Foresite Capital Fund IV, L.P.

SEC source: 0001104659-26-011662 · tm265543-1_4seq1.xml · derivative · entry 29

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 458,855 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares of Common Stock and has no expiration date.

F3 · 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: 0001104659-26-011662 · tm265543-1_4seq1.xml · derivative · entry 28

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 229,428 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund IV, L.P. ("Fund IV"). Foresite Capital Management IV, LLC ("FCM IV") is the general partner of Fund IV and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM IV, 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 IV, disclaims beneficial ownership of the shares held by Fund IV, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-26-011662 · tm265543-1_4seq1.xml · derivative · entry 27

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 38,133 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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. Each of the Reporting Persons disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and, other than Opportunity Fund V, 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: 0001104659-26-011662 · tm265543-1_4seq1.xml · derivative · entry 26

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 67,207 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares of Common Stock and has no expiration date.

F3 · 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: 0001104659-26-011662 · tm265543-1_4seq1.xml · derivative · entry 25

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 922 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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. Each of the Reporting Persons disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and, other than Opportunity Fund V, 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: 0001104659-26-011662 · tm265543-1_4seq1.xml · derivative · entry 24

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,626 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares of Common Stock and has no expiration date.

F3 · 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: 0001104659-26-011662 · tm265543-1_4seq1.xml · derivative · entry 23

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 408,725 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares of Common Stock and has no expiration date.

F5 · ownership.nature: The shares are held of record by Foresite Capital VI-A, LLC ("Fund VI-A"). Foresite Capital VI-A Management, LLC ("FC VI-A Management") is the general partner of Fund VI-A and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FC VI-A Management, 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 Exchange Act, and, other than Fund VI-A, disclaims beneficial ownership of the shares held by Fund VI-A, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-26-011662 · tm265543-1_4seq1.xml · derivative · entry 22

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 37,855 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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. Each of the Reporting Persons disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and, other than Opportunity Fund V, 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: 0001104659-26-011662 · tm265543-1_4seq1.xml · derivative · entry 21

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 37,855 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares of Common Stock and has no expiration date.

F3 · 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: 0001104659-26-011662 · tm265543-1_4seq1.xml · derivative · entry 20

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 37,855 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund IV, L.P. ("Fund IV"). Foresite Capital Management IV, LLC ("FCM IV") is the general partner of Fund IV and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM IV, 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 IV, disclaims beneficial ownership of the shares held by Fund IV, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-26-011662 · tm265543-1_4seq1.xml · derivative · entry 19

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 348,942 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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. Each of the Reporting Persons disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and, other than Opportunity Fund V, 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: 0001104659-26-011662 · tm265543-1_4seq1.xml · derivative · entry 18

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 697,885 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares of Common Stock and has no expiration date.

F3 · 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: 0001104659-26-011662 · tm265543-1_4seq1.xml · derivative · entry 17

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 335,521 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund IV, L.P. ("Fund IV"). Foresite Capital Management IV, LLC ("FCM IV") is the general partner of Fund IV and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM IV, 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 IV, disclaims beneficial ownership of the shares held by Fund IV, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-26-011662 · tm265543-1_4seq1.xml · derivative · entry 16

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,340,878 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund IV, L.P. ("Fund IV"). Foresite Capital Management IV, LLC ("FCM IV") is the general partner of Fund IV and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM IV, 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 IV, disclaims beneficial ownership of the shares held by Fund IV, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-26-011662 · tm265543-1_4seq1.xml · nonDerivative · entry 15

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 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: 1,318,983

F3 · 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: 0001104659-26-011662 · tm265543-1_4seq1.xml · nonDerivative · entry 14

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 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: 408,725

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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares of Common Stock and has no expiration date.

