Lightspeed Venture Partners Select II, L.P.

SEC source: 0001231919-25-000412 · form4-11042025_101147.xml · derivative · entry 14

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

LIGHTSPEED VENTURE PARTNERS SELECT III, L.P. · CIK 0001735240 · 10% owner

Lightspeed General Partner Select III, L.P. · CIK 0001912810 · 10% owner

Lightspeed Ultimate General Partner Select III, Ltd. · CIK 0001912675 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed Venture Partners Select II, L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,387,848 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · derivative.exercise_date: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · derivative.expiration_date: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F6 · ownership.nature: Shares are held by Lightspeed Venture Partners Select II, L.P. ("Lightspeed Select II"). Lightspeed General Partner Select II, L.P. ("LGP Select II") is the general partner of Lightspeed Select II. Lightspeed Ultimate General Partner Select II, Ltd. ("LUGP Select II") is the general partner of LGP Select II. Each of LGP Select II and LUGP Select II disclaims beneficial ownership of these shares except to the extent of its respective pecuniary interest therein.

SEC source: 0001231919-25-000412 · form4-11042025_101147.xml · derivative · entry 13

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

LIGHTSPEED VENTURE PARTNERS SELECT III, L.P. · CIK 0001735240 · 10% owner

Lightspeed General Partner Select III, L.P. · CIK 0001912810 · 10% owner

Lightspeed Ultimate General Partner Select III, Ltd. · CIK 0001912675 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed Venture Partners Select III, L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 4,490,223 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · derivative.exercise_date: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · derivative.expiration_date: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F7 · ownership.nature: Shares are held by Lightspeed Venture Partners Select III, L.P. ("Lightspeed Select III"). Lightspeed General Partner Select III, L.P. ("LGP Select III") is the general partner of Lightspeed Select III. Lightspeed Ultimate General Partner Select III, Ltd. ("LUGP Select III") is the general partner of LGP Select III. Each of LGP Select III and LUGP Select III disclaims beneficial ownership of these shares except to the extent of its respective pecuniary interest therein.

SEC source: 0001231919-25-000412 · form4-11042025_101147.xml · derivative · entry 12

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

LIGHTSPEED VENTURE PARTNERS SELECT III, L.P. · CIK 0001735240 · 10% owner

Lightspeed General Partner Select III, L.P. · CIK 0001912810 · 10% owner

Lightspeed Ultimate General Partner Select III, Ltd. · CIK 0001912675 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed Venture Partners Select II, L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 13,404,106 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · derivative.exercise_date: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · derivative.expiration_date: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F6 · ownership.nature: Shares are held by Lightspeed Venture Partners Select II, L.P. ("Lightspeed Select II"). Lightspeed General Partner Select II, L.P. ("LGP Select II") is the general partner of Lightspeed Select II. Lightspeed Ultimate General Partner Select II, Ltd. ("LUGP Select II") is the general partner of LGP Select II. Each of LGP Select II and LUGP Select II disclaims beneficial ownership of these shares except to the extent of its respective pecuniary interest therein.

SEC source: 0001231919-25-000412 · form4-11042025_101147.xml · derivative · entry 11

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

LIGHTSPEED VENTURE PARTNERS SELECT III, L.P. · CIK 0001735240 · 10% owner

Lightspeed General Partner Select III, L.P. · CIK 0001912810 · 10% owner

Lightspeed Ultimate General Partner Select III, Ltd. · CIK 0001912675 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed Venture Partners X, L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 2,680,821 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · derivative.exercise_date: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · derivative.expiration_date: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F2 · ownership.nature: Shares are held by Lightspeed Venture Partners X, L.P. ("Lightspeed X"). Lightspeed General Partner X, L.P. ("LGP X") is the general partner of Lightspeed X. Lightspeed Ultimate General Partner X, Ltd. ("LUGP X") is the general partner of LGP X. Each of LGP X and LUGP X disclaims beneficial ownership of these shares except to the extent of its respective pecuniary interest therein.

SEC source: 0001231919-25-000412 · form4-11042025_101147.xml · derivative · entry 10

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

LIGHTSPEED VENTURE PARTNERS SELECT III, L.P. · CIK 0001735240 · 10% owner

Lightspeed General Partner Select III, L.P. · CIK 0001912810 · 10% owner

Lightspeed Ultimate General Partner Select III, Ltd. · CIK 0001912675 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed Venture Partners X, L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 12,743,557 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · derivative.exercise_date: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · derivative.expiration_date: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F2 · ownership.nature: Shares are held by Lightspeed Venture Partners X, L.P. ("Lightspeed X"). Lightspeed General Partner X, L.P. ("LGP X") is the general partner of Lightspeed X. Lightspeed Ultimate General Partner X, Ltd. ("LUGP X") is the general partner of LGP X. Each of LGP X and LUGP X disclaims beneficial ownership of these shares except to the extent of its respective pecuniary interest therein.

