EIKN

SEC source: 0001193125-26-385268 · ownership.xml · nonDerivative · entry 1

Column Group IV GP, LP · CIK 0001796356 · 10% owner

Column Group IV-A, LP · CIK 0001796353 · 10% owner

Column Group IV, LP · CIK 0001796354 · 10% owner

Column Group Opportunity III, LP · CIK 0001931825 · 10% owner

Column Group Opportunity III GP, LP · CIK 0001932874 · 10% owner

TCG Opportunity III GP, LLC · CIK 0001932445 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner

Svennilson Peter · CIK 0001606074 · 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: 89,200

F1 · price: The price reported in column 4 is a weighted average price. The securities were purchased in multiple transactions at prices ranging from $11.17 to $11.64. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of securities purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The securities are directly held by Peter Svennilson.

SEC source: 0001193125-26-091798 · ownership.xml · derivative · entry 1

Klobuchar Michael A · CIK 0001871957 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,157

Underlying: Common Stock · 87,157 shares

Expires 2036-03-01

F1 · derivative.exercise_date: 1/48th of the shares underlying the option will vest on each monthly anniversary of the vesting start date for 48 months, subject to the Reporting Person's continued service through each date.

SEC source: 0001193125-26-091787 · ownership.xml · derivative · entry 1

Huffines Robert Luther · CIK 0001728221 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,873

Underlying: Common Stock · 25,873 shares

Expires 2036-03-01

F1 · derivative.exercise_date: 1/48th of the shares underlying the option will vest on each monthly anniversary of the vesting start date for 48 months, subject to the Reporting Person's continued service through each date.

SEC source: 0001193125-26-091783 · ownership.xml · derivative · entry 1

FRAZIER KENNETH C · CIK 0001181175 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,873

Underlying: Common Stock · 25,873 shares

Expires 2036-03-01

F1 · derivative.exercise_date: 1/48th of the shares underlying the option will vest on each monthly anniversary of the vesting start date for 48 months, subject to the Reporting Person's continued service through each date.

SEC source: 0001193125-26-091779 · ownership.xml · derivative · entry 1

PERLMUTTER ROGER M · CIK 0001184228 · Director · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 268,176

Underlying: Common Stock · 268,176 shares

Expires 2036-03-01

F1 · derivative.exercise_date: 1/48th of the shares underlying the option will vest on each monthly anniversary of the vesting start date for 48 months, subject to the Reporting Person's continued service through each date.

SEC source: 0001193125-26-091771 · ownership.xml · derivative · entry 1

Thorner Benjamin Bruno · CIK 0002102118 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,044

Underlying: Common Stock · 67,044 shares

Expires 2036-03-01

F1 · derivative.exercise_date: 1/48th of the shares underlying the option will vest on each monthly anniversary of the vesting start date for 48 months, subject to the Reporting Person's continued service through each date.

SEC source: 0001193125-26-091770 · ownership.xml · derivative · entry 1

Baynes Roy D. · CIK 0001680739 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 134,088

Underlying: Common Stock · 134,088 shares

Expires 2036-03-01

F1 · derivative.exercise_date: 1/48th of the shares underlying the option will vest on each monthly anniversary of the vesting start date for 48 months, subject to the Reporting Person's continued service through each date.

SEC source: 0001193125-26-091767 · ownership.xml · derivative · entry 1

Bowie Alfred Lloyd Jr. · CIK 0002104152 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,044

Underlying: Common Stock · 67,044 shares

Expires 2036-03-01

F1 · derivative.exercise_date: 1/48th of the shares underlying the option will vest on each monthly anniversary of the vesting start date for 48 months, subject to the Reporting Person's continued service through each date.

SEC source: 0001193125-26-041544 · ownership.xml · derivative · entry 15

Lux Venture Partners V, LLC · CIK 0001698118 · 10% owner

Wolfe Josh · CIK 0001830001 · Director · 10% owner

Hebert Peter · CIK 0001683771 · 10% owner

Lux Ventures V, L.P. · CIK 0001698008 · 10% owner

Lux Co-Invest Opportunities II, L.P. · CIK 0001783916 · 10% owner

Lux Total Opportunities, L.P. · CIK 0001864658 · 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 · 1,376,566 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.

F10 · derivative.exercise_price: The Series D Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F10 · price: The Series D Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F10 · derivative.exercise_date: The Series D Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F10 · derivative.expiration_date: The Series D Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F2 · ownership.nature: These shares are held by Lux Total Opportunities, L.P. ("LTO"). Lux Total Opportunities Partners, LLC ("LTOP") is the general partner of LTO and exercises voting and dispositive power over the shares noted herein held by LTO. The Individual Lux Managers are the individual managing members of LTOP. The Individual Lux Managers, as the sole managers of LTOP, may be deemed to beneficially own the shares held by LTO. Each of LTOP and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of their pecuniary interest therein.

SEC source: 0001193125-26-041544 · ownership.xml · derivative · entry 14

Lux Venture Partners V, LLC · CIK 0001698118 · 10% owner

Wolfe Josh · CIK 0001830001 · Director · 10% owner

Hebert Peter · CIK 0001683771 · 10% owner

Lux Ventures V, L.P. · CIK 0001698008 · 10% owner

Lux Co-Invest Opportunities II, L.P. · CIK 0001783916 · 10% owner

Lux Total Opportunities, L.P. · CIK 0001864658 · 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 · 194,510 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.

F9 · derivative.exercise_price: The Series C-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F9 · price: The Series C-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F9 · derivative.exercise_date: The Series C-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F9 · derivative.expiration_date: The Series C-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F2 · ownership.nature: These shares are held by Lux Total Opportunities, L.P. ("LTO"). Lux Total Opportunities Partners, LLC ("LTOP") is the general partner of LTO and exercises voting and dispositive power over the shares noted herein held by LTO. The Individual Lux Managers are the individual managing members of LTOP. The Individual Lux Managers, as the sole managers of LTOP, may be deemed to beneficially own the shares held by LTO. Each of LTOP and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of their pecuniary interest therein.

SEC source: 0001193125-26-041544 · ownership.xml · derivative · entry 13

Lux Venture Partners V, LLC · CIK 0001698118 · 10% owner

Wolfe Josh · CIK 0001830001 · Director · 10% owner

Hebert Peter · CIK 0001683771 · 10% owner

Lux Ventures V, L.P. · CIK 0001698008 · 10% owner

Lux Co-Invest Opportunities II, L.P. · CIK 0001783916 · 10% owner

Lux Total Opportunities, L.P. · CIK 0001864658 · 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 · 40,677 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.