F5 · ownership.nature: The shares are held of record by Foresite Capital VI-A, LLC ("Fund VI-A"). Foresite Capital VI-A Management, LLC ("FC VI-A Management") is the general partner of Fund VI-A and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FC VI-A Management, 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 Exchange Act, and, other than Fund VI-A, disclaims beneficial ownership of the shares held by Fund VI-A, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-26-011662 · tm265543-1_4seq1.xml · nonDerivative · entry 13

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 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: 425,852

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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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. Each of the Reporting Persons disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and, other than Opportunity Fund V, 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: 0001104659-26-011662 · tm265543-1_4seq1.xml · nonDerivative · entry 12

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 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: 387,719

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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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. Each of the Reporting Persons disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and, other than Opportunity Fund V, 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: 0001104659-26-011662 · tm265543-1_4seq1.xml · nonDerivative · entry 11

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 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: 386,797

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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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. Each of the Reporting Persons disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and, other than Opportunity Fund V, 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: 0001104659-26-011662 · tm265543-1_4seq1.xml · nonDerivative · entry 10

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 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: 348,942

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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares 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. Each of the Reporting Persons disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and, other than Opportunity Fund V, 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: 0001104659-26-011662 · tm265543-1_4seq1.xml · nonDerivative · entry 9

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 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: 1,263,428

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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares of Common Stock and has no expiration date.

F3 · 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: 0001104659-26-011662 · tm265543-1_4seq1.xml · nonDerivative · entry 8

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 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: 804,573

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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares of Common Stock and has no expiration date.

F3 · 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: 0001104659-26-011662 · tm265543-1_4seq1.xml · nonDerivative · entry 7

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 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: 737,366

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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares of Common Stock and has no expiration date.

F3 · 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: 0001104659-26-011662 · tm265543-1_4seq1.xml · nonDerivative · entry 6

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 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: 735,740

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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares of Common Stock and has no expiration date.

F3 · 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: 0001104659-26-011662 · tm265543-1_4seq1.xml · nonDerivative · entry 5

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 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: 697,885

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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares of Common Stock and has no expiration date.

F3 · 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: 0001104659-26-011662 · tm265543-1_4seq1.xml · nonDerivative · entry 4

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 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: 1,943,682

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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund IV, L.P. ("Fund IV"). Foresite Capital Management IV, LLC ("FCM IV") is the general partner of Fund IV and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM IV, 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 IV, disclaims beneficial ownership of the shares held by Fund IV, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-26-011662 · tm265543-1_4seq1.xml · nonDerivative · entry 3

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 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: 1,714,254

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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund IV, L.P. ("Fund IV"). Foresite Capital Management IV, LLC ("FCM IV") is the general partner of Fund IV and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM IV, 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 IV, disclaims beneficial ownership of the shares held by Fund IV, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-26-011662 · tm265543-1_4seq1.xml · nonDerivative · entry 2

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 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: 1,676,399

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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund IV, L.P. ("Fund IV"). Foresite Capital Management IV, LLC ("FCM IV") is the general partner of Fund IV and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM IV, 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 IV, disclaims beneficial ownership of the shares held by Fund IV, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-26-011662 · tm265543-1_4seq1.xml · nonDerivative · entry 1

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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 VI-A Management, LLC · CIK 0001899218 · 10% owner

Foresite Capital VI-A, LLC · CIK 0001899120 · 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: 1,340,878

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 A Preferred Stock, Series A-1 Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.1340878 shares of Common Stock and has no expiration date.

F2 · ownership.nature: The shares are held of record by Foresite Capital Fund IV, L.P. ("Fund IV"). Foresite Capital Management IV, LLC ("FCM IV") is the general partner of Fund IV and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), the managing member of FCM IV, 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 IV, disclaims beneficial ownership of the shares held by Fund IV, except to the extent of such person's pecuniary interest in such securities.

SEC source: 0001104659-24-044187 · tm2411018-1_4seq1.xml · nonDerivative · entry 3

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · price: Disposed of pursuant to that certain Agreement and Plan of Merger, dated February 16, 2024, by and between the Issuer, XOMA Corporation and XRA 1 Corp. in exchange for (i) $2.5879 in cash per share, plus (ii) one non-transferable contingent value right per share.

F4 · ownership.nature: The shares are owned directly 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 these shares. Dr. Tananbaum is the sole managing member of FCOM V and may be deemed to have sole voting and dispositive power over these shares. Each Reporting Person disclaims the existence of a "group." Each of FCOM V and Dr. Tananbaum disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that FCOM V or Dr. Tananbaum is the beneficial owner of these shares for purposes of Section 16 or any other purpose.

SEC source: 0001104659-24-044187 · tm2411018-1_4seq1.xml · nonDerivative · entry 2

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · price: Disposed of pursuant to that certain Agreement and Plan of Merger, dated February 16, 2024, by and between the Issuer, XOMA Corporation and XRA 1 Corp. in exchange for (i) $2.5879 in cash per share, plus (ii) one non-transferable contingent value right per share.