SEC source: 0001231919-25-000412 · form4-11042025_101147.xml · derivative · entry 9

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

LIGHTSPEED VENTURE PARTNERS SELECT III, L.P. · CIK 0001735240 · 10% owner

Lightspeed General Partner Select III, L.P. · CIK 0001912810 · 10% owner

Lightspeed Ultimate General Partner Select III, Ltd. · CIK 0001912675 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed Venture Partners X, L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 4,026,218 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · derivative.exercise_date: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · derivative.expiration_date: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F2 · ownership.nature: Shares are held by Lightspeed Venture Partners X, L.P. ("Lightspeed X"). Lightspeed General Partner X, L.P. ("LGP X") is the general partner of Lightspeed X. Lightspeed Ultimate General Partner X, Ltd. ("LUGP X") is the general partner of LGP X. Each of LGP X and LUGP X disclaims beneficial ownership of these shares except to the extent of its respective pecuniary interest therein.

SEC source: 0001231919-25-000412 · form4-11042025_101147.xml · derivative · entry 8

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

LIGHTSPEED VENTURE PARTNERS SELECT III, L.P. · CIK 0001735240 · 10% owner

Lightspeed General Partner Select III, L.P. · CIK 0001912810 · 10% owner

Lightspeed Ultimate General Partner Select III, Ltd. · CIK 0001912675 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed Affiliates X, L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 192,885 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · derivative.exercise_date: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · derivative.expiration_date: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F3 · ownership.nature: Shares are held by Lightspeed Affiliates X, L.P. ("Affiliates X"). LGP X is the general partner of Affiliates X. LUGP X is the general partner of LGP X. Each of LGP X and LUGP X disclaims beneficial ownership of these shares except to the extent of its respective pecuniary interest therein.

SEC source: 0001231919-25-000412 · form4-11042025_101147.xml · derivative · entry 7

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

LIGHTSPEED VENTURE PARTNERS SELECT III, L.P. · CIK 0001735240 · 10% owner

Lightspeed General Partner Select III, L.P. · CIK 0001912810 · 10% owner

Lightspeed Ultimate General Partner Select III, Ltd. · CIK 0001912675 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed Venture Partners X, L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 3,914,906 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · derivative.exercise_date: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F1 · derivative.expiration_date: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F2 · ownership.nature: Shares are held by Lightspeed Venture Partners X, L.P. ("Lightspeed X"). Lightspeed General Partner X, L.P. ("LGP X") is the general partner of Lightspeed X. Lightspeed Ultimate General Partner X, Ltd. ("LUGP X") is the general partner of LGP X. Each of LGP X and LUGP X disclaims beneficial ownership of these shares except to the extent of its respective pecuniary interest therein.

SEC source: 0001231919-25-000412 · form4-11042025_101147.xml · nonDerivative · entry 6

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

LIGHTSPEED VENTURE PARTNERS SELECT III, L.P. · CIK 0001735240 · 10% owner

Lightspeed General Partner Select III, L.P. · CIK 0001912810 · 10% owner

Lightspeed Ultimate General Partner Select III, Ltd. · CIK 0001912675 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed Venture Partners Select III, L.P.

Disclosed balance after: 6,134,518

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

F1 · price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F7 · ownership.nature: Shares are held by Lightspeed Venture Partners Select III, L.P. ("Lightspeed Select III"). Lightspeed General Partner Select III, L.P. ("LGP Select III") is the general partner of Lightspeed Select III. Lightspeed Ultimate General Partner Select III, Ltd. ("LUGP Select III") is the general partner of LGP Select III. Each of LGP Select III and LUGP Select III disclaims beneficial ownership of these shares except to the extent of its respective pecuniary interest therein.

SEC source: 0001231919-25-000412 · form4-11042025_101147.xml · nonDerivative · entry 5

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

LIGHTSPEED VENTURE PARTNERS SELECT III, L.P. · CIK 0001735240 · 10% owner

Lightspeed General Partner Select III, L.P. · CIK 0001912810 · 10% owner

Lightspeed Ultimate General Partner Select III, Ltd. · CIK 0001912675 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed Venture Partners Select II, L.P.

Disclosed balance after: 14,859,595

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

F1 · price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F6 · ownership.nature: Shares are held by Lightspeed Venture Partners Select II, L.P. ("Lightspeed Select II"). Lightspeed General Partner Select II, L.P. ("LGP Select II") is the general partner of Lightspeed Select II. Lightspeed Ultimate General Partner Select II, Ltd. ("LUGP Select II") is the general partner of LGP Select II. Each of LGP Select II and LUGP Select II disclaims beneficial ownership of these shares except to the extent of its respective pecuniary interest therein.

SEC source: 0001231919-25-000412 · form4-11042025_101147.xml · nonDerivative · entry 4

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

LIGHTSPEED VENTURE PARTNERS SELECT III, L.P. · CIK 0001735240 · 10% owner

Lightspeed General Partner Select III, L.P. · CIK 0001912810 · 10% owner

Lightspeed Ultimate General Partner Select III, Ltd. · CIK 0001912675 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed Strategic Partners I L.P.

