Botteri Philippe

SEC source: 0001856713-26-000002 · primarydocument.xml · nonDerivative · entry 1

Botteri Philippe · CIK 0001856713 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,180,064

F1 · kind: This grant was made pursuant to the issuer's non-employee director compensation policy.

F2 · shares: Includes 19,175 Restricted Stock Units (RSUs). Each RSU represents a contingent right to receive one share of Issuer's Class A Common Stock upon settlement. Each Annual Director RSU vests on the earlier of the date of the following year's annual meeting (or the date immediately prior to the next annual meeting, if the non-employee director's service as a director ends at such meeting due to the director's failure to be re-elected or the director not standing for re-election), or the first anniversary of the date of grant, in each case subject to the director's continued service through such vesting date.

SEC source: 0001562180-25-005136 · primarydocument.xml · nonDerivative · entry 1

Botteri Philippe · CIK 0001856713 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,160,889

F1 · kind: This grant was made pursuant to the issuer's non-employee director compensation policy.

F2 · shares: Includes 16,064 Restricted Stock Units (RSUs). Each RSU represents a contingent right to receive one share of Issuer's Class A Common Stock upon settlement. Each Annual Director RSU vests on the earlier of the date of the following year's annual meeting (or the date immediately prior to the next annual meeting, if the non-employee director's service as a director ends at such meeting due to the director's failure to be re-elected or the director not standing for re-election), or the first anniversary of the date of grant, in each case subject to the director's continued service through such vesting date.

F3 · balance_after: Includes 1,238 shares of Class A common stock acquired by the Reporting Person in a distribution for no consideration on October 9, 2024, in accordance with the exemptions afforded by Rules 16a-9 and 16a-13 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001562180-24-005278 · primarydocument.xml · nonDerivative · entry 1

Botteri Philippe · CIK 0001856713 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,143,587

F1 · kind: This grant was made pursuant to the issuer's non-employee director compensation policy.

F2 · shares: Includes 17,021 Restricted Stock Units (RSUs). Each RSU represents a contingent right to receive one share of Issuer's Class A Common Stock upon settlement. Each Annual Director RSU vests on the earlier of the date of the following year's annual meeting (or the date immediately prior to the next annual meeting, if the non-employee director's service as a director ends at such meeting due to the director's failure to be re-elected or the director not standing for re-election), or the first anniversary of the date of grant, in each case subject to the director's continued service through such vesting date.

F3 · balance_after: Includes (i) 134,459 shares of Class A common stock, (ii) 258,831 shares of Class A common stock, (iii) 206,151 shares of Class A common stock, (iv) 206,727 shares of Class A common stock, (v) 206,140 shares of Class A common stock, (vi) 206,140 shares of Class A common stock. (vii) 206,249 shares of Class A common stock, and (viii) 218,786 shares of Class A common stock in each case acquired by the Reporting Person in distributions for no consideration on September 11, 2023, December 1, 5, 8 12, 15 and 27, 2023, respectively, in accordance with the exemptions afforded by Rules 16a-9 and 16a-13 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001562180-23-005370 · primarydocument.xml · nonDerivative · entry 8

Botteri Philippe · CIK 0001856713 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,689,223

F15 · kind: This grant was made pursuant to the issuer's non-employee director compensation policy.

F16 · shares: Includes 10,995 Restricted Stock Units (RSUs). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement. Each Annual Director RSU vests on the earlier of the date of the following year's annual meeting (or the date immediately prior to the next annual meeting, if the non-employee director's service as a director ends at such meeting due to the director's failure to be re-elected or the director not standing for re-election); or the first anniversary of the date of grant, in each case subject to the director's continued service through such vesting date.

SEC source: 0001562180-23-005370 · primarydocument.xml · nonDerivative · entry 7

Botteri Philippe · CIK 0001856713 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,678,228

F14 · kind: Reflects shares distributed in the distributions reported herein in each case to the limited partners or members of the applicable entity for no consideration, representing each limited partner's or member's pro-rata interest in such shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001562180-23-005370 · primarydocument.xml · nonDerivative · entry 6

Botteri Philippe · CIK 0001856713 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Accel London Investors 2016 L.P.

Disclosed balance after: 2,422,947

F12 · kind: On June 15, 2023, Accel London Investors 2016 L.P. distributed, for no consideration, 282,404 shares of Class A common stock of the Issuer (the "Accel London Investors Shares") to its limited partners and to Accel London V Associates L.L.C., the general partner of Accel London Investors 2016 L.P., representing each such partner's pro rata interest in such Accel London Investors Shares. On that same date, Accel London V Associates L.L.C. distributed, for no consideration, the Accel London Investors Shares it received in the distribution by Accel London Investors 2016 L.P. to its members, representing each such member's pro rata interest in such Accel London Investors Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F13 · ownership.nature: These shares are held by Accel London Investors 2016 L.P.

SEC source: 0001562180-23-005370 · primarydocument.xml · nonDerivative · entry 5

Botteri Philippe · CIK 0001856713 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Accel London V Strategic Partners L.P.

Disclosed balance after: 381,980

F10 · kind: On June 15, 2023, Accel London V Strategic Partners L.P. distributed, for no consideration, 44,522 shares of Class A common stock of the Issuer (the "Accel London V SP Shares") to its limited partners and to Accel London V Associates L.P., the general partner of Accel London V Strategic Partners L.P., representing each such partner's pro rata interest in such Accel London V SP Shares. On the same date, Accel London V Associates L.P. distributed, for no consideration, the Accel London V SP Shares it received in the distribution by Accel London V Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel London V SP Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F11 · ownership.nature: These shares are held by Accel London V Strategic Partners L.P.