F3 · ownership.nature: The shares are owned directly 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 these shares. Dr. Tananbaum is the sole managing member of FCM V and may be deemed to have sole voting and dispositive power over these shares. Each Reporting Person disclaims the existence of a "group." Each of FCM V and Dr. Tananbaum disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that FCM V or Dr. Tananbaum is the beneficial owner of these shares for purposes of Section 16 or any other purpose.

SEC source: 0001104659-24-044187 · tm2411018-1_4seq1.xml · nonDerivative · entry 1

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · price: Disposed of pursuant to that certain Agreement and Plan of Merger, dated February 16, 2024, by and between the Issuer, XOMA Corporation and XRA 1 Corp. in exchange for (i) $2.5879 in cash per share, plus (ii) one non-transferable contingent value right per share.

F2 · ownership.nature: The shares are owned directly by Foresite Capital Fund IV, L.P. ("Fund IV"). Foresite Capital Management IV, LLC ("FCM IV") is the general partner of Fund IV and may be deemed to have sole voting and dispositive power over these shares. James B. Tananbaum ("Dr. Tananbaum"), in his capacity as the sole managing member of FCM IV, may be deemed to have sole voting and dispositive power over these shares. Each Reporting Person disclaims the existence of a "group." Each of FCM IV and Dr. Tananbaum disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that FCM IV or Dr. Tananbaum is the beneficial owner of these shares for purposes of Section 16 or any other purpose.

SEC source: 0001209191-23-028527 · doc4.xml · nonDerivative · entry 2

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

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

Foresite Capital Opportunity Management V, LLC · CIK 0001792207 · 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: 520,711

F2 · ownership.nature: The shares are owned directly 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 these shares. Dr. Tananbaum is the sole managing member of FCOM V and may be deemed to have sole voting and dispositive power over these shares. Each Reporting Person disclaims the existence of a "group." Each of FCOM V and Dr. Tananbaum disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that FCOM V or Dr. Tananbaum is the beneficial owner of these shares for purposes of Section 16 or any other purpose.

SEC source: 0001209191-23-028527 · doc4.xml · nonDerivative · entry 1

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

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

Foresite Capital Opportunity Management V, LLC · CIK 0001792207 · 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: 3,525,957

F1 · ownership.nature: The shares are owned directly 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 these shares. James B. Tananbaum ("Dr. Tananbaum") is the sole managing member of FCM V and may be deemed to have sole voting and dispositive power over these shares. Each Reporting Person disclaims the existence of a "group." Each of FCM V and Dr. Tananbaum disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that FCM V or Dr. Tananbaum is the beneficial owner of these shares for purposes of Section 16 or any other purpose.

SEC source: 0001209191-23-011565 · doc4.xml · nonDerivative · entry 1

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,975,001

F1 · kind: On February 17, 2023, the Issuer completed the acquisition of Kinnjiu Biompharma, Inc. (the "Kinnjiu Acquisition"). Foresite Capital Fund V, L.P. ("Fund V") was a shareholder of Kinnjiu Biompharma, Inc. and, as a result of the Kinnjiu Acquisition, Fund V received a combination of cash and 1,100,000 shares of the Issuer's Common Stock.

F2 · shares: Received in exchange for 17,500,000 shares of Kinnjiu Biopharma, Inc. in connection with the Kinnjiu Acquisition. The number of shares received was determined based on a volume weighted average price per share of $6.7757.

F2 · price: Received in exchange for 17,500,000 shares of Kinnjiu Biopharma, Inc. in connection with the Kinnjiu Acquisition. The number of shares received was determined based on a volume weighted average price per share of $6.7757.

F3 · ownership.nature: The shares are owned directly by 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 these shares. James B. Tananbaum ("Dr. Tananbaum") is the sole managing member of FCM V and may be deemed to have sole voting and dispositive power over these shares. Each Reporting Person disclaims the existence of a "group." Each of FCM V and Dr. Tananbaum disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that FCM V or Dr. Tananbaum is the beneficial owner of these shares for purposes of Section 16 or any other purpose.

