Foresite Capital Management VI LLC

Row 1 · 2026-04-01 · Other · Disposed 1,176,470 · Balance 0

F1: Represents a pro rata, in-kind distribution, and not a purchase or sale, without additional consideration by Foresite Labs Affiliates 2021, LLC ("Labs Affiliates") to its members in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

F2: The shares are held of record by Labs Affiliates. Foresite Labs, LLC ("Labs") is the managing member of Labs Affiliates and may be deemed to have sole voting and dispositive power over such shares. James B. Tananbaum ("Tananbaum"), a manager of Labs, may be deemed to share 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 disclaims beneficial ownership of the shares held by Labs Affiliates, except to the extent of such person's pecuniary interest in such securities.

Row 2 · 2026-04-01 · Other · Acquired 1,123,337 · Balance 1,123,337

F3: Represents shares received by Labs pursuant to pro rata distributions by Labs Affiliates, for no consideration, to its members in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Exchange Act.

F4: The shares are held of record by Labs. Tananbaum, a manager of Labs, may be deemed to share 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 disclaims beneficial ownership of the shares held by Labs, except to the extent of such person's pecuniary interest in such securities.

Row 3 · 2026-04-01 · Other · Disposed 1,123,337 · Balance 0

F5: Represents a pro rata, in-kind distribution, and not a purchase or sale, without additional consideration by Labs to its members in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Exchange Act.

F4: The shares are held of record by Labs. Tananbaum, a manager of Labs, may be deemed to share 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 disclaims beneficial ownership of the shares held by Labs, except to the extent of such person's pecuniary interest in such securities.

Row 4 · 2026-04-01 · Other · Acquired 680,486 · Balance 680,486

F6: Represents shares received by TFL Investment Holdings, LLC ("TFL"). pursuant to pro rata distributions by Labs, for no consideration, to its members in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Exchange Act.

F7: The shares are held of record by TFL. Tananbaum is the manager of TFL, and James B. Tananbaum and Dana Shonfeld Tananbaum Family Trust, of which Tananbaum is a trustee, is the sole member of TFL. Each of the Reporting Persons disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and 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.

Row 5 · Balance 5,702,536

F8: 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. 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 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.

Row 6 · Balance 2,908,332

F9: 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.

Row 7 · Balance 4,247,670

F10: The shares are held of record by Foresite Capital Fund VI, L.P. ("Fund VI"). Foresite Capital Management VI, LLC ("FCM VI") is the general partner of Fund VI and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FCM VI, may be deemed to have sole voting and dispositive power over such shares. 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, disclaims beneficial ownership of the shares held by Fund VI, except to the extent of such person's pecuniary interest in such securities.

Row 8 · Balance 194,459

F11: The shares are held of record by Labs Co-Invest V, LLC ("Labs Co-Invest"). FCM V is the managing member of Labs Co-Invest and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FCM V, may be deemed to have sole voting and dispositive power over such shares. Each of the Reporting Persons disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and, other than Labs Co-Invest, disclaims beneficial ownership of the shares held by Labs Co-Invest, except to the extent of such person's pecuniary interest in such securities.

Row 9 · Balance 1,960,337

F12: The shares are held of record by Foresite Labs Fund I, L.P. ("Labs Fund I"). Foresite Labs Management I, LLC ("FLM I") is the general partner of Labs Fund I and may be deemed to have sole voting and dispositive power over such shares. Tananbaum, the managing member of FLM I, may be deemed to have sole voting and dispositive power over such shares. Each of the Reporting Persons disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and, other than Labs Fund I, disclaims beneficial ownership of the shares held by Labs Fund I, except to the extent of such person's pecuniary interest in such securities.

Row 1 · 2026-08-10 · Conversion · Acquired 3,117,664 · Balance 3,117,664

F1: Each share of the Issuer's preferred stock converted automatically into 1 share of common stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The preferred stock had no expiration date.

F2: The securities 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 the securities held by Fund V. James B. Tananbaum (Tananbaum) is the sole managing member of FCM V and may be deemed to have sole voting and dispositive power over the securities held by Fund V. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Row 2 · 2026-08-10 · Conversion · Acquired 445,320 · Balance 3,562,984

F1: Each share of the Issuer's preferred stock converted automatically into 1 share of common stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The preferred stock had no expiration date.

F2: The securities 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 the securities held by Fund V. James B. Tananbaum (Tananbaum) is the sole managing member of FCM V and may be deemed to have sole voting and dispositive power over the securities held by Fund V. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Row 3 · 2026-08-10 · Conversion · Acquired 1,125,823 · Balance 1,125,823

F1: Each share of the Issuer's preferred stock converted automatically into 1 share of common stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The preferred stock had no expiration date.

F3: The securities are held of record by Foresite Capital Fund VI LP ("Fund VI"). Foresite Capital Management VI, LLC ("FCM VI") is the general partner of Fund VI and may be deemed to have sole voting and dispositive power over the securities held by Fund VI. Tananbaum is the sole managing member of FCM VI and may be deemed to have sole voting and dispositive power over the securities held by Fund VI. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Row 4 · 2026-08-10 · Conversion · Acquired 742,201 · Balance 1,868,024

F1: Each share of the Issuer's preferred stock converted automatically into 1 share of common stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The preferred stock had no expiration date.