Disclosed balance after: 587,965

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

F1 · price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F5 · ownership.nature: Shares are held by Lightspeed Strategic Partners I L.P. ("Strategic"). Lightspeed Strategic Partners General Partner I L.P. ("LGP Strategic") is the general partner of Strategic. Lightspeed Strategic Partners Ultimate General Partner I L.L.C. ("LUGP Strategic") is the general partner of LGP Strategic. Each of LGP Strategic and LUGP Strategic disclaims beneficial ownership of these shares except to the extent of its respective pecuniary interest therein.

SEC source: 0001231919-25-000412 · form4-11042025_101147.xml · nonDerivative · entry 3

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

LIGHTSPEED VENTURE PARTNERS SELECT III, L.P. · CIK 0001735240 · 10% owner

Lightspeed General Partner Select III, L.P. · CIK 0001912810 · 10% owner

Lightspeed Ultimate General Partner Select III, Ltd. · CIK 0001912675 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed Opportunity Fund, L.P.

Disclosed balance after: 4,780,989

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

F1 · price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F4 · ownership.nature: Shares are held by Lightspeed Opportunity Fund, L.P. ("Opportunity"). Lightspeed General Partner Opportunity Fund, L.P. ("LGP Opportunity") is the general partner of Opportunity. Lightspeed Ultimate General Partner Opportunity Fund, Ltd. ("LUGP Opportunity") is the general partner of LGP Opportunity. Each of LGP Opportunity and LUGP Opportunity disclaims beneficial ownership of these shares except to the extent of its respective pecuniary interest therein.

SEC source: 0001231919-25-000412 · form4-11042025_101147.xml · nonDerivative · entry 2

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

LIGHTSPEED VENTURE PARTNERS SELECT III, L.P. · CIK 0001735240 · 10% owner

Lightspeed General Partner Select III, L.P. · CIK 0001912810 · 10% owner

Lightspeed Ultimate General Partner Select III, Ltd. · CIK 0001912675 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed Affiliates X, L.P.

Disclosed balance after: 192,885

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

F1 · price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F3 · ownership.nature: Shares are held by Lightspeed Affiliates X, L.P. ("Affiliates X"). LGP X is the general partner of Affiliates X. LUGP X is the general partner of LGP X. Each of LGP X and LUGP X disclaims beneficial ownership of these shares except to the extent of its respective pecuniary interest therein.

SEC source: 0001231919-25-000412 · form4-11042025_101147.xml · nonDerivative · entry 1

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

LIGHTSPEED VENTURE PARTNERS SELECT III, L.P. · CIK 0001735240 · 10% owner

Lightspeed General Partner Select III, L.P. · CIK 0001912810 · 10% owner

Lightspeed Ultimate General Partner Select III, Ltd. · CIK 0001912675 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed Venture Partners X, L.P.

Disclosed balance after: 23,365,502

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

F1 · price: Each share of Series Seed, Series A, Series A-1, Series B, Series C, Series C-1, Series D, Series E, Series F and Series G-1 Preferred Stock automatically converted into shares of Class A Common Stock immediately prior to the closing of the Issuer's initial public offering ("IPO") for no additional consideration at a conversion ratio that was dependent upon the initial price per share to the public in the Issuer's IPO.

F2 · ownership.nature: Shares are held by Lightspeed Venture Partners X, L.P. ("Lightspeed X"). Lightspeed General Partner X, L.P. ("LGP X") is the general partner of Lightspeed X. Lightspeed Ultimate General Partner X, Ltd. ("LUGP X") is the general partner of LGP X. Each of LGP X and LUGP X disclaims beneficial ownership of these shares except to the extent of its respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · derivative · entry 33

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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: 500

Underlying: Class A Common Stock · 500 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F1 · kind: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · price: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F16 · ownership.nature: The shares are held of record by LSS Fund II, LLC, or LSS Fund II. Lightspeed Scout Management, LLC, or Lightspeed Scout Mgmt, is the manager of LSS Fund II. Messrs. Eggers, Mhatre and Nieh, the managing members of Lightspeed Scout Mgmt, share voting and investment power with respect to the shares held of record by LSS Fund II. Each of Lightspeed Scout Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · derivative · entry 32

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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: 219,075

Underlying: Class A Common Stock · 219,075 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F1 · kind: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · price: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F15 · ownership.nature: The shares are held of record by Lightspeed Venture Partners XII, L.P., or Lightspeed XII. Lightspeed General Partner XII, L.P., or Lightspeed GP XII, is the general partner of Lightspeed XII and Lightspeed Ultimate General Partner XII, Ltd., or Lightspeed UGP XII, is the general partner of Lightspeed GP XII. Barry Eggers, Mr. Mhatre and Peter Nieh, the directors of Lightspeed UGP XII, share voting and investment power with respect to the shares held of record by Lightspeed XII. Each of Lightspeed GP XII, Lightspeed UGP XII and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · derivative · entry 31

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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: 4,340,640