SEC source: 0001209191-21-062697 · doc4.xml · nonDerivative · entry 4

Foresite Capital Management III, LLC · CIK 0001645157 · 10% owner

Foresite Capital Fund III, L.P. · CIK 0001645158 · 10% owner

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

Tananbaum James B. · CIK 0001581754 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 8,276

F5 · kind: Represents shares received by the James B. Tananbaum and Dana Shonfeld Tananbaum Family Trust pursuant to pro rata distributions by Fund III and FCM III, for no consideration, of shares of the Issuer's Common Stock to their respective partners or members, as applicable. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These shares are held of record by a family trust for which Mr. Tananbaum is a trustee. Each of the Reporting Persons disclaims the existence of a "group" and, other than Mr. Tananbaum, disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-062697 · doc4.xml · nonDerivative · entry 1

Foresite Capital Management III, LLC · CIK 0001645157 · 10% owner

Foresite Capital Fund III, L.P. · CIK 0001645158 · 10% owner

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

Tananbaum James B. · CIK 0001581754 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · kind: On November 1, 2021, Foresite Capital Fund III, L.P. ("Fund III") distributed, for no consideration, 1,954,904 shares of the Issuer's Common Stock (the "Fund III Shares") to its limited partners and to Foresite Capital Management III, LLC ("FCM III"), the general partner of Fund III, representing each such partner's pro rata interest in such Fund III Shares. On the same date, FCM III distributed, for no consideration, the Fund III Shares it received in the distribution by Fund III to its members, representing each such member's pro rata interest in such Fund III Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.nature: The shares are owned directly by Fund III. FCM III is the general partner of Fund III, may be deemed to have sole voting and dispositive power over these shares. James B. Tananbaum ("Mr. Tananbaum") is the sole managing member of FCM III and may be deemed to have sole voting and dispositive power over these shares. Each Reporting Person disclaims the existence of a "group." Each of FCM III and Mr. Tananbaum disclaims beneficial ownership of any of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that FCM III or Mr. Tananbaum is the beneficial owner of these shares for purposes of Section 16 or any other purpose.

SEC source: 0001209191-20-062449 · doc4.xml · derivative · entry 12

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 48,538 shares

Expires not disclosed

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

F6 · derivative.exercise_price: Each share of the issuer's Series C Preferred Stock automatically converted into 1.00335008 share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F6 · derivative.exercise_date: Each share of the issuer's Series C Preferred Stock automatically converted into 1.00335008 share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F6 · derivative.expiration_date: Each share of the issuer's Series C Preferred Stock automatically converted into 1.00335008 share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F3 · ownership.nature: The shares are owned directly 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 these shares. James B. Tananbaum ("Dr. Tananbaum") is the sole managing member of FCOM V and may be deemed to have sole voting and dispositive power over these shares. Each Reporting Person disclaims the existence of a "group." Each of FCOM V and Dr. Tananbaum disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that FCOM V or Dr. Tananbaum is the beneficial owner of these shares for purposes of Section 16 or any other purpose.

SEC source: 0001209191-20-062449 · doc4.xml · derivative · entry 11

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 145,614 shares

Expires not disclosed

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

F6 · derivative.exercise_price: Each share of the issuer's Series C Preferred Stock automatically converted into 1.00335008 share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F6 · derivative.exercise_date: Each share of the issuer's Series C Preferred Stock automatically converted into 1.00335008 share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F6 · derivative.expiration_date: Each share of the issuer's Series C Preferred Stock automatically converted into 1.00335008 share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F3 · ownership.nature: The shares are owned directly 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 these shares. James B. Tananbaum ("Dr. Tananbaum") is the sole managing member of FCOM V and may be deemed to have sole voting and dispositive power over these shares. Each Reporting Person disclaims the existence of a "group." Each of FCOM V and Dr. Tananbaum disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that FCOM V or Dr. Tananbaum is the beneficial owner of these shares for purposes of Section 16 or any other purpose.

SEC source: 0001209191-20-062449 · doc4.xml · derivative · entry 10

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 157,748 shares

Expires not disclosed

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

F6 · derivative.exercise_price: Each share of the issuer's Series C Preferred Stock automatically converted into 1.00335008 share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F6 · derivative.exercise_date: Each share of the issuer's Series C Preferred Stock automatically converted into 1.00335008 share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F6 · derivative.expiration_date: Each share of the issuer's Series C Preferred Stock automatically converted into 1.00335008 share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F3 · ownership.nature: The shares are owned directly 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 these shares. James B. Tananbaum ("Dr. Tananbaum") is the sole managing member of FCOM V and may be deemed to have sole voting and dispositive power over these shares. Each Reporting Person disclaims the existence of a "group." Each of FCOM V and Dr. Tananbaum disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that FCOM V or Dr. Tananbaum is the beneficial owner of these shares for purposes of Section 16 or any other purpose.

