ALMS

SEC source: 0001104659-24-077876 · tm2418840-2_4seq1.xml · nonDerivative · entry 3

Foresite Capital Management V, LLC · CIK 0001792206 · 10% owner

Foresite Capital Fund V, L.P. · CIK 0001792204 · 10% owner

Foresite Capital Opportunity Management V, LLC · CIK 0001792207 · 10% owner

Foresite Capital Opportunity Fund V, L.P. · CIK 0001792205 · 10% owner

Foresite Capital Management VI LLC · CIK 0002013341 · 10% owner

Foresite Capital Fund VI LP · CIK 0001932516 · 10% owner

Labs Co-Invest V, LLC · CIK 0001810063 · 10% owner

Foresite Labs Management I, LLC · CIK 0001848577 · 10% owner

Foresite Labs Fund I, L.P. · CIK 0001848472 · 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: 3,627,647

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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund V, L.P. ("Fund V"). Foresite Capital Management V, LLC ("FCM V") is the general partner of Fund V and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM V, may be deemed to have sole voting and dispositive power over such shares. Each of the Reporting Persons disclaims the existence of a "group", as defined in Rule 13d-5 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and, other than Fund V, disclaims beneficial ownership of the shares held by Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077876 · tm2418840-2_4seq1.xml · nonDerivative · entry 2

Foresite Capital Management V, LLC · CIK 0001792206 · 10% owner

Foresite Capital Fund V, L.P. · CIK 0001792204 · 10% owner

Foresite Capital Opportunity Management V, LLC · CIK 0001792207 · 10% owner

Foresite Capital Opportunity Fund V, L.P. · CIK 0001792205 · 10% owner

Foresite Capital Management VI LLC · CIK 0002013341 · 10% owner

Foresite Capital Fund VI LP · CIK 0001932516 · 10% owner

Labs Co-Invest V, LLC · CIK 0001810063 · 10% owner

Foresite Labs Management I, LLC · CIK 0001848577 · 10% owner

Foresite Labs Fund I, L.P. · CIK 0001848472 · 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: 3,067,571

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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund V, L.P. ("Fund V"). Foresite Capital Management V, LLC ("FCM V") is the general partner of Fund V and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM V, may be deemed to have sole voting and dispositive power over such shares. Each of the Reporting Persons disclaims the existence of a "group", as defined in Rule 13d-5 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and, other than Fund V, disclaims beneficial ownership of the shares held by Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077876 · tm2418840-2_4seq1.xml · nonDerivative · entry 1

Foresite Capital Management V, LLC · CIK 0001792206 · 10% owner

Foresite Capital Fund V, L.P. · CIK 0001792204 · 10% owner

Foresite Capital Opportunity Management V, LLC · CIK 0001792207 · 10% owner

Foresite Capital Opportunity Fund V, L.P. · CIK 0001792205 · 10% owner

Foresite Capital Management VI LLC · CIK 0002013341 · 10% owner

Foresite Capital Fund VI LP · CIK 0001932516 · 10% owner

Labs Co-Invest V, LLC · CIK 0001810063 · 10% owner

Foresite Labs Management I, LLC · CIK 0001848577 · 10% owner

Foresite Labs Fund I, L.P. · CIK 0001848472 · 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: 1,944,577

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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund V, L.P. ("Fund V"). Foresite Capital Management V, LLC ("FCM V") is the general partner of Fund V and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM V, may be deemed to have sole voting and dispositive power over such shares. Each of the Reporting Persons disclaims the existence of a "group", as defined in Rule 13d-5 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and, other than Fund V, disclaims beneficial ownership of the shares held by Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · derivative · entry 33

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 681,598 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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F5 · ownership.nature: The shares are held of record by Foresite Labs Fund I, L.P. ("Labs Fund I"). Foresite Labs Management I, LLC ("FLM I") is the general partner of Labs Fund I and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FLM I, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Labs Fund I, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · derivative · entry 32