SEC source: 0001562180-23-005370 · primarydocument.xml · nonDerivative · entry 4

Botteri Philippe · CIK 0001856713 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Accel London V L.P.

Disclosed balance after: 25,077,157

F7 · kind: On June 15, 2023, Accel London V L.P. distributed, for no consideration, 2,922,838 shares of Class A common stock of the Issuer (the "Accel London V Shares") to its limited partners and to Accel London V Associates L.P., the general partner of Accel London V L.P., representing each such partner's pro rata interest in such Accel London V Shares. On the same date, Accel London V Associates L.P. distributed, for no consideration, the Accel London V Shares it received in the distribution by Accel London V L.P. to its limited partners and to Accel London V Associates L.L.C., the general partner of Accel London V Associates L.P., representing each such partner's pro rata interest in such Accel London V Shares. Continued in footnote (8) below.

F8 · kind: Continued from footnote (7): Also on that same date, Accel London V Associates L.L.C. distributed, for no consideration, the Accel London V Shares it received in the distribution by Accel London V Associates L.P. to its members, representing each such member's pro rata interest in such Accel London V Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F9 · ownership.nature: These shares are held by Accel London V L.P. Accel London V Associates L.P. is the general partner of Accel London V L.P. and has sole voting and dispositive power with regard to the shares held by Accel London V L.P. Accel London V Associates L.L.C. is the general partner of Accel London V Associates L.P. and Accel London Investors 2016 L.P (together with Accel London V L.P., the "Accel London V Entities"). Accel London V Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel London V Entities. Each of Accel London V Associates L.P. and Accel London V Associates L.L.C. disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that either such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001562180-23-005370 · primarydocument.xml · nonDerivative · entry 3

Botteri Philippe · CIK 0001856713 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Accel Growth Fund Investors 2016 L.L.C.

Disclosed balance after: 354,351

F5 · kind: On June 15, 2023, Accel Growth Fund Investors 2016 L.L.C. distributed, for no consideration, 79,461 shares of Class A common stock of the Issuer to its members, representing each such member's pro rata interest in such shares. The aforementioned distribution was made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These shares are held by Accel Growth Fund Investors 2016 L.L.C.

SEC source: 0001562180-23-005370 · primarydocument.xml · nonDerivative · entry 2

Botteri Philippe · CIK 0001856713 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Accel Growth Fund IV Strategic Partners L.P.

Disclosed balance after: 42,158

F3 · kind: On June 15, 2023, Accel Growth Fund IV Strategic Partners L.P. distributed, for no consideration, 9,451 shares of Class A common stock of the Issuer (the "Accel Growth IV SP Shares") to its limited partners and to Accel Growth Fund IV Associates L.L.C., the general partner of Accel Growth Fund IV Strategic Partners L.P., representing each such partner's pro rata interest in such Accel Growth IV SP Shares. On the same date, Accel Growth Fund IV Associates L.L.C. distributed, for no consideration, the Accel Growth IV SP Shares it received in the distribution by Accel Growth Fund IV Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel Growth IV SP Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: These shares are held by Accel Growth Fund IV Strategic Partners L.P.

SEC source: 0001562180-23-005370 · primarydocument.xml · nonDerivative · entry 1

Botteri Philippe · CIK 0001856713 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Accel Growth Fund IV L.P.

Disclosed balance after: 7,408,106

F1 · kind: On June 15, 2023, Accel Growth Fund IV L.P. distributed, for no consideration, 1,661,324 shares of Class A common stock of the Issuer (the "Accel Growth IV Shares") to its limited partners and to Accel Growth Fund IV Associates L.L.C., the general partner of Accel Growth Fund IV L.P., representing each such partner's pro rata interest in such Accel Growth IV Shares. On the same date, Accel Growth Fund IV Associates L.L.C. distributed, for no consideration, the Accel Growth IV Shares it received in the distribution by Accel Growth Fund IV L.P. to its members, representing each such member's pro rata interest in such Accel Growth IV Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.nature: These shares are held by Accel Growth Fund IV L.P. Accel Growth Fund IV Associates L.L.C. ("Accel Growth Fund IV GP") is the general partner of each of Accel Growth Fund IV L.P. and Accel Growth Fund IV Strategic Partners L.P. (together, the "Accel Growth Fund IV Entities"). Accel Growth Fund IV GP has sole voting and dispositive power with regard to the shares held by the Accel Growth Fund IV Entities. Accel Growth Fund IV GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001562180-23-004932 · primarydocument.xml · nonDerivative · entry 7

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,510,218

F15 · kind: Reflects shares distributed in the distributions reported herein in each case to the limited partners or members of the applicable entity for no consideration, representing each limited partner's or member's pro-rata interest in such shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001562180-23-004932 · primarydocument.xml · nonDerivative · entry 6

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Accel London Investors 2016 L.P.

Disclosed balance after: 2,705,351

F13 · kind: On June 5, 2023, Accel London Investors 2016 L.P. distributed, for no consideration, 338,168 shares of Class A common stock of the Issuer (the "Accel London Investors Shares") to its limited partners and to Accel London V Associates L.L.C., the general partner of Accel London Investors 2016 L.P., representing each such partner's pro rata interest in such Accel London Investors Shares. On that same date, Accel London V Associates L.L.C. distributed, for no consideration, the Accel London Investors Shares it received in the distribution by Accel London Investors 2016 L.P. to its members, representing each such member's pro rata interest in such Accel London Investors Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F14 · ownership.nature: These shares are held by Accel London Investors 2016 L.P.