Underlying: Class A Common Stock · 4,340,640 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F1 · kind: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · price: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F14 · ownership.nature: The shares are held of record by Lightspeed Opportunity Fund, L.P., or Lightspeed Opportunity Fund. Lightspeed General Partner Opportunity Fund, L.P., or Lightspeed GP Opportunity Fund, is the general partner of Lightspeed Opportunity Fund and Lightspeed Ultimate General Partner Opportunity Fund, Ltd., or Lightspeed UGP Opportunity Fund, is the general partner of Lightspeed GP Opportunity Fund. Arif Janmohamed and Ravi Mhatre, the directors of Lightspeed UGP Opportunity Fund, share voting and investment power with respect to the shares held of record by Lightspeed Opportunity Fund. Each of Lightspeed GP Opportunity Fund, Lightspeed UGP Opportunity Fund and Mr. Mhatre disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Janmohamed, a director of the Issuer, files separate Section 16 reports.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · derivative · entry 30

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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: 7,765,561

Underlying: Class A Common Stock · 7,765,561 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F1 · kind: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · price: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F12 · ownership.nature: The shares are held of record by Lightspeed SPV II-B, LLC, or Lightspeed SPV II-B. LS SPV Mgmt is the manager of Lightspeed SPV II-B. Messrs. Eggers, Mhatre and Nieh, the managers of LS SPV Mgmt, share voting and dispositive power with respect to the shares held of record by Lightspeed SPV II-B. Each of LS SPV Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · derivative · entry 29

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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: 15,608,645

Underlying: Class A Common Stock · 15,608,645 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F1 · kind: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · price: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F10 · ownership.nature: The shares are held of record by Lightspeed SPV II, LLC, or Lightspeed SPV II. LS SPV Management, LLC, or LS SPV Mgmt, is the manager of Lightspeed SPV II. Messrs. Eggers, Mhatre and Nieh, the managers of LS SPV Mgmt, share voting and dispositive power with respect to the shares held of record by Lightspeed SPV II. Each of LS SPV Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · derivative · entry 28

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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: 7,508,890

Underlying: Class A Common Stock · 7,508,890 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F1 · kind: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · price: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F9 · ownership.nature: The shares are held of record by Lightspeed Venture Partners Select II, L.P., or Lightspeed Select II. Lightspeed General Partner Select II, L.P., or Lightspeed GP Select II, is the general partner of Lightspeed Select II and Lightspeed Ultimate General Partner Select II, Ltd., or Lightspeed UGP Select II, is the general partner of Lightspeed GP Select II. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP Select II, share voting and investment power with respect to the shares held of record by Lightspeed Select II. Each of Lightspeed GP Select II, Lightspeed UGP Select II and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · derivative · entry 27

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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: 8,818,610

Underlying: Class A Common Stock · 8,818,610 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F1 · kind: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · price: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F8 · ownership.nature: The shares are held of record by Lightspeed Venture Partners Select, L.P., or Lightspeed Select. Lightspeed General Partner Select, L.P., or Lightspeed GP Select, is the general partner of Lightspeed Select and Lightspeed Ultimate General Partner Select, Ltd., or Lightspeed UGP Select, is the general partner of Lightspeed GP Select. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP Select, share voting and investment power with respect to the shares held of record by Lightspeed Select. Each of Lightspeed GP Select, Lightspeed UGP Select and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · derivative · entry 26

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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: 20,231,286

Underlying: Class A Common Stock · 20,231,286 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F1 · kind: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · price: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F4 · ownership.nature: The shares are held of record by Lightspeed Venture Partners IX, L.P., or Lightspeed IX. Lightspeed General Partner IX, L.P., or Lightspeed GP IX, is the general partner of Lightspeed IX and Lightspeed Ultimate General Partner IX, Ltd., or Lightspeed UGP IX, is the general partner of Lightspeed GP IX. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP IX, share voting and investment power with respect to the shares held of record by Lightspeed IX. Each of Lightspeed GP IX, Lightspeed UGP IX and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · nonDerivative · entry 14

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · kind: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · price: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F16 · ownership.nature: The shares are held of record by LSS Fund II, LLC, or LSS Fund II. Lightspeed Scout Management, LLC, or Lightspeed Scout Mgmt, is the manager of LSS Fund II. Messrs. Eggers, Mhatre and Nieh, the managing members of Lightspeed Scout Mgmt, share voting and investment power with respect to the shares held of record by LSS Fund II. Each of Lightspeed Scout Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · nonDerivative · entry 13

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · kind: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · price: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F15 · ownership.nature: The shares are held of record by Lightspeed Venture Partners XII, L.P., or Lightspeed XII. Lightspeed General Partner XII, L.P., or Lightspeed GP XII, is the general partner of Lightspeed XII and Lightspeed Ultimate General Partner XII, Ltd., or Lightspeed UGP XII, is the general partner of Lightspeed GP XII. Barry Eggers, Mr. Mhatre and Peter Nieh, the directors of Lightspeed UGP XII, share voting and investment power with respect to the shares held of record by Lightspeed XII. Each of Lightspeed GP XII, Lightspeed UGP XII and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · nonDerivative · entry 12