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,703,998 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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F6 · ownership.nature: The shares are held of record by Foresite Capital Fund VI, L.P. ("Fund VI"). Foresite Capital Management VI, LLC ("FCM VI") is the general partner of Fund VI and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FCM VI, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Fund VI, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · derivative · entry 31

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 681,598 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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F4 · ownership.nature: The shares are held of record by Foresite Capital Opportunity Fund V, L.P. ("Opportunity Fund V"). Foresite Capital Opportunity Management V, LLC ("FCOM V") is the general partner of Opportunity Fund V and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FCOM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Opportunity Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · derivative · entry 30

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,022,398 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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund V, L.P. ("Fund V"). Foresite Capital Management V, LLC ("FCM V") is the general partner of Fund V and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and disclaims beneficial ownership of the shares held by Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · derivative · entry 29

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 311,172 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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F5 · ownership.nature: The shares are held of record by Foresite Labs Fund I, L.P. ("Labs Fund I"). Foresite Labs Management I, LLC ("FLM I") is the general partner of Labs Fund I and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FLM I, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Labs Fund I, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · derivative · entry 28

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 311,172 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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F6 · ownership.nature: The shares are held of record by Foresite Capital Fund VI, L.P. ("Fund VI"). Foresite Capital Management VI, LLC ("FCM VI") is the general partner of Fund VI and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FCM VI, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Fund VI, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · derivative · entry 27

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 311,172 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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F4 · ownership.nature: The shares are held of record by Foresite Capital Opportunity Fund V, L.P. ("Opportunity Fund V"). Foresite Capital Opportunity Management V, LLC ("FCOM V") is the general partner of Opportunity Fund V and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FCOM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Opportunity Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · derivative · entry 26

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 622,344 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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund V, L.P. ("Fund V"). Foresite Capital Management V, LLC ("FCM V") is the general partner of Fund V and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and disclaims beneficial ownership of the shares held by Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · derivative · entry 25

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 967,567 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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F5 · ownership.nature: The shares are held of record by Foresite Labs Fund I, L.P. ("Labs Fund I"). Foresite Labs Management I, LLC ("FLM I") is the general partner of Labs Fund I and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FLM I, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Labs Fund I, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · derivative · entry 24

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 560,076 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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F4 · ownership.nature: The shares are held of record by Foresite Capital Opportunity Fund V, L.P. ("Opportunity Fund V"). Foresite Capital Opportunity Management V, LLC ("FCOM V") is the general partner of Opportunity Fund V and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FCOM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Opportunity Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · derivative · entry 23

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 560,076 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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund V, L.P. ("Fund V"). Foresite Capital Management V, LLC ("FCM V") is the general partner of Fund V and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and disclaims beneficial ownership of the shares held by Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · derivative · entry 22

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 481,283 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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F4 · ownership.nature: The shares are held of record by Foresite Capital Opportunity Fund V, L.P. ("Opportunity Fund V"). Foresite Capital Opportunity Management V, LLC ("FCOM V") is the general partner of Opportunity Fund V and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FCOM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Opportunity Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · derivative · entry 21

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,122,994 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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund V, L.P. ("Fund V"). Foresite Capital Management V, LLC ("FCM V") is the general partner of Fund V and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and disclaims beneficial ownership of the shares held by Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · derivative · entry 20

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 194,459 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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F3 · ownership.nature: The shares are held of record by Labs Co-Invest V, LLC ("Labs Co-Invest"). FCM V is the managing member of Labs Co-Invest and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FCM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Labs Co-Invest, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · derivative · entry 19

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,944,577 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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F1 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund V, L.P. ("Fund V"). Foresite Capital Management V, LLC ("FCM V") is the general partner of Fund V and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and disclaims beneficial ownership of the shares held by Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · nonDerivative · entry 17

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 4,202,670

F6 · ownership.nature: The shares are held of record by Foresite Capital Fund VI, L.P. ("Fund VI"). Foresite Capital Management VI, LLC ("FCM VI") is the general partner of Fund VI and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FCM VI, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Fund VI, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · nonDerivative · entry 16

