IOT

SEC source: 0000899243-23-019154 · doc4.xml · nonDerivative · entry 3

Taneja Hemant · CIK 0001545563 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Directly held by General Catalyst Partners VIII, L.P.

Disclosed balance after: 582,265

F5 · kind: Represents shares previously reported as held through GCGVIIIS.

F1 · ownership.nature: General Catalyst Group Management Holdings GP, LLC ("GCGMH LLC") is the general partner of General Catalyst Group Management Holdings, L.P. ("GCGMH"), which is the manager of General Catalyst Group Management, LLC ("GCGM LLC"), which is (a) the manager of GC Venture VIII Manager, LLC ("GCVVIII Manager"), which is the manager of GC Venture VIII, LLC ("GCVVIII"), (b) the manager of GC Venture VIII-B Manager, LLC, which is the manager of GC Venture VIII-B, LLC ("GCVVIIIB"), (c) the manager of General Catalyst GP VIII, LLC ("GCGPVIII"), which is the general partner of General Catalyst Partners VIII, L.P. ("GCPVIII"), which is the general partner of General Catalyst Group VIII, L.P. ("GCGVIII"),

F2 · ownership.nature: (Continued from Footnote 1) GCSE VIII, L.P. ("GCSE") and General Catalyst Group VIII Supplemental, L.P. ("GCGVIIIS") and (d) the manager of General Catalyst GP X - Growth Venture, LLC, which is the general partner of General Catalyst Partners X - Growth Venture, L.P., which is the general partner of General Catalyst Group X - Endurance, L.P. ("GCGXE").

F3 · ownership.nature: (Continued from Footnote 2) The Reporting Person is a managing member of GCGMH LLC and a director of the Issuer. Each party named above disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

SEC source: 0000899243-23-019156 · doc4.xml · derivative · entry 8

General Catalyst Group VIII Supplemental, L.P. · CIK 0001663855 · 10% owner

General Catalyst Group VIII, L.P. · CIK 0001663852 · 10% owner

GC Venture VIII, LLC · CIK 0001764365 · 10% owner

GC Venture VIII-B, LLC · CIK 0001786761 · 10% owner

General Catalyst Group X - Endurance, L.P. · CIK 0001801515 · 10% owner

General Catalyst Group XI - Endurance, L.P. · CIK 0001883723 · 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

Underlying: Class A Common Stock · 3,187,815 shares

Expires not disclosed

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

F10 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis.

F10 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis.

SEC source: 0000899243-23-019156 · doc4.xml · nonDerivative · entry 3

General Catalyst Group VIII Supplemental, L.P. · CIK 0001663855 · 10% owner

General Catalyst Group VIII, L.P. · CIK 0001663852 · 10% owner

GC Venture VIII, LLC · CIK 0001764365 · 10% owner

GC Venture VIII-B, LLC · CIK 0001786761 · 10% owner

General Catalyst Group X - Endurance, L.P. · CIK 0001801515 · 10% owner

General Catalyst Group XI - Endurance, L.P. · CIK 0001883723 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Directly held by General Catalyst Partners VIII, L.P.

Disclosed balance after: 582,265

F5 · kind: Represents shares previously reported as held through GCGVIIIS.

F1 · ownership.nature: General Catalyst Group Management Holdings GP, LLC ("GCGMH LLC") is the general partner of General Catalyst Group Management Holdings, L.P. ("GCGMH"), which is the manager of General Catalyst Group Management, LLC ("GCGM LLC"), which is (a) the manager of GC Venture VIII Manager, LLC ("GCVVIII Manager"), which is the manager of GC Venture VIII, LLC ("GCVVIII"), (b) the manager of GC Venture VIII-B Manager, LLC, which is the manager of GC Venture VIII-B, LLC ("GCVVIIIB"), (c) the manager of General Catalyst GP VIII, LLC ("GCGPVIII"), which is the general partner of General Catalyst Partners VIII, L.P. ("GCPVIII"), which is the general partner of General Catalyst Group VIII, L.P. ("GCGVIII"),

F2 · ownership.nature: (Continued from Footnote 1) GCSE VIII, L.P. ("GCSE") and General Catalyst Group VIII Supplemental, L.P. ("GCGVIIIS") and (d) the manager of General Catalyst GP X - Growth Venture, LLC, which is the general partner of General Catalyst Partners X - Growth Venture, L.P., which is the general partner of General Catalyst Group X - Endurance, L.P. ("GCGXE").

F3 · ownership.nature: (Continued from Footnote 2) Each party named above disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

SEC source: 0000899243-23-019156 · doc4.xml · nonDerivative · entry 2

General Catalyst Group VIII Supplemental, L.P. · CIK 0001663855 · 10% owner

General Catalyst Group VIII, L.P. · CIK 0001663852 · 10% owner

GC Venture VIII, LLC · CIK 0001764365 · 10% owner

GC Venture VIII-B, LLC · CIK 0001786761 · 10% owner

General Catalyst Group X - Endurance, L.P. · CIK 0001801515 · 10% owner

General Catalyst Group XI - Endurance, L.P. · CIK 0001883723 · 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

F4 · kind: Effective September 13, 2023, GCGVIIIS, a venture capital partnership, distributed in-kind on a pro-rata basis, without consideration, a total of 3,187,815 shares of Class A Common Stock of the Issuer to its general and limited partners.

F1 · ownership.direct: General Catalyst Group Management Holdings GP, LLC ("GCGMH LLC") is the general partner of General Catalyst Group Management Holdings, L.P. ("GCGMH"), which is the manager of General Catalyst Group Management, LLC ("GCGM LLC"), which is (a) the manager of GC Venture VIII Manager, LLC ("GCVVIII Manager"), which is the manager of GC Venture VIII, LLC ("GCVVIII"), (b) the manager of GC Venture VIII-B Manager, LLC, which is the manager of GC Venture VIII-B, LLC ("GCVVIIIB"), (c) the manager of General Catalyst GP VIII, LLC ("GCGPVIII"), which is the general partner of General Catalyst Partners VIII, L.P. ("GCPVIII"), which is the general partner of General Catalyst Group VIII, L.P. ("GCGVIII"),

F2 · ownership.direct: (Continued from Footnote 1) GCSE VIII, L.P. ("GCSE") and General Catalyst Group VIII Supplemental, L.P. ("GCGVIIIS") and (d) the manager of General Catalyst GP X - Growth Venture, LLC, which is the general partner of General Catalyst Partners X - Growth Venture, L.P., which is the general partner of General Catalyst Group X - Endurance, L.P. ("GCGXE").