SEC source: 0001209191-20-062449 · doc4.xml · derivative · entry 9

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 18,641 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.

F5 · derivative.exercise_price: Each share of the issuer's Series B Preferred Stock automatically converted into one share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F5 · derivative.exercise_date: Each share of the issuer's Series B Preferred Stock automatically converted into one share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F5 · derivative.expiration_date: Each share of the issuer's Series B Preferred Stock automatically converted into one share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F2 · ownership.nature: The shares are owned directly 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 these shares. James B. Tananbaum ("Dr. Tananbaum") is the sole managing member of FCM V and may be deemed to have sole voting and dispositive power over these shares. Each Reporting Person disclaims the existence of a "group." Each of FCM V and Dr. Tananbaum disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that FCM V or Dr. Tananbaum is the beneficial owner of these shares for purposes of Section 16 or any other purpose.

SEC source: 0001209191-20-062449 · doc4.xml · derivative · entry 8

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 55,922 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.

F5 · derivative.exercise_price: Each share of the issuer's Series B Preferred Stock automatically converted into one share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F5 · derivative.exercise_date: Each share of the issuer's Series B Preferred Stock automatically converted into one share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F5 · derivative.expiration_date: Each share of the issuer's Series B Preferred Stock automatically converted into one share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F2 · ownership.nature: The shares are owned directly 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 these shares. James B. Tananbaum ("Dr. Tananbaum") is the sole managing member of FCM V and may be deemed to have sole voting and dispositive power over these shares. Each Reporting Person disclaims the existence of a "group." Each of FCM V and Dr. Tananbaum disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that FCM V or Dr. Tananbaum is the beneficial owner of these shares for purposes of Section 16 or any other purpose.

SEC source: 0001209191-20-062449 · doc4.xml · derivative · entry 7

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 2,666,002 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.

F5 · derivative.exercise_price: Each share of the issuer's Series B Preferred Stock automatically converted into one share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F5 · derivative.exercise_date: Each share of the issuer's Series B Preferred Stock automatically converted into one share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F5 · derivative.expiration_date: Each share of the issuer's Series B Preferred Stock automatically converted into one share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F2 · ownership.nature: The shares are owned directly 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 these shares. James B. Tananbaum ("Dr. Tananbaum") is the sole managing member of FCM V and may be deemed to have sole voting and dispositive power over these shares. Each Reporting Person disclaims the existence of a "group." Each of FCM V and Dr. Tananbaum disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that FCM V or Dr. Tananbaum is the beneficial owner of these shares for purposes of Section 16 or any other purpose.

SEC source: 0001209191-20-062449 · doc4.xml · derivative · entry 6

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 99,488 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.

F4 · derivative.exercise_price: Each share of the issuer's Series A Preferred Stock automatically converted into one share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F4 · derivative.exercise_date: Each share of the issuer's Series A Preferred Stock automatically converted into one share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F4 · derivative.expiration_date: Each share of the issuer's Series A Preferred Stock automatically converted into one share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F1 · ownership.nature: The shares are owned directly by Foresite Capital Fund IV, L.P. ("Fund IV"). Foresite Capital Management IV, LLC ("FCM IV") is the general partner of Fund IV and may be deemed to have sole voting and dispositive power over these shares. James B. Tananbaum ("Dr. Tananbaum"), in his capacity as the sole managing member of FCM IV, may be deemed to have sole voting and dispositive power over these shares. Each Reporting Person disclaims the existence of a "group." Each of FCM IV and Dr. Tananbaum disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that FCM IV or Dr. Tananbaum is the beneficial owner of these shares for purposes of Section 16 or any other purpose.

SEC source: 0001209191-20-062449 · doc4.xml · derivative · entry 5

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 298,465 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.