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,015,170

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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F6 · ownership.nature: The shares are held of record by Foresite Capital Fund VI, L.P. ("Fund VI"). Foresite Capital Management VI, LLC ("FCM VI") is the general partner of Fund VI and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FCM VI, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Fund VI, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · nonDerivative · entry 15

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 311,172

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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F6 · ownership.nature: The shares are held of record by Foresite Capital Fund VI, L.P. ("Fund VI"). Foresite Capital Management VI, LLC ("FCM VI") is the general partner of Fund VI and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FCM VI, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Fund VI, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · nonDerivative · entry 14

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,960,337

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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F5 · ownership.nature: The shares are held of record by Foresite Labs Fund I, L.P. ("Labs Fund I"). Foresite Labs Management I, LLC ("FLM I") is the general partner of Labs Fund I and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FLM I, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Labs Fund I, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · nonDerivative · entry 13

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,278,739

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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F5 · ownership.nature: The shares are held of record by Foresite Labs Fund I, L.P. ("Labs Fund I"). Foresite Labs Management I, LLC ("FLM I") is the general partner of Labs Fund I and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FLM I, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Labs Fund I, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · nonDerivative · entry 12

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 967,567

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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F5 · ownership.nature: The shares are held of record by Foresite Labs Fund I, L.P. ("Labs Fund I"). Foresite Labs Management I, LLC ("FLM I") is the general partner of Labs Fund I and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FLM I, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Labs Fund I, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · nonDerivative · entry 11

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,034,129

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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F4 · ownership.nature: The shares are held of record by Foresite Capital Opportunity Fund V, L.P. ("Opportunity Fund V"). Foresite Capital Opportunity Management V, LLC ("FCOM V") is the general partner of Opportunity Fund V and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FCOM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Opportunity Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · nonDerivative · entry 10

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,352,531

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 · kind: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F4 · ownership.nature: The shares are held of record by Foresite Capital Opportunity Fund V, L.P. ("Opportunity Fund V"). Foresite Capital Opportunity Management V, LLC ("FCOM V") is the general partner of Opportunity Fund V and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FCOM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Opportunity Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · nonDerivative · entry 9

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,041,359

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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F4 · ownership.nature: The shares are held of record by Foresite Capital Opportunity Fund V, L.P. ("Opportunity Fund V"). Foresite Capital Opportunity Management V, LLC ("FCOM V") is the general partner of Opportunity Fund V and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FCOM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Opportunity Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · nonDerivative · entry 8

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 481,283

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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F4 · ownership.nature: The shares are held of record by Foresite Capital Opportunity Fund V, L.P. ("Opportunity Fund V"). Foresite Capital Opportunity Management V, LLC ("FCOM V") is the general partner of Opportunity Fund V and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FCOM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Opportunity Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · nonDerivative · entry 7

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 194,459

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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F3 · ownership.nature: The shares are held of record by Labs Co-Invest V, LLC ("Labs Co-Invest"). FCM V is the managing member of Labs Co-Invest and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FCM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Labs Co-Invest, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · nonDerivative · entry 6

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 5,584,889

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund V, L.P. ("Fund V"). Foresite Capital Management V, LLC ("FCM V") is the general partner of Fund V and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and disclaims beneficial ownership of the shares held by Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · nonDerivative · entry 5

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 5,272,389

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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund V, L.P. ("Fund V"). Foresite Capital Management V, LLC ("FCM V") is the general partner of Fund V and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and disclaims beneficial ownership of the shares held by Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · nonDerivative · entry 4

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 4,249,991

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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund V, L.P. ("Fund V"). Foresite Capital Management V, LLC ("FCM V") is the general partner of Fund V and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and disclaims beneficial ownership of the shares held by Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · nonDerivative · entry 3

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 3,627,647

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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund V, L.P. ("Fund V"). Foresite Capital Management V, LLC ("FCM V") is the general partner of Fund V and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and disclaims beneficial ownership of the shares held by Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · nonDerivative · entry 2

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 3,067,571

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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund V, L.P. ("Fund V"). Foresite Capital Management V, LLC ("FCM V") is the general partner of Fund V and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and disclaims beneficial ownership of the shares held by Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-077875 · tm2418840-1_4seq1.xml · nonDerivative · entry 1