F8 · derivative.exercise_price: The Series C Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F8 · price: The Series C Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F8 · derivative.exercise_date: The Series C Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F8 · derivative.expiration_date: The Series C Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F2 · ownership.nature: These shares are held by Lux Total Opportunities, L.P. ("LTO"). Lux Total Opportunities Partners, LLC ("LTOP") is the general partner of LTO and exercises voting and dispositive power over the shares noted herein held by LTO. The Individual Lux Managers are the individual managing members of LTOP. The Individual Lux Managers, as the sole managers of LTOP, may be deemed to beneficially own the shares held by LTO. Each of LTOP and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of their pecuniary interest therein.

SEC source: 0001193125-26-041544 · ownership.xml · derivative · entry 12

Lux Venture Partners V, LLC · CIK 0001698118 · 10% owner

Wolfe Josh · CIK 0001830001 · Director · 10% owner

Hebert Peter · CIK 0001683771 · 10% owner

Lux Ventures V, L.P. · CIK 0001698008 · 10% owner

Lux Co-Invest Opportunities II, L.P. · CIK 0001783916 · 10% owner

Lux Total Opportunities, L.P. · CIK 0001864658 · 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 · 472,822 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.

F7 · derivative.exercise_price: The Series B-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F7 · price: The Series B-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F7 · derivative.exercise_date: The Series B-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F7 · derivative.expiration_date: The Series B-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F2 · ownership.nature: These shares are held by Lux Total Opportunities, L.P. ("LTO"). Lux Total Opportunities Partners, LLC ("LTOP") is the general partner of LTO and exercises voting and dispositive power over the shares noted herein held by LTO. The Individual Lux Managers are the individual managing members of LTOP. The Individual Lux Managers, as the sole managers of LTOP, may be deemed to beneficially own the shares held by LTO. Each of LTOP and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of their pecuniary interest therein.

SEC source: 0001193125-26-041544 · ownership.xml · derivative · entry 11

Lux Venture Partners V, LLC · CIK 0001698118 · 10% owner

Wolfe Josh · CIK 0001830001 · Director · 10% owner

Hebert Peter · CIK 0001683771 · 10% owner

Lux Ventures V, L.P. · CIK 0001698008 · 10% owner

Lux Co-Invest Opportunities II, L.P. · CIK 0001783916 · 10% owner

Lux Total Opportunities, L.P. · CIK 0001864658 · 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 · 709,234 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.

F7 · derivative.exercise_price: The Series B-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F7 · price: The Series B-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F7 · derivative.exercise_date: The Series B-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F7 · derivative.expiration_date: The Series B-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F1 · ownership.nature: These shares are held by Lux Co-Invest Opportunities II, L.P. ("LCIO II"). Lux Co-Invest Partners II, LLC ("LCIP II") is the general partner of LCIO II and exercises voting and dispositive power over the shares noted herein held by LCIO II. Peter Hebert and Josh Wolfe, a member of the Issuer's board of directors (the "Individual Lux Managers"), are the individual managing members of LCIP II. The Individual Lux Managers, and as the sole managers of LCIP II, may be deemed to beneficially own the shares held by LCIO II. Each of LCIP II and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of his pecuniary interest therein.

SEC source: 0001193125-26-041544 · ownership.xml · derivative · entry 10

Lux Venture Partners V, LLC · CIK 0001698118 · 10% owner

Wolfe Josh · CIK 0001830001 · Director · 10% owner

Hebert Peter · CIK 0001683771 · 10% owner

Lux Ventures V, L.P. · CIK 0001698008 · 10% owner

Lux Co-Invest Opportunities II, L.P. · CIK 0001783916 · 10% owner

Lux Total Opportunities, L.P. · CIK 0001864658 · 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 · 71,190 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: The Series B Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F6 · price: The Series B Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F6 · derivative.exercise_date: The Series B Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F6 · derivative.expiration_date: The Series B Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F2 · ownership.nature: These shares are held by Lux Total Opportunities, L.P. ("LTO"). Lux Total Opportunities Partners, LLC ("LTOP") is the general partner of LTO and exercises voting and dispositive power over the shares noted herein held by LTO. The Individual Lux Managers are the individual managing members of LTOP. The Individual Lux Managers, as the sole managers of LTOP, may be deemed to beneficially own the shares held by LTO. Each of LTOP and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of their pecuniary interest therein.

SEC source: 0001193125-26-041544 · ownership.xml · derivative · entry 9

Lux Venture Partners V, LLC · CIK 0001698118 · 10% owner

Wolfe Josh · CIK 0001830001 · Director · 10% owner

Hebert Peter · CIK 0001683771 · 10% owner

Lux Ventures V, L.P. · CIK 0001698008 · 10% owner

Lux Co-Invest Opportunities II, L.P. · CIK 0001783916 · 10% owner

Lux Total Opportunities, L.P. · CIK 0001864658 · 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 · 106,785 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: The Series B Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F6 · price: The Series B Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F6 · derivative.exercise_date: The Series B Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F6 · derivative.expiration_date: The Series B Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F1 · ownership.nature: These shares are held by Lux Co-Invest Opportunities II, L.P. ("LCIO II"). Lux Co-Invest Partners II, LLC ("LCIP II") is the general partner of LCIO II and exercises voting and dispositive power over the shares noted herein held by LCIO II. Peter Hebert and Josh Wolfe, a member of the Issuer's board of directors (the "Individual Lux Managers"), are the individual managing members of LCIP II. The Individual Lux Managers, and as the sole managers of LCIP II, may be deemed to beneficially own the shares held by LCIO II. Each of LCIP II and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of his pecuniary interest therein.

SEC source: 0001193125-26-041544 · ownership.xml · derivative · entry 8

Lux Venture Partners V, LLC · CIK 0001698118 · 10% owner

Wolfe Josh · CIK 0001830001 · Director · 10% owner

Hebert Peter · CIK 0001683771 · 10% owner

Lux Ventures V, L.P. · CIK 0001698008 · 10% owner

Lux Co-Invest Opportunities II, L.P. · CIK 0001783916 · 10% owner

Lux Total Opportunities, L.P. · CIK 0001864658 · 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.