F3 · ownership.direct: (Continued from Footnote 2) Each party named above disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

SEC source: 0000899243-23-019156 · doc4.xml · nonDerivative · entry 1

General Catalyst Group VIII Supplemental, L.P. · CIK 0001663855 · 10% owner

General Catalyst Group VIII, L.P. · CIK 0001663852 · 10% owner

GC Venture VIII, LLC · CIK 0001764365 · 10% owner

GC Venture VIII-B, LLC · CIK 0001786761 · 10% owner

General Catalyst Group X - Endurance, L.P. · CIK 0001801515 · 10% owner

General Catalyst Group XI - Endurance, L.P. · CIK 0001883723 · 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: 3,187,815

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: General Catalyst Group Management Holdings GP, LLC ("GCGMH LLC") is the general partner of General Catalyst Group Management Holdings, L.P. ("GCGMH"), which is the manager of General Catalyst Group Management, LLC ("GCGM LLC"), which is (a) the manager of GC Venture VIII Manager, LLC ("GCVVIII Manager"), which is the manager of GC Venture VIII, LLC ("GCVVIII"), (b) the manager of GC Venture VIII-B Manager, LLC, which is the manager of GC Venture VIII-B, LLC ("GCVVIIIB"), (c) the manager of General Catalyst GP VIII, LLC ("GCGPVIII"), which is the general partner of General Catalyst Partners VIII, L.P. ("GCPVIII"), which is the general partner of General Catalyst Group VIII, L.P. ("GCGVIII"),

F2 · ownership.direct: (Continued from Footnote 1) GCSE VIII, L.P. ("GCSE") and General Catalyst Group VIII Supplemental, L.P. ("GCGVIIIS") and (d) the manager of General Catalyst GP X - Growth Venture, LLC, which is the general partner of General Catalyst Partners X - Growth Venture, L.P., which is the general partner of General Catalyst Group X - Endurance, L.P. ("GCGXE").

F3 · ownership.direct: (Continued from Footnote 2) Each party named above disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

SEC source: 0000899243-23-019154 · doc4.xml · derivative · entry 11

Taneja Hemant · CIK 0001545563 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Directly held by General Catalyst Group VIII Supplemental, L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 3,187,815 shares

Expires not disclosed

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

F13 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis.

F13 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis.

SEC source: 0000899243-23-019154 · doc4.xml · nonDerivative · entry 2

Taneja Hemant · CIK 0001545563 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Directly held by General Catalyst Group Supplemental VIII, L.P.

Disclosed balance after: 0

F4 · kind: Effective September 13, 2023, General Catalyst Group VIII Supplemental, L.P., a venture capital partnership, distributed in-kind on a pro-rata basis, without consideration, a total of 3,187,815 shares of Class A Common Stock of the Issuer to its general and limited partners.

F1 · ownership.nature: General Catalyst Group Management Holdings GP, LLC ("GCGMH LLC") is the general partner of General Catalyst Group Management Holdings, L.P. ("GCGMH"), which is the manager of General Catalyst Group Management, LLC ("GCGM LLC"), which is (a) the manager of GC Venture VIII Manager, LLC ("GCVVIII Manager"), which is the manager of GC Venture VIII, LLC ("GCVVIII"), (b) the manager of GC Venture VIII-B Manager, LLC, which is the manager of GC Venture VIII-B, LLC ("GCVVIIIB"), (c) the manager of General Catalyst GP VIII, LLC ("GCGPVIII"), which is the general partner of General Catalyst Partners VIII, L.P. ("GCPVIII"), which is the general partner of General Catalyst Group VIII, L.P. ("GCGVIII"),

F2 · ownership.nature: (Continued from Footnote 1) GCSE VIII, L.P. ("GCSE") and General Catalyst Group VIII Supplemental, L.P. ("GCGVIIIS") and (d) the manager of General Catalyst GP X - Growth Venture, LLC, which is the general partner of General Catalyst Partners X - Growth Venture, L.P., which is the general partner of General Catalyst Group X - Endurance, L.P. ("GCGXE").

F3 · ownership.nature: (Continued from Footnote 2) The Reporting Person is a managing member of GCGMH LLC and a director of the Issuer. Each party named above disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

SEC source: 0000899243-23-019154 · doc4.xml · nonDerivative · entry 1

Taneja Hemant · CIK 0001545563 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Directly held by General Catalyst Group Supplemental VIII, L.P.

Disclosed balance after: 3,187,815

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: General Catalyst Group Management Holdings GP, LLC ("GCGMH LLC") is the general partner of General Catalyst Group Management Holdings, L.P. ("GCGMH"), which is the manager of General Catalyst Group Management, LLC ("GCGM LLC"), which is (a) the manager of GC Venture VIII Manager, LLC ("GCVVIII Manager"), which is the manager of GC Venture VIII, LLC ("GCVVIII"), (b) the manager of GC Venture VIII-B Manager, LLC, which is the manager of GC Venture VIII-B, LLC ("GCVVIIIB"), (c) the manager of General Catalyst GP VIII, LLC ("GCGPVIII"), which is the general partner of General Catalyst Partners VIII, L.P. ("GCPVIII"), which is the general partner of General Catalyst Group VIII, L.P. ("GCGVIII"),

F2 · ownership.nature: (Continued from Footnote 1) GCSE VIII, L.P. ("GCSE") and General Catalyst Group VIII Supplemental, L.P. ("GCGVIIIS") and (d) the manager of General Catalyst GP X - Growth Venture, LLC, which is the general partner of General Catalyst Partners X - Growth Venture, L.P., which is the general partner of General Catalyst Group X - Endurance, L.P. ("GCGXE").

F3 · ownership.nature: (Continued from Footnote 2) The Reporting Person is a managing member of GCGMH LLC and a director of the Issuer. Each party named above disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

SEC source: 0001209191-23-049488 · doc4.xml · nonDerivative · entry 1

Biswas Sanjit · CIK 0001895111 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,077,600

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan, entered into prior to the effectiveness of the revised requirements of Rule 10b5-1(c). In compliance with SEC guidance, the Reporting Person has not checked the box above but states that the Rule 10b5-1 trading plan is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

F2 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $30.08 to $31.00, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

F3 · ownership.nature: Consists of shares held by SB and HB, Co-Trustees of the Biswas Family Trust u/a/d 7/13/2012, over which the Reporting Person has voting or investment power.

SEC source: 0001209191-23-049485 · doc4.xml · nonDerivative · entry 1

Bicket John · CIK 0001895106 · Director · See remarks · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,083,540

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan, entered into prior to the effectiveness of the revised requirements of Rule 10b5-1(c). In compliance with SEC guidance, the Reporting Person has not checked the box above but states that the Rule 10b5-1 trading plan is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

F2 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $30.08 to $31.00, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

F3 · ownership.nature: Consists of shares held by John C. Bicket, Trustee of the John C. Bicket Revocable Trust u/a/d 2/15/2013, over which the Reporting Person has voting or investment power.

SEC source: 0001104659-23-100178 · tm2326017-4_4seq1.xml · derivative · entry 10

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Andreessen Horowitz LSV Fund I, L.P.

Disclosed balance after: 12,557,802

Underlying: Class A Common Stock · 310,952 shares

Expires not disclosed

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

F8 · derivative.exercise_price: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F8 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F8 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F4 · ownership.nature: These shares are held of record by Andreessen Horowitz LSV Fund I, L.P., for itself and as nominee for Andreessen Horowitz LSV Fund I-B, L.P. and Andreessen Horowitz LSV Fund I-Q, L.P. (collectively, the "AH LSV Fund I Entities"). AH Equity Partners LSV I, L.L.C. ("AH EP LSV I"), the general partner of the AH LSV Fund I Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. The Reporting Person and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over the shares held by the AH LSV Fund I Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH LSV Fund I Entities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001104659-23-100178 · tm2326017-4_4seq1.xml · derivative · entry 9

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By AH Parallel Fund V, L.P.