Tananbaum James B. · CIK 0001581754 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,944,577

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: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock, Series B-1 Redeemable Convertible Preferred Stock, Series B-2 Redeemable Convertible Preferred Stock and Series C Redeemable Convertible Preferred Stock automatically converted into one share of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund V, L.P. ("Fund V"). Foresite Capital Management V, LLC ("FCM V") is the general partner of Fund V and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM V, may be deemed to have sole voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and disclaims beneficial ownership of the shares held by Fund V, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0000902664-24-004603 · ownership.xml · derivative · entry 5

AyurMaya Capital Management Company, LP · CIK 0001975990 · Director · 10% owner · See Remarks

GOEL DAVID E. · CIK 0001548144 · Director · 10% owner · See Remarks

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 2,726,398 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: Each share of preferred stock is convertible at any time, at the holder's election, into shares of Class A Common Stock on a 4.675-to-one basis (on an adjusted basis, after giving effect to the reverse stock split of the Class A Common Stock effected by the Issuer on June 20, 2024) and has no expiration date. Immediately prior to the completion of the Issuer's initial public offering of voting common stock (the "Common Stock") (the "IPO"), the shares of preferred stock reported herein automatically converted into the number of shares of Class A Common Stock in column 3.

F1 · derivative.exercise_date: Each share of preferred stock is convertible at any time, at the holder's election, into shares of Class A Common Stock on a 4.675-to-one basis (on an adjusted basis, after giving effect to the reverse stock split of the Class A Common Stock effected by the Issuer on June 20, 2024) and has no expiration date. Immediately prior to the completion of the Issuer's initial public offering of voting common stock (the "Common Stock") (the "IPO"), the shares of preferred stock reported herein automatically converted into the number of shares of Class A Common Stock in column 3.

F1 · derivative.expiration_date: Each share of preferred stock is convertible at any time, at the holder's election, into shares of Class A Common Stock on a 4.675-to-one basis (on an adjusted basis, after giving effect to the reverse stock split of the Class A Common Stock effected by the Issuer on June 20, 2024) and has no expiration date. Immediately prior to the completion of the Issuer's initial public offering of voting common stock (the "Common Stock") (the "IPO"), the shares of preferred stock reported herein automatically converted into the number of shares of Class A Common Stock in column 3.

F2 · derivative.underlying: Each share of Class A Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the IPO.

F3 · ownership.nature: The securities reported herein are held by AyurMaya Capital Management Fund, LP (the "AyurMaya Fund"). AyurMaya Capital Management Company, LP (the "Investment Manager"), a Delaware limited partnership, is the investment advisor to the AyurMaya Fund. Mr. David E. Goel ("Mr. Goel", and together with the Investment Manager, the "Reporting Persons"), serves as the managing member of AyurMaya Capital Management Company GP, LLC, the general partner of the Investment Manager.

F4 · ownership.nature: The filing of this statement shall not be deemed an admission that either of the Reporting Persons is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Act of 1934, as amended, or otherwise. Each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein except to the extent of its or his pecuniary interest therein.

SEC source: 0000902664-24-004603 · ownership.xml · derivative · entry 4

AyurMaya Capital Management Company, LP · CIK 0001975990 · Director · 10% owner · See Remarks

GOEL DAVID E. · CIK 0001548144 · Director · 10% owner · See Remarks

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 1,141,494 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: Each share of preferred stock is convertible at any time, at the holder's election, into shares of Class A Common Stock on a 4.675-to-one basis (on an adjusted basis, after giving effect to the reverse stock split of the Class A Common Stock effected by the Issuer on June 20, 2024) and has no expiration date. Immediately prior to the completion of the Issuer's initial public offering of voting common stock (the "Common Stock") (the "IPO"), the shares of preferred stock reported herein automatically converted into the number of shares of Class A Common Stock in column 3.