SEC source: 0001562180-23-004932 · primarydocument.xml · nonDerivative · entry 5

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Accel London V Strategic Partners L.P.

Disclosed balance after: 426,502

F10 · kind: On June 5, 2023, Accel London V Strategic Partners L.P. distributed, for no consideration, 53,313 shares of Class A common stock of the Issuer (the "Accel London V SP Shares") to its limited partners and to Accel London V Associates L.P., the general partner of Accel London V Strategic Partners L.P., representing each such partner's pro rata interest in such Accel London V SP Shares. On the same date, Accel London V Associates L.P. distributed, for no consideration, the Accel London V SP Shares it received in the distribution by Accel London V Strategic Partners L.P. to its limited partners and to Accel London V Associates L.L.C., the general partner of Accel London V Associates L.P., representing each such partner's pro rata interest in such Accel London V SP Shares. Continued in footnote (11) below.

F11 · kind: Continued from footnote (11): Also on that same date, Accel London V Associates L.L.C. distributed, for no consideration, the Accel London V SP Shares it received in the distribution by Accel London V Associates L.P. to its members, representing each such member's pro rata interest in such Accel London V SP Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F12 · ownership.nature: These shares are held by Accel London V Strategic Partners L.P.

SEC source: 0001562180-23-004932 · primarydocument.xml · nonDerivative · entry 4

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Accel London V L.P.

Disclosed balance after: 27,999,995

F7 · kind: On June 5, 2023, Accel London V L.P. distributed, for no consideration, 3,500,000 shares of Class A common stock of the Issuer (the "Accel London V Shares") to its limited partners and to Accel London V Associates L.P., the general partner of Accel London V L.P., representing each such partner's pro rata interest in such Accel London V Shares. On the same date, Accel London V Associates L.P. distributed, for no consideration, the Accel London V Shares it received in the distribution by Accel London V L.P. to its limited partners and to Accel London V Associates L.L.C., the general partner of Accel London V Associates L.P., representing each such partner's pro rata interest in such Accel London V Shares. Continued in footnote (8) below.

F8 · kind: Continued from footnote (7): Also on that same date, Accel London V Associates L.L.C. distributed, for no consideration, the Accel London V Shares it received in the distribution by Accel London V Associates L.P. to its members, representing each such member's pro rata interest in such Accel London V Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F9 · ownership.nature: These shares are held by Accel London V L.P. Accel London V Associates L.P. is the general partner of Accel London V L.P. and has sole voting and dispositive power with regard to the shares held by Accel London V L.P. Accel London V Associates L.L.C. is the general partner of Accel London V Associates L.P. and Accel London Investors 2016 L.P (together with Accel London V L.P., the "Accel London V Entities"). Accel London V Associates L.P. has sole voting and dispositive power with regard to the shares held by the Accel London V Entities. Each of Accel London V Associates L.P. and Accel London V Associates L.L.C. disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that either such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001562180-23-004932 · primarydocument.xml · nonDerivative · entry 3

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Accel Growth Fund Investors 2016 L.L.C.

Disclosed balance after: 433,812

F5 · kind: On June 5, 2023 Accel Growth Fund Investors 2016 L.L.C. distributed, for no consideration, 95,151 shares of Class A common stock of the Issuer to its members, representing each such member's pro rata interest in such shares. The aforementioned distribution was made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These shares are held by Accel Growth Fund Investors 2016 L.L.C.

SEC source: 0001562180-23-004932 · primarydocument.xml · nonDerivative · entry 2

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Accel Growth Fund IV Strategic Partners L.P.

Disclosed balance after: 51,609

F3 · kind: On June 5, 2023, Accel Growth Fund IV Strategic Partners L.P. distributed, for no consideration, 11,318 shares of Class A common stock of the Issuer (the "Accel Growth IV SP Shares") to its limited partners and to Accel Growth Fund IV Associates L.L.C., the general partner of Accel Growth Fund IV Strategic Partners L.P., representing each such partner's pro rata interest in such Accel Growth IV SP Shares. On the same date, Accel Growth Fund IV Associates L.L.C. distributed, for no consideration, the Accel Growth IV SP Shares it received in the distribution by Accel Growth Fund IV Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel Growth IV SP Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: These shares are held by Accel Growth Fund IV Strategic Partners L.P.

SEC source: 0001562180-23-004932 · primarydocument.xml · nonDerivative · entry 1

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Accel Growth Fund IV L.P.

Disclosed balance after: 9,069,430

F1 · kind: On June 5, 2023, Accel Growth Fund IV L.P. distributed, for no consideration, 1,989,379 shares of Class A common stock of the Issuer (the "Accel Growth IV Shares") to its limited partners and to Accel Growth Fund IV Associates L.L.C., the general partner of Accel Growth Fund IV L.P., representing each such partner's pro rata interest in such Accel Growth IV Shares. On the same date, Accel Growth Fund IV Associates L.L.C. distributed, for no consideration, the Accel Growth IV Shares it received in the distribution by Accel Growth Fund IV L.P. to its members, representing each such member's pro rata interest in such Accel Growth IV Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.nature: These shares are held by Accel Growth Fund IV L.P. Accel Growth Fund IV Associates L.L.C. ("Accel Growth Fund IV GP") is the general partner of each of Accel Growth Fund IV L.P. and Accel Growth Fund IV Strategic Partners L.P. (together, the "Accel Growth Fund IV Entities"). Accel Growth Fund IV GP has sole voting and dispositive power with regard to the shares held by the Accel Growth Fund IV Entities. Accel Growth Fund IV GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001562180-23-004744 · primarydocument.xml · nonDerivative · entry 7

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,308,919

F14 · kind: Reflects shares distributed in the distributions reported herein in each case to the limited partners or members of the applicable entity for no consideration, representing each limited partner's or member's pro-rata interest in such shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001562180-23-004744 · primarydocument.xml · nonDerivative · entry 6

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Accel London Investors 2016 L.P.