Disclosed balance after: 5,516,864

Underlying: Class A Common Stock · 80,978 shares

Expires not disclosed

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

F8 · derivative.exercise_price: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F8 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F8 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F1 · ownership.nature: These shares are held of record by AH Parallel Fund V, L.P., for itself and as nominee for AH Parallel Fund V-A, L.P., AH Parallel Fund V-B, L.P., and AH Parallel Fund V-Q, L.P. (collectively, the "AH Parallel Fund V Entities"). AH Equity Partners V (Parallel), L.L.C. ("AH EP V Parallel"), the general partner of the AH Parallel Fund V Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund V Entities. The Reporting Person and Benjamin Horowitz are managing members of AH EP V Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund V Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund V Entities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001104659-23-100178 · tm2326017-4_4seq1.xml · nonDerivative · entry 6

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Andreessen Horowitz LSV Fund I, L.P.

Disclosed balance after: 0

F3 · price: Represents the weighted-average sale price per share of a series of transactions, all of which were executed on September 8, 2023. The actual sale prices ranged from a low of $31.24 to a high of $31.715, inclusive. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer full information regarding the number of shares sold at each price within the range.

F4 · ownership.nature: These shares are held of record by Andreessen Horowitz LSV Fund I, L.P., for itself and as nominee for Andreessen Horowitz LSV Fund I-B, L.P. and Andreessen Horowitz LSV Fund I-Q, L.P. (collectively, the "AH LSV Fund I Entities"). AH Equity Partners LSV I, L.L.C. ("AH EP LSV I"), the general partner of the AH LSV Fund I Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. The Reporting Person and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over the shares held by the AH LSV Fund I Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH LSV Fund I Entities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001104659-23-100178 · tm2326017-4_4seq1.xml · nonDerivative · entry 5

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Andreessen Horowitz LSV Fund I, L.P.

Disclosed balance after: 63,414

F2 · price: Represents the weighted-average sale price per share of a series of transactions, all of which were executed on September 8, 2023. The actual sale prices ranged from a low of $30.24 to a high of $31.235, inclusive. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer full information regarding the number of shares sold at each price within the range.

F4 · ownership.nature: These shares are held of record by Andreessen Horowitz LSV Fund I, L.P., for itself and as nominee for Andreessen Horowitz LSV Fund I-B, L.P. and Andreessen Horowitz LSV Fund I-Q, L.P. (collectively, the "AH LSV Fund I Entities"). AH Equity Partners LSV I, L.L.C. ("AH EP LSV I"), the general partner of the AH LSV Fund I Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. The Reporting Person and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over the shares held by the AH LSV Fund I Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH LSV Fund I Entities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001104659-23-100178 · tm2326017-4_4seq1.xml · nonDerivative · entry 4

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Andreessen Horowitz LSV Fund I, L.P.

Disclosed balance after: 310,952

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: These shares are held of record by Andreessen Horowitz LSV Fund I, L.P., for itself and as nominee for Andreessen Horowitz LSV Fund I-B, L.P. and Andreessen Horowitz LSV Fund I-Q, L.P. (collectively, the "AH LSV Fund I Entities"). AH Equity Partners LSV I, L.L.C. ("AH EP LSV I"), the general partner of the AH LSV Fund I Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. The Reporting Person and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over the shares held by the AH LSV Fund I Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH LSV Fund I Entities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001104659-23-100178 · tm2326017-4_4seq1.xml · nonDerivative · entry 3

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By AH Parallel Fund V, L.P.

Disclosed balance after: 0

F3 · price: Represents the weighted-average sale price per share of a series of transactions, all of which were executed on September 8, 2023. The actual sale prices ranged from a low of $31.24 to a high of $31.715, inclusive. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer full information regarding the number of shares sold at each price within the range.

F1 · ownership.nature: These shares are held of record by AH Parallel Fund V, L.P., for itself and as nominee for AH Parallel Fund V-A, L.P., AH Parallel Fund V-B, L.P., and AH Parallel Fund V-Q, L.P. (collectively, the "AH Parallel Fund V Entities"). AH Equity Partners V (Parallel), L.L.C. ("AH EP V Parallel"), the general partner of the AH Parallel Fund V Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund V Entities. The Reporting Person and Benjamin Horowitz are managing members of AH EP V Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund V Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund V Entities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001104659-23-100178 · tm2326017-4_4seq1.xml · nonDerivative · entry 2

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By AH Parallel Fund V, L.P.

Disclosed balance after: 16,514

F2 · price: Represents the weighted-average sale price per share of a series of transactions, all of which were executed on September 8, 2023. The actual sale prices ranged from a low of $30.24 to a high of $31.235, inclusive. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer full information regarding the number of shares sold at each price within the range.

F1 · ownership.nature: These shares are held of record by AH Parallel Fund V, L.P., for itself and as nominee for AH Parallel Fund V-A, L.P., AH Parallel Fund V-B, L.P., and AH Parallel Fund V-Q, L.P. (collectively, the "AH Parallel Fund V Entities"). AH Equity Partners V (Parallel), L.L.C. ("AH EP V Parallel"), the general partner of the AH Parallel Fund V Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund V Entities. The Reporting Person and Benjamin Horowitz are managing members of AH EP V Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund V Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund V Entities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001104659-23-100178 · tm2326017-4_4seq1.xml · nonDerivative · entry 1

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By AH Parallel Fund V, L.P.

Disclosed balance after: 80,978

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.

F1 · ownership.nature: These shares are held of record by AH Parallel Fund V, L.P., for itself and as nominee for AH Parallel Fund V-A, L.P., AH Parallel Fund V-B, L.P., and AH Parallel Fund V-Q, L.P. (collectively, the "AH Parallel Fund V Entities"). AH Equity Partners V (Parallel), L.L.C. ("AH EP V Parallel"), the general partner of the AH Parallel Fund V Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund V Entities. The Reporting Person and Benjamin Horowitz are managing members of AH EP V Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund V Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund V Entities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001104659-23-100174 · tm2326017-1_4seq1.xml · derivative · entry 10

Andreessen Horowitz Fund IV, L.P. · CIK 0001603198 · 10% owner

Andreessen Horowitz Fund IV-A, L.P. · CIK 0001604853 · 10% owner

Andreessen Horowitz Fund IV-B, L.P. · CIK 0001604855 · 10% owner

Andreessen Horowitz Fund IV-Q, L.P. · CIK 0001604857 · 10% owner

Andreessen Horowitz LSV Fund I, L.P. · CIK 0001772284 · 10% owner

Andreessen Horowitz LSV Fund I-B, L.P. · CIK 0001772420 · 10% owner

Andreessen Horowitz LSV Fund I-Q, L.P. · CIK 0001772407 · 10% owner

AH Equity Partners LSV I, L.L.C. · CIK 0001772287 · 10% owner

AH Equity Partners IV, L.L.C. · CIK 0001603403 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Andreessen Horowitz LSV Fund I, L.P.

Disclosed balance after: 12,557,802

Underlying: Class A Common Stock · 310,952 shares

Expires not disclosed

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

F9 · derivative.exercise_price: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F9 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F9 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F5 · ownership.nature: These shares are held of record by Andreessen Horowitz LSV Fund I, L.P., for itself and as nominee for Andreessen Horowitz LSV Fund I-B, L.P. and Andreessen Horowitz LSV Fund I-Q, L.P. (collectively, the "AH LSV Fund I Entities"). AH Equity Partners LSV I, L.L.C. ("AH EP LSV I"), the general partner of the AH LSV Fund I Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over the shares held by the AH LSV Fund I Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH LSV Fund I Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100174 · tm2326017-1_4seq1.xml · derivative · entry 9

Andreessen Horowitz Fund IV, L.P. · CIK 0001603198 · 10% owner

Andreessen Horowitz Fund IV-A, L.P. · CIK 0001604853 · 10% owner

Andreessen Horowitz Fund IV-B, L.P. · CIK 0001604855 · 10% owner

Andreessen Horowitz Fund IV-Q, L.P. · CIK 0001604857 · 10% owner

Andreessen Horowitz LSV Fund I, L.P. · CIK 0001772284 · 10% owner

Andreessen Horowitz LSV Fund I-B, L.P. · CIK 0001772420 · 10% owner

Andreessen Horowitz LSV Fund I-Q, L.P. · CIK 0001772407 · 10% owner

AH Equity Partners LSV I, L.L.C. · CIK 0001772287 · 10% owner

AH Equity Partners IV, L.L.C. · CIK 0001603403 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By AH Parallel Fund V, L.P.