F1 · derivative.exercise_date: Each share of preferred stock is convertible at any time, at the holder's election, into shares of Class A Common Stock on a 4.675-to-one basis (on an adjusted basis, after giving effect to the reverse stock split of the Class A Common Stock effected by the Issuer on June 20, 2024) and has no expiration date. Immediately prior to the completion of the Issuer's initial public offering of voting common stock (the "Common Stock") (the "IPO"), the shares of preferred stock reported herein automatically converted into the number of shares of Class A Common Stock in column 3.

F1 · derivative.expiration_date: Each share of preferred stock is convertible at any time, at the holder's election, into shares of Class A Common Stock on a 4.675-to-one basis (on an adjusted basis, after giving effect to the reverse stock split of the Class A Common Stock effected by the Issuer on June 20, 2024) and has no expiration date. Immediately prior to the completion of the Issuer's initial public offering of voting common stock (the "Common Stock") (the "IPO"), the shares of preferred stock reported herein automatically converted into the number of shares of Class A Common Stock in column 3.

F2 · derivative.underlying: Each share of Class A Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the IPO.

F3 · ownership.nature: The securities reported herein are held by AyurMaya Capital Management Fund, LP (the "AyurMaya Fund"). AyurMaya Capital Management Company, LP (the "Investment Manager"), a Delaware limited partnership, is the investment advisor to the AyurMaya Fund. Mr. David E. Goel ("Mr. Goel", and together with the Investment Manager, the "Reporting Persons"), serves as the managing member of AyurMaya Capital Management Company GP, LLC, the general partner of the Investment Manager.

F4 · ownership.nature: The filing of this statement shall not be deemed an admission that either of the Reporting Persons is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Act of 1934, as amended, or otherwise. Each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein except to the extent of its or his pecuniary interest therein.

SEC source: 0000902664-24-004603 · ownership.xml · derivative · entry 3

AyurMaya Capital Management Company, LP · CIK 0001975990 · Director · 10% owner · See Remarks

GOEL DAVID E. · CIK 0001548144 · Director · 10% owner · See Remarks

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 4,278,074 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: Each share of preferred stock is convertible at any time, at the holder's election, into shares of Class A Common Stock on a 4.675-to-one basis (on an adjusted basis, after giving effect to the reverse stock split of the Class A Common Stock effected by the Issuer on June 20, 2024) and has no expiration date. Immediately prior to the completion of the Issuer's initial public offering of voting common stock (the "Common Stock") (the "IPO"), the shares of preferred stock reported herein automatically converted into the number of shares of Class A Common Stock in column 3.

F1 · derivative.exercise_date: Each share of preferred stock is convertible at any time, at the holder's election, into shares of Class A Common Stock on a 4.675-to-one basis (on an adjusted basis, after giving effect to the reverse stock split of the Class A Common Stock effected by the Issuer on June 20, 2024) and has no expiration date. Immediately prior to the completion of the Issuer's initial public offering of voting common stock (the "Common Stock") (the "IPO"), the shares of preferred stock reported herein automatically converted into the number of shares of Class A Common Stock in column 3.

F1 · derivative.expiration_date: Each share of preferred stock is convertible at any time, at the holder's election, into shares of Class A Common Stock on a 4.675-to-one basis (on an adjusted basis, after giving effect to the reverse stock split of the Class A Common Stock effected by the Issuer on June 20, 2024) and has no expiration date. Immediately prior to the completion of the Issuer's initial public offering of voting common stock (the "Common Stock") (the "IPO"), the shares of preferred stock reported herein automatically converted into the number of shares of Class A Common Stock in column 3.

F2 · derivative.underlying: Each share of Class A Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the IPO.

F3 · ownership.nature: The securities reported herein are held by AyurMaya Capital Management Fund, LP (the "AyurMaya Fund"). AyurMaya Capital Management Company, LP (the "Investment Manager"), a Delaware limited partnership, is the investment advisor to the AyurMaya Fund. Mr. David E. Goel ("Mr. Goel", and together with the Investment Manager, the "Reporting Persons"), serves as the managing member of AyurMaya Capital Management Company GP, LLC, the general partner of the Investment Manager.

