RBRK

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 24

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,526

F31 · kind: Represents receipt of shares in the distribution in kind described in footnote (21).

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 23

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: 13,213

F27 · kind: Represents receipt of shares in the distribution in kind described in footnote (11).

F28 · kind: Represents receipt of shares in the distribution in kind described in footnote (15).

F29 · kind: Represents receipt of shares in the distribution in kind described in footnote (25).

F30 · ownership.nature: Shares are held by Lightspeed Management Company, L.L.C. ("LMC"). The Reporting Person is a managing members 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: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 22

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

F26 · kind: Represents an in-kind distribution by Lightspeed Affiliates X without consideration to its partners.

F7 · ownership.nature: Shares are held by Lightspeed Affiliates X, L.P. ("Lightspeed Affiliates X"). LGP X is the general partner of Lightspeed Affiliates X. LUGP X is the general partner of LGP X. The Reporting Person is a director of LUGP X and shares voting and dispositive power with respect to the shares held by Lightspeed Affiliates X. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 21

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed General Partner X, L.P.

Disclosed balance after: 0

F25 · kind: Represents an in-kind distribution by LGP X without consideration to its partners.

F24 · ownership.nature: Shares are held by LGP X. LUGP X is the general partner of LGP X. The Reporting Person is a director of LUGP X and shares voting and dispositive power with respect to the shares held by LGP X. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 20

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed General Partner X, L.P.

Disclosed balance after: 64,838

F23 · kind: Represents receipt of shares in the distribution in kind described in footnote (22).

F24 · ownership.nature: Shares are held by LGP X. LUGP X is the general partner of LGP X. The Reporting Person is a director of LUGP X and shares voting and dispositive power with respect to the shares held by LGP X. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 19

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

F22 · kind: Represents an in-kind distribution by Lightspeed X without consideration to its partners (including LGP X).

F6 · 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. The Reporting Person is a director of LUGP X and shares voting and dispositive power with respect to the shares held by Lightspeed X. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 18

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By LS SPV Management, LLC

Disclosed balance after: 0

F21 · kind: Represents an in-kind distribution by LS SPV without consideration to its members.

F20 · ownership.nature: Shares are held by LS SPV. The Reporting Person is a managing member of LS SPV and shares voting and dispositive power with respect to the shares held by LS SPV. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 17

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By LS SPV Management, LLC

Disclosed balance after: 224,063

F19 · kind: Represents receipt of shares in the distribution in kind described in footnote (16).

F20 · ownership.nature: Shares are held by LS SPV. The Reporting Person is a managing member of LS SPV and shares voting and dispositive power with respect to the shares held by LS SPV. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 16

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

F18 · 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. The Reporting Person is a managing member of LS SPV and shares voting and dispositive power with respect to the shares held by Lightspeed SPV IC. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 15

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

F17 · 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. The Reporting Person is a managing member of LS SPV and shares voting and dispositive power with respect to the shares held by Lightspeed SPV IB. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 14

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed SPV I, LLC

Disclosed balance after: 0

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

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. The Reporting Person is a managing member of LS SPV and shares voting and dispositive power with respect to the shares held by Lightspeed SPV I. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 13

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed General Partner Select II, L.P.

Disclosed balance after: 0

F15 · kind: Represents an in-kind distribution by LGP Select II without consideration to its partners.

F14 · ownership.nature: Shares are held by LGP Select II. LUGP Select II is the general partner of LGP Select II. The Reporting Person is a director of LUGP Select II and shares voting and dispositive power with respect to the shares held by LGP Select II. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 12

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed General Partner Select II, L.P.

Disclosed balance after: 145,028

F13 · kind: Represents receipt of shares in the distribution in kind described in footnote (12).

F14 · ownership.nature: Shares are held by LGP Select II. LUGP Select II is the general partner of LGP Select II. The Reporting Person is a director of LUGP Select II and shares voting and dispositive power with respect to the shares held by LGP Select II. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 11

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

F12 · 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. The Reporting Person is a director of LUGP Select II and shares voting and dispositive power with respect to the shares held by Lightspeed Select II. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 10

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed General Partner IX, L.P.

Disclosed balance after: 0

F11 · kind: Represents an in-kind distribution by LGP IX without consideration to its partners.

F10 · ownership.nature: Shares are held by LGP IX. LUGP IX is the general partner of LGP IX. The Reporting Person is a director of LUGP IX and shares voting and dispositive power with respect to the shares held by LGP IX. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 9

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed General Partner IX, L.P.

Disclosed balance after: 869,963

F9 · kind: Represents receipt of shares in the distribution in kind described in footnote (8).