Disclosed balance after: 5,516,864

Underlying: Class A Common Stock · 80,978 shares

Expires not disclosed

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

F9 · derivative.exercise_price: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F9 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F9 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F1 · ownership.nature: These shares are held of record by AH Parallel Fund V, L.P., for itself and as nominee for AH Parallel Fund V-A, L.P., AH Parallel Fund V-B, L.P., and AH Parallel Fund V-Q, L.P. (collectively, the "AH Parallel Fund V Entities"). AH Equity Partners V (Parallel), L.L.C. ("AH EP V Parallel"), the general partner of the AH Parallel Fund V Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund V Entities. Marc Andreessen and Benjamin Horowitz are managing members of AH EP V Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund V Entities.

F2 · ownership.nature: (Continued from Footnote 1) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund V Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100174 · tm2326017-1_4seq1.xml · nonDerivative · entry 6

Andreessen Horowitz Fund IV, L.P. · CIK 0001603198 · 10% owner

Andreessen Horowitz Fund IV-A, L.P. · CIK 0001604853 · 10% owner

Andreessen Horowitz Fund IV-B, L.P. · CIK 0001604855 · 10% owner

Andreessen Horowitz Fund IV-Q, L.P. · CIK 0001604857 · 10% owner

Andreessen Horowitz LSV Fund I, L.P. · CIK 0001772284 · 10% owner

Andreessen Horowitz LSV Fund I-B, L.P. · CIK 0001772420 · 10% owner

Andreessen Horowitz LSV Fund I-Q, L.P. · CIK 0001772407 · 10% owner

AH Equity Partners LSV I, L.L.C. · CIK 0001772287 · 10% owner

AH Equity Partners IV, L.L.C. · CIK 0001603403 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Andreessen Horowitz LSV Fund I, L.P.

Disclosed balance after: 0

F4 · price: Represents the weighted-average sale price per share of a series of transactions, all of which were executed on September 8, 2023. The actual sale prices ranged from a low of $31.24 to a high of $31.715, inclusive. Each of the Reporting Persons undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer full information regarding the number of shares sold at each price within the range.

F5 · ownership.nature: These shares are held of record by Andreessen Horowitz LSV Fund I, L.P., for itself and as nominee for Andreessen Horowitz LSV Fund I-B, L.P. and Andreessen Horowitz LSV Fund I-Q, L.P. (collectively, the "AH LSV Fund I Entities"). AH Equity Partners LSV I, L.L.C. ("AH EP LSV I"), the general partner of the AH LSV Fund I Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over the shares held by the AH LSV Fund I Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH LSV Fund I Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100174 · tm2326017-1_4seq1.xml · nonDerivative · entry 5

Andreessen Horowitz Fund IV, L.P. · CIK 0001603198 · 10% owner

Andreessen Horowitz Fund IV-A, L.P. · CIK 0001604853 · 10% owner

Andreessen Horowitz Fund IV-B, L.P. · CIK 0001604855 · 10% owner

Andreessen Horowitz Fund IV-Q, L.P. · CIK 0001604857 · 10% owner

Andreessen Horowitz LSV Fund I, L.P. · CIK 0001772284 · 10% owner

Andreessen Horowitz LSV Fund I-B, L.P. · CIK 0001772420 · 10% owner

Andreessen Horowitz LSV Fund I-Q, L.P. · CIK 0001772407 · 10% owner

AH Equity Partners LSV I, L.L.C. · CIK 0001772287 · 10% owner

AH Equity Partners IV, L.L.C. · CIK 0001603403 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Andreessen Horowitz LSV Fund I, L.P.

Disclosed balance after: 63,414

F3 · price: Represents the weighted-average sale price per share of a series of transactions, all of which were executed on September 8, 2023. The actual sale prices ranged from a low of $30.24 to a high of $31.235, inclusive. Each of the Reporting Persons undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer full information regarding the number of shares sold at each price within the range.

F5 · ownership.nature: These shares are held of record by Andreessen Horowitz LSV Fund I, L.P., for itself and as nominee for Andreessen Horowitz LSV Fund I-B, L.P. and Andreessen Horowitz LSV Fund I-Q, L.P. (collectively, the "AH LSV Fund I Entities"). AH Equity Partners LSV I, L.L.C. ("AH EP LSV I"), the general partner of the AH LSV Fund I Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over the shares held by the AH LSV Fund I Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH LSV Fund I Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100174 · tm2326017-1_4seq1.xml · nonDerivative · entry 4

Andreessen Horowitz Fund IV, L.P. · CIK 0001603198 · 10% owner

Andreessen Horowitz Fund IV-A, L.P. · CIK 0001604853 · 10% owner

Andreessen Horowitz Fund IV-B, L.P. · CIK 0001604855 · 10% owner

Andreessen Horowitz Fund IV-Q, L.P. · CIK 0001604857 · 10% owner

Andreessen Horowitz LSV Fund I, L.P. · CIK 0001772284 · 10% owner

Andreessen Horowitz LSV Fund I-B, L.P. · CIK 0001772420 · 10% owner

Andreessen Horowitz LSV Fund I-Q, L.P. · CIK 0001772407 · 10% owner

AH Equity Partners LSV I, L.L.C. · CIK 0001772287 · 10% owner

AH Equity Partners IV, L.L.C. · CIK 0001603403 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Andreessen Horowitz LSV Fund I, L.P.

Disclosed balance after: 310,952

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: These shares are held of record by Andreessen Horowitz LSV Fund I, L.P., for itself and as nominee for Andreessen Horowitz LSV Fund I-B, L.P. and Andreessen Horowitz LSV Fund I-Q, L.P. (collectively, the "AH LSV Fund I Entities"). AH Equity Partners LSV I, L.L.C. ("AH EP LSV I"), the general partner of the AH LSV Fund I Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over the shares held by the AH LSV Fund I Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH LSV Fund I Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100174 · tm2326017-1_4seq1.xml · nonDerivative · entry 3

Andreessen Horowitz Fund IV, L.P. · CIK 0001603198 · 10% owner

Andreessen Horowitz Fund IV-A, L.P. · CIK 0001604853 · 10% owner

Andreessen Horowitz Fund IV-B, L.P. · CIK 0001604855 · 10% owner

Andreessen Horowitz Fund IV-Q, L.P. · CIK 0001604857 · 10% owner

Andreessen Horowitz LSV Fund I, L.P. · CIK 0001772284 · 10% owner

Andreessen Horowitz LSV Fund I-B, L.P. · CIK 0001772420 · 10% owner

Andreessen Horowitz LSV Fund I-Q, L.P. · CIK 0001772407 · 10% owner

AH Equity Partners LSV I, L.L.C. · CIK 0001772287 · 10% owner

AH Equity Partners IV, L.L.C. · CIK 0001603403 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By AH Parallel Fund V, L.P.

