RBRK

SEC source: 0001415889-25-019452 · form4-07072025_110732.xml · nonDerivative · entry 1

THOMPSON JOHN WENDELL · CIK 0001207433 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By John and Sandra Thompson Trust

Disclosed balance after: 10,007

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

F1 · ownership.nature: The shares are held of record by John and Sandra Thompson Trust, for which the Reporting Person serves as a co-trustee and shares voting and dispositive power with his spouse.

SEC source: 0001415889-25-020981 · form4-08042025_100853.xml · derivative · entry 9

THOMPSON JOHN WENDELL · CIK 0001207433 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By John and Sandra Thompson Trust

Disclosed balance after: 881,374

Underlying: Class A Common Stock · 9,009 shares

Expires not disclosed

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

F8 · derivative.exercise_price: Each share of Class B Common Stock held by the Reporting Person 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 will also be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock.

F8 · price: Each share of Class B Common Stock held by the Reporting Person 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 will also be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock.

F8 · derivative.exercise_date: Each share of Class B Common Stock held by the Reporting Person 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 will also be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock.

F8 · derivative.expiration_date: Each share of Class B Common Stock held by the Reporting Person 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 will also be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock.

F1 · ownership.nature: The shares are held of record by John and Sandra Thompson Trust, for which the Reporting Person serves as a co-trustee and shares voting and dispositive power with his spouse.

SEC source: 0001415889-25-019110 · form4-07022025_090714.xml · nonDerivative · entry 1

Nithrakashyap Arvind · CIK 0002019143 · Director · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 333,073

F1 · kind: Represents the grant of restricted stock units ("RSUs"). The RSUs vest over 4 years. One sixteenth of the total number of RSUs vest on each of September 15, December 15, March 15, and June 15, subject to the reporting person's continuous service with the Issuer on each such vest date.

SEC source: 0001415889-25-019165 · form4-07032025_120701.xml · nonDerivative · entry 1

Lightspeed Management Company, L.L.C. · CIK 0001702122 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.30 to $89.69 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.direct: Shares are held by Lightspeed Management Company, L.L.C. ("LMC"). Barry Eggers, Ravi Mhatre, and Peter Nieh are managing members of LMC and share voting and dispositive power with respect to the shares held by LMC. Each of Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001415889-25-019167 · form4-07032025_120711.xml · nonDerivative · entry 1

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed Management Company, L.L.C.

Disclosed balance after: 0

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.30 to $89.69 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: Shares are held by Lightspeed Management Company, L.L.C. ("LMC"). The Reporting Person is a managing member of LMC and shares voting and dispositive power with respect to the shares held by LMC. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0000950170-25-090572 · ownership.xml · derivative · entry 9

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 1,359,640

Underlying: Class A Common Stock · 20,423 shares

Expires not disclosed

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

F3 · derivative.exercise_price: The Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F3 · derivative.exercise_date: The Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F3 · derivative.expiration_date: The Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F1 · ownership.nature: Represents securities held directly by Bain Capital Venture Fund 2019, L.P., Bain Capital Venture Partners 2019, L.P., Bain Capital Venture Coinvestment Fund II, L.P., Bain Capital Venture Coinvestment II Partners, L.P., BCV 2019-MD Primary, L.P., BCV 2019-MD Coinvestment II, L.P., BCIP Venture Associates II, L.P. and BCIP Venture Associates II-B, L.P. (collectively, the "Bain Capital Venture Entities").

F2 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of Bain Capital Venture Investors, LLC ("BCVI"). Mr. Salem is a Partner of BCVI and a member of the Executive Committee. Accordingly, by virtue of the relationships described in this footnote, Mr. Salem may be deemed to share voting and dispositive power with respect to all of the securities held by the Bain Capital Venture Entities. Mr. Salem disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000950170-25-090572 · ownership.xml · nonDerivative · entry 6

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.20 to $91.5394, inclusive.

