownership of the shares held by VVC IV, except to the extent of its pecuniary interest therein.

SEC source: 0000899243-24-000269 · doc4.xml · nonDerivative · entry 3

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 148,312

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.

F1 · price: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F4 · ownership.nature: The shares are held directly by Versant Vantage I, L.P. ("VV I"). Versant Vantage I GP, L.P. ("VV I GP") is the general partner of VV I, and Versant Vantage I GP-GP, LLC ("VV I GP-GP") is the general partner of VV I GP. Each of VV I GP-GP and VV I GP disclaims beneficial ownership of the shares held by VV I, except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-24-000269 · doc4.xml · nonDerivative · entry 2

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 2,531

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.

F1 · price: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F3 · ownership.nature: The shares are held directly by Versant Side Fund IV, L.P. ("VSF IV"). VV IV GP is the general partner of VSF IV and disclaims beneficial ownership of the shares held by VSF IV, except to the extent of its pecuniary interest therein.

SEC source: 0000899243-24-000269 · doc4.xml · nonDerivative · entry 1

Versant Venture Capital VI, L.P. · CIK 0001687880 · 10% owner

Versant Ventures VI GP, L.P. · CIK 0001777654 · 10% owner

Versant Ventures VI GP-GP, LLC · CIK 0001777652 · 10% owner

Versant Vantage I, L.P. · CIK 0001765253 · 10% owner

Versant Vantage I GP, L.P. · CIK 0001777651 · 10% owner

Versant Vantage I GP-GP, LLC · CIK 0001777653 · 10% owner

Versant Venture Capital IV, L.P. · CIK 0001456590 · 10% owner

Versant Side Fund IV, L.P. · CIK 0001456591 · 10% owner

Versant Ventures IV, LLC · CIK 0001456589 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 391,785

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.

F1 · price: Upon the closing of the Issuer's initial public offering (the "IPO"), such shares of the Series A Preferred Stock, the Series A-1 Preferred Stock, the Series B Preferred Stock and the Series C Preferred Stock (collectively, the "Preferred Stock") converted automatically into shares of the Issuer's Class A common stock (the "Class A Common Stock"), on a one-for-one basis for no additional consideration. The Preferred Stock had no expiration date.

F2 · ownership.nature: The shares are held directly by Versant Venture Capital IV, L.P. ("VVC IV"). Versant Ventures IV, LLC ("VV IV GP") is the general partner of VVC IV and disclaims beneficial ownership of the shares held by VVC IV, except to the extent of its pecuniary interest therein.