F4 · derivative.exercise_price: The Series A-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F4 · price: The Series A-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F4 · derivative.exercise_date: The Series A-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F4 · derivative.expiration_date: The Series A-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F1 · ownership.nature: These shares are held by Lux Co-Invest Opportunities II, L.P. ("LCIO II"). Lux Co-Invest Partners II, LLC ("LCIP II") is the general partner of LCIO II and exercises voting and dispositive power over the shares noted herein held by LCIO II. Peter Hebert and Josh Wolfe, a member of the Issuer's board of directors (the "Individual Lux Managers"), are the individual managing members of LCIP II. The Individual Lux Managers, and as the sole managers of LCIP II, may be deemed to beneficially own the shares held by LCIO II. Each of LCIP II and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of his pecuniary interest therein.

SEC source: 0001193125-26-041544 · ownership.xml · derivative · entry 7

Lux Venture Partners V, LLC · CIK 0001698118 · 10% owner

Wolfe Josh · CIK 0001830001 · Director · 10% owner

Hebert Peter · CIK 0001683771 · 10% owner

Lux Ventures V, L.P. · CIK 0001698008 · 10% owner

Lux Co-Invest Opportunities II, L.P. · CIK 0001783916 · 10% owner

Lux Total Opportunities, L.P. · CIK 0001864658 · 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 · 1,046,827 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: The Series A-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F4 · price: The Series A-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F4 · derivative.exercise_date: The Series A-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F4 · derivative.expiration_date: The Series A-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F5 · ownership.nature: These shares are held by Lux Ventures V, L.P. ("LVV"). Lux Venture Partners V, LLC ("LVPV") is the general partner of LVV and exercises voting and dispositive power over the shares noted herein held by LVV. The Individual Lux Managers are the individual managing members of LVPV. The Individual Lux Managers, as the sole managers of LVPV, may be deemed to beneficially own the shares held by LVV. Each of LVPV and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of their pecuniary interest therein.

SEC source: 0001193125-26-041544 · ownership.xml · derivative · entry 6

Lux Venture Partners V, LLC · CIK 0001698118 · 10% owner

Wolfe Josh · CIK 0001830001 · Director · 10% owner

Hebert Peter · CIK 0001683771 · 10% owner

Lux Ventures V, L.P. · CIK 0001698008 · 10% owner

Lux Co-Invest Opportunities II, L.P. · CIK 0001783916 · 10% owner

Lux Total Opportunities, L.P. · CIK 0001864658 · 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.

F3 · derivative.exercise_price: The Series A Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") on a 1-for-7.4578 basis and had no expiration date.

F3 · price: The Series A Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") on a 1-for-7.4578 basis and had no expiration date.

F3 · derivative.exercise_date: The Series A Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") on a 1-for-7.4578 basis and had no expiration date.

F3 · derivative.expiration_date: The Series A Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") on a 1-for-7.4578 basis and had no expiration date.

F5 · ownership.nature: These shares are held by Lux Ventures V, L.P. ("LVV"). Lux Venture Partners V, LLC ("LVPV") is the general partner of LVV and exercises voting and dispositive power over the shares noted herein held by LVV. The Individual Lux Managers are the individual managing members of LVPV. The Individual Lux Managers, as the sole managers of LVPV, may be deemed to beneficially own the shares held by LVV. Each of LVPV and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of their pecuniary interest therein.

SEC source: 0001193125-26-041544 · ownership.xml · nonDerivative · entry 5

Lux Venture Partners V, LLC · CIK 0001698118 · 10% owner

Wolfe Josh · CIK 0001830001 · Director · 10% owner

Hebert Peter · CIK 0001683771 · 10% owner

Lux Ventures V, L.P. · CIK 0001698008 · 10% owner

Lux Co-Invest Opportunities II, L.P. · CIK 0001783916 · 10% owner

Lux Total Opportunities, L.P. · CIK 0001864658 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,294,653

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 · price: The Series B Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F7 · price: The Series B-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F8 · price: The Series C Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F9 · price: The Series C-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F10 · price: The Series D Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F2 · ownership.nature: These shares are held by Lux Total Opportunities, L.P. ("LTO"). Lux Total Opportunities Partners, LLC ("LTOP") is the general partner of LTO and exercises voting and dispositive power over the shares noted herein held by LTO. The Individual Lux Managers are the individual managing members of LTOP. The Individual Lux Managers, as the sole managers of LTOP, may be deemed to beneficially own the shares held by LTO. Each of LTOP and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of their pecuniary interest therein.

SEC source: 0001193125-26-041544 · ownership.xml · nonDerivative · entry 4

Lux Venture Partners V, LLC · CIK 0001698118 · 10% owner

Wolfe Josh · CIK 0001830001 · Director · 10% owner

Hebert Peter · CIK 0001683771 · 10% owner

Lux Ventures V, L.P. · CIK 0001698008 · 10% owner

Lux Co-Invest Opportunities II, L.P. · CIK 0001783916 · 10% owner

Lux Total Opportunities, L.P. · CIK 0001864658 · 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: 1,290,428

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.

F4 · price: The Series A-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F6 · price: The Series B Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F7 · price: The Series B-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F1 · ownership.nature: These shares are held by Lux Co-Invest Opportunities II, L.P. ("LCIO II"). Lux Co-Invest Partners II, LLC ("LCIP II") is the general partner of LCIO II and exercises voting and dispositive power over the shares noted herein held by LCIO II. Peter Hebert and Josh Wolfe, a member of the Issuer's board of directors (the "Individual Lux Managers"), are the individual managing members of LCIP II. The Individual Lux Managers, and as the sole managers of LCIP II, may be deemed to beneficially own the shares held by LCIO II. Each of LCIP II and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of his pecuniary interest therein.

SEC source: 0001193125-26-041544 · ownership.xml · nonDerivative · entry 3

Lux Venture Partners V, LLC · CIK 0001698118 · 10% owner

Wolfe Josh · CIK 0001830001 · Director · 10% owner

Hebert Peter · CIK 0001683771 · 10% owner

Lux Ventures V, L.P. · CIK 0001698008 · 10% owner

Lux Co-Invest Opportunities II, L.P. · CIK 0001783916 · 10% owner

Lux Total Opportunities, L.P. · CIK 0001864658 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,387,705

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 · price: The Series A Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") on a 1-for-7.4578 basis and had no expiration date.

F4 · price: The Series A-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F5 · ownership.nature: These shares are held by Lux Ventures V, L.P. ("LVV"). Lux Venture Partners V, LLC ("LVPV") is the general partner of LVV and exercises voting and dispositive power over the shares noted herein held by LVV. The Individual Lux Managers are the individual managing members of LVPV. The Individual Lux Managers, as the sole managers of LVPV, may be deemed to beneficially own the shares held by LVV. Each of LVPV and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of their pecuniary interest therein.