Disclosed balance after: 3,043,519

F12 · kind: On May 31, 2023, Accel London Investors 2016 L.P. distributed, for no consideration, 338,168 shares of Class A common stock of the Issuer (the "Accel London Investors Shares") to its limited partners and to Accel London V Associates L.L.C., the general partner of Accel London Investors 2016 L.P., representing each such partner's pro rata interest in such Accel London Investors Shares. On that same date, Accel London V Associates L.L.C. distributed, for no consideration, the Accel London Investors Shares it received in the distribution by Accel London Investors 2016 L.P. to its members, representing each such member's pro rata interest in such Accel London Investors Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F13 · ownership.nature: These shares are held by Accel London Investors 2016 L.P.

SEC source: 0001562180-23-004744 · primarydocument.xml · nonDerivative · entry 5

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Accel London V Strategic Partners L.P.

Disclosed balance after: 479,815

F10 · kind: On May 31, 2023, Accel London V Strategic Partners L.P. distributed, for no consideration, 53,313 shares of Class A common stock of the Issuer (the "Accel London V SP Shares") to its limited partners and to Accel London V Associates L.L.C., the general partner of Accel London V Strategic Partners L.P., representing each such partner's pro rata interest in such Accel London V SP Shares. On the same date, Accel London V Associates L.L.C. distributed, for no consideration, the Accel London V SP Shares it received in the distribution by Accel London V Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel London V SP Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F11 · ownership.nature: These shares are held by Accel London V Strategic Partners L.P.

SEC source: 0001562180-23-004744 · primarydocument.xml · nonDerivative · entry 4

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Accel London V L.P.

Disclosed balance after: 31,499,995

F7 · kind: On May 31, 2023, Accel London V L.P. distributed, for no consideration, 3,500,000 shares of Class A common stock of the Issuer (the "Accel London V Shares") to its limited partners and to Accel London V Associates L.P., the general partner of Accel London V L.P., representing each such partner's pro rata interest in such Accel London V Shares. On the same date, Accel London V Associates L.P. distributed, for no consideration, the Accel London V Shares it received in the distribution by Accel London V L.P. to its limited partners and to Accel London V Associates L.L.C., the general partner of Accel London V Associates L.P., representing each such partner's pro rata interest in such Accel London V Shares. Continued in footnote (8) below.

F8 · kind: Continued from footnote (7): Also on that same date, Accel London V Associates L.L.C. distributed, for no consideration, the Accel London V Shares it received in the distribution by Accel London V Associates L.P. to its members, representing each such member's pro rata interest in such Accel London V Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F9 · ownership.nature: These shares are held by Accel London V L.P. Accel London V Associates L.P. is the general partner of Accel London V L.P. and has sole voting and dispositive power with regard to the shares held by Accel London V Associates L. P. Accel London V Associates L.L.C. is the general partner of Accel London V Associates L.P. and Accel London Investors 2016 L.P (together with Accel London V L.P., the "Accel London V Entities"). Accel London V Associates L.P. has sole voting and dispositive power with regard to the shares held by the Accel London V Entities. Each of Accel London V Associates L.P. and Accel London V Associates L.L.C. disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that either such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001562180-23-004744 · primarydocument.xml · nonDerivative · entry 3

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Accel Growth Fund Investors 2016 L.L.C.

Disclosed balance after: 528,963

F5 · kind: On May 31, 2023 Accel Growth Fund Investors 2016 L.L.C. distributed, for no consideration, 95,151 shares of Class A common stock of the Issuer to its members, representing each such member's pro rata interest in such shares. The aforementioned distribution was made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These shares are held by Accel Growth Fund Investors 2016 L.L.C.

SEC source: 0001562180-23-004744 · primarydocument.xml · nonDerivative · entry 2

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Accel Growth Fund IV Strategic Partners L.P.

Disclosed balance after: 62,927

F3 · kind: On May 31, 2023, Accel Growth Fund IV Strategic Partners L.P. distributed, for no consideration, 11,318 shares of Class A common stock of the Issuer (the "Accel Growth IV SP Shares") to its limited partners and to Accel Growth Fund IV Associates L.L.C., the general partner of Accel Growth Fund IV Strategic Partners L.P., representing each such partner's pro rata interest in such Accel Growth IV SP Shares. On the same date, Accel Growth Fund IV Associates L.L.C. distributed, for no consideration, the Accel Growth IV SP Shares it received in the distribution by Accel Growth Fund IV Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel Growth IV SP Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: These shares are held by Accel Growth Fund IV Strategic Partners L.P.

SEC source: 0001562180-23-004744 · primarydocument.xml · nonDerivative · entry 1

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · Accel Growth Fund IV L.P.