Disclosed balance after: 0

F4 · price: Represents the weighted-average sale price per share of a series of transactions, all of which were executed on September 8, 2023. The actual sale prices ranged from a low of $31.24 to a high of $31.715, inclusive. Each of the Reporting Persons undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer full information regarding the number of shares sold at each price within the range.

F1 · ownership.nature: These shares are held of record by AH Parallel Fund V, L.P., for itself and as nominee for AH Parallel Fund V-A, L.P., AH Parallel Fund V-B, L.P., and AH Parallel Fund V-Q, L.P. (collectively, the "AH Parallel Fund V Entities"). AH Equity Partners V (Parallel), L.L.C. ("AH EP V Parallel"), the general partner of the AH Parallel Fund V Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund V Entities. Marc Andreessen and Benjamin Horowitz are managing members of AH EP V Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund V Entities.

F2 · ownership.nature: (Continued from Footnote 1) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund V Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100174 · tm2326017-1_4seq1.xml · nonDerivative · entry 2

Andreessen Horowitz Fund IV, L.P. · CIK 0001603198 · 10% owner

Andreessen Horowitz Fund IV-A, L.P. · CIK 0001604853 · 10% owner

Andreessen Horowitz Fund IV-B, L.P. · CIK 0001604855 · 10% owner

Andreessen Horowitz Fund IV-Q, L.P. · CIK 0001604857 · 10% owner

Andreessen Horowitz LSV Fund I, L.P. · CIK 0001772284 · 10% owner

Andreessen Horowitz LSV Fund I-B, L.P. · CIK 0001772420 · 10% owner

Andreessen Horowitz LSV Fund I-Q, L.P. · CIK 0001772407 · 10% owner

AH Equity Partners LSV I, L.L.C. · CIK 0001772287 · 10% owner

AH Equity Partners IV, L.L.C. · CIK 0001603403 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By AH Parallel Fund V, L.P.

Disclosed balance after: 16,514

F3 · price: Represents the weighted-average sale price per share of a series of transactions, all of which were executed on September 8, 2023. The actual sale prices ranged from a low of $30.24 to a high of $31.235, inclusive. Each of the Reporting Persons undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer full information regarding the number of shares sold at each price within the range.

F1 · ownership.nature: These shares are held of record by AH Parallel Fund V, L.P., for itself and as nominee for AH Parallel Fund V-A, L.P., AH Parallel Fund V-B, L.P., and AH Parallel Fund V-Q, L.P. (collectively, the "AH Parallel Fund V Entities"). AH Equity Partners V (Parallel), L.L.C. ("AH EP V Parallel"), the general partner of the AH Parallel Fund V Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund V Entities. Marc Andreessen and Benjamin Horowitz are managing members of AH EP V Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund V Entities.

F2 · ownership.nature: (Continued from Footnote 1) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund V Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100174 · tm2326017-1_4seq1.xml · nonDerivative · entry 1

Andreessen Horowitz Fund IV, L.P. · CIK 0001603198 · 10% owner

Andreessen Horowitz Fund IV-A, L.P. · CIK 0001604853 · 10% owner

Andreessen Horowitz Fund IV-B, L.P. · CIK 0001604855 · 10% owner

Andreessen Horowitz Fund IV-Q, L.P. · CIK 0001604857 · 10% owner

Andreessen Horowitz LSV Fund I, L.P. · CIK 0001772284 · 10% owner

Andreessen Horowitz LSV Fund I-B, L.P. · CIK 0001772420 · 10% owner

Andreessen Horowitz LSV Fund I-Q, L.P. · CIK 0001772407 · 10% owner

AH Equity Partners LSV I, L.L.C. · CIK 0001772287 · 10% owner

AH Equity Partners IV, L.L.C. · CIK 0001603403 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By AH Parallel Fund V, L.P.

Disclosed balance after: 80,978

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.

F1 · ownership.nature: These shares are held of record by AH Parallel Fund V, L.P., for itself and as nominee for AH Parallel Fund V-A, L.P., AH Parallel Fund V-B, L.P., and AH Parallel Fund V-Q, L.P. (collectively, the "AH Parallel Fund V Entities"). AH Equity Partners V (Parallel), L.L.C. ("AH EP V Parallel"), the general partner of the AH Parallel Fund V Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund V Entities. Marc Andreessen and Benjamin Horowitz are managing members of AH EP V Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund V Entities.

F2 · ownership.nature: (Continued from Footnote 1) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund V Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100177 · tm2326017-3_4seq1.xml · derivative · entry 10

Andreessen Horowitz LSV Fund III, L.P. · CIK 0001889367 · 10% owner

Andreessen Horowitz LSV Fund III-B, L.P. · CIK 0001894619 · 10% owner

AH 2022 Annual Fund, L.P. · CIK 0001894744 · 10% owner

AH Equity Partners LSV III, L.L.C. · CIK 0001889893 · 10% owner

AH Equity Partners 2022 Annual Fund, L.L.C. · CIK 0001894740 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Andreessen Horowitz LSV Fund I, L.P.

Disclosed balance after: 12,557,802

Underlying: Class A Common Stock · 310,952 shares

Expires not disclosed

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

F9 · derivative.exercise_price: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F9 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F9 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F5 · ownership.nature: These shares are held of record by Andreessen Horowitz LSV Fund I, L.P., for itself and as nominee for Andreessen Horowitz LSV Fund I-B, L.P. and Andreessen Horowitz LSV Fund I-Q, L.P. (collectively, the "AH LSV Fund I Entities"). AH Equity Partners LSV I, L.L.C. ("AH EP LSV I"), the general partner of the AH LSV Fund I Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over the shares held by the AH LSV Fund I Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH LSV Fund I Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100177 · tm2326017-3_4seq1.xml · derivative · entry 9

Andreessen Horowitz LSV Fund III, L.P. · CIK 0001889367 · 10% owner

Andreessen Horowitz LSV Fund III-B, L.P. · CIK 0001894619 · 10% owner

AH 2022 Annual Fund, L.P. · CIK 0001894744 · 10% owner

AH Equity Partners LSV III, L.L.C. · CIK 0001889893 · 10% owner

AH Equity Partners 2022 Annual Fund, L.L.C. · CIK 0001894740 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By AH Parallel Fund V, L.P.

Disclosed balance after: 5,516,864

Underlying: Class A Common Stock · 80,978 shares

Expires not disclosed

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

F9 · derivative.exercise_price: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F9 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F9 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F1 · ownership.nature: These shares are held of record by AH Parallel Fund V, L.P., for itself and as nominee for AH Parallel Fund V-A, L.P., AH Parallel Fund V-B, L.P., and AH Parallel Fund V-Q, L.P. (collectively, the "AH Parallel Fund V Entities"). AH Equity Partners V (Parallel), L.L.C. ("AH EP V Parallel"), the general partner of the AH Parallel Fund V Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund V Entities. Marc Andreessen and Benjamin Horowitz are managing members of AH EP V Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund V Entities.

F2 · ownership.nature: (Continued from Footnote 1) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund V Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100177 · tm2326017-3_4seq1.xml · nonDerivative · entry 6

Andreessen Horowitz LSV Fund III, L.P. · CIK 0001889367 · 10% owner

Andreessen Horowitz LSV Fund III-B, L.P. · CIK 0001894619 · 10% owner

AH 2022 Annual Fund, L.P. · CIK 0001894744 · 10% owner

AH Equity Partners LSV III, L.L.C. · CIK 0001889893 · 10% owner

AH Equity Partners 2022 Annual Fund, L.L.C. · CIK 0001894740 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Andreessen Horowitz LSV Fund I, L.P.