SEC source: 0001193125-26-041549 · ownership.xml · derivative · entry 15

Wolfe Josh · CIK 0001830001 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,376,566 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.

F10 · derivative.exercise_price: The Series D Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F10 · price: The Series D Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F10 · derivative.exercise_date: The Series D Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F10 · derivative.expiration_date: The Series D Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F2 · ownership.nature: These shares are held by Lux Total Opportunities, L.P. ("LTO"). Lux Total Opportunities Partners, LLC ("LTOP") is the general partner of LTO and exercises voting and dispositive power over the shares noted herein held by LTO. The Individual Lux Managers are the individual managing members of LTOP. The Individual Lux Managers, as the sole managers of LTOP, may be deemed to beneficially own the shares held by LTO. Each of LTOP and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of their pecuniary interest therein.

SEC source: 0001193125-26-041549 · ownership.xml · derivative · entry 14

Wolfe Josh · CIK 0001830001 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 194,510 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.

F9 · derivative.exercise_price: The Series C-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F9 · price: The Series C-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F9 · derivative.exercise_date: The Series C-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F9 · derivative.expiration_date: The Series C-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F2 · ownership.nature: These shares are held by Lux Total Opportunities, L.P. ("LTO"). Lux Total Opportunities Partners, LLC ("LTOP") is the general partner of LTO and exercises voting and dispositive power over the shares noted herein held by LTO. The Individual Lux Managers are the individual managing members of LTOP. The Individual Lux Managers, as the sole managers of LTOP, may be deemed to beneficially own the shares held by LTO. Each of LTOP and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of their pecuniary interest therein.

SEC source: 0001193125-26-041549 · ownership.xml · derivative · entry 13

Wolfe Josh · CIK 0001830001 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 40,677 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.

F8 · derivative.exercise_price: The Series C Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F8 · price: The Series C Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F8 · derivative.exercise_date: The Series C Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F8 · derivative.expiration_date: The Series C Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F2 · ownership.nature: These shares are held by Lux Total Opportunities, L.P. ("LTO"). Lux Total Opportunities Partners, LLC ("LTOP") is the general partner of LTO and exercises voting and dispositive power over the shares noted herein held by LTO. The Individual Lux Managers are the individual managing members of LTOP. The Individual Lux Managers, as the sole managers of LTOP, may be deemed to beneficially own the shares held by LTO. Each of LTOP and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of their pecuniary interest therein.

SEC source: 0001193125-26-041549 · ownership.xml · derivative · entry 12

Wolfe Josh · CIK 0001830001 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 472,822 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.

F7 · derivative.exercise_price: The Series B-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F7 · price: The Series B-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F7 · derivative.exercise_date: The Series B-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F7 · derivative.expiration_date: The Series B-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F2 · ownership.nature: These shares are held by Lux Total Opportunities, L.P. ("LTO"). Lux Total Opportunities Partners, LLC ("LTOP") is the general partner of LTO and exercises voting and dispositive power over the shares noted herein held by LTO. The Individual Lux Managers are the individual managing members of LTOP. The Individual Lux Managers, as the sole managers of LTOP, may be deemed to beneficially own the shares held by LTO. Each of LTOP and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of their pecuniary interest therein.

SEC source: 0001193125-26-041549 · ownership.xml · derivative · entry 11

Wolfe Josh · CIK 0001830001 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 709,234 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.

F7 · derivative.exercise_price: The Series B-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F7 · price: The Series B-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F7 · derivative.exercise_date: The Series B-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F7 · derivative.expiration_date: The Series B-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F1 · ownership.nature: These shares are held by Lux Co-Invest Opportunities II, L.P. ("LCIO II"). Lux Co-Invest Partners II, LLC ("LCIP II") is the general partner of LCIO II and exercises voting and dispositive power over the shares noted herein held by LCIO II. Peter Hebert and the Reporting Person (the "Individual Lux Managers"), are the individual managing members of LCIP II. The Individual Lux Managers, and as the sole managers of LCIP II, may be deemed to beneficially own the shares held by LCIO II. Each of LCIP II and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of his pecuniary interest therein.

SEC source: 0001193125-26-041549 · ownership.xml · derivative · entry 10

Wolfe Josh · CIK 0001830001 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 71,190 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: The Series B Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F6 · price: The Series B Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F6 · derivative.exercise_date: The Series B Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F6 · derivative.expiration_date: The Series B Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F2 · ownership.nature: These shares are held by Lux Total Opportunities, L.P. ("LTO"). Lux Total Opportunities Partners, LLC ("LTOP") is the general partner of LTO and exercises voting and dispositive power over the shares noted herein held by LTO. The Individual Lux Managers are the individual managing members of LTOP. The Individual Lux Managers, as the sole managers of LTOP, may be deemed to beneficially own the shares held by LTO. Each of LTOP and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of their pecuniary interest therein.

SEC source: 0001193125-26-041549 · ownership.xml · derivative · entry 9

Wolfe Josh · CIK 0001830001 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 106,785 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: The Series B Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F6 · price: The Series B Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F6 · derivative.exercise_date: The Series B Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F6 · derivative.expiration_date: The Series B Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F1 · ownership.nature: These shares are held by Lux Co-Invest Opportunities II, L.P. ("LCIO II"). Lux Co-Invest Partners II, LLC ("LCIP II") is the general partner of LCIO II and exercises voting and dispositive power over the shares noted herein held by LCIO II. Peter Hebert and the Reporting Person (the "Individual Lux Managers"), are the individual managing members of LCIP II. The Individual Lux Managers, and as the sole managers of LCIP II, may be deemed to beneficially own the shares held by LCIO II. Each of LCIP II and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of his pecuniary interest therein.

SEC source: 0001193125-26-041549 · ownership.xml · derivative · entry 8

Wolfe Josh · CIK 0001830001 · Director · 10% 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.

F4 · derivative.exercise_price: The Series A-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F4 · price: The Series A-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F4 · derivative.exercise_date: The Series A-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F4 · derivative.expiration_date: The Series A-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F1 · ownership.nature: These shares are held by Lux Co-Invest Opportunities II, L.P. ("LCIO II"). Lux Co-Invest Partners II, LLC ("LCIP II") is the general partner of LCIO II and exercises voting and dispositive power over the shares noted herein held by LCIO II. Peter Hebert and the Reporting Person (the "Individual Lux Managers"), are the individual managing members of LCIP II. The Individual Lux Managers, and as the sole managers of LCIP II, may be deemed to beneficially own the shares held by LCIO II. Each of LCIP II and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of his pecuniary interest therein.