Disclosed balance after: 11,058,809

F1 · kind: On May 31, 2023, Accel Growth Fund IV L.P. distributed, for no consideration, 1,989,379 shares of Class A common stock of the Issuer (the "Accel Growth IV Shares") to its limited partners and to Accel Growth Fund IV Associates L.L.C., the general partner of Accel Growth Fund IV L.P., representing each such partner's pro rata interest in such Accel Growth IV Shares. On the same date, Accel Growth Fund IV Associates L.L.C. distributed, for no consideration, the Accel Growth IV Shares it received in the distribution by Accel Growth Fund IV L.P. to its members, representing each such member's pro rata interest in such Accel Growth IV Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.nature: These shares are held by Accel Growth Fund IV L.P. Accel Growth Fund IV Associates L.L.C. ("Accel Growth Fund IV GP") is the general partner of each of Accel Growth Fund IV L.P. and Accel Growth Fund IV Strategic Partners L.P. (together, the "Accel Growth Fund IV Entities"). Accel Growth Fund IV GP has sole voting and dispositive power with regard to the shares held by the Accel Growth Fund IV Entities. Accel Growth Fund IV GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001562180-22-005283 · primarydocument.xml · nonDerivative · entry 1

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,107,893

F1 · kind: This grant was made pursuant to the issuer's non-employee director compensation policy.

F2 · shares: Includes 10,351 Restricted Stock Units (RSUs). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement. Each Annual Director RSU vests on the earlier of the date of the following year's annual meeting (or the date immediately prior to the next annual meeting, if the non-employee director's service as a director ends at such meeting due to the director's failure to be re-elected or the director not standing for re-election); or the first anniversary of the date of grant, in each case subject to the director's continued service through such vesting date.

SEC source: 0001562180-21-006428 · primarydocument.xml · nonDerivative · entry 7

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,097,542

F14 · kind: Reflects shares distributed in the distributions reported herein in each case to the limited partners or members of the applicable entity for no consideration, representing each limited partner's or member's pro-rata interest in such shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001562180-21-006428 · primarydocument.xml · nonDerivative · entry 6

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London Investors 2016 L.P.

Disclosed balance after: 3,381,687

F12 · kind: On October 8, 2021, Accel London Investors 2016 L.P. distributed, for no consideration, 282,404 shares of Class A common stock of the Issuer (the "Accel London Investors Shares") to its limited partners and to Accel London V Associates L.L.C., the general partner of Accel London Investors 2016 L.P., representing each such partner's pro rata interest in such Accel London Investors Shares. On that same date, Accel London V Associates L.L.C. distributed, for no consideration, the Accel London Investors Shares it received in the distribution by Accel London Investors 2016 L.P. to its members, representing each such member's pro rata interest in such Accel London Investors Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F13 · ownership.nature: These shares are held by Accel London Investors 2016 L.P.

SEC source: 0001562180-21-006428 · primarydocument.xml · nonDerivative · entry 5

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London V Strategic Partners L.P.

Disclosed balance after: 533,128

F10 · kind: On October 8, 2021, Accel London V Strategic Partners L.P. distributed, for no consideration, 44,522 shares of Class A common stock of the Issuer (the "Accel London V SP Shares") to its limited partners and to Accel London V Associates L.L.C., the general partner of Accel London V Strategic Partners L.P., representing each such partner's pro rata interest in such Accel London V SP Shares. On the same date, Accel London V Associates L.L.C. distributed, for no consideration, the Accel London V SP Shares it received in the distribution by Accel London V Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel London V SP Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F11 · ownership.nature: These shares are held by Accel London V Strategic Partners L.P.

SEC source: 0001562180-21-006428 · primarydocument.xml · nonDerivative · entry 4

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London V L.P.

Disclosed balance after: 34,999,995

F7 · kind: On October 8, 2021, Accel London V L.P. distributed, for no consideration, 2,922,838 shares of Class A common stock of the Issuer (the "Accel London V Shares") to its limited partners and to Accel London V Associates L.P., the general partner of Accel London V L.P., representing each such partner's pro rata interest in such Accel London V Shares. On the same date, Accel London V Associates L.P. distributed, for no consideration, the Accel London V Shares it received in the distribution by Accel London V L.P. to its limited partners and to Accel London V Associates L.L.C., the general partner of Accel London V Associates L.P., representing each such partner's pro rata interest in such Accel London V Shares. Continued in footnote (8) below.

F8 · kind: Continued from footnote (7): Also on that same date, Accel London V Associates L.L.C. distributed, for no consideration, the Accel London V Shares it received in the distribution by Accel London V Associates L.P. to its members, representing each such member's pro rata interest in such Accel London V Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F9 · ownership.nature: These shares are held by Accel London V L.P. Accel London V Associates L.P. is the general partner of Accel London V L.P. and has sole voting and dispositive power with regard to the shares held by Accel London V Associates L. P. Accel London V Associates L.L.C. is the general partner of Accel London V Associates L.P. and Accel London Investors 2016 L.P (together with Accel London V L.P., the "Accel London V Entities"). Accel London V Associates L.P. has sole voting and dispositive power with regard to the shares held by the Accel London V Entities. Each of Accel London V Associates L.P. and Accel London V Associates L.L.C. disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that either such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001562180-21-006428 · primarydocument.xml · nonDerivative · entry 3

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund Investors 2016 L.L.C.

Disclosed balance after: 624,114

F5 · kind: On October 8, 2021, Accel Growth Fund Investors 2016 L.L.C. distributed, for no consideration, 79,461 shares of Class A common stock of the Issuer to its members, representing each such member's pro rata interest in such shares. The aforementioned distribution was made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These shares are held by Accel Growth Fund Investors 2016 L.L.C.