F10 · ownership.nature: Shares are held by LGP IX. LUGP IX is the general partner of LGP IX. The Reporting Person is a director of LUGP IX and shares voting and dispositive power with respect to the shares held by LGP IX. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 8

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

F8 · kind: Represents an in-kind distribution by Lightspeed IX without consideration to its partners (including LGP IX).

F1 · ownership.nature: 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. The Reporting Person is a director of LUGP IX and shares voting and dispositive power with respect to the shares held by Lightspeed IX. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 7

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

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

Disclosed balance after: 18,084

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 · ownership.nature: Shares are held by Lightspeed Affiliates X, L.P. ("Lightspeed Affiliates X"). LGP X is the general partner of Lightspeed Affiliates X. LUGP X is the general partner of LGP X. The Reporting Person is a director of LUGP X and shares voting and dispositive power with respect to the shares held by Lightspeed Affiliates X. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 6

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

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

Disclosed balance after: 304,978

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 · 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. The Reporting Person is a director of LUGP X and shares voting and dispositive power with respect to the shares held by Lightspeed X. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 5

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

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

Disclosed balance after: 758,000

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. The Reporting Person is a managing member of LS SPV and shares voting and dispositive power with respect to the shares held by Lightspeed SPV IC. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 4

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

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

Disclosed balance after: 1,083,000

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. The Reporting Person is a managing member of LS SPV and shares voting and dispositive power with respect to the shares held by Lightspeed SPV IB. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 3

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lightspeed SPV I, LLC

Disclosed balance after: 1,504,000

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. The Reporting Person is a managing member of LS SPV and shares voting and dispositive power with respect to the shares held by Lightspeed SPV I. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 2

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

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

Disclosed balance after: 774,000

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. The Reporting Person is a director of LUGP Select II and shares voting and dispositive power with respect to the shares held by Lightspeed Select II. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-009157 · form4-03282025_010350.xml · nonDerivative · entry 1

Mhatre Ravi · CIK 0001366050 · Director · 10% owner

10b5-1 filing: No plan indicated

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

Disclosed balance after: 3,330,000

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.nature: 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. The Reporting Person is a director of LUGP IX and shares voting and dispositive power with respect to the shares held by Lightspeed IX. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001415889-25-008970 · form4-03252025_110326.xml · derivative · entry 7

Choudary Kiran Kumar · CIK 0002020220 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 159,688 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 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.

F7 · 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.

F7 · 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.

F7 · 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.

SEC source: 0001415889-25-008970 · form4-03252025_110326.xml · derivative · entry 6

Choudary Kiran Kumar · CIK 0002020220 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 159,688

Underlying: Class A Common Stock · 159,688 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 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.

F7 · 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.

F7 · 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.

F7 · 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.

SEC source: 0001415889-25-008970 · form4-03252025_110326.xml · derivative · entry 5

Choudary Kiran Kumar · CIK 0002020220 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 247,500

Underlying: Class B Common Stock · 27,500 shares

Expires 2031-03-25

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 RSU represents a contingent right to receive one share of Class B Common Stock.

F6 · derivative.exercise_date: The RSUs shall vest as follows: 10% of the shares subject to the RSU vest on March 15, 2025, 20% of the shares subject to the RSU vest on March 15, 2026, 35% of the shares subject to the RSU vest on March 15, 2027, and 35% of the shares subject to the RSU vest on March 15, 2028, and a liquidity event-based vesting condition which was satisfied upon the effectiveness of the registration statement on Form S-1 filed by the Issuer in connection with the Issuer's initial public offering, all subject to the Reporting Person continuing to have a Service Relationship (as defined in the Issuer's Amended and Restated 2014 Stock Option and Grant Plan).

SEC source: 0001415889-25-008970 · form4-03252025_110326.xml · derivative · entry 4

Choudary Kiran Kumar · CIK 0002020220 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 350,000

Underlying: Class B Common Stock · 125,000 shares

Expires 2030-03-24

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 RSU represents a contingent right to receive one share of Class B Common Stock.

F5 · derivative.exercise_date: The RSUs shall vest as follows: 75,000 shares subject to the RSU vested on March 15, 2024, 125,000 shares subject to the RSU vest on March 15, 2025, 150,000 shares vest on March 15, 2026, and 200,000 shares vest on March 15, 2027, and a liquidity event-based vesting condition which was satisfied upon the effectiveness of the registration statement on Form S-1 filed by the Issuer in connection with the Issuer's initial public offering, all subject to the Reporting Person continuing to have a Service Relationship (as defined in the Issuer's Amended and Restated 2014 Stock Option and Grant Plan).