SEC source: 0001193125-26-041549 · ownership.xml · derivative · entry 7

Wolfe Josh · CIK 0001830001 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,046,827 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: The Series A-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F4 · price: The Series A-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F4 · derivative.exercise_date: The Series A-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F4 · derivative.expiration_date: The Series A-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F5 · ownership.nature: These shares are held by Lux Ventures V, L.P. ("LVV"). Lux Venture Partners V, LLC ("LVPV") is the general partner of LVV and exercises voting and dispositive power over the shares noted herein held by LVV. The Individual Lux Managers are the individual managing members of LVPV. The Individual Lux Managers, as the sole managers of LVPV, may be deemed to beneficially own the shares held by LVV. Each of LVPV and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of their pecuniary interest therein.

SEC source: 0001193125-26-041549 · ownership.xml · derivative · entry 6

Wolfe Josh · CIK 0001830001 · Director · 10% 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.

F3 · derivative.exercise_price: The Series A Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") on a 1-for-7.4578 basis and had no expiration date.

F3 · price: The Series A Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") on a 1-for-7.4578 basis and had no expiration date.

F3 · derivative.exercise_date: The Series A Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") on a 1-for-7.4578 basis and had no expiration date.

F3 · derivative.expiration_date: The Series A Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") on a 1-for-7.4578 basis and had no expiration date.

F5 · ownership.nature: These shares are held by Lux Ventures V, L.P. ("LVV"). Lux Venture Partners V, LLC ("LVPV") is the general partner of LVV and exercises voting and dispositive power over the shares noted herein held by LVV. The Individual Lux Managers are the individual managing members of LVPV. The Individual Lux Managers, as the sole managers of LVPV, may be deemed to beneficially own the shares held by LVV. Each of LVPV and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of their pecuniary interest therein.

SEC source: 0001193125-26-041549 · ownership.xml · nonDerivative · entry 5

Wolfe Josh · CIK 0001830001 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 2,294,653

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 · price: The Series B Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F7 · price: The Series B-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F8 · price: The Series C Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F9 · price: The Series C-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F10 · price: The Series D Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F2 · ownership.nature: These shares are held by Lux Total Opportunities, L.P. ("LTO"). Lux Total Opportunities Partners, LLC ("LTOP") is the general partner of LTO and exercises voting and dispositive power over the shares noted herein held by LTO. The Individual Lux Managers are the individual managing members of LTOP. The Individual Lux Managers, as the sole managers of LTOP, may be deemed to beneficially own the shares held by LTO. Each of LTOP and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of their pecuniary interest therein.

SEC source: 0001193125-26-041549 · ownership.xml · nonDerivative · entry 4

Wolfe Josh · CIK 0001830001 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,290,428

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.

F4 · price: The Series A-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F6 · price: The Series B Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F7 · price: The Series B-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F1 · ownership.nature: These shares are held by Lux Co-Invest Opportunities II, L.P. ("LCIO II"). Lux Co-Invest Partners II, LLC ("LCIP II") is the general partner of LCIO II and exercises voting and dispositive power over the shares noted herein held by LCIO II. Peter Hebert and the Reporting Person (the "Individual Lux Managers"), are the individual managing members of LCIP II. The Individual Lux Managers, and as the sole managers of LCIP II, may be deemed to beneficially own the shares held by LCIO II. Each of LCIP II and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of his pecuniary interest therein.

SEC source: 0001193125-26-041549 · ownership.xml · nonDerivative · entry 3

Wolfe Josh · CIK 0001830001 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 2,387,705

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 · price: The Series A Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") on a 1-for-7.4578 basis and had no expiration date.

F4 · price: The Series A-1 Preferred Stock converted into Common Stock immediately prior to the closing of the Issuer's IPO on a 1-for-7.4578 basis and had no expiration date.

F5 · ownership.nature: These shares are held by Lux Ventures V, L.P. ("LVV"). Lux Venture Partners V, LLC ("LVPV") is the general partner of LVV and exercises voting and dispositive power over the shares noted herein held by LVV. The Individual Lux Managers are the individual managing members of LVPV. The Individual Lux Managers, as the sole managers of LVPV, may be deemed to beneficially own the shares held by LVV. Each of LVPV and the Individual Lux Managers disclaims beneficial ownership over these shares except to the extent of their pecuniary interest therein.

SEC source: 0001193125-26-043320 · ownership.xml · derivative · entry 17

Column Group IV GP, LP · CIK 0001796356 · 10% owner

Column Group IV-A, LP · CIK 0001796353 · 10% owner

Column Group IV, LP · CIK 0001796354 · 10% owner

Column Group Opportunity III, LP · CIK 0001931825 · 10% owner

Column Group Opportunity III GP, LP · CIK 0001932874 · 10% owner

TCG Opportunity III GP, LLC · CIK 0001932445 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Column Group Opportunity III, LP

Disclosed balance after: 0

Underlying: Common Stock · 688,283 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series 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 the Issuer's 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 the Issuer's Common Stock and has no expiration date

F1 · 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 the Issuer's 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 the Issuer's 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 the Issuer's Common Stock and has no expiration date

F4 · ownership.nature: The securities are directly held by The Column Group Opportunity III, LP ("TCG Opportunity III LP"). The Column Group Opportunity III GP, LP ("TCG Opportunity III GP LP") is the general partner of TCG Opportunity III LP. TCG Opportunity III GP, LLC is the general partner of TCG Opportunity III GP LP and the ultimate general partner of TCG Opportunity III LP. Each of TCG Opportunity III GP LP and TCG Opportunity III GP, LLC may be deemed to have voting, investment and dispositive power with respect to securities directly held by TCG Opportunity III LP. Peter Svennilson and Tim Kutzkey are the managing members of TCG Opportunity III GP, LLC and may each be deemed to share voting, investment and dispositive power with respect to securities directly held by TCG Opportunity III LP. Each of the Reporting Persons disclaims beneficial ownership of the securities noted herein, except to the extent of its or his pecuniary interest therein.