F4 · ownership.nature: The filing of this statement shall not be deemed an admission that either of the Reporting Persons is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Act of 1934, as amended, or otherwise. Each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein except to the extent of its or his pecuniary interest therein.

SEC source: 0000902664-24-004603 · ownership.xml · nonDerivative · entry 2

AyurMaya Capital Management Company, LP · CIK 0001975990 · Director · 10% owner · See Remarks

GOEL DAVID E. · CIK 0001548144 · Director · 10% owner · See Remarks

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 10,645,966

F3 · ownership.nature: The securities reported herein are held by AyurMaya Capital Management Fund, LP (the "AyurMaya Fund"). AyurMaya Capital Management Company, LP (the "Investment Manager"), a Delaware limited partnership, is the investment advisor to the AyurMaya Fund. Mr. David E. Goel ("Mr. Goel", and together with the Investment Manager, the "Reporting Persons"), serves as the managing member of AyurMaya Capital Management Company GP, LLC, the general partner of the Investment Manager.

F4 · ownership.nature: The filing of this statement shall not be deemed an admission that either of the Reporting Persons is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Act of 1934, as amended, or otherwise. Each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein except to the extent of its or his pecuniary interest therein.

SEC source: 0000902664-24-004603 · ownership.xml · nonDerivative · entry 1

AyurMaya Capital Management Company, LP · CIK 0001975990 · Director · 10% owner · See Remarks

GOEL DAVID E. · CIK 0001548144 · Director · 10% owner · See Remarks

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 8,145,966

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 · security: Each share of Class A Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the IPO.

F1 · price: Each share of preferred stock is convertible at any time, at the holder's election, into shares of Class A Common Stock on a 4.675-to-one basis (on an adjusted basis, after giving effect to the reverse stock split of the Class A Common Stock effected by the Issuer on June 20, 2024) and has no expiration date. Immediately prior to the completion of the Issuer's initial public offering of voting common stock (the "Common Stock") (the "IPO"), the shares of preferred stock reported herein automatically converted into the number of shares of Class A Common Stock in column 3.

F3 · ownership.nature: The securities reported herein are held by AyurMaya Capital Management Fund, LP (the "AyurMaya Fund"). AyurMaya Capital Management Company, LP (the "Investment Manager"), a Delaware limited partnership, is the investment advisor to the AyurMaya Fund. Mr. David E. Goel ("Mr. Goel", and together with the Investment Manager, the "Reporting Persons"), serves as the managing member of AyurMaya Capital Management Company GP, LLC, the general partner of the Investment Manager.

F4 · ownership.nature: The filing of this statement shall not be deemed an admission that either of the Reporting Persons is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Act of 1934, as amended, or otherwise. Each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein except to the extent of its or his pecuniary interest therein.

SEC source: 0001415889-24-022292 · form4a-08272024_040801.xml · nonDerivative · entry 1

AKKARAJU SRINIVAS · CIK 0001253170 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Samsara BioCapital, L.P.

Disclosed balance after: 3,266,498

F1 · date: The original Form 4 inadvertently omitted the purchase of shares by Samsara in the Issuer's initial public offering.

F2 · ownership.nature: Shares are held directly by Samsara BioCapital, L.P. ("Samsara LP"). Samsara BioCapital GP, LLC ("Samsara GP") is the general partner of Samsara LP. The Reporting Person, as the managing member of Samsara GP, shares voting and investment authority over the shares held by Samsara LP. The Reporting Person disclaims beneficial ownership in these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-24-018591 · form4-07012024_080730.xml · derivative · entry 7

Bradley Mark Christopher · CIK 0002023657 · Chief Development Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,278

Underlying: Class A Common Stock · 4,278 shares

Expires 2034-06-26

F4 · derivative.exercise_date: 25% of the shares underlying this option vest on June 21, 2025, and the remaining shares vest in equal monthly installments thereafter over the following 36 months, subject to acceleration and the Reporting Person's continuous service to the Issuer on each such vesting date.