Disclosed balance after: 0

F4 · price: Represents the weighted-average sale price per share of a series of transactions, all of which were executed on September 8, 2023. The actual sale prices ranged from a low of $31.24 to a high of $31.715, inclusive. Each of the Reporting Persons undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer full information regarding the number of shares sold at each price within the range.

F5 · ownership.nature: These shares are held of record by Andreessen Horowitz LSV Fund I, L.P., for itself and as nominee for Andreessen Horowitz LSV Fund I-B, L.P. and Andreessen Horowitz LSV Fund I-Q, L.P. (collectively, the "AH LSV Fund I Entities"). AH Equity Partners LSV I, L.L.C. ("AH EP LSV I"), the general partner of the AH LSV Fund I Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over the shares held by the AH LSV Fund I Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH LSV Fund I Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100177 · tm2326017-3_4seq1.xml · nonDerivative · entry 5

Andreessen Horowitz LSV Fund III, L.P. · CIK 0001889367 · 10% owner

Andreessen Horowitz LSV Fund III-B, L.P. · CIK 0001894619 · 10% owner

AH 2022 Annual Fund, L.P. · CIK 0001894744 · 10% owner

AH Equity Partners LSV III, L.L.C. · CIK 0001889893 · 10% owner

AH Equity Partners 2022 Annual Fund, L.L.C. · CIK 0001894740 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Andreessen Horowitz LSV Fund I, L.P.

Disclosed balance after: 63,414

F3 · price: Represents the weighted-average sale price per share of a series of transactions, all of which were executed on September 8, 2023. The actual sale prices ranged from a low of $30.24 to a high of $31.235, inclusive. Each of the Reporting Persons undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer full information regarding the number of shares sold at each price within the range.

F5 · ownership.nature: These shares are held of record by Andreessen Horowitz LSV Fund I, L.P., for itself and as nominee for Andreessen Horowitz LSV Fund I-B, L.P. and Andreessen Horowitz LSV Fund I-Q, L.P. (collectively, the "AH LSV Fund I Entities"). AH Equity Partners LSV I, L.L.C. ("AH EP LSV I"), the general partner of the AH LSV Fund I Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over the shares held by the AH LSV Fund I Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH LSV Fund I Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100177 · tm2326017-3_4seq1.xml · nonDerivative · entry 4

Andreessen Horowitz LSV Fund III, L.P. · CIK 0001889367 · 10% owner

Andreessen Horowitz LSV Fund III-B, L.P. · CIK 0001894619 · 10% owner

AH 2022 Annual Fund, L.P. · CIK 0001894744 · 10% owner

AH Equity Partners LSV III, L.L.C. · CIK 0001889893 · 10% owner

AH Equity Partners 2022 Annual Fund, L.L.C. · CIK 0001894740 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Andreessen Horowitz LSV Fund I, L.P.

Disclosed balance after: 310,952

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: These shares are held of record by Andreessen Horowitz LSV Fund I, L.P., for itself and as nominee for Andreessen Horowitz LSV Fund I-B, L.P. and Andreessen Horowitz LSV Fund I-Q, L.P. (collectively, the "AH LSV Fund I Entities"). AH Equity Partners LSV I, L.L.C. ("AH EP LSV I"), the general partner of the AH LSV Fund I Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over the shares held by the AH LSV Fund I Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH LSV Fund I Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100177 · tm2326017-3_4seq1.xml · nonDerivative · entry 3

Andreessen Horowitz LSV Fund III, L.P. · CIK 0001889367 · 10% owner

Andreessen Horowitz LSV Fund III-B, L.P. · CIK 0001894619 · 10% owner

AH 2022 Annual Fund, L.P. · CIK 0001894744 · 10% owner

AH Equity Partners LSV III, L.L.C. · CIK 0001889893 · 10% owner

AH Equity Partners 2022 Annual Fund, L.L.C. · CIK 0001894740 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By AH Parallel Fund V, L.P.

Disclosed balance after: 0

F4 · price: Represents the weighted-average sale price per share of a series of transactions, all of which were executed on September 8, 2023. The actual sale prices ranged from a low of $31.24 to a high of $31.715, inclusive. Each of the Reporting Persons undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer full information regarding the number of shares sold at each price within the range.

F1 · ownership.nature: These shares are held of record by AH Parallel Fund V, L.P., for itself and as nominee for AH Parallel Fund V-A, L.P., AH Parallel Fund V-B, L.P., and AH Parallel Fund V-Q, L.P. (collectively, the "AH Parallel Fund V Entities"). AH Equity Partners V (Parallel), L.L.C. ("AH EP V Parallel"), the general partner of the AH Parallel Fund V Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund V Entities. Marc Andreessen and Benjamin Horowitz are managing members of AH EP V Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund V Entities.

F2 · ownership.nature: (Continued from Footnote 1) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund V Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100177 · tm2326017-3_4seq1.xml · nonDerivative · entry 2

Andreessen Horowitz LSV Fund III, L.P. · CIK 0001889367 · 10% owner

Andreessen Horowitz LSV Fund III-B, L.P. · CIK 0001894619 · 10% owner

AH 2022 Annual Fund, L.P. · CIK 0001894744 · 10% owner

AH Equity Partners LSV III, L.L.C. · CIK 0001889893 · 10% owner

AH Equity Partners 2022 Annual Fund, L.L.C. · CIK 0001894740 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By AH Parallel Fund V, L.P.

Disclosed balance after: 16,514

F3 · price: Represents the weighted-average sale price per share of a series of transactions, all of which were executed on September 8, 2023. The actual sale prices ranged from a low of $30.24 to a high of $31.235, inclusive. Each of the Reporting Persons undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer full information regarding the number of shares sold at each price within the range.

F1 · ownership.nature: These shares are held of record by AH Parallel Fund V, L.P., for itself and as nominee for AH Parallel Fund V-A, L.P., AH Parallel Fund V-B, L.P., and AH Parallel Fund V-Q, L.P. (collectively, the "AH Parallel Fund V Entities"). AH Equity Partners V (Parallel), L.L.C. ("AH EP V Parallel"), the general partner of the AH Parallel Fund V Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund V Entities. Marc Andreessen and Benjamin Horowitz are managing members of AH EP V Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund V Entities.

F2 · ownership.nature: (Continued from Footnote 1) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund V Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100177 · tm2326017-3_4seq1.xml · nonDerivative · entry 1

Andreessen Horowitz LSV Fund III, L.P. · CIK 0001889367 · 10% owner

Andreessen Horowitz LSV Fund III-B, L.P. · CIK 0001894619 · 10% owner

AH 2022 Annual Fund, L.P. · CIK 0001894744 · 10% owner

AH Equity Partners LSV III, L.L.C. · CIK 0001889893 · 10% owner

AH Equity Partners 2022 Annual Fund, L.L.C. · CIK 0001894740 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By AH Parallel Fund V, L.P.

Disclosed balance after: 80,978

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.

F1 · ownership.nature: These shares are held of record by AH Parallel Fund V, L.P., for itself and as nominee for AH Parallel Fund V-A, L.P., AH Parallel Fund V-B, L.P., and AH Parallel Fund V-Q, L.P. (collectively, the "AH Parallel Fund V Entities"). AH Equity Partners V (Parallel), L.L.C. ("AH EP V Parallel"), the general partner of the AH Parallel Fund V Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund V Entities. Marc Andreessen and Benjamin Horowitz are managing members of AH EP V Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund V Entities.