SEC source: 0001193125-26-043320 · ownership.xml · derivative · entry 16

Column Group IV GP, LP · CIK 0001796356 · 10% owner

Column Group IV-A, LP · CIK 0001796353 · 10% owner

Column Group IV, LP · CIK 0001796354 · 10% owner

Column Group Opportunity III, LP · CIK 0001931825 · 10% owner

Column Group Opportunity III GP, LP · CIK 0001932874 · 10% owner

TCG Opportunity III GP, LLC · CIK 0001932445 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Column Group IV-A, LP

Disclosed balance after: 0

Underlying: Common Stock · 3,785 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 the Issuer's 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 the Issuer's Common Stock and has no expiration date

F1 · 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 the Issuer's 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 the Issuer's 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 the Issuer's Common Stock and has no expiration date

F3 · ownership.nature: The shares are directly held by The Column Group IV-A, LP ("TCG IV-A LP"). TCG IV GP LP is the general partner of the TCG IV-A LP and may be deemed to have voting and investment power with respect to shares directly held by the Reporting Person. Peter Svennilson and Tim Kutzkey are the managing partners of TCG IV GP LP and may each be deemed to share voting, investment and dispositive power with respect to securities directly held by TCG IV-A LP. Each of the Reporting Persons disclaims beneficial ownership of the securities noted herein, except to the extent of its or his pecuniary interest therein.

SEC source: 0001193125-26-043320 · ownership.xml · derivative · entry 15

Column Group IV GP, LP · CIK 0001796356 · 10% owner

Column Group IV-A, LP · CIK 0001796353 · 10% owner

Column Group IV, LP · CIK 0001796354 · 10% owner

Column Group Opportunity III, LP · CIK 0001931825 · 10% owner

Column Group Opportunity III GP, LP · CIK 0001932874 · 10% owner

TCG Opportunity III GP, LLC · CIK 0001932445 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Column Group IV, LP

Disclosed balance after: 0

Underlying: Common Stock · 110,928 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 the Issuer's 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 the Issuer's Common Stock and has no expiration date

F1 · 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 the Issuer's 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 the Issuer's 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 the Issuer's Common Stock and has no expiration date

F2 · ownership.nature: The shares are directly held by The Column Group IV, LP ("TCG IV LP"). The Column Group IV GP, LP ("TCG IV GP LP") is the general partner of TCG IV LP and may be deemed to have voting and investment power with respect to shares directly held by TCG IV LP. Peter Svennilson and Tim Kutzkey are the managing partners of TCG IV GP LP and may each be deemed to share voting, investment and dispositive power with respect to securities directly held by TCG IV LP. Each of the Reporting Persons disclaims beneficial ownership of the securities noted herein, except to the extent of its or his pecuniary interest therein.

SEC source: 0001193125-26-043320 · ownership.xml · derivative · entry 14

Column Group IV GP, LP · CIK 0001796356 · 10% owner

Column Group IV-A, LP · CIK 0001796353 · 10% owner

Column Group IV, LP · CIK 0001796354 · 10% owner

Column Group Opportunity III, LP · CIK 0001931825 · 10% owner

Column Group Opportunity III GP, LP · CIK 0001932874 · 10% owner

TCG Opportunity III GP, LLC · CIK 0001932445 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Column Group IV-A, LP

Disclosed balance after: 0

Underlying: Common Stock · 47,898 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 the Issuer's 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 the Issuer's Common Stock and has no expiration date

F1 · 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 the Issuer's 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 the Issuer's 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 the Issuer's Common Stock and has no expiration date

F3 · ownership.nature: The shares are directly held by The Column Group IV-A, LP ("TCG IV-A LP"). TCG IV GP LP is the general partner of the TCG IV-A LP and may be deemed to have voting and investment power with respect to shares directly held by the Reporting Person. Peter Svennilson and Tim Kutzkey are the managing partners of TCG IV GP LP and may each be deemed to share voting, investment and dispositive power with respect to securities directly held by TCG IV-A LP. Each of the Reporting Persons disclaims beneficial ownership of the securities noted herein, except to the extent of its or his pecuniary interest therein.

SEC source: 0001193125-26-043320 · ownership.xml · derivative · entry 13

Column Group IV GP, LP · CIK 0001796356 · 10% owner

Column Group IV-A, LP · CIK 0001796353 · 10% owner

Column Group IV, LP · CIK 0001796354 · 10% owner

Column Group Opportunity III, LP · CIK 0001931825 · 10% owner

Column Group Opportunity III GP, LP · CIK 0001932874 · 10% owner

TCG Opportunity III GP, LLC · CIK 0001932445 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Column Group IV, LP

Disclosed balance after: 0

Underlying: Common Stock · 1,403,568 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 the Issuer's 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 the Issuer's Common Stock and has no expiration date

F1 · 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 the Issuer's 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 the Issuer's 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 the Issuer's Common Stock and has no expiration date

F2 · ownership.nature: The shares are directly held by The Column Group IV, LP ("TCG IV LP"). The Column Group IV GP, LP ("TCG IV GP LP") is the general partner of TCG IV LP and may be deemed to have voting and investment power with respect to shares directly held by TCG IV LP. Peter Svennilson and Tim Kutzkey are the managing partners of TCG IV GP LP and may each be deemed to share voting, investment and dispositive power with respect to securities directly held by TCG IV LP. Each of the Reporting Persons disclaims beneficial ownership of the securities noted herein, except to the extent of its or his pecuniary interest therein.

SEC source: 0001193125-26-043320 · ownership.xml · derivative · entry 12

Column Group IV GP, LP · CIK 0001796356 · 10% owner

Column Group IV-A, LP · CIK 0001796353 · 10% owner

Column Group IV, LP · CIK 0001796354 · 10% owner

Column Group Opportunity III, LP · CIK 0001931825 · 10% owner

Column Group Opportunity III GP, LP · CIK 0001932874 · 10% owner

TCG Opportunity III GP, LLC · CIK 0001932445 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Column Group IV-A, LP

Disclosed balance after: 0

Underlying: Common Stock · 44,249 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 the Issuer's 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 the Issuer's Common Stock and has no expiration date

F1 · 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 the Issuer's 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 the Issuer's 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 the Issuer's Common Stock and has no expiration date

F3 · ownership.nature: The shares are directly held by The Column Group IV-A, LP ("TCG IV-A LP"). TCG IV GP LP is the general partner of the TCG IV-A LP and may be deemed to have voting and investment power with respect to shares directly held by the Reporting Person. Peter Svennilson and Tim Kutzkey are the managing partners of TCG IV GP LP and may each be deemed to share voting, investment and dispositive power with respect to securities directly held by TCG IV-A LP. Each of the Reporting Persons disclaims beneficial ownership of the securities noted herein, except to the extent of its or his pecuniary interest therein.