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · kind: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · price: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F14 · ownership.nature: The shares are held of record by Lightspeed Opportunity Fund, L.P., or Lightspeed Opportunity Fund. Lightspeed General Partner Opportunity Fund, L.P., or Lightspeed GP Opportunity Fund, is the general partner of Lightspeed Opportunity Fund and Lightspeed Ultimate General Partner Opportunity Fund, Ltd., or Lightspeed UGP Opportunity Fund, is the general partner of Lightspeed GP Opportunity Fund. Arif Janmohamed and Ravi Mhatre, the directors of Lightspeed UGP Opportunity Fund, share voting and investment power with respect to the shares held of record by Lightspeed Opportunity Fund. Each of Lightspeed GP Opportunity Fund, Lightspeed UGP Opportunity Fund and Mr. Mhatre disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Janmohamed, a director of the Issuer, files separate Section 16 reports.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · nonDerivative · entry 11

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · kind: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · price: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F12 · ownership.nature: The shares are held of record by Lightspeed SPV II-B, LLC, or Lightspeed SPV II-B. LS SPV Mgmt is the manager of Lightspeed SPV II-B. Messrs. Eggers, Mhatre and Nieh, the managers of LS SPV Mgmt, share voting and dispositive power with respect to the shares held of record by Lightspeed SPV II-B. Each of LS SPV Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · nonDerivative · entry 10

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · kind: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · price: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F10 · ownership.nature: The shares are held of record by Lightspeed SPV II, LLC, or Lightspeed SPV II. LS SPV Management, LLC, or LS SPV Mgmt, is the manager of Lightspeed SPV II. Messrs. Eggers, Mhatre and Nieh, the managers of LS SPV Mgmt, share voting and dispositive power with respect to the shares held of record by Lightspeed SPV II. Each of LS SPV Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · nonDerivative · entry 9

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · kind: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · price: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F9 · ownership.nature: The shares are held of record by Lightspeed Venture Partners Select II, L.P., or Lightspeed Select II. Lightspeed General Partner Select II, L.P., or Lightspeed GP Select II, is the general partner of Lightspeed Select II and Lightspeed Ultimate General Partner Select II, Ltd., or Lightspeed UGP Select II, is the general partner of Lightspeed GP Select II. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP Select II, share voting and investment power with respect to the shares held of record by Lightspeed Select II. Each of Lightspeed GP Select II, Lightspeed UGP Select II and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · nonDerivative · entry 8

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · kind: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · price: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F8 · ownership.nature: The shares are held of record by Lightspeed Venture Partners Select, L.P., or Lightspeed Select. Lightspeed General Partner Select, L.P., or Lightspeed GP Select, is the general partner of Lightspeed Select and Lightspeed Ultimate General Partner Select, Ltd., or Lightspeed UGP Select, is the general partner of Lightspeed GP Select. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP Select, share voting and investment power with respect to the shares held of record by Lightspeed Select. Each of Lightspeed GP Select, Lightspeed UGP Select and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · nonDerivative · entry 7

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · kind: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F1 · price: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F4 · ownership.nature: The shares are held of record by Lightspeed Venture Partners IX, L.P., or Lightspeed IX. Lightspeed General Partner IX, L.P., or Lightspeed GP IX, is the general partner of Lightspeed IX and Lightspeed Ultimate General Partner IX, Ltd., or Lightspeed UGP IX, is the general partner of Lightspeed GP IX. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP IX, share voting and investment power with respect to the shares held of record by Lightspeed IX. Each of Lightspeed GP IX, Lightspeed UGP IX and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · derivative · entry 25

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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 · 1,053,886 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.

F13 · derivative.exercise_price: Each share of Series H Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F13 · price: Each share of Series H Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F13 · derivative.exercise_date: Each share of Series H Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F13 · derivative.expiration_date: Each share of Series H Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F1 · derivative.underlying: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F14 · ownership.nature: The shares are held of record by Lightspeed Opportunity Fund, L.P., or Lightspeed Opportunity Fund. Lightspeed General Partner Opportunity Fund, L.P., or Lightspeed GP Opportunity Fund, is the general partner of Lightspeed Opportunity Fund and Lightspeed Ultimate General Partner Opportunity Fund, Ltd., or Lightspeed UGP Opportunity Fund, is the general partner of Lightspeed GP Opportunity Fund. Arif Janmohamed and Ravi Mhatre, the directors of Lightspeed UGP Opportunity Fund, share voting and investment power with respect to the shares held of record by Lightspeed Opportunity Fund. Each of Lightspeed GP Opportunity Fund, Lightspeed UGP Opportunity Fund and Mr. Mhatre disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Janmohamed, a director of the Issuer, files separate Section 16 reports.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · derivative · entry 24

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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 · 2,986,754 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.

