LIFE

SEC source: 0001784900-26-000008 · form4-08182026_060804.xml · nonDerivative · entry 4

Kucharski Brandt Walter · CIK 0001784900 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 100,383

F5 · kind: The shares reported were sold solely to satisfy tax withholding obligations arising from the vesting and settlement of restricted stock units. The sale is mandated under the Issuer's equity incentive plan to fund tax withholding through a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person, who exercised no control over the timing, price, or amount of shares sold.

F7 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.40 to $34.84 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: Includes shares issuable on settlement of RSUs.

SEC source: 0001784900-26-000008 · form4-08182026_060804.xml · nonDerivative · entry 3

Kucharski Brandt Walter · CIK 0001784900 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 101,850

F5 · kind: The shares reported were sold solely to satisfy tax withholding obligations arising from the vesting and settlement of restricted stock units. The sale is mandated under the Issuer's equity incentive plan to fund tax withholding through a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person, who exercised no control over the timing, price, or amount of shares sold.

F6 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.40 to $34.375 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: Includes shares issuable on settlement of RSUs.

SEC source: 0001858189-26-000007 · form4-08182026_060811.xml · nonDerivative · entry 2

Capozzi Christopher M. · CIK 0001858189 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 639,044

F1 · kind: The shares reported were sold solely to satisfy tax withholding obligations arising from the vesting and settlement of restricted stock units. The sale is mandated under the Issuer's equity incentive plan to fund tax withholding through a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person, who exercised no control over the timing, price, or amount of shares sold.

F4 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.33 to $34.84 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: Includes shares issuable on settlement of RSUs.

SEC source: 0001858189-26-000007 · form4-08182026_060811.xml · nonDerivative · entry 1

Capozzi Christopher M. · CIK 0001858189 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 650,031

F1 · kind: The shares reported were sold solely to satisfy tax withholding obligations arising from the vesting and settlement of restricted stock units. The sale is mandated under the Issuer's equity incentive plan to fund tax withholding through a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person, who exercised no control over the timing, price, or amount of shares sold.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.33 to $34.325 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: Includes shares issuable on settlement of RSUs.

SEC source: 0002089362-26-000014 · form4-08182026_060809.xml · nonDerivative · entry 2

Colis Peter George · CIK 0002089362 · Director · CEO and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,565,960

F1 · kind: The shares reported were sold solely to satisfy tax withholding obligations arising from the vesting and settlement of restricted stock units. The sale is mandated under the Issuer's equity incentive plan to fund tax withholding through a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person, who exercised no control over the timing, price, or amount of shares sold.

F4 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.34 to $34.86 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: Includes shares issuable on settlement of RSUs.

SEC source: 0002089362-26-000014 · form4-08182026_060809.xml · nonDerivative · entry 1

Colis Peter George · CIK 0002089362 · Director · CEO and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,577,668

F1 · kind: The shares reported were sold solely to satisfy tax withholding obligations arising from the vesting and settlement of restricted stock units. The sale is mandated under the Issuer's equity incentive plan to fund tax withholding through a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person, who exercised no control over the timing, price, or amount of shares sold.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.34 to $34.335 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: Includes shares issuable on settlement of RSUs.

SEC source: 0002089263-26-000012 · form4-08182026_060806.xml · nonDerivative · entry 2

Wang Lingke · CIK 0002089263 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,572,679

F1 · kind: The shares reported were sold solely to satisfy tax withholding obligations arising from the vesting and settlement of restricted stock units. The sale is mandated under the Issuer's equity incentive plan to fund tax withholding through a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person, who exercised no control over the timing, price, or amount of shares sold.

F4 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.755 to $34.84 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: Includes shares issuable on settlement of RSUs.

SEC source: 0002089263-26-000012 · form4-08182026_060806.xml · nonDerivative · entry 1

Wang Lingke · CIK 0002089263 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,572,889

F1 · kind: The shares reported were sold solely to satisfy tax withholding obligations arising from the vesting and settlement of restricted stock units. The sale is mandated under the Issuer's equity incentive plan to fund tax withholding through a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person, who exercised no control over the timing, price, or amount of shares sold.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.75 to $34.745 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: Includes shares issuable on settlement of RSUs.