SEC source: 0001193125-26-043320 · ownership.xml · derivative · entry 11

Column Group IV GP, LP · CIK 0001796356 · 10% owner

Column Group IV-A, LP · CIK 0001796353 · 10% owner

Column Group IV, LP · CIK 0001796354 · 10% owner

Column Group Opportunity III, LP · CIK 0001931825 · 10% owner

Column Group Opportunity III GP, LP · CIK 0001932874 · 10% owner

TCG Opportunity III GP, LLC · CIK 0001932445 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Column Group IV, LP

Disclosed balance after: 0

Underlying: Common Stock · 1,296,629 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 the Issuer's 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 the Issuer's Common Stock and has no expiration date

F1 · 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 the Issuer's 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 the Issuer's 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 the Issuer's Common Stock and has no expiration date

F2 · ownership.nature: The shares are directly held by The Column Group IV, LP ("TCG IV LP"). The Column Group IV GP, LP ("TCG IV GP LP") is the general partner of TCG IV LP and may be deemed to have voting and investment power with respect to shares directly held by TCG IV LP. Peter Svennilson and Tim Kutzkey are the managing partners of TCG IV GP LP and may each be deemed to share voting, investment and dispositive power with respect to securities directly held by TCG IV LP. Each of the Reporting Persons disclaims beneficial ownership of the securities noted herein, except to the extent of its or his pecuniary interest therein.

SEC source: 0001193125-26-043320 · ownership.xml · nonDerivative · entry 10

Column Group IV GP, LP · CIK 0001796356 · 10% owner

Column Group IV-A, LP · CIK 0001796353 · 10% owner

Column Group IV, LP · CIK 0001796354 · 10% owner

Column Group Opportunity III, LP · CIK 0001931825 · 10% owner

Column Group Opportunity III GP, LP · CIK 0001932874 · 10% owner

TCG Opportunity III GP, LLC · CIK 0001932445 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Column Group Opportunity III, LP

Disclosed balance after: 1,319,164

F4 · ownership.nature: The securities are directly held by The Column Group Opportunity III, LP ("TCG Opportunity III LP"). The Column Group Opportunity III GP, LP ("TCG Opportunity III GP LP") is the general partner of TCG Opportunity III LP. TCG Opportunity III GP, LLC is the general partner of TCG Opportunity III GP LP and the ultimate general partner of TCG Opportunity III LP. Each of TCG Opportunity III GP LP and TCG Opportunity III GP, LLC may be deemed to have voting, investment and dispositive power with respect to securities directly held by TCG Opportunity III LP. Peter Svennilson and Tim Kutzkey are the managing members of TCG Opportunity III GP, LLC and may each be deemed to share voting, investment and dispositive power with respect to securities directly held by TCG Opportunity III LP. Each of the Reporting Persons disclaims beneficial ownership of the securities noted herein, except to the extent of its or his pecuniary interest therein.

SEC source: 0001193125-26-043320 · ownership.xml · nonDerivative · entry 9

Column Group IV GP, LP · CIK 0001796356 · 10% owner

Column Group IV-A, LP · CIK 0001796353 · 10% owner

Column Group IV, LP · CIK 0001796354 · 10% owner

Column Group Opportunity III, LP · CIK 0001931825 · 10% owner

Column Group Opportunity III GP, LP · CIK 0001932874 · 10% owner

TCG Opportunity III GP, LLC · CIK 0001932445 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Column Group IV-A, LP

Disclosed balance after: 148,840

F3 · ownership.nature: The shares are directly held by The Column Group IV-A, LP ("TCG IV-A LP"). TCG IV GP LP is the general partner of the TCG IV-A LP and may be deemed to have voting and investment power with respect to shares directly held by the Reporting Person. Peter Svennilson and Tim Kutzkey are the managing partners of TCG IV GP LP and may each be deemed to share voting, investment and dispositive power with respect to securities directly held by TCG IV-A LP. Each of the Reporting Persons disclaims beneficial ownership of the securities noted herein, except to the extent of its or his pecuniary interest therein.

SEC source: 0001193125-26-043320 · ownership.xml · nonDerivative · entry 8

Column Group IV GP, LP · CIK 0001796356 · 10% owner

Column Group IV-A, LP · CIK 0001796353 · 10% owner

Column Group IV, LP · CIK 0001796354 · 10% owner

Column Group Opportunity III, LP · CIK 0001931825 · 10% owner

Column Group Opportunity III GP, LP · CIK 0001932874 · 10% owner

TCG Opportunity III GP, LLC · CIK 0001932445 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Column Group IV, LP

Disclosed balance after: 4,312,139

F2 · ownership.nature: The shares are directly held by The Column Group IV, LP ("TCG IV LP"). The Column Group IV GP, LP ("TCG IV GP LP") is the general partner of TCG IV LP and may be deemed to have voting and investment power with respect to shares directly held by TCG IV LP. Peter Svennilson and Tim Kutzkey are the managing partners of TCG IV GP LP and may each be deemed to share voting, investment and dispositive power with respect to securities directly held by TCG IV LP. Each of the Reporting Persons disclaims beneficial ownership of the securities noted herein, except to the extent of its or his pecuniary interest therein.

SEC source: 0001193125-26-043320 · ownership.xml · nonDerivative · entry 7

Column Group IV GP, LP · CIK 0001796356 · 10% owner

Column Group IV-A, LP · CIK 0001796353 · 10% owner

Column Group IV, LP · CIK 0001796354 · 10% owner

Column Group Opportunity III, LP · CIK 0001931825 · 10% owner

Column Group Opportunity III GP, LP · CIK 0001932874 · 10% owner

TCG Opportunity III GP, LLC · CIK 0001932445 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Column Group Opportunity III, LP

Disclosed balance after: 688,283

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

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering of its Common Stock, each share of Series 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 the Issuer's Common Stock and has no expiration date

F1 · 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 the Issuer's Common Stock and has no expiration date

F4 · ownership.nature: The securities are directly held by The Column Group Opportunity III, LP ("TCG Opportunity III LP"). The Column Group Opportunity III GP, LP ("TCG Opportunity III GP LP") is the general partner of TCG Opportunity III LP. TCG Opportunity III GP, LLC is the general partner of TCG Opportunity III GP LP and the ultimate general partner of TCG Opportunity III LP. Each of TCG Opportunity III GP LP and TCG Opportunity III GP, LLC may be deemed to have voting, investment and dispositive power with respect to securities directly held by TCG Opportunity III LP. Peter Svennilson and Tim Kutzkey are the managing members of TCG Opportunity III GP, LLC and may each be deemed to share voting, investment and dispositive power with respect to securities directly held by TCG Opportunity III LP. Each of the Reporting Persons disclaims beneficial ownership of the securities noted herein, except to the extent of its or his pecuniary interest therein.