F1 · ownership.nature: Represents securities held directly by Bain Capital Venture Fund 2019, L.P., Bain Capital Venture Partners 2019, L.P., Bain Capital Venture Coinvestment Fund II, L.P., Bain Capital Venture Coinvestment II Partners, L.P., BCV 2019-MD Primary, L.P., BCV 2019-MD Coinvestment II, L.P., BCIP Venture Associates II, L.P. and BCIP Venture Associates II-B, L.P. (collectively, the "Bain Capital Venture Entities").

F2 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of Bain Capital Venture Investors, LLC ("BCVI"). Mr. Salem is a Partner of BCVI and a member of the Executive Committee. Accordingly, by virtue of the relationships described in this footnote, Mr. Salem may be deemed to share voting and dispositive power with respect to all of the securities held by the Bain Capital Venture Entities. Mr. Salem disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000950170-25-090572 · ownership.xml · nonDerivative · entry 5

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 1,041

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $90.13 to $91.02, inclusive.

F1 · ownership.nature: Represents securities held directly by Bain Capital Venture Fund 2019, L.P., Bain Capital Venture Partners 2019, L.P., Bain Capital Venture Coinvestment Fund II, L.P., Bain Capital Venture Coinvestment II Partners, L.P., BCV 2019-MD Primary, L.P., BCV 2019-MD Coinvestment II, L.P., BCIP Venture Associates II, L.P. and BCIP Venture Associates II-B, L.P. (collectively, the "Bain Capital Venture Entities").

F2 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of Bain Capital Venture Investors, LLC ("BCVI"). Mr. Salem is a Partner of BCVI and a member of the Executive Committee. Accordingly, by virtue of the relationships described in this footnote, Mr. Salem may be deemed to share voting and dispositive power with respect to all of the securities held by the Bain Capital Venture Entities. Mr. Salem disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000950170-25-090572 · ownership.xml · nonDerivative · entry 4

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 3,745

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.10 to $90.10, inclusive. The reporting person undertakes to provide to Rubrik, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (5) through (7) herein.

F1 · ownership.nature: Represents securities held directly by Bain Capital Venture Fund 2019, L.P., Bain Capital Venture Partners 2019, L.P., Bain Capital Venture Coinvestment Fund II, L.P., Bain Capital Venture Coinvestment II Partners, L.P., BCV 2019-MD Primary, L.P., BCV 2019-MD Coinvestment II, L.P., BCIP Venture Associates II, L.P. and BCIP Venture Associates II-B, L.P. (collectively, the "Bain Capital Venture Entities").

F2 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of Bain Capital Venture Investors, LLC ("BCVI"). Mr. Salem is a Partner of BCVI and a member of the Executive Committee. Accordingly, by virtue of the relationships described in this footnote, Mr. Salem may be deemed to share voting and dispositive power with respect to all of the securities held by the Bain Capital Venture Entities. Mr. Salem disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000950170-25-090572 · ownership.xml · nonDerivative · entry 3

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 21,924

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

F3 · price: The Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F1 · ownership.nature: Represents securities held directly by Bain Capital Venture Fund 2019, L.P., Bain Capital Venture Partners 2019, L.P., Bain Capital Venture Coinvestment Fund II, L.P., Bain Capital Venture Coinvestment II Partners, L.P., BCV 2019-MD Primary, L.P., BCV 2019-MD Coinvestment II, L.P., BCIP Venture Associates II, L.P. and BCIP Venture Associates II-B, L.P. (collectively, the "Bain Capital Venture Entities").

F2 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of Bain Capital Venture Investors, LLC ("BCVI"). Mr. Salem is a Partner of BCVI and a member of the Executive Committee. Accordingly, by virtue of the relationships described in this footnote, Mr. Salem may be deemed to share voting and dispositive power with respect to all of the securities held by the Bain Capital Venture Entities. Mr. Salem disclaims beneficial ownership of such securities except to the extent of his 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.

SEC source: 0001415889-25-018595 · form4-07012025_010757.xml · derivative · entry 26

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 Venture Partners Select II, L.P.

Disclosed balance after: 1,288,410

Underlying: Class A Common Stock · 1,031,000 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.