SEC source: 0001415889-25-008970 · form4-03252025_110326.xml · derivative · entry 3

Choudary Kiran Kumar · CIK 0002020220 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,750

Underlying: Class B Common Stock · 7,188 shares

Expires 2029-04-13

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 RSU represents a contingent right to receive one share of Class B Common Stock.

F4 · derivative.exercise_date: The RSUs shall vest as follows: 1/16 of the shares subject to the RSU vested on June 15, 2022, and 1/16 of the shares subject to the RSU vest every quarter thereafter, and a liquidity event-based vesting condition which was satisfied upon the effectiveness of the registration statement on Form S-1 filed by the Issuer in connection with the Issuer's initial public offering, all subject to the Reporting Person continuing to have a Service Relationship (as defined in the Issuer's Amended and Restated 2014 Stock Option and Grant Plan).

SEC source: 0001415889-25-008970 · form4-03252025_110326.xml · nonDerivative · entry 2

Choudary Kiran Kumar · CIK 0002020220 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 413,458

F2 · shares: This sale reported on this Form 4 was effected pursuant to the Issuer's policy requiring sell-to-cover to satisfy certain tax obligations of the Reporting Person incurred with the vesting and settlement of certain Restricted Stock Units (RSUs).

F1 · balance_after: Includes 367 shares purchased through the Issuer's employee stock purchase plan on March 20, 2025.

SEC source: 0001415889-25-008970 · form4-03252025_110326.xml · nonDerivative · entry 1

Choudary Kiran Kumar · CIK 0002020220 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 501,429

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 · balance_after: Includes 367 shares purchased through the Issuer's employee stock purchase plan on March 20, 2025.

SEC source: 0001415889-25-008968 · form4-03252025_110301.xml · derivative · entry 8

McCarthy Brian K. · CIK 0002020217 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 187,500 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.

SEC source: 0001415889-25-008968 · form4-03252025_110301.xml · derivative · entry 7

McCarthy Brian K. · CIK 0002020217 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 187,500

Underlying: Class A Common Stock · 187,500 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.

SEC source: 0001415889-25-008968 · form4-03252025_110301.xml · derivative · entry 6

McCarthy Brian K. · CIK 0002020217 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 225,000

Underlying: Class B Common Stock · 25,000 shares

Expires 2031-03-25

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 RSU represents a contingent right to receive one share of Class B Common Stock.

F7 · derivative.exercise_date: The RSUs shall vest as follows: 10% of the shares subject to the RSU vest on March 15, 2025, 20% of the shares subject to the RSU vest on March 15, 2026, 35% of the shares subject to the RSU vest on March 15, 2027, and 35% of the shares subject to the RSU vest on March 15, 2028, and a liquidity event-based vesting condition which was satisfied upon the effectiveness of the registration statement on Form S-1 filed by the Issuer in connection with the Issuer's initial public offering, all subject to the Reporting Person continuing to have a Service Relationship (as defined in the Issuer's Amended and Restated 2014 Stock Option and Grant Plan).

SEC source: 0001415889-25-008968 · form4-03252025_110301.xml · derivative · entry 5

McCarthy Brian K. · CIK 0002020217 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 275,000

Underlying: Class B Common Stock · 100,000 shares

Expires 2030-03-24

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 RSU represents a contingent right to receive one share of Class B Common Stock.

F6 · derivative.exercise_date: The RSUs shall vest as follows: 50,000 shares subject to the RSU vested on March 15, 2024, 100,000 shares subject to the RSU vest on March 15, 2025, 125,000 shares vest on March 15, 2026, and 150,000 shares vest on March 15, 2027, and a liquidity event-based vesting condition which was satisfied upon the effectiveness of the registration statement on Form S-1 filed by the Issuer in connection with the Issuer's initial public offering, all subject to the Reporting Person continuing to have a Service Relationship (as defined in the Issuer's Amended and Restated 2014 Stock Option and Grant Plan).

SEC source: 0001415889-25-008968 · form4-03252025_110301.xml · derivative · entry 4

McCarthy Brian K. · CIK 0002020217 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Class B Common Stock · 6,250 shares

Expires 2029-04-13

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 RSU represents a contingent right to receive one share of Class B Common Stock.

F5 · derivative.exercise_date: The RSUs shall vest as follows: 1/16 of the shares subject to the RSU vested on June 15, 2022, and 1/16 of the shares subject to the RSU vest every quarter thereafter, and a liquidity event-based vesting condition which was satisfied upon the effectiveness of the registration statement on Form S-1 filed by the Issuer in connection with the Issuer's initial public offering, all subject to the Reporting Person continuing to have a Service Relationship (as defined in the Issuer's Amended and Restated 2014 Stock Option and Grant Plan).