SEC source: 0001607841-26-000021 · form4.xml · derivative · entry 15

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. Venture XV Management, L.P. · CIK 0001742979 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE FUND XV, L.P. · CIK 0001627324 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV (Q), L.P. · CIK 0001635444 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV, L.P. · CIK 0001635442 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE XV PRINCIPALS FUND, L.P. · CIK 0001635440 · 10% owner

SC U.S. Growth VIII Management, L.P. · CIK 0001743276 · 10% owner

Sequoia Capital U.S. Growth Fund VIII, L.P. · CIK 0001743290 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital U.S. Growth Fund VIII, L.P.

Disclosed balance after: 1,812,546

Underlying: Class A Common Stock · 319,862 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F1 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F1 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F1 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VIII Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VIII, L.P. (GFVIII), and (ii) the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the XV Funds).

F4 · ownership.nature: [continued from Footnote 2] As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GFVIII and the XV Funds. Each of SC US (TTGP), Ltd., SC U.S. Growth VIII Management, L.P. and SC U.S. Venture XV Management, L.P. disclaims beneficial ownership of the shares held by GFVIII and the XV Funds, as applicable, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001607841-26-000021 · form4.xml · derivative · entry 14

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. Venture XV Management, L.P. · CIK 0001742979 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE FUND XV, L.P. · CIK 0001627324 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV (Q), L.P. · CIK 0001635444 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV, L.P. · CIK 0001635442 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE XV PRINCIPALS FUND, L.P. · CIK 0001635440 · 10% owner

SC U.S. Growth VIII Management, L.P. · CIK 0001743276 · 10% owner

Sequoia Capital U.S. Growth Fund VIII, L.P. · CIK 0001743290 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital U.S. Venture XV Principals Fund, L.P.

Disclosed balance after: 1,052,540

Underlying: Class A Common Stock · 185,742 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F1 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F1 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F1 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VIII Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VIII, L.P. (GFVIII), and (ii) the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the XV Funds).

F4 · ownership.nature: [continued from Footnote 2] As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GFVIII and the XV Funds. Each of SC US (TTGP), Ltd., SC U.S. Growth VIII Management, L.P. and SC U.S. Venture XV Management, L.P. disclaims beneficial ownership of the shares held by GFVIII and the XV Funds, as applicable, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001607841-26-000021 · form4.xml · derivative · entry 13

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. Venture XV Management, L.P. · CIK 0001742979 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE FUND XV, L.P. · CIK 0001627324 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV (Q), L.P. · CIK 0001635444 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV, L.P. · CIK 0001635442 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE XV PRINCIPALS FUND, L.P. · CIK 0001635440 · 10% owner

SC U.S. Growth VIII Management, L.P. · CIK 0001743276 · 10% owner

Sequoia Capital U.S. Growth Fund VIII, L.P. · CIK 0001743290 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital U.S. Venture Partners Fund XV, L.P.

Disclosed balance after: 103,310

Underlying: Class A Common Stock · 18,231 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F1 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F1 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F1 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VIII Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VIII, L.P. (GFVIII), and (ii) the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the XV Funds).

F4 · ownership.nature: [continued from Footnote 2] As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GFVIII and the XV Funds. Each of SC US (TTGP), Ltd., SC U.S. Growth VIII Management, L.P. and SC U.S. Venture XV Management, L.P. disclaims beneficial ownership of the shares held by GFVIII and the XV Funds, as applicable, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001607841-26-000021 · form4.xml · derivative · entry 12

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. Venture XV Management, L.P. · CIK 0001742979 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE FUND XV, L.P. · CIK 0001627324 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV (Q), L.P. · CIK 0001635444 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV, L.P. · CIK 0001635442 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE XV PRINCIPALS FUND, L.P. · CIK 0001635440 · 10% owner

SC U.S. Growth VIII Management, L.P. · CIK 0001743276 · 10% owner

Sequoia Capital U.S. Growth Fund VIII, L.P. · CIK 0001743290 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P.