F2 · 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. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP Select II and share voting and dispositive power with respect to the shares held by Lightspeed Select II. Each of LGP Select II, LUGP Select II 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 25

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: Direct

Disclosed balance after: 5,549,816

Underlying: Class A Common Stock · 4,440,000 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.

F1 · ownership.direct: Shares are held by Lightspeed Venture Partners IX, L.P. ("Lightspeed IX"). Lightspeed General Partner IX, L.P. ("LGP IX") is the general partner of Lightspeed IX. Lightspeed Ultimate General Partner IX, Ltd. ("LUGP IX") is the general partner of LGP IX. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP IX and share voting and dispositive power with respect to the shares held by Lightspeed IX. Each of LGP IX, LUGP IX 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 · nonDerivative · entry 22

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 Nieh Family Investments LP - Fund 4

Disclosed balance after: 50,331

F21 · kind: Represents receipt of shares in the distribution in kind described in footnote (13).

F28 · ownership.nature: Peter Nieh serves as co-trustee of the general partner of Nieh Family Investments LP - Fund 4.

SEC source: 0001415889-25-018595 · form4-07012025_010757.xml · nonDerivative · entry 21

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 Nieh Family Investments LP - Fund 2

Disclosed balance after: 396,874

F20 · kind: Represents receipt of shares in the distribution in kind described in footnote (9).

F27 · ownership.nature: Peter Nieh serves as co-trustee of the general partner of Nieh Family Investments LP - Fund 2.

SEC source: 0001415889-25-018595 · form4-07012025_010757.xml · nonDerivative · entry 20

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: Direct

Disclosed balance after: 59,182

F23 · kind: Represents receipt of shares in the distribution in kind described in footnote (19).

F26 · ownership.direct: Shares are held by Peter Nieh.

SEC source: 0001415889-25-018595 · form4-07012025_010757.xml · nonDerivative · entry 19

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 Eggers Investments LP - Fund 2

Disclosed balance after: 356,242

F20 · kind: Represents receipt of shares in the distribution in kind described in footnote (9).

F21 · kind: Represents receipt of shares in the distribution in kind described in footnote (13).

F25 · ownership.nature: Barry Eggers serves as trustee of the general partner of Eggers Investments LP - Fund 2.

SEC source: 0001415889-25-018595 · form4-07012025_010757.xml · nonDerivative · entry 18

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: Direct

Disclosed balance after: 59,182

F23 · kind: Represents receipt of shares in the distribution in kind described in footnote (19).

F24 · ownership.direct: Shares are held by Barry Eggers.

SEC source: 0001415889-25-018595 · form4-07012025_010757.xml · nonDerivative · entry 17

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 Management Company, L.L.C.

Disclosed balance after: 16,984

F20 · kind: Represents receipt of shares in the distribution in kind described in footnote (9).

F21 · kind: Represents receipt of shares in the distribution in kind described in footnote (13).

F22 · ownership.nature: Shares are held by Lightspeed Management Company, L.L.C. ("LMC"). Barry Eggers, Ravi Mhatre, and Peter Nieh are managing members of LMC and share voting and dispositive power with respect to the shares held by LMC. Each of Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of 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 · nonDerivative · entry 16

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 LS SPV Management, LLC

Disclosed balance after: 0

F19 · kind: Represents an in-kind distribution by LS SPV without consideration to its members.

F18 · ownership.nature: Shares are held by LS SPV. 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 LS SPV. Each of 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 · nonDerivative · entry 15

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 LS SPV Management, LLC

Disclosed balance after: 400,800

F17 · kind: Represents receipt of shares in the distribution in kind described in footnote (14).

F18 · ownership.nature: Shares are held by LS SPV. 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 LS SPV. Each of 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 · nonDerivative · entry 14

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: 0

F16 · kind: Represents an in-kind distribution by Lightspeed SPV I-C without consideration to its members.

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 · nonDerivative · entry 13

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: 0

F15 · kind: Represents an in-kind distribution by Lightspeed SPV I-B without consideration to its members.

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 · nonDerivative · entry 12

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: 0

F14 · kind: Represents an in-kind distribution by Lightspeed SPV I without consideration to its members (including LS SPV).

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.