F2 · ownership.nature: (Continued from Footnote 1) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund V Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100175 · tm2326017-2_4seq1.xml · derivative · entry 10

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Parallel Fund V, L.P. · CIK 0001675240 · 10% owner

AH Parallel Fund V-A, L.P. · CIK 0001675233 · 10% owner

AH Parallel Fund V-B, L.P. · CIK 0001675234 · 10% owner

AH Parallel Fund V-Q, L.P. · CIK 0001675235 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

AH Equity Partners V (Parallel), L.L.C. · CIK 0001675230 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Andreessen Horowitz LSV Fund I, L.P.

Disclosed balance after: 12,557,802

Underlying: Class A Common Stock · 310,952 shares

Expires not disclosed

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

F9 · derivative.exercise_price: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F9 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F9 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F5 · ownership.nature: These shares are held of record by Andreessen Horowitz LSV Fund I, L.P., for itself and as nominee for Andreessen Horowitz LSV Fund I-B, L.P. and Andreessen Horowitz LSV Fund I-Q, L.P. (collectively, the "AH LSV Fund I Entities"). AH Equity Partners LSV I, L.L.C. ("AH EP LSV I"), the general partner of the AH LSV Fund I Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over the shares held by the AH LSV Fund I Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH LSV Fund I Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100175 · tm2326017-2_4seq1.xml · derivative · entry 9

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Parallel Fund V, L.P. · CIK 0001675240 · 10% owner

AH Parallel Fund V-A, L.P. · CIK 0001675233 · 10% owner

AH Parallel Fund V-B, L.P. · CIK 0001675234 · 10% owner

AH Parallel Fund V-Q, L.P. · CIK 0001675235 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

AH Equity Partners V (Parallel), L.L.C. · CIK 0001675230 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By AH Parallel Fund V, L.P.

Disclosed balance after: 5,516,864

Underlying: Class A Common Stock · 80,978 shares

Expires not disclosed

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

F9 · derivative.exercise_price: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F9 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F9 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F1 · ownership.nature: These shares are held of record by AH Parallel Fund V, L.P., for itself and as nominee for AH Parallel Fund V-A, L.P., AH Parallel Fund V-B, L.P., and AH Parallel Fund V-Q, L.P. (collectively, the "AH Parallel Fund V Entities"). AH Equity Partners V (Parallel), L.L.C. ("AH EP V Parallel"), the general partner of the AH Parallel Fund V Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund V Entities. Marc Andreessen and Benjamin Horowitz are managing members of AH EP V Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund V Entities.

F2 · ownership.nature: (Continued from Footnote 1) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund V Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100175 · tm2326017-2_4seq1.xml · nonDerivative · entry 6

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Parallel Fund V, L.P. · CIK 0001675240 · 10% owner

AH Parallel Fund V-A, L.P. · CIK 0001675233 · 10% owner

AH Parallel Fund V-B, L.P. · CIK 0001675234 · 10% owner

AH Parallel Fund V-Q, L.P. · CIK 0001675235 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

AH Equity Partners V (Parallel), L.L.C. · CIK 0001675230 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Andreessen Horowitz LSV Fund I, L.P.

Disclosed balance after: 0

F4 · price: Represents the weighted-average sale price per share of a series of transactions, all of which were executed on September 8, 2023. The actual sale prices ranged from a low of $31.24 to a high of $31.715, inclusive. Each of the Reporting Persons undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer full information regarding the number of shares sold at each price within the range.

F5 · ownership.nature: These shares are held of record by Andreessen Horowitz LSV Fund I, L.P., for itself and as nominee for Andreessen Horowitz LSV Fund I-B, L.P. and Andreessen Horowitz LSV Fund I-Q, L.P. (collectively, the "AH LSV Fund I Entities"). AH Equity Partners LSV I, L.L.C. ("AH EP LSV I"), the general partner of the AH LSV Fund I Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over the shares held by the AH LSV Fund I Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH LSV Fund I Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100175 · tm2326017-2_4seq1.xml · nonDerivative · entry 5

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Parallel Fund V, L.P. · CIK 0001675240 · 10% owner

AH Parallel Fund V-A, L.P. · CIK 0001675233 · 10% owner

AH Parallel Fund V-B, L.P. · CIK 0001675234 · 10% owner

AH Parallel Fund V-Q, L.P. · CIK 0001675235 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

AH Equity Partners V (Parallel), L.L.C. · CIK 0001675230 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Andreessen Horowitz LSV Fund I, L.P.

Disclosed balance after: 63,414

F3 · price: Represents the weighted-average sale price per share of a series of transactions, all of which were executed on September 8, 2023. The actual sale prices ranged from a low of $30.24 to a high of $31.235, inclusive. Each of the Reporting Persons undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer full information regarding the number of shares sold at each price within the range.

F5 · ownership.nature: These shares are held of record by Andreessen Horowitz LSV Fund I, L.P., for itself and as nominee for Andreessen Horowitz LSV Fund I-B, L.P. and Andreessen Horowitz LSV Fund I-Q, L.P. (collectively, the "AH LSV Fund I Entities"). AH Equity Partners LSV I, L.L.C. ("AH EP LSV I"), the general partner of the AH LSV Fund I Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over the shares held by the AH LSV Fund I Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH LSV Fund I Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100175 · tm2326017-2_4seq1.xml · nonDerivative · entry 4

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Parallel Fund V, L.P. · CIK 0001675240 · 10% owner

AH Parallel Fund V-A, L.P. · CIK 0001675233 · 10% owner

AH Parallel Fund V-B, L.P. · CIK 0001675234 · 10% owner

AH Parallel Fund V-Q, L.P. · CIK 0001675235 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

AH Equity Partners V (Parallel), L.L.C. · CIK 0001675230 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Andreessen Horowitz LSV Fund I, L.P.

Disclosed balance after: 310,952

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: These shares are held of record by Andreessen Horowitz LSV Fund I, L.P., for itself and as nominee for Andreessen Horowitz LSV Fund I-B, L.P. and Andreessen Horowitz LSV Fund I-Q, L.P. (collectively, the "AH LSV Fund I Entities"). AH Equity Partners LSV I, L.L.C. ("AH EP LSV I"), the general partner of the AH LSV Fund I Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over the shares held by the AH LSV Fund I Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH LSV Fund I Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100175 · tm2326017-2_4seq1.xml · nonDerivative · entry 3

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Parallel Fund V, L.P. · CIK 0001675240 · 10% owner

AH Parallel Fund V-A, L.P. · CIK 0001675233 · 10% owner

AH Parallel Fund V-B, L.P. · CIK 0001675234 · 10% owner

AH Parallel Fund V-Q, L.P. · CIK 0001675235 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

AH Equity Partners V (Parallel), L.L.C. · CIK 0001675230 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By AH Parallel Fund V, L.P.

Disclosed balance after: 0

F4 · price: Represents the weighted-average sale price per share of a series of transactions, all of which were executed on September 8, 2023. The actual sale prices ranged from a low of $31.24 to a high of $31.715, inclusive. Each of the Reporting Persons undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer full information regarding the number of shares sold at each price within the range.

F1 · ownership.nature: These shares are held of record by AH Parallel Fund V, L.P., for itself and as nominee for AH Parallel Fund V-A, L.P., AH Parallel Fund V-B, L.P., and AH Parallel Fund V-Q, L.P. (collectively, the "AH Parallel Fund V Entities"). AH Equity Partners V (Parallel), L.L.C. ("AH EP V Parallel"), the general partner of the AH Parallel Fund V Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund V Entities. Marc Andreessen and Benjamin Horowitz are managing members of AH EP V Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund V Entities.