SEC source: 0001415889-24-018602 · form4-07012024_080725.xml · derivative · entry 1

Richardson Derrick · CIK 0002022896 · SVP, People and Culture

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,208

Underlying: Class A Common Stock · 3,208 shares

Expires 2034-06-26

F1 · derivative.exercise_date: 25% of the shares underlying this option vest on June 21, 2025, and the remaining shares vest in equal monthly installments thereafter over the following 36 months, subject to acceleration and the Reporting Person's continuous service to the Issuer on each such vesting date.

SEC source: 0001415889-24-018601 · form4-07012024_080748.xml · derivative · entry 3

Klein Sara · CIK 0002022981 · General Counsel - Corp Secy

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,556

Underlying: Class A Common Stock · 8,556 shares

Expires 2034-06-26

F2 · derivative.exercise_date: 25% of the shares underlying this option vest on June 21, 2025, and the remaining shares vest in equal monthly installments thereafter over the following 36 months, subject to acceleration and the Reporting Person's continuous service to the Issuer on each such vesting date.

SEC source: 0001415889-24-018608 · form4-07012024_080744.xml · derivative · entry 3

Yao Zhengbin · CIK 0001326228 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,016

Underlying: Class A Common Stock · 31,016 shares

Expires 2034-06-26

F2 · derivative.exercise_date: Option vests over a 3-year period, with 1/3 of the total number of shares subject to the option vesting on each of the first three anniversaries of June 21, 2024, subject to acceleration and the Reporting Person's continuous service to the Issuer on each such vesting date.

SEC source: 0001415889-24-018606 · form4-07012024_080705.xml · derivative · entry 1

Srivastava Sapna · CIK 0001569226 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,877

Underlying: Class A Common Stock · 28,877 shares

Expires 2034-06-26

F1 · derivative.exercise_date: Option vests over a 3-year period, with 1/3 of the total number of shares subject to the option vesting on each of the first three anniversaries of June 21, 2024, subject to acceleration and the Reporting Person's continuous service to the Issuer on each such vesting date.

SEC source: 0001415889-24-018604 · form4-07012024_080733.xml · derivative · entry 1

Machado Patrick · CIK 0001311210 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,000

Underlying: Class A Common Stock · 38,000 shares

Expires 2034-06-26

F1 · derivative.exercise_date: Option vests over a 3-year period, with 1/3 of the total number of shares subject to the option vesting on each of the first three anniversaries of June 21, 2024, subject to acceleration and the Reporting Person's continuous service to the Issuer on each such vesting date.

SEC source: 0001415889-24-018599 · form4-07012024_080709.xml · derivative · entry 1

Schroer John R. · CIK 0001744578 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,112

Underlying: Class A Common Stock · 17,112 shares

Expires 2034-06-26

F1 · derivative.exercise_date: 25% of the shares underlying this option vest on June 21, 2025, and the remaining shares vest in equal monthly installments thereafter over the following 36 months, subject to acceleration and the Reporting Person's continuous service to the Issuer on each such vesting date.

SEC source: 0001415889-24-018592 · form4-07012024_080720.xml · derivative · entry 1

Drappa Jorn · CIK 0001789317 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,347

Underlying: Class A Common Stock · 5,347 shares

Expires 2034-06-26

F1 · derivative.exercise_date: 25% of the shares underlying this option vest on June 21, 2025, and the remaining shares vest in equal monthly installments thereafter over the following 36 months, subject to acceleration and the Reporting Person's continuous service to the Issuer on each such vesting date.

SEC source: 0001415889-24-018589 · form4-07012024_080750.xml · derivative · entry 3

Babler Martin · CIK 0001435618 · Director · President, CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,390

Underlying: Class A Common Stock · 21,390 shares

Expires 2034-06-26

F3 · derivative.exercise_date: 25% of the shares underlying this option vest on June 21, 2025, and the remaining shares vest in equal monthly installments thereafter over the following 36 months, subject to acceleration and the Reporting Person's continuous service to the Issuer on each such vesting date.