SEC source: 0001415889-25-008968 · form4-03252025_110301.xml · derivative · entry 3

McCarthy Brian K. · CIK 0002020217 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 56,250 shares

Expires 2028-03-30

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 RSU represents a contingent right to receive one share of Class B Common Stock.

F4 · derivative.exercise_date: The RSUs shall vest as follows: 1/4 of the shares subject to the RSU vested on March 15, 2022, and 1/16 of the shares subject to the RSU vest every quarter thereafter, and a liquidity event-based vesting condition which was satisfied upon the effectiveness of the registration statement on Form S-1 filed by the Issuer in connection with the Issuer's initial public offering, all subject to the Reporting Person continuing to have a Service Relationship (as defined in the Issuer's Amended and Restated 2014 Stock Option and Grant Plan).

SEC source: 0001415889-25-008968 · form4-03252025_110301.xml · nonDerivative · entry 2

McCarthy Brian K. · CIK 0002020217 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 433,909

F2 · shares: This sale reported on this Form 4 was effected pursuant to the Issuer's policy requiring sell-to-cover to satisfy certain tax obligations of the Reporting Person incurred with the vesting and settlement of certain Restricted Stock Units (RSUs).

F1 · balance_after: Includes 367 shares purchased through the Issuer's employee stock purchase plan on March 20, 2025.

SEC source: 0001415889-25-008968 · form4-03252025_110301.xml · nonDerivative · entry 1

McCarthy Brian K. · CIK 0002020217 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 518,910

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 · balance_after: Includes 367 shares purchased through the Issuer's employee stock purchase plan on March 20, 2025.

SEC source: 0001415889-25-008708 · form4-03202025_060312.xml · derivative · entry 4

Wassenaar Yvonne · CIK 0001707744 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 42,000

Underlying: Class A Common Stock · 3,000 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.

F4 · 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.

F4 · 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.

F4 · 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.

SEC source: 0001415889-25-008708 · form4-03202025_060312.xml · nonDerivative · entry 3

Wassenaar Yvonne · CIK 0001707744 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 153

F1 · kind: This sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan, adopted July 5, 2024.

F3 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.28 to $70.70 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.

SEC source: 0001415889-25-008708 · form4-03202025_060312.xml · nonDerivative · entry 2

Wassenaar Yvonne · CIK 0001707744 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 753

F1 · kind: This sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan, adopted July 5, 2024.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.28 to $70.21 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.

SEC source: 0001415889-25-008708 · form4-03202025_060312.xml · nonDerivative · entry 1

Wassenaar Yvonne · CIK 0001707744 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,153

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.

SEC source: 0000950170-25-041464 · ownership.xml · derivative · entry 6

Greylock XIV GP LLC · CIK 0001660424 · 10% owner

Greylock XIV Limited Partnership · CIK 0001584740 · 10% owner

Greylock XIV-A Limited Partnership · CIK 0001584722 · 10% owner

Greylock XIV Principals LLC · CIK 0002022202 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Greylock XIV Principals LLC

Disclosed balance after: 373,036

Underlying: Class A Common Stock · 373,037 shares

Expires not disclosed

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

F4 · derivative.exercise_price: Each share of 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 · 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.

F4 · 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: The shares are held of record by Greylock XIV Principals LLC, or Greylock XIV Principals. Greylock XIV GP is the manager of Greylock XIV Principals. Greylock XIV GP may be deemed to share voting and dispositive power with regard to the shares held directly by Greylock XIV Principals. Greylock XIV GP disclaims beneficial ownership of the securities held by Greylock XIV Principals except to the extent of any pecuniary interest therein and the inclusion of these securities in this report shall not be deemed an admission by Greylock XIV GP of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000950170-25-041464 · ownership.xml · derivative · entry 5

Greylock XIV GP LLC · CIK 0001660424 · 10% owner

Greylock XIV Limited Partnership · CIK 0001584740 · 10% owner

Greylock XIV-A Limited Partnership · CIK 0001584722 · 10% owner

Greylock XIV Principals LLC · CIK 0002022202 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Greylock XIV-A Limited Partnership

Disclosed balance after: 373,036

Underlying: Class A Common Stock · 373,037 shares

Expires not disclosed

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

F4 · derivative.exercise_price: Each share of 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 · 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.