F2 · ownership.nature: (Continued from Footnote 1) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund V Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100175 · tm2326017-2_4seq1.xml · nonDerivative · entry 2

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Parallel Fund V, L.P. · CIK 0001675240 · 10% owner

AH Parallel Fund V-A, L.P. · CIK 0001675233 · 10% owner

AH Parallel Fund V-B, L.P. · CIK 0001675234 · 10% owner

AH Parallel Fund V-Q, L.P. · CIK 0001675235 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

AH Equity Partners V (Parallel), L.L.C. · CIK 0001675230 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By AH Parallel Fund V, L.P.

Disclosed balance after: 16,514

F3 · price: Represents the weighted-average sale price per share of a series of transactions, all of which were executed on September 8, 2023. The actual sale prices ranged from a low of $30.24 to a high of $31.235, inclusive. Each of the Reporting Persons undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer full information regarding the number of shares sold at each price within the range.

F1 · ownership.nature: These shares are held of record by AH Parallel Fund V, L.P., for itself and as nominee for AH Parallel Fund V-A, L.P., AH Parallel Fund V-B, L.P., and AH Parallel Fund V-Q, L.P. (collectively, the "AH Parallel Fund V Entities"). AH Equity Partners V (Parallel), L.L.C. ("AH EP V Parallel"), the general partner of the AH Parallel Fund V Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund V Entities. Marc Andreessen and Benjamin Horowitz are managing members of AH EP V Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund V Entities.

F2 · ownership.nature: (Continued from Footnote 1) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund V Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001104659-23-100175 · tm2326017-2_4seq1.xml · nonDerivative · entry 1

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Parallel Fund V, L.P. · CIK 0001675240 · 10% owner

AH Parallel Fund V-A, L.P. · CIK 0001675233 · 10% owner

AH Parallel Fund V-B, L.P. · CIK 0001675234 · 10% owner

AH Parallel Fund V-Q, L.P. · CIK 0001675235 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

AH Equity Partners V (Parallel), L.L.C. · CIK 0001675230 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By AH Parallel Fund V, L.P.

Disclosed balance after: 80,978

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.

F1 · ownership.nature: These shares are held of record by AH Parallel Fund V, L.P., for itself and as nominee for AH Parallel Fund V-A, L.P., AH Parallel Fund V-B, L.P., and AH Parallel Fund V-Q, L.P. (collectively, the "AH Parallel Fund V Entities"). AH Equity Partners V (Parallel), L.L.C. ("AH EP V Parallel"), the general partner of the AH Parallel Fund V Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund V Entities. Marc Andreessen and Benjamin Horowitz are managing members of AH EP V Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund V Entities.

F2 · ownership.nature: (Continued from Footnote 1) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund V Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-23-048682 · doc4.xml · nonDerivative · entry 1

Eltoukhy Adam · CIK 0001895101 · See remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 813,124

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan, entered into prior to the effectiveness of the revised requirements of Rule 10b5-1(c). In compliance with SEC guidance, the Reporting Person has not checked the box above but states that the Rule 10b5-1 trading plan is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

F2 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $30.84 to $31.83, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

F3 · balance_after: Certain of these securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Class A Common Stock, subject to the applicable vesting schedule and conditions of each RSU.

SEC source: 0001209191-23-048680 · doc4.xml · nonDerivative · entry 1

Bicket John · CIK 0001895106 · Director · See remarks · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,173,835

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan, entered into prior to the effectiveness of the revised requirements of Rule 10b5-1(c). In compliance with SEC guidance, the Reporting Person has not checked the box above but states that the Rule 10b5-1 trading plan is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

F2 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $30.73 to $31.39, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

F3 · ownership.nature: Consists of shares held by John C. Bicket, Trustee of the John C. Bicket Revocable Trust u/a/d 2/15/2013, over which the Reporting Person has voting or investment power.

SEC source: 0001209191-23-048681 · doc4.xml · nonDerivative · entry 1

Biswas Sanjit · CIK 0001895111 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,167,400

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan, entered into prior to the effectiveness of the revised requirements of Rule 10b5-1(c). In compliance with SEC guidance, the Reporting Person has not checked the box above but states that the Rule 10b5-1 trading plan is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

F2 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $30.71 to $31.365, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

F3 · ownership.nature: Consists of shares held by SB and HB, Co-Trustees of the Biswas Family Trust u/a/d 7/13/2012, over which the Reporting Person has voting or investment power.

SEC source: 0001209191-23-047861 · doc4.xml · nonDerivative · entry 3

Bicket John · CIK 0001895106 · Director · See remarks · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,264,130

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan, entered into prior to the effectiveness of the revised requirements of Rule 10b5-1(c). In compliance with SEC guidance, the Reporting Person has not checked the box above but states that the Rule 10b5-1 trading plan is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

F5 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $25.855 to $26.35, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

F3 · ownership.nature: Consists of shares held by John C. Bicket, Trustee of the John C. Bicket Revocable Trust u/a/d 2/15/2013, over which the Reporting Person has voting or investment power.

SEC source: 0001209191-23-047862 · doc4.xml · nonDerivative · entry 3

Biswas Sanjit · CIK 0001895111 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,257,200

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan, entered into prior to the effectiveness of the revised requirements of Rule 10b5-1(c). In compliance with SEC guidance, the Reporting Person has not checked the box above but states that the Rule 10b5-1 trading plan is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

F5 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $25.855 to $26.35, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

F3 · ownership.nature: Consists of shares held by SB and HB, Co-Trustees of the Biswas Family Trust u/a/d 7/13/2012, over which the Reporting Person has voting or investment power.

SEC source: 0001209191-23-047861 · doc4.xml · nonDerivative · entry 2

Bicket John · CIK 0001895106 · Director · See remarks · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,276,473

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan, entered into prior to the effectiveness of the revised requirements of Rule 10b5-1(c). In compliance with SEC guidance, the Reporting Person has not checked the box above but states that the Rule 10b5-1 trading plan is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

F4 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $25.84 to $26.08, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

F3 · ownership.nature: Consists of shares held by John C. Bicket, Trustee of the John C. Bicket Revocable Trust u/a/d 2/15/2013, over which the Reporting Person has voting or investment power.

SEC source: 0001209191-23-047861 · doc4.xml · nonDerivative · entry 1

Bicket John · CIK 0001895106 · Director · See remarks · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,326,016

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan, entered into prior to the effectiveness of the revised requirements of Rule 10b5-1(c). In compliance with SEC guidance, the Reporting Person has not checked the box above but states that the Rule 10b5-1 trading plan is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

F2 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $24.84 to $25.835, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

F3 · ownership.nature: Consists of shares held by John C. Bicket, Trustee of the John C. Bicket Revocable Trust u/a/d 2/15/2013, over which the Reporting Person has voting or investment power.

SEC source: 0001209191-23-047862 · doc4.xml · nonDerivative · entry 2

Biswas Sanjit · CIK 0001895111 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,269,040

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan, entered into prior to the effectiveness of the revised requirements of Rule 10b5-1(c). In compliance with SEC guidance, the Reporting Person has not checked the box above but states that the Rule 10b5-1 trading plan is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

F4 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $25.85 to $26.08, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

F3 · ownership.nature: Consists of shares held by SB and HB, Co-Trustees of the Biswas Family Trust u/a/d 7/13/2012, over which the Reporting Person has voting or investment power.