F11 · derivative.exercise_price: Each share of Series G Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F11 · price: Each share of Series G Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F11 · derivative.exercise_date: Each share of Series G Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F11 · derivative.expiration_date: Each share of Series G Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F1 · derivative.underlying: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F14 · ownership.nature: The shares are held of record by Lightspeed Opportunity Fund, L.P., or Lightspeed Opportunity Fund. Lightspeed General Partner Opportunity Fund, L.P., or Lightspeed GP Opportunity Fund, is the general partner of Lightspeed Opportunity Fund and Lightspeed Ultimate General Partner Opportunity Fund, Ltd., or Lightspeed UGP Opportunity Fund, is the general partner of Lightspeed GP Opportunity Fund. Arif Janmohamed and Ravi Mhatre, the directors of Lightspeed UGP Opportunity Fund, share voting and investment power with respect to the shares held of record by Lightspeed Opportunity Fund. Each of Lightspeed GP Opportunity Fund, Lightspeed UGP Opportunity Fund and Mr. Mhatre disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Janmohamed, a director of the Issuer, files separate Section 16 reports.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · derivative · entry 23

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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 · 7,765,561 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.

F11 · derivative.exercise_price: Each share of Series G Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F11 · price: Each share of Series G Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F11 · derivative.exercise_date: Each share of Series G Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F11 · derivative.expiration_date: Each share of Series G Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F1 · derivative.underlying: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F12 · ownership.nature: The shares are held of record by Lightspeed SPV II-B, LLC, or Lightspeed SPV II-B. LS SPV Mgmt is the manager of Lightspeed SPV II-B. Messrs. Eggers, Mhatre and Nieh, the managers of LS SPV Mgmt, share voting and dispositive power with respect to the shares held of record by Lightspeed SPV II-B. Each of LS SPV Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · derivative · entry 22

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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 · 15,608,645 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: Each share of Series F Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F7 · price: Each share of Series F Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F7 · derivative.exercise_date: Each share of Series F Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F7 · derivative.expiration_date: Each share of Series F Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F1 · derivative.underlying: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F10 · ownership.nature: The shares are held of record by Lightspeed SPV II, LLC, or Lightspeed SPV II. LS SPV Management, LLC, or LS SPV Mgmt, is the manager of Lightspeed SPV II. Messrs. Eggers, Mhatre and Nieh, the managers of LS SPV Mgmt, share voting and dispositive power with respect to the shares held of record by Lightspeed SPV II. Each of LS SPV Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · derivative · entry 21

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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 · 1,836,311 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: Each share of Series F Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F7 · price: Each share of Series F Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F7 · derivative.exercise_date: Each share of Series F Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F7 · derivative.expiration_date: Each share of Series F Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F1 · derivative.underlying: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F9 · ownership.nature: The shares are held of record by Lightspeed Venture Partners Select II, L.P., or Lightspeed Select II. Lightspeed General Partner Select II, L.P., or Lightspeed GP Select II, is the general partner of Lightspeed Select II and Lightspeed Ultimate General Partner Select II, Ltd., or Lightspeed UGP Select II, is the general partner of Lightspeed GP Select II. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP Select II, share voting and investment power with respect to the shares held of record by Lightspeed Select II. Each of Lightspeed GP Select II, Lightspeed UGP Select II and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · derivative · entry 20

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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 · 918,155 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: Each share of Series F Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F7 · price: Each share of Series F Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F7 · derivative.exercise_date: Each share of Series F Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F7 · derivative.expiration_date: Each share of Series F Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F1 · derivative.underlying: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F8 · ownership.nature: The shares are held of record by Lightspeed Venture Partners Select, L.P., or Lightspeed Select. Lightspeed General Partner Select, L.P., or Lightspeed GP Select, is the general partner of Lightspeed Select and Lightspeed Ultimate General Partner Select, Ltd., or Lightspeed UGP Select, is the general partner of Lightspeed GP Select. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP Select, share voting and investment power with respect to the shares held of record by Lightspeed Select. Each of Lightspeed GP Select, Lightspeed UGP Select and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · derivative · entry 19

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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 · 5,672,579 shares

Expires not disclosed

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

F6 · derivative.exercise_price: Each share of Series E Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F6 · price: Each share of Series E Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F6 · derivative.exercise_date: Each share of Series E Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F6 · derivative.expiration_date: Each share of Series E Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F1 · derivative.underlying: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F9 · ownership.nature: The shares are held of record by Lightspeed Venture Partners Select II, L.P., or Lightspeed Select II. Lightspeed General Partner Select II, L.P., or Lightspeed GP Select II, is the general partner of Lightspeed Select II and Lightspeed Ultimate General Partner Select II, Ltd., or Lightspeed UGP Select II, is the general partner of Lightspeed GP Select II. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP Select II, share voting and investment power with respect to the shares held of record by Lightspeed Select II. Each of Lightspeed GP Select II, Lightspeed UGP Select II and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · derivative · entry 18

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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 · 5,672,579 shares

Expires not disclosed

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

F6 · derivative.exercise_price: Each share of Series E Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F6 · price: Each share of Series E Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F6 · derivative.exercise_date: Each share of Series E Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F6 · derivative.expiration_date: Each share of Series E Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F1 · derivative.underlying: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F8 · ownership.nature: The shares are held of record by Lightspeed Venture Partners Select, L.P., or Lightspeed Select. Lightspeed General Partner Select, L.P., or Lightspeed GP Select, is the general partner of Lightspeed Select and Lightspeed Ultimate General Partner Select, Ltd., or Lightspeed UGP Select, is the general partner of Lightspeed GP Select. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP Select, share voting and investment power with respect to the shares held of record by Lightspeed Select. Each of Lightspeed GP Select, Lightspeed UGP Select and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · derivative · entry 17