F4 · derivative.exercise_price: Each share of the issuer's Series A Preferred Stock automatically converted into one share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F4 · derivative.exercise_date: Each share of the issuer's Series A Preferred Stock automatically converted into one share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F4 · derivative.expiration_date: Each share of the issuer's Series A Preferred Stock automatically converted into one share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F1 · ownership.nature: The shares are owned directly by Foresite Capital Fund IV, L.P. ("Fund IV"). Foresite Capital Management IV, LLC ("FCM IV") is the general partner of Fund IV and may be deemed to have sole voting and dispositive power over these shares. James B. Tananbaum ("Dr. Tananbaum"), in his capacity as the sole managing member of FCM IV, may be deemed to have sole voting and dispositive power over these shares. Each Reporting Person disclaims the existence of a "group." Each of FCM IV and Dr. Tananbaum disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that FCM IV or Dr. Tananbaum is the beneficial owner of these shares for purposes of Section 16 or any other purpose.

SEC source: 0001209191-20-062449 · doc4.xml · derivative · entry 4

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 6,347,893 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.

F4 · derivative.exercise_price: Each share of the issuer's Series A Preferred Stock automatically converted into one share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F4 · derivative.exercise_date: Each share of the issuer's Series A Preferred Stock automatically converted into one share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F4 · derivative.expiration_date: Each share of the issuer's Series A Preferred Stock automatically converted into one share of Common Stock immediately prior to the completion of the issuer's public offering and had no expiration date.

F1 · ownership.nature: The shares are owned directly by Foresite Capital Fund IV, L.P. ("Fund IV"). Foresite Capital Management IV, LLC ("FCM IV") is the general partner of Fund IV and may be deemed to have sole voting and dispositive power over these shares. James B. Tananbaum ("Dr. Tananbaum"), in his capacity as the sole managing member of FCM IV, may be deemed to have sole voting and dispositive power over these shares. Each Reporting Person disclaims the existence of a "group." Each of FCM IV and Dr. Tananbaum disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that FCM IV or Dr. Tananbaum is the beneficial owner of these shares for purposes of Section 16 or any other purpose.

SEC source: 0001209191-20-062449 · doc4.xml · nonDerivative · entry 3

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 291,667

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.

F3 · ownership.nature: The shares are owned directly 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 these shares. James B. Tananbaum ("Dr. Tananbaum") is the sole managing member of FCOM V and may be deemed to have sole voting and dispositive power over these shares. Each Reporting Person disclaims the existence of a "group." Each of FCOM V and Dr. Tananbaum disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that FCOM V or Dr. Tananbaum is the beneficial owner of these shares for purposes of Section 16 or any other purpose.

SEC source: 0001209191-20-062449 · doc4.xml · nonDerivative · entry 2

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 875,001

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 · ownership.nature: The shares are owned directly 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 these shares. James B. Tananbaum ("Dr. Tananbaum") is the sole managing member of FCM V and may be deemed to have sole voting and dispositive power over these shares. Each Reporting Person disclaims the existence of a "group." Each of FCM V and Dr. Tananbaum disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that FCM V or Dr. Tananbaum is the beneficial owner of these shares for purposes of Section 16 or any other purpose.

SEC source: 0001209191-20-062449 · doc4.xml · nonDerivative · entry 1

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 9,671,643

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 · ownership.nature: The shares are owned directly by Foresite Capital Fund IV, L.P. ("Fund IV"). Foresite Capital Management IV, LLC ("FCM IV") is the general partner of Fund IV and may be deemed to have sole voting and dispositive power over these shares. James B. Tananbaum ("Dr. Tananbaum"), in his capacity as the sole managing member of FCM IV, may be deemed to have sole voting and dispositive power over these shares. Each Reporting Person disclaims the existence of a "group." Each of FCM IV and Dr. Tananbaum disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that FCM IV or Dr. Tananbaum is the beneficial owner of these shares for purposes of Section 16 or any other purpose.

SEC source: 0001209191-20-061877 · doc4.xml · nonDerivative · entry 3

Foresite Capital Management IV, LLC · CIK 0001704132 · 10% owner

Foresite Capital Fund IV, L.P. · CIK 0001704131 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 125,000

F3 · ownership.nature: The shares are owned directly 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 these shares. James B. Tananbaum ("Dr. Tananbaum") is the sole managing member of FCOM V and may be deemed to have sole voting and dispositive power over these shares. Each Reporting Person disclaims the existence of a "group." Each of FCOM V and Dr. Tananbaum disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that FCOM V or Dr. Tananbaum is the beneficial owner of these shares for purposes of Section 16 or any other purpose.