Disclosed balance after: 287,297

Underlying: Class A Common Stock · 50,699 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F1 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F1 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F1 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VIII Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VIII, L.P. (GFVIII), and (ii) the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the XV Funds).

F4 · ownership.nature: [continued from Footnote 2] As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GFVIII and the XV Funds. Each of SC US (TTGP), Ltd., SC U.S. Growth VIII Management, L.P. and SC U.S. Venture XV Management, L.P. disclaims beneficial ownership of the shares held by GFVIII and the XV Funds, as applicable, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001607841-26-000021 · form4.xml · derivative · entry 11

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. Venture XV Management, L.P. · CIK 0001742979 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE FUND XV, L.P. · CIK 0001627324 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV (Q), L.P. · CIK 0001635444 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV, L.P. · CIK 0001635442 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE XV PRINCIPALS FUND, L.P. · CIK 0001635440 · 10% owner

SC U.S. Growth VIII Management, L.P. · CIK 0001743276 · 10% owner

Sequoia Capital U.S. Growth Fund VIII, L.P. · CIK 0001743290 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital U.S. Venture Fund XV, L.P.

Disclosed balance after: 6,823,189

Underlying: Class A Common Stock · 1,204,092 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F1 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F1 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F1 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VIII Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VIII, L.P. (GFVIII), and (ii) the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the XV Funds).

F4 · ownership.nature: [continued from Footnote 2] As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GFVIII and the XV Funds. Each of SC US (TTGP), Ltd., SC U.S. Growth VIII Management, L.P. and SC U.S. Venture XV Management, L.P. disclaims beneficial ownership of the shares held by GFVIII and the XV Funds, as applicable, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001607841-26-000021 · form4.xml · nonDerivative · entry 10

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. Venture XV Management, L.P. · CIK 0001742979 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE FUND XV, L.P. · CIK 0001627324 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV (Q), L.P. · CIK 0001635444 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV, L.P. · CIK 0001635442 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE XV PRINCIPALS FUND, L.P. · CIK 0001635440 · 10% owner

SC U.S. Growth VIII Management, L.P. · CIK 0001743276 · 10% owner

Sequoia Capital U.S. Growth Fund VIII, L.P. · CIK 0001743290 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital U.S. Growth Fund VIII, L.P.

Disclosed balance after: 0

F2 · kind: Represents a pro rata in-kind distribution of shares of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent pro rata in-kind distributions by general partners or managing members to their respective partners or members for no consideration.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VIII Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VIII, L.P. (GFVIII), and (ii) the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the XV Funds).

F4 · ownership.nature: [continued from Footnote 2] As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GFVIII and the XV Funds. Each of SC US (TTGP), Ltd., SC U.S. Growth VIII Management, L.P. and SC U.S. Venture XV Management, L.P. disclaims beneficial ownership of the shares held by GFVIII and the XV Funds, as applicable, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001607841-26-000021 · form4.xml · nonDerivative · entry 9

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. Venture XV Management, L.P. · CIK 0001742979 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE FUND XV, L.P. · CIK 0001627324 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV (Q), L.P. · CIK 0001635444 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV, L.P. · CIK 0001635442 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE XV PRINCIPALS FUND, L.P. · CIK 0001635440 · 10% owner

SC U.S. Growth VIII Management, L.P. · CIK 0001743276 · 10% owner

Sequoia Capital U.S. Growth Fund VIII, L.P. · CIK 0001743290 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital U.S. Venture XV Principals Fund, L.P.

Disclosed balance after: 0

F2 · kind: Represents a pro rata in-kind distribution of shares of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent pro rata in-kind distributions by general partners or managing members to their respective partners or members for no consideration.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VIII Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VIII, L.P. (GFVIII), and (ii) the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the XV Funds).