SEC source: 0001415889-25-018595 · form4-07012025_010757.xml · nonDerivative · entry 11

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 General Partner Select II, L.P.

Disclosed balance after: 0

F13 · kind: Represents an in-kind distribution by LGP Select II without consideration to its partners.

F12 · ownership.nature: Shares are held by LGP Select II. LUGP Select II is the general partner of LGP Select II. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP Select II and share voting and dispositive power with respect to the shares held by LGP Select II. Each of LUGP Select II 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 · nonDerivative · entry 10

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 General Partner Select II, L.P.

Disclosed balance after: 218,572

F11 · kind: Represents receipt of shares in the distribution in kind described in footnote (10).

F12 · ownership.nature: Shares are held by LGP Select II. LUGP Select II is the general partner of LGP Select II. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP Select II and share voting and dispositive power with respect to the shares held by LGP Select II. Each of LUGP Select II 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 · nonDerivative · entry 9

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 Venture Partners Select II, L.P.

Disclosed balance after: 0

F10 · kind: Represents an in-kind distribution by Lightspeed Select II without consideration to its partners (including LGP Select II).

F2 · 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. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP Select II and share voting and dispositive power with respect to the shares held by Lightspeed Select II. Each of LGP Select II, LUGP Select II 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 · nonDerivative · entry 8

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 General Partner IX, L.P.

Disclosed balance after: 0

F9 · kind: Represents an in-kind distribution by LGP IX without consideration to its partners.

F8 · ownership.nature: Shares are held by LGP IX. LUGP IX is the general partner of LGP IX. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP IX and share voting and dispositive power with respect to the shares held by LGP IX. Each of LUGP IX 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 · nonDerivative · entry 7

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 General Partner IX, L.P.

Disclosed balance after: 1,159,950

F7 · kind: Represents receipt of shares in the distribution in kind described in footnote (6).

F8 · ownership.nature: Shares are held by LGP IX. LUGP IX is the general partner of LGP IX. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP IX and share voting and dispositive power with respect to the shares held by LGP IX. Each of LUGP IX 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 · nonDerivative · entry 6

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: Direct

Disclosed balance after: 0

F6 · kind: Represents an in-kind distribution by Lightspeed IX without consideration to its partners (including LGP IX).

F1 · ownership.direct: Shares are held by Lightspeed Venture Partners IX, L.P. ("Lightspeed IX"). Lightspeed General Partner IX, L.P. ("LGP IX") is the general partner of Lightspeed IX. Lightspeed Ultimate General Partner IX, Ltd. ("LUGP IX") is the general partner of LGP IX. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP IX and share voting and dispositive power with respect to the shares held by Lightspeed IX. Each of LGP IX, LUGP IX 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 · nonDerivative · entry 5

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: 892,000

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 · 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 · nonDerivative · entry 4

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: 1,274,000

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

F4 · 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 · nonDerivative · entry 3

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: 2,004,000

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

F3 · ownership.nature: 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.

SEC source: 0001415889-25-018595 · form4-07012025_010757.xml · nonDerivative · entry 2

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 Venture Partners Select II, L.P.

Disclosed balance after: 1,031,000

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

F2 · ownership.nature: 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. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP Select II and share voting and dispositive power with respect to the shares held by Lightspeed Select II. Each of LGP Select II, LUGP Select II 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 · nonDerivative · entry 1

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: Direct

Disclosed balance after: 4,440,000

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

F1 · ownership.direct: Shares are held by Lightspeed Venture Partners IX, L.P. ("Lightspeed IX"). Lightspeed General Partner IX, L.P. ("LGP IX") is the general partner of Lightspeed IX. Lightspeed Ultimate General Partner IX, Ltd. ("LUGP IX") is the general partner of LGP IX. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP IX and share voting and dispositive power with respect to the shares held by Lightspeed IX. Each of LGP IX, LUGP IX 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: 0001415889-25-018596 · form4-07012025_010730.xml · derivative · entry 29

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 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: 0001415889-25-018596 · form4-07012025_010730.xml · derivative · entry 28

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 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: 0001415889-25-018596 · form4-07012025_010730.xml · derivative · entry 27

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 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.