SEC source: 0001562180-21-006428 · primarydocument.xml · nonDerivative · entry 2

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund IV Strategic Partners L.P.

Disclosed balance after: 74,245

F3 · kind: On October 8, 2021, Accel Growth Fund IV Strategic Partners L.P. distributed, for no consideration, 9,451 shares of Class A common stock of the Issuer (the "Accel Growth IV SP Shares") to its limited partners and to Accel Growth Fund IV Associates L.L.C., the general partner of Accel Growth Fund IV Strategic Partners L.P., representing each such partner's pro rata interest in such Accel Growth IV SP Shares. On the same date, Accel Growth Fund IV Associates L.L.C. distributed, for no consideration, the Accel Growth IV SP Shares it received in the distribution by Accel Growth Fund IV Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel Growth II SP Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: These shares are held by Accel Growth Fund IV Strategic Partners L.P.

SEC source: 0001562180-21-006428 · primarydocument.xml · nonDerivative · entry 1

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund V L.P.

Disclosed balance after: 13,048,188

F1 · kind: On October 8, 2021, Accel Growth Fund IV L.P. distributed, for no consideration, 1,661,324 shares of Class A common stock of the Issuer (the "Accel Growth IV Shares") to its limited partners and to Accel Growth Fund IV Associates L.L.C., the general partner of Accel Growth Fund IV L.P., representing each such partner's pro rata interest in such Accel Growth IV Shares. On the same date, Accel Growth Fund IV Associates L.L.C. distributed, for no consideration, the Accel Growth IV Shares it received in the distribution by Accel Growth Fund IV L.P. to its members, representing each such member's pro rata interest in such Accel Growth IV Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.nature: These shares are held by Accel Growth Fund IV L.P. Accel Growth Fund IV Associates L.L.C. ("Accel Growth Fund IV GP") is the general partner of each of Accel Growth Fund IV L.P. and Accel Growth Fund IV Strategic Partners L.P. (together, the "Accel Growth Fund IV Entities"). Accel Growth Fund IV GP has sole voting and dispositive power with regard to the shares held by the Accel Growth Fund IV Entities. Accel Growth Fund IV GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001562180-21-006384 · primarydocument.xml · nonDerivative · entry 7

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 931,487

F14 · kind: Reflects shares distributed in the distributions reported herein in each case to the limited partners or members of the applicable entity for no consideration, representing each limited partner's or member's pro-rata interest in such shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001562180-21-006384 · primarydocument.xml · nonDerivative · entry 6

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London Investors 2016 L.P.

Disclosed balance after: 3,664,091

F12 · kind: On October 5, 2021, Accel London Investors 2016 L.P. distributed, for no consideration, 282,404 shares of Class A common stock of the Issuer (the "Accel London Investors Shares") to its limited partners and to Accel London V Associates L.L.C., the general partner of Accel London Investors 2016 L.P., representing each such partner's pro rata interest in such Accel London Investors Shares. On that same date, Accel London V Associates L.L.C. distributed, for no consideration, the Accel London Investors Shares it received in the distribution by Accel London Investors 2016 L.P. to its members, representing each such member's pro rata interest in such Accel London Investors Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F13 · ownership.nature: These shares are held by Accel London Investors 2016 L.P.

SEC source: 0001562180-21-006384 · primarydocument.xml · nonDerivative · entry 5

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London V Strategic Partners L.P.

Disclosed balance after: 577,650

F10 · kind: On October 5, 2021, Accel London V Strategic Partners L.P. distributed, for no consideration, 44,522 shares of Class A common stock of the Issuer (the "Accel London V SP Shares") to its limited partners and to Accel London V Associates L.L.C., the general partner of Accel London V Strategic Partners L.P., representing each such partner's pro rata interest in such Accel London V SP Shares. On the same date, Accel London V Associates L.L.C. distributed, for no consideration, the Accel London V SP Shares it received in the distribution by Accel London V Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel London V SP Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F11 · ownership.nature: These shares are held by Accel London V Strategic Partners L.P.

SEC source: 0001562180-21-006384 · primarydocument.xml · nonDerivative · entry 4

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London V L.P.

Disclosed balance after: 37,922,833

F7 · kind: On October 5, 2021, Accel London V L.P. distributed, for no consideration, 2,922,838 shares of Class A common stock of the Issuer (the "Accel London V Shares") to its limited partners and to Accel London V Associates L.P., the general partner of Accel London V L.P., representing each such partner's pro rata interest in such Accel London V Shares. On the same date, Accel London V Associates L.P. distributed, for no consideration, the Accel London V Shares it received in the distribution by Accel London V L.P. to its limited partners and to Accel London V Associates L.L.C., the general partner of Accel London V Associates L.P., representing each such partner's pro rata interest in such Accel London V Shares. Continued in footnote (8) below.

F8 · kind: Continued from footnote (7): Also on that same date, Accel London V Associates L.L.C. distributed, for no consideration, the Accel London V Shares it received in the distribution by Accel London V Associates L.P. to its members, representing each such member's pro rata interest in such Accel London V Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F9 · ownership.nature: These shares are held by Accel London V L.P. Accel London V Associates L.P. is the general partner of Accel London V L.P. and has sole voting and dispositive power with regard to the shares held by Accel London V Associates L. P. Accel London V Associates L.L.C. is the general partner of Accel London V Associates L.P. and Accel London Investors 2016 L.P (together with Accel London V L.P., the "Accel London V Entities"). Accel London V Associates L.P. has sole voting and dispositive power with regard to the shares held by the Accel London V Entities. Each of Accel London V Associates L.P. and Accel London V Associates L.L.C. disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that either such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001562180-21-006384 · primarydocument.xml · nonDerivative · entry 3

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund Investors 2016 L.L.C.