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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 · 2,227,876 shares

Expires not disclosed

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

F5 · derivative.exercise_price: Each share of Series D Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F5 · price: Each share of Series D Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F5 · derivative.exercise_date: Each share of Series D Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F5 · derivative.expiration_date: Each share of Series D Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F1 · derivative.underlying: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F8 · ownership.nature: The shares are held of record by Lightspeed Venture Partners Select, L.P., or Lightspeed Select. Lightspeed General Partner Select, L.P., or Lightspeed GP Select, is the general partner of Lightspeed Select and Lightspeed Ultimate General Partner Select, Ltd., or Lightspeed UGP Select, is the general partner of Lightspeed GP Select. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP Select, share voting and investment power with respect to the shares held of record by Lightspeed Select. Each of Lightspeed GP Select, Lightspeed UGP Select and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · derivative · entry 16

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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 · 4,338,826 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: Each share of Series C Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F3 · price: Each share of Series C Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F3 · derivative.exercise_date: Each share of Series C Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F3 · derivative.expiration_date: Each share of Series C Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F1 · derivative.underlying: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F4 · ownership.nature: The shares are held of record by Lightspeed Venture Partners IX, L.P., or Lightspeed IX. Lightspeed General Partner IX, L.P., or Lightspeed GP IX, is the general partner of Lightspeed IX and Lightspeed Ultimate General Partner IX, Ltd., or Lightspeed UGP IX, is the general partner of Lightspeed GP IX. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP IX, share voting and investment power with respect to the shares held of record by Lightspeed IX. Each of Lightspeed GP IX, Lightspeed UGP IX and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · derivative · entry 15

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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 · 15,892,460 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.

F2 · derivative.exercise_price: Each share of Series B Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F2 · price: Each share of Series B Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F2 · derivative.exercise_date: Each share of Series B Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F2 · derivative.expiration_date: Each share of Series B Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F1 · derivative.underlying: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F4 · ownership.nature: The shares are held of record by Lightspeed Venture Partners IX, L.P., or Lightspeed IX. Lightspeed General Partner IX, L.P., or Lightspeed GP IX, is the general partner of Lightspeed IX and Lightspeed Ultimate General Partner IX, Ltd., or Lightspeed UGP IX, is the general partner of Lightspeed GP IX. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP IX, share voting and investment power with respect to the shares held of record by Lightspeed IX. Each of Lightspeed GP IX, Lightspeed UGP IX and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · nonDerivative · entry 6

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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: 4,340,640

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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F11 · price: Each share of Series G Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F13 · price: Each share of Series H Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F14 · ownership.nature: The shares are held of record by Lightspeed Opportunity Fund, L.P., or Lightspeed Opportunity Fund. Lightspeed General Partner Opportunity Fund, L.P., or Lightspeed GP Opportunity Fund, is the general partner of Lightspeed Opportunity Fund and Lightspeed Ultimate General Partner Opportunity Fund, Ltd., or Lightspeed UGP Opportunity Fund, is the general partner of Lightspeed GP Opportunity Fund. Arif Janmohamed and Ravi Mhatre, the directors of Lightspeed UGP Opportunity Fund, share voting and investment power with respect to the shares held of record by Lightspeed Opportunity Fund. Each of Lightspeed GP Opportunity Fund, Lightspeed UGP Opportunity Fund and Mr. Mhatre disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Janmohamed, a director of the Issuer, files separate Section 16 reports.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · nonDerivative · entry 5

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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: 7,765,561

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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F11 · price: Each share of Series G Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F12 · ownership.nature: The shares are held of record by Lightspeed SPV II-B, LLC, or Lightspeed SPV II-B. LS SPV Mgmt is the manager of Lightspeed SPV II-B. Messrs. Eggers, Mhatre and Nieh, the managers of LS SPV Mgmt, share voting and dispositive power with respect to the shares held of record by Lightspeed SPV II-B. Each of LS SPV Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · nonDerivative · entry 4

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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: 15,608,645

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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F7 · price: Each share of Series F Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F10 · ownership.nature: The shares are held of record by Lightspeed SPV II, LLC, or Lightspeed SPV II. LS SPV Management, LLC, or LS SPV Mgmt, is the manager of Lightspeed SPV II. Messrs. Eggers, Mhatre and Nieh, the managers of LS SPV Mgmt, share voting and dispositive power with respect to the shares held of record by Lightspeed SPV II. Each of LS SPV Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · nonDerivative · entry 3

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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: 7,508,890

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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F6 · price: Each share of Series E Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F7 · price: Each share of Series F Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F9 · ownership.nature: The shares are held of record by Lightspeed Venture Partners Select II, L.P., or Lightspeed Select II. Lightspeed General Partner Select II, L.P., or Lightspeed GP Select II, is the general partner of Lightspeed Select II and Lightspeed Ultimate General Partner Select II, Ltd., or Lightspeed UGP Select II, is the general partner of Lightspeed GP Select II. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP Select II, share voting and investment power with respect to the shares held of record by Lightspeed Select II. Each of Lightspeed GP Select II, Lightspeed UGP Select II and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · nonDerivative · entry 2