SEC source: 0001193125-26-043320 · ownership.xml · nonDerivative · entry 6

Column Group IV GP, LP · CIK 0001796356 · 10% owner

Column Group IV-A, LP · CIK 0001796353 · 10% owner

Column Group IV, LP · CIK 0001796354 · 10% owner

Column Group Opportunity III, LP · CIK 0001931825 · 10% owner

Column Group Opportunity III GP, LP · CIK 0001932874 · 10% owner

TCG Opportunity III GP, LLC · CIK 0001932445 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Column Group IV-A, LP

Disclosed balance after: 99,284

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 the Issuer's Common Stock and has no expiration date

F1 · 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 the Issuer's Common Stock and has no expiration date

F3 · ownership.nature: The shares are directly held by The Column Group IV-A, LP ("TCG IV-A LP"). TCG IV GP LP is the general partner of the TCG IV-A LP and may be deemed to have voting and investment power with respect to shares directly held by the Reporting Person. Peter Svennilson and Tim Kutzkey are the managing partners of TCG IV GP LP and may each be deemed to share voting, investment and dispositive power with respect to securities directly held by TCG IV-A LP. Each of the Reporting Persons disclaims beneficial ownership of the securities noted herein, except to the extent of its or his pecuniary interest therein.

SEC source: 0001193125-26-043320 · ownership.xml · nonDerivative · entry 5

Column Group IV GP, LP · CIK 0001796356 · 10% owner

Column Group IV-A, LP · CIK 0001796353 · 10% owner

Column Group IV, LP · CIK 0001796354 · 10% owner

Column Group Opportunity III, LP · CIK 0001931825 · 10% owner

Column Group Opportunity III GP, LP · CIK 0001932874 · 10% owner

TCG Opportunity III GP, LLC · CIK 0001932445 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Column Group IV-A, LP

Disclosed balance after: 95,499

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 the Issuer's Common Stock and has no expiration date

F1 · 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 the Issuer's Common Stock and has no expiration date

F3 · ownership.nature: The shares are directly held by The Column Group IV-A, LP ("TCG IV-A LP"). TCG IV GP LP is the general partner of the TCG IV-A LP and may be deemed to have voting and investment power with respect to shares directly held by the Reporting Person. Peter Svennilson and Tim Kutzkey are the managing partners of TCG IV GP LP and may each be deemed to share voting, investment and dispositive power with respect to securities directly held by TCG IV-A LP. Each of the Reporting Persons disclaims beneficial ownership of the securities noted herein, except to the extent of its or his pecuniary interest therein.

SEC source: 0001193125-26-043320 · ownership.xml · nonDerivative · entry 4

Column Group IV GP, LP · CIK 0001796356 · 10% owner

Column Group IV-A, LP · CIK 0001796353 · 10% owner

Column Group IV, LP · CIK 0001796354 · 10% owner

Column Group Opportunity III, LP · CIK 0001931825 · 10% owner

Column Group Opportunity III GP, LP · CIK 0001932874 · 10% owner

TCG Opportunity III GP, LLC · CIK 0001932445 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Column Group IV-A, LP

Disclosed balance after: 47,601

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 the Issuer's Common Stock and has no expiration date

F1 · 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 the Issuer's Common Stock and has no expiration date

F3 · ownership.nature: The shares are directly held by The Column Group IV-A, LP ("TCG IV-A LP"). TCG IV GP LP is the general partner of the TCG IV-A LP and may be deemed to have voting and investment power with respect to shares directly held by the Reporting Person. Peter Svennilson and Tim Kutzkey are the managing partners of TCG IV GP LP and may each be deemed to share voting, investment and dispositive power with respect to securities directly held by TCG IV-A LP. Each of the Reporting Persons disclaims beneficial ownership of the securities noted herein, except to the extent of its or his pecuniary interest therein.

SEC source: 0001193125-26-043320 · ownership.xml · nonDerivative · entry 3

Column Group IV GP, LP · CIK 0001796356 · 10% owner

Column Group IV-A, LP · CIK 0001796353 · 10% owner

Column Group IV, LP · CIK 0001796354 · 10% owner

Column Group Opportunity III, LP · CIK 0001931825 · 10% owner

Column Group Opportunity III GP, LP · CIK 0001932874 · 10% owner

TCG Opportunity III GP, LLC · CIK 0001932445 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Column Group IV, LP

Disclosed balance after: 2,874,816

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 the Issuer's Common Stock and has no expiration date

F1 · 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 the Issuer's Common Stock and has no expiration date

F2 · ownership.nature: The shares are directly held by The Column Group IV, LP ("TCG IV LP"). The Column Group IV GP, LP ("TCG IV GP LP") is the general partner of TCG IV LP and may be deemed to have voting and investment power with respect to shares directly held by TCG IV LP. Peter Svennilson and Tim Kutzkey are the managing partners of TCG IV GP LP and may each be deemed to share voting, investment and dispositive power with respect to securities directly held by TCG IV LP. Each of the Reporting Persons disclaims beneficial ownership of the securities noted herein, except to the extent of its or his pecuniary interest therein.

SEC source: 0001193125-26-043320 · ownership.xml · nonDerivative · entry 2

Column Group IV GP, LP · CIK 0001796356 · 10% owner

Column Group IV-A, LP · CIK 0001796353 · 10% owner

Column Group IV, LP · CIK 0001796354 · 10% owner

Column Group Opportunity III, LP · CIK 0001931825 · 10% owner

Column Group Opportunity III GP, LP · CIK 0001932874 · 10% owner

TCG Opportunity III GP, LLC · CIK 0001932445 · 10% owner

Kutzkey Tim · CIK 0001614186 · 10% owner

Svennilson Peter · CIK 0001606074 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Column Group IV, LP

Disclosed balance after: 2,763,888

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 the Issuer's Common Stock and has no expiration date

F1 · 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 the Issuer's Common Stock and has no expiration date

F2 · ownership.nature: The shares are directly held by The Column Group IV, LP ("TCG IV LP"). The Column Group IV GP, LP ("TCG IV GP LP") is the general partner of TCG IV LP and may be deemed to have voting and investment power with respect to shares directly held by TCG IV LP. Peter Svennilson and Tim Kutzkey are the managing partners of TCG IV GP LP and may each be deemed to share voting, investment and dispositive power with respect to securities directly held by TCG IV LP. Each of the Reporting Persons disclaims beneficial ownership of the securities noted herein, except to the extent of its or his pecuniary interest therein.