F3: The securities are held of record by Foresite Capital Fund VI LP ("Fund VI"). Foresite Capital Management VI, LLC ("FCM VI") is the general partner of Fund VI and may be deemed to have sole voting and dispositive power over the securities held by Fund VI. Tananbaum is the sole managing member of FCM VI and may be deemed to have sole voting and dispositive power over the securities held by Fund VI. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Row 5 · 2026-08-10 · Purchase · Acquired 140,000 · Balance 2,008,024

F3: The securities are held of record by Foresite Capital Fund VI LP ("Fund VI"). Foresite Capital Management VI, LLC ("FCM VI") is the general partner of Fund VI and may be deemed to have sole voting and dispositive power over the securities held by Fund VI. Tananbaum is the sole managing member of FCM VI and may be deemed to have sole voting and dispositive power over the securities held by Fund VI. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Row 6 · 2026-08-10 · Conversion · Acquired 195,776 · Balance 2,203,800

F1: Each share of the Issuer's preferred stock converted automatically into 1 share of common stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The preferred stock had no expiration date.

F5: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of June 17, 2027. The principal amount of the convertible note together with any accrued but unpaid interest automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's initial public offering at a conversion price equal to the initial public offering price of the Issuer's common stock.

F3: The securities are held of record by Foresite Capital Fund VI LP ("Fund VI"). Foresite Capital Management VI, LLC ("FCM VI") is the general partner of Fund VI and may be deemed to have sole voting and dispositive power over the securities held by Fund VI. Tananbaum is the sole managing member of FCM VI and may be deemed to have sole voting and dispositive power over the securities held by Fund VI. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Row 7 · 2026-08-10 · Conversion · Acquired 3,117,664 · Balance 3,117,664

F1: Each share of the Issuer's preferred stock converted automatically into 1 share of common stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The preferred stock had no expiration date.

F4: The securities 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 the shares held by Opportunity Fund V. Tananbaum is the sole managing member of FCOM V and may be deemed to have sole voting and dispositive power over the securities held by Opportunity Fund V. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Row 8 · 2026-08-10 · Conversion · Acquired 296,880 · Balance 3,414,544

F1: Each share of the Issuer's preferred stock converted automatically into 1 share of common stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The preferred stock had no expiration date.

F4: The securities 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 the shares held by Opportunity Fund V. Tananbaum is the sole managing member of FCOM V and may be deemed to have sole voting and dispositive power over the securities held by Opportunity Fund V. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Row 9 · 2026-08-10 · Conversion · Disposed 3,117,664 · Balance 0

F1: Each share of the Issuer's preferred stock converted automatically into 1 share of common stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The preferred stock had no expiration date.

F2: The securities 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 the securities held by Fund V. James B. Tananbaum (Tananbaum) is the sole managing member of FCM V and may be deemed to have sole voting and dispositive power over the securities held by Fund V. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Row 11 · 2026-08-10 · Conversion · Disposed 1,125,823 · Balance 0

F1: Each share of the Issuer's preferred stock converted automatically into 1 share of common stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The preferred stock had no expiration date.

F3: The securities are held of record by Foresite Capital Fund VI LP ("Fund VI"). Foresite Capital Management VI, LLC ("FCM VI") is the general partner of Fund VI and may be deemed to have sole voting and dispositive power over the securities held by Fund VI. Tananbaum is the sole managing member of FCM VI and may be deemed to have sole voting and dispositive power over the securities held by Fund VI. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Row 13 · 2026-08-10 · Conversion · Disposed 3,117,664 · Balance 0

F1: Each share of the Issuer's preferred stock converted automatically into 1 share of common stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The preferred stock had no expiration date.

F4: The securities 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 the shares held by Opportunity Fund V. Tananbaum is the sole managing member of FCOM V and may be deemed to have sole voting and dispositive power over the securities held by Opportunity Fund V. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Row 10 · 2026-08-10 · Conversion · Disposed 445,320 · Balance 0

F1: Each share of the Issuer's preferred stock converted automatically into 1 share of common stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The preferred stock had no expiration date.

F2: The securities 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 the securities held by Fund V. James B. Tananbaum (Tananbaum) is the sole managing member of FCM V and may be deemed to have sole voting and dispositive power over the securities held by Fund V. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Row 12 · 2026-08-10 · Conversion · Disposed 742,201 · Balance 0

F1: Each share of the Issuer's preferred stock converted automatically into 1 share of common stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The preferred stock had no expiration date.

F3: The securities are held of record by Foresite Capital Fund VI LP ("Fund VI"). Foresite Capital Management VI, LLC ("FCM VI") is the general partner of Fund VI and may be deemed to have sole voting and dispositive power over the securities held by Fund VI. Tananbaum is the sole managing member of FCM VI and may be deemed to have sole voting and dispositive power over the securities held by Fund VI. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Row 14 · 2026-08-10 · Conversion · Disposed 296,880 · Balance 0

F1: Each share of the Issuer's preferred stock converted automatically into 1 share of common stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The preferred stock had no expiration date.

F4: The securities 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 the shares held by Opportunity Fund V. Tananbaum is the sole managing member of FCOM V and may be deemed to have sole voting and dispositive power over the securities held by Opportunity Fund V. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Row 15 · 2026-08-10 · Conversion · Disposed 195,776 · Balance 0

F5: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of June 17, 2027. The principal amount of the convertible note together with any accrued but unpaid interest automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's initial public offering at a conversion price equal to the initial public offering price of the Issuer's common stock.

F3: The securities are held of record by Foresite Capital Fund VI LP ("Fund VI"). Foresite Capital Management VI, LLC ("FCM VI") is the general partner of Fund VI and may be deemed to have sole voting and dispositive power over the securities held by Fund VI. Tananbaum is the sole managing member of FCM VI and may be deemed to have sole voting and dispositive power over the securities held by Fund VI. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.