Disclosed balance after: 703,575

F5 · kind: On October 5, 2021, Accel Growth Fund Investors 2016 L.L.C. distributed, for no consideration, 79,461 shares of Class A common stock of the Issuer to its members, representing each such member's pro rata interest in such shares. The aforementioned distribution was made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These shares are held by Accel Growth Fund Investors 2016 L.L.C.

SEC source: 0001562180-21-006384 · primarydocument.xml · nonDerivative · entry 2

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund IV Strategic Partners L.P.

Disclosed balance after: 83,696

F3 · kind: On October 5, 2021, Accel Growth Fund IV Strategic Partners L.P. distributed, for no consideration, 9,451 shares of Class A common stock of the Issuer (the "Accel Growth IV SP Shares") to its limited partners and to Accel Growth Fund IV Associates L.L.C., the general partner of Accel Growth Fund IV Strategic Partners L.P., representing each such partner's pro rata interest in such Accel Growth IV SP Shares. On the same date, Accel Growth Fund IV Associates L.L.C. distributed, for no consideration, the Accel Growth IV SP Shares it received in the distribution by Accel Growth Fund IV Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel Growth II SP Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: These shares are held by Accel Growth Fund IV Strategic Partners L.P.

SEC source: 0001562180-21-006384 · primarydocument.xml · nonDerivative · entry 1

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund V L.P.

Disclosed balance after: 14,709,512

F1 · kind: On October 5, 2021, Accel Growth Fund IV L.P. distributed, for no consideration, 1,661,324 shares of Class A common stock of the Issuer (the "Accel Growth IV Shares") to its limited partners and to Accel Growth Fund IV Associates L.L.C., the general partner of Accel Growth Fund IV L.P., representing each such partner's pro rata interest in such Accel Growth IV Shares. On the same date, Accel Growth Fund IV Associates L.L.C. distributed, for no consideration, the Accel Growth IV Shares it received in the distribution by Accel Growth Fund IV L.P. to its members, representing each such member's pro rata interest in such Accel Growth IV Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.nature: These shares are held by Accel Growth Fund IV L.P. Accel Growth Fund IV Associates L.L.C. ("Accel Growth Fund IV GP") is the general partner of each of Accel Growth Fund IV L.P. and Accel Growth Fund IV Strategic Partners L.P. (together, the "Accel Growth Fund IV Entities"). Accel Growth Fund IV GP has sole voting and dispositive power with regard to the shares held by the Accel Growth Fund IV Entities. Accel Growth Fund IV GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001562180-21-006156 · primarydocument.xml · nonDerivative · entry 7

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 765,433

F14 · kind: Reflects shares distributed in the distributions reported herein in each case to the limited partners or members of the applicable entity for no consideration, representing each limited partner's or member's pro-rata interest in such shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001562180-21-006156 · primarydocument.xml · nonDerivative · entry 6

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London Investors 2016 L.P.

Disclosed balance after: 3,946,495

F12 · kind: On September 27, 2021, Accel London Investors 2016 L.P. distributed, for no consideration, 282,404 shares of Class A common stock of the Issuer (the "Accel London Investors Shares") to its limited partners and to Accel London V Associates L.L.C., the general partner of Accel London Investors 2016 L.P., representing each such partner's pro rata interest in such Accel London Investors Shares. On that same date, Accel London V Associates L.L.C. distributed, for no consideration, the Accel London Investors Shares it received in the distribution by Accel London Investors 2016 L.P. to its members, representing each such member's pro rata interest in such Accel London Investors Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F13 · ownership.nature: These shares are held by Accel London Investors 2016 L.P.

SEC source: 0001562180-21-006156 · primarydocument.xml · nonDerivative · entry 5

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London V Strategic Partners L.P.

Disclosed balance after: 622,172

F10 · kind: On September 27, 2021, Accel London V Strategic Partners L.P. distributed, for no consideration, 44,522 shares of Class A common stock of the Issuer (the "Accel London V SP Shares") to its limited partners and to Accel London V Associates L.L.C., the general partner of Accel London V Strategic Partners L.P., representing each such partner's pro rata interest in such Accel London V SP Shares. On the same date, Accel London V Associates L.L.C. distributed, for no consideration, the Accel London V SP Shares it received in the distribution by Accel London V Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel London V SP Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F11 · ownership.nature: These shares are held by Accel London V Strategic Partners L.P.

SEC source: 0001562180-21-006156 · primarydocument.xml · nonDerivative · entry 4

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London V L.P.

Disclosed balance after: 40,845,671

F7 · kind: On September 27, 2021, Accel London V L.P. distributed, for no consideration, 2,922,838 shares of Class A common stock of the Issuer (the "Accel London V Shares") to its limited partners and to Accel London V Associates L.P., the general partner of Accel London V L.P., representing each such partner's pro rata interest in such Accel London V Shares. On the same date, Accel London V Associates L.P. distributed, for no consideration, the Accel London V Shares it received in the distribution by Accel London V L.P. to its limited partners and to Accel London V Associates L.L.C., the general partner of Accel London V Associates L.P., representing each such partner's pro rata interest in such Accel London V Shares. Continued in footnote (8) below.