F4 · ownership.nature: [continued from Footnote 2] As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GFVIII and the XV Funds. Each of SC US (TTGP), Ltd., SC U.S. Growth VIII Management, L.P. and SC U.S. Venture XV Management, L.P. disclaims beneficial ownership of the shares held by GFVIII and the XV Funds, as applicable, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001607841-26-000021 · form4.xml · nonDerivative · entry 8

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. Venture XV Management, L.P. · CIK 0001742979 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE FUND XV, L.P. · CIK 0001627324 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV (Q), L.P. · CIK 0001635444 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV, L.P. · CIK 0001635442 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE XV PRINCIPALS FUND, L.P. · CIK 0001635440 · 10% owner

SC U.S. Growth VIII Management, L.P. · CIK 0001743276 · 10% owner

Sequoia Capital U.S. Growth Fund VIII, L.P. · CIK 0001743290 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital U.S. Venture Partners Fund XV, L.P.

Disclosed balance after: 0

F2 · kind: Represents a pro rata in-kind distribution of shares of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent pro rata in-kind distributions by general partners or managing members to their respective partners or members for no consideration.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VIII Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VIII, L.P. (GFVIII), and (ii) the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the XV Funds).

F4 · ownership.nature: [continued from Footnote 2] As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GFVIII and the XV Funds. Each of SC US (TTGP), Ltd., SC U.S. Growth VIII Management, L.P. and SC U.S. Venture XV Management, L.P. disclaims beneficial ownership of the shares held by GFVIII and the XV Funds, as applicable, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001607841-26-000021 · form4.xml · nonDerivative · entry 7

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. Venture XV Management, L.P. · CIK 0001742979 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE FUND XV, L.P. · CIK 0001627324 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV (Q), L.P. · CIK 0001635444 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV, L.P. · CIK 0001635442 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE XV PRINCIPALS FUND, L.P. · CIK 0001635440 · 10% owner

SC U.S. Growth VIII Management, L.P. · CIK 0001743276 · 10% owner

Sequoia Capital U.S. Growth Fund VIII, L.P. · CIK 0001743290 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P.

Disclosed balance after: 0

F2 · kind: Represents a pro rata in-kind distribution of shares of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent pro rata in-kind distributions by general partners or managing members to their respective partners or members for no consideration.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VIII Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VIII, L.P. (GFVIII), and (ii) the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the XV Funds).

F4 · ownership.nature: [continued from Footnote 2] As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GFVIII and the XV Funds. Each of SC US (TTGP), Ltd., SC U.S. Growth VIII Management, L.P. and SC U.S. Venture XV Management, L.P. disclaims beneficial ownership of the shares held by GFVIII and the XV Funds, as applicable, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001607841-26-000021 · form4.xml · nonDerivative · entry 6

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. Venture XV Management, L.P. · CIK 0001742979 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE FUND XV, L.P. · CIK 0001627324 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV (Q), L.P. · CIK 0001635444 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV, L.P. · CIK 0001635442 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE XV PRINCIPALS FUND, L.P. · CIK 0001635440 · 10% owner

SC U.S. Growth VIII Management, L.P. · CIK 0001743276 · 10% owner

Sequoia Capital U.S. Growth Fund VIII, L.P. · CIK 0001743290 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital U.S. Venture Fund XV, L.P.

Disclosed balance after: 0

F2 · kind: Represents a pro rata in-kind distribution of shares of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent pro rata in-kind distributions by general partners or managing members to their respective partners or members for no consideration.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VIII Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VIII, L.P. (GFVIII), and (ii) the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the XV Funds).

F4 · ownership.nature: [continued from Footnote 2] As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GFVIII and the XV Funds. Each of SC US (TTGP), Ltd., SC U.S. Growth VIII Management, L.P. and SC U.S. Venture XV Management, L.P. disclaims beneficial ownership of the shares held by GFVIII and the XV Funds, as applicable, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001607841-26-000021 · form4.xml · nonDerivative · entry 5

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. Venture XV Management, L.P. · CIK 0001742979 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE FUND XV, L.P. · CIK 0001627324 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV (Q), L.P. · CIK 0001635444 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV, L.P. · CIK 0001635442 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE XV PRINCIPALS FUND, L.P. · CIK 0001635440 · 10% owner

SC U.S. Growth VIII Management, L.P. · CIK 0001743276 · 10% owner

Sequoia Capital U.S. Growth Fund VIII, L.P. · CIK 0001743290 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital U.S. Growth Fund VIII, L.P.

Disclosed balance after: 319,862

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 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VIII Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VIII, L.P. (GFVIII), and (ii) the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the XV Funds).