SEC source: 0001415889-25-018596 · form4-07012025_010730.xml · derivative · entry 26

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 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: 1,288,410

Underlying: Class A Common Stock · 1,031,000 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.

F2 · 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. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP Select II and share voting and dispositive power with respect to the shares held by Lightspeed Select II. Each of LGP Select II, LUGP Select II 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: 0001415889-25-018596 · form4-07012025_010730.xml · derivative · entry 25

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,549,816

Underlying: Class A Common Stock · 4,440,000 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.

F1 · ownership.direct: Shares are held by Lightspeed Venture Partners IX, L.P. ("Lightspeed IX"). Lightspeed General Partner IX, L.P. ("LGP IX") is the general partner of Lightspeed IX. Lightspeed Ultimate General Partner IX, Ltd. ("LUGP IX") is the general partner of LGP IX. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP IX and share voting and dispositive power with respect to the shares held by Lightspeed IX. Each of LGP IX, LUGP IX 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: 0001415889-25-018596 · form4-07012025_010730.xml · nonDerivative · entry 22

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Nieh Family Investments LP - Fund 4

Disclosed balance after: 50,331

F21 · kind: Represents receipt of shares in the distribution in kind described in footnote (13).

F28 · ownership.nature: Peter Nieh serves as co-trustee of the general partner of Nieh Family Investments LP - Fund 4.

SEC source: 0001415889-25-018596 · form4-07012025_010730.xml · nonDerivative · entry 21

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Nieh Family Investments LP - Fund 2

Disclosed balance after: 396,874

F20 · kind: Represents receipt of shares in the distribution in kind described in footnote (9).

F27 · ownership.nature: Peter Nieh serves as co-trustee of the general partner of Nieh Family Investments LP - Fund 2.

SEC source: 0001415889-25-018596 · form4-07012025_010730.xml · nonDerivative · entry 20

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,182

F23 · kind: Represents receipt of shares in the distribution in kind described in footnote (19).

F26 · ownership.direct: Shares are held by Peter Nieh.

SEC source: 0001415889-25-018596 · form4-07012025_010730.xml · nonDerivative · entry 19

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Eggers Investments LP - Fund 2

Disclosed balance after: 356,242

F20 · kind: Represents receipt of shares in the distribution in kind described in footnote (9).

F21 · kind: Represents receipt of shares in the distribution in kind described in footnote (13).

F25 · ownership.nature: Barry Eggers serves as trustee of the general partner of Eggers Investments LP - Fund 2.

SEC source: 0001415889-25-018596 · form4-07012025_010730.xml · nonDerivative · entry 18

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,182

F23 · kind: Represents receipt of shares in the distribution in kind described in footnote (19).

F24 · ownership.direct: Shares are held by Barry Eggers.

SEC source: 0001415889-25-018596 · form4-07012025_010730.xml · nonDerivative · entry 17

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed Management Company, L.L.C.

Disclosed balance after: 16,984

F20 · kind: Represents receipt of shares in the distribution in kind described in footnote (9).

F21 · kind: Represents receipt of shares in the distribution in kind described in footnote (13).

F22 · ownership.nature: Shares are held by Lightspeed Management Company, L.L.C. ("LMC"). Barry Eggers, Ravi Mhatre, and Peter Nieh are managing members of LMC and share voting and dispositive power with respect to the shares held by LMC. Each of Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001415889-25-018596 · form4-07012025_010730.xml · nonDerivative · entry 16

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By LS SPV Management, LLC

Disclosed balance after: 0

F19 · kind: Represents an in-kind distribution by LS SPV without consideration to its members.

F18 · ownership.nature: Shares are held by LS SPV. 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 LS SPV. Each of 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: 0001415889-25-018596 · form4-07012025_010730.xml · nonDerivative · entry 15

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By LS SPV Management, LLC

Disclosed balance after: 400,800

F17 · kind: Represents receipt of shares in the distribution in kind described in footnote (14).

F18 · ownership.nature: Shares are held by LS SPV. 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 LS SPV. Each of 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.