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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: 8,818,610

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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F5 · price: Each share of Series D Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F6 · price: Each share of Series E Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F7 · price: Each share of Series F Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F8 · ownership.nature: The shares are held of record by Lightspeed Venture Partners Select, L.P., or Lightspeed Select. Lightspeed General Partner Select, L.P., or Lightspeed GP Select, is the general partner of Lightspeed Select and Lightspeed Ultimate General Partner Select, Ltd., or Lightspeed UGP Select, is the general partner of Lightspeed GP Select. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP Select, share voting and investment power with respect to the shares held of record by Lightspeed Select. Each of Lightspeed GP Select, Lightspeed UGP Select and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · nonDerivative · entry 1

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 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: 20,231,286

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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F2 · price: Each share of Series B Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F3 · price: Each share of Series C Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F4 · ownership.nature: The shares are held of record by Lightspeed Venture Partners IX, L.P., or Lightspeed IX. Lightspeed General Partner IX, L.P., or Lightspeed GP IX, is the general partner of Lightspeed IX and Lightspeed Ultimate General Partner IX, Ltd., or Lightspeed UGP IX, is the general partner of Lightspeed GP IX. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP IX, share voting and investment power with respect to the shares held of record by Lightspeed IX. Each of Lightspeed GP IX, Lightspeed UGP IX and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001415889-25-018595 · form4-07012025_010757.xml · derivative · entry 29

Lightspeed Venture Partners IX, L.P. · CIK 0001539061 · 10% owner

Lightspeed General Partner IX, L.P. · CIK 0001913317 · 10% owner

Lightspeed Ultimate General Partner IX, Ltd. · CIK 0001912676 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed SPV I, LLC · CIK 0001703140 · 10% owner

Lightspeed SPV I-B, LLC · CIK 0001759394 · 10% owner

Lightspeed SPV I-C, LLC · CIK 0001827893 · 10% owner

LS SPV Management, LLC · CIK 0001978139 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed SPV I-C, LLC

Disclosed balance after: 1,381,358

Underlying: Class A Common Stock · 892,000 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.

F31 · derivative.exercise_price: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F31 · derivative.exercise_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F31 · derivative.expiration_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F5 · ownership.nature: Shares are held by Lightspeed SPV I-C, LLC ("Lightspeed SPV I-C"). LS SPV is the manager of Lightspeed SPV I-C. Barry Eggers, Ravi Mhatre, and Peter Nieh are the managing members of LS SPV and share voting and dispositive power with respect to the shares held by Lightspeed SPV I-C. Each of LS SPV and Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001415889-25-018595 · form4-07012025_010757.xml · derivative · entry 28

Lightspeed Venture Partners IX, L.P. · CIK 0001539061 · 10% owner

Lightspeed General Partner IX, L.P. · CIK 0001913317 · 10% owner

Lightspeed Ultimate General Partner IX, Ltd. · CIK 0001912676 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed SPV I, LLC · CIK 0001703140 · 10% owner

Lightspeed SPV I-B, LLC · CIK 0001759394 · 10% owner

Lightspeed SPV I-C, LLC · CIK 0001827893 · 10% owner

LS SPV Management, LLC · CIK 0001978139 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed SPV I-B, LLC

Disclosed balance after: 1,973,511

Underlying: Class A Common Stock · 1,274,000 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.

F31 · derivative.exercise_price: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F31 · derivative.exercise_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F31 · derivative.expiration_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F4 · ownership.nature: Shares are held by Lightspeed SPV I-B, LLC ("Lightspeed SPV I-B"). LS SPV is the manager of Lightspeed SPV I-B. Barry Eggers, Ravi Mhatre, and Peter Nieh are the managing members of LS SPV and share voting and dispositive power with respect to the shares held by Lightspeed SPV I-B. Each of LS SPV and Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001415889-25-018595 · form4-07012025_010757.xml · derivative · entry 27

Lightspeed Venture Partners IX, L.P. · CIK 0001539061 · 10% owner

Lightspeed General Partner IX, L.P. · CIK 0001913317 · 10% owner

Lightspeed Ultimate General Partner IX, Ltd. · CIK 0001912676 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed SPV I, LLC · CIK 0001703140 · 10% owner

Lightspeed SPV I-B, LLC · CIK 0001759394 · 10% owner

Lightspeed SPV I-C, LLC · CIK 0001827893 · 10% owner

LS SPV Management, LLC · CIK 0001978139 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed SPV I, LLC

Disclosed balance after: 2,507,457

Underlying: Class A Common Stock · 2,004,000 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.

F31 · derivative.exercise_price: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F31 · derivative.exercise_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F31 · derivative.expiration_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F3 · ownership.nature: Shares are held by Lightspeed SPV I, LLC ("Lightspeed SPV I"). LS SPV Management, LLC ("LS SPV") is the manager of Lightspeed SPV I. Barry Eggers, Ravi Mhatre and Peter Nieh are the managing members of LS SPV and share voting and dispositive power with respect to the shares held by Lightspeed SPV I. Each of LS SPV and Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.