F8 · kind: Continued from footnote (7): Also on that same date, Accel London V Associates L.L.C. distributed, for no consideration, the Accel London V Shares it received in the distribution by Accel London V Associates L.P. to its members, representing each such member's pro rata interest in such Accel London V Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F9 · ownership.nature: These shares are held by Accel London V L.P. Accel London V Associates L.P. is the general partner of Accel London V L.P. and has sole voting and dispositive power with regard to the shares held by Accel London V Associates L. P. Accel London V Associates L.L.C. is the general partner of Accel London V Associates L.P. and Accel London Investors 2016 L.P (together with Accel London V L.P., the "Accel London V Entities"). Accel London V Associates L.P. has sole voting and dispositive power with regard to the shares held by the Accel London V Entities. Each of Accel London V Associates L.P. and Accel London V Associates L.L.C. disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that either such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001562180-21-006156 · primarydocument.xml · nonDerivative · entry 3

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund Investors 2016 L.L.C.

Disclosed balance after: 783,036

F5 · kind: On September 27, 2021, Accel Growth Fund Investors 2016 L.L.C. distributed, for no consideration, 79,461 shares of Class A common stock of the Issuer to its members, representing each such member's pro rata interest in such shares. The aforementioned distribution was made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These shares are held by Accel Growth Fund Investors 2016 L.L.C.

SEC source: 0001562180-21-006156 · primarydocument.xml · nonDerivative · entry 2

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund IV Strategic Partners L.P.

Disclosed balance after: 93,147

F3 · kind: On September 27, 2021, Accel Growth Fund IV Strategic Partners L.P. distributed, for no consideration, 9,451 shares of Class A common stock of the Issuer (the "Accel Growth IV SP Shares") to its limited partners and to Accel Growth Fund IV Associates L.L.C., the general partner of Accel Growth Fund IV Strategic Partners L.P., representing each such partner's pro rata interest in such Accel Growth IV SP Shares. On the same date, Accel Growth Fund IV Associates L.L.C. distributed, for no consideration, the Accel Growth IV SP Shares it received in the distribution by Accel Growth Fund IV Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel Growth II SP Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: These shares are held by Accel Growth Fund IV Strategic Partners L.P.

SEC source: 0001562180-21-006156 · primarydocument.xml · nonDerivative · entry 1

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund V L.P.

Disclosed balance after: 16,370,836

F1 · kind: On September 27, 2021, Accel Growth Fund IV L.P. distributed, for no consideration, 1,661,324 shares of Class A common stock of the Issuer (the "Accel Growth IV Shares") to its limited partners and to Accel Growth Fund IV Associates L.L.C., the general partner of Accel Growth Fund IV L.P., representing each such partner's pro rata interest in such Accel Growth IV Shares. On the same date, Accel Growth Fund IV Associates L.L.C. distributed, for no consideration, the Accel Growth IV Shares it received in the distribution by Accel Growth Fund IV L.P. to its members, representing each such member's pro rata interest in such Accel Growth IV Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.nature: These shares are held by Accel Growth Fund IV L.P. Accel Growth Fund IV Associates L.L.C. ("Accel Growth Fund IV GP") is the general partner of each of Accel Growth Fund IV L.P. and Accel Growth Fund IV Strategic Partners L.P. (together, the "Accel Growth Fund IV Entities"). Accel Growth Fund IV GP has sole voting and dispositive power with regard to the shares held by the Accel Growth Fund IV Entities. Accel Growth Fund IV GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001562180-21-006074 · primarydocument.xml · nonDerivative · entry 7

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 599,321

F14 · kind: Reflects shares distributed in the distributions reported herein in each case to the limited partners or members of the applicable entity for no consideration, representing each limited partner's or member's pro-rata interest in such shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001562180-21-006074 · primarydocument.xml · nonDerivative · entry 6

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London Investors 2016 L.P.

Disclosed balance after: 4,228,899

F12 · kind: On September 21, 2021, Accel London Investors 2016 L.P. distributed, for no consideration, 282,404 shares of Class A common stock of the Issuer (the "Accel London Investors Shares") to its limited partners and to Accel London V Associates L.L.C., the general partner of Accel London Investors 2016 L.P., representing each such partner's pro rata interest in such Accel London Investors Shares. On that same date, Accel London V Associates L.L.C. distributed, for no consideration, the Accel London Investors Shares it received in the distribution by Accel London Investors 2016 L.P. to its members, representing each such member's pro rata interest in such Accel London Investors Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F13 · ownership.nature: These shares are held by Accel London Investors 2016 L.P.

SEC source: 0001562180-21-006074 · primarydocument.xml · nonDerivative · entry 5

Botteri Philippe · CIK 0001856713 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London V Strategic Partners L.P.

Disclosed balance after: 666,694

F10 · kind: On September 21, 2021, Accel London V Strategic Partners L.P. distributed, for no consideration, 44,522 shares of Class A common stock of the Issuer (the "Accel London V SP Shares") to its limited partners and to Accel London V Associates L.L.C., the general partner of Accel London V Strategic Partners L.P., representing each such partner's pro rata interest in such Accel London V SP Shares. On the same date, Accel London V Associates L.L.C. distributed, for no consideration, the Accel London V SP Shares it received in the distribution by Accel London V Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel London V SP Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F11 · ownership.nature: These shares are held by Accel London V Strategic Partners L.P.