F4 · 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: The shares are held of record by Greylock XIV-A Limited Partnership, or Greylock XIV-A LP. Greylock XIV GP is the general partner of Greylock XIV-A LP. Greylock XIV GP may be deemed to share voting and dispositive power with regard to the shares held directly by Greylock XIV-A LP. Greylock XIV GP disclaims beneficial ownership of the securities held by Greylock XIV-A LP except to the extent of any pecuniary interest therein and the inclusion of these securities in this report shall not be deemed an admission by Greylock XIV GP of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000950170-25-041464 · ownership.xml · derivative · entry 4

Greylock XIV GP LLC · CIK 0001660424 · 10% owner

Greylock XIV Limited Partnership · CIK 0001584740 · 10% owner

Greylock XIV-A Limited Partnership · CIK 0001584722 · 10% owner

Greylock XIV Principals LLC · CIK 0002022202 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Greylock XIV Limited Partnership

Disclosed balance after: 6,714,671

Underlying: Class A Common Stock · 6,714,671 shares

Expires not disclosed

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

F4 · derivative.exercise_price: Each share of 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 · 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.

F4 · 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.nature: The shares are held of record by Greylock XIV Limited Partnership, or Greylock XIV LP. Greylock XIV GP LLC, or Greylock XIV GP, is the general partner of Greylock XIV LP. Greylock XIV GP may be deemed to share voting and dispositive power with regard to the shares held directly by Greylock XIV LP. Greylock XIV GP disclaims beneficial ownership of the securities held by Greylock XIV LP except to the extent of any pecuniary interest therein and the inclusion of these securities in this report shall not be deemed an admission by Greylock XIV GP of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000950170-25-041464 · ownership.xml · nonDerivative · entry 3

Greylock XIV GP LLC · CIK 0001660424 · 10% owner

Greylock XIV Limited Partnership · CIK 0001584740 · 10% owner

Greylock XIV-A Limited Partnership · CIK 0001584722 · 10% owner

Greylock XIV Principals LLC · CIK 0002022202 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Greylock XIV Principals LLC

Disclosed balance after: 373,037

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

F3 · ownership.nature: The shares are held of record by Greylock XIV Principals LLC, or Greylock XIV Principals. Greylock XIV GP is the manager of Greylock XIV Principals. Greylock XIV GP may be deemed to share voting and dispositive power with regard to the shares held directly by Greylock XIV Principals. Greylock XIV GP disclaims beneficial ownership of the securities held by Greylock XIV Principals except to the extent of any pecuniary interest therein and the inclusion of these securities in this report shall not be deemed an admission by Greylock XIV GP of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000950170-25-041464 · ownership.xml · nonDerivative · entry 2

Greylock XIV GP LLC · CIK 0001660424 · 10% owner

Greylock XIV Limited Partnership · CIK 0001584740 · 10% owner

Greylock XIV-A Limited Partnership · CIK 0001584722 · 10% owner

Greylock XIV Principals LLC · CIK 0002022202 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Greylock XIV-A Limited Partnership

Disclosed balance after: 373,037

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

F2 · ownership.nature: The shares are held of record by Greylock XIV-A Limited Partnership, or Greylock XIV-A LP. Greylock XIV GP is the general partner of Greylock XIV-A LP. Greylock XIV GP may be deemed to share voting and dispositive power with regard to the shares held directly by Greylock XIV-A LP. Greylock XIV GP disclaims beneficial ownership of the securities held by Greylock XIV-A LP except to the extent of any pecuniary interest therein and the inclusion of these securities in this report shall not be deemed an admission by Greylock XIV GP of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000950170-25-041464 · ownership.xml · nonDerivative · entry 1

Greylock XIV GP LLC · CIK 0001660424 · 10% owner

Greylock XIV Limited Partnership · CIK 0001584740 · 10% owner

Greylock XIV-A Limited Partnership · CIK 0001584722 · 10% owner

Greylock XIV Principals LLC · CIK 0002022202 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Greylock XIV Limited Partnership

Disclosed balance after: 6,714,671

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 Greylock XIV Limited Partnership, or Greylock XIV LP. Greylock XIV GP LLC, or Greylock XIV GP, is the general partner of Greylock XIV LP. Greylock XIV GP may be deemed to share voting and dispositive power with regard to the shares held directly by Greylock XIV LP. Greylock XIV GP disclaims beneficial ownership of the securities held by Greylock XIV LP except to the extent of any pecuniary interest therein and the inclusion of these securities in this report shall not be deemed an admission by Greylock XIV GP of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001415889-25-008465 · form4-03182025_060301.xml · nonDerivative · entry 1

McCarthy Brian K. · CIK 0002020217 · Chief Revenue Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 331,043

F1 · kind: This sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan, adopted June 27, 2024

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.00 to $70.05 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.