F4 · ownership.nature: [continued from Footnote 2] As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GFVIII and the XV Funds. Each of SC US (TTGP), Ltd., SC U.S. Growth VIII Management, L.P. and SC U.S. Venture XV Management, L.P. disclaims beneficial ownership of the shares held by GFVIII and the XV Funds, as applicable, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001607841-26-000021 · form4.xml · nonDerivative · entry 4

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. Venture XV Management, L.P. · CIK 0001742979 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE FUND XV, L.P. · CIK 0001627324 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV (Q), L.P. · CIK 0001635444 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV, L.P. · CIK 0001635442 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE XV PRINCIPALS FUND, L.P. · CIK 0001635440 · 10% owner

SC U.S. Growth VIII Management, L.P. · CIK 0001743276 · 10% owner

Sequoia Capital U.S. Growth Fund VIII, L.P. · CIK 0001743290 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital U.S. Venture XV Principals Fund, L.P.

Disclosed balance after: 185,742

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 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VIII Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VIII, L.P. (GFVIII), and (ii) the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the XV Funds).

F4 · ownership.nature: [continued from Footnote 2] As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GFVIII and the XV Funds. Each of SC US (TTGP), Ltd., SC U.S. Growth VIII Management, L.P. and SC U.S. Venture XV Management, L.P. disclaims beneficial ownership of the shares held by GFVIII and the XV Funds, as applicable, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001607841-26-000021 · form4.xml · nonDerivative · entry 3

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. Venture XV Management, L.P. · CIK 0001742979 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE FUND XV, L.P. · CIK 0001627324 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV (Q), L.P. · CIK 0001635444 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV, L.P. · CIK 0001635442 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE XV PRINCIPALS FUND, L.P. · CIK 0001635440 · 10% owner

SC U.S. Growth VIII Management, L.P. · CIK 0001743276 · 10% owner

Sequoia Capital U.S. Growth Fund VIII, L.P. · CIK 0001743290 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital U.S. Venture Partners Fund XV, L.P.

Disclosed balance after: 18,231

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 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VIII Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VIII, L.P. (GFVIII), and (ii) the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the XV Funds).

F4 · ownership.nature: [continued from Footnote 2] As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GFVIII and the XV Funds. Each of SC US (TTGP), Ltd., SC U.S. Growth VIII Management, L.P. and SC U.S. Venture XV Management, L.P. disclaims beneficial ownership of the shares held by GFVIII and the XV Funds, as applicable, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001607841-26-000021 · form4.xml · nonDerivative · entry 2

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. Venture XV Management, L.P. · CIK 0001742979 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE FUND XV, L.P. · CIK 0001627324 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV (Q), L.P. · CIK 0001635444 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV, L.P. · CIK 0001635442 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE XV PRINCIPALS FUND, L.P. · CIK 0001635440 · 10% owner

SC U.S. Growth VIII Management, L.P. · CIK 0001743276 · 10% owner

Sequoia Capital U.S. Growth Fund VIII, L.P. · CIK 0001743290 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P.

Disclosed balance after: 50,699

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 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VIII Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VIII, L.P. (GFVIII), and (ii) the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the XV Funds).

F4 · ownership.nature: [continued from Footnote 2] As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GFVIII and the XV Funds. Each of SC US (TTGP), Ltd., SC U.S. Growth VIII Management, L.P. and SC U.S. Venture XV Management, L.P. disclaims beneficial ownership of the shares held by GFVIII and the XV Funds, as applicable, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001607841-26-000021 · form4.xml · nonDerivative · entry 1

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. Venture XV Management, L.P. · CIK 0001742979 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE FUND XV, L.P. · CIK 0001627324 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV (Q), L.P. · CIK 0001635444 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV, L.P. · CIK 0001635442 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE XV PRINCIPALS FUND, L.P. · CIK 0001635440 · 10% owner

SC U.S. Growth VIII Management, L.P. · CIK 0001743276 · 10% owner

Sequoia Capital U.S. Growth Fund VIII, L.P. · CIK 0001743290 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Sequoia Capital U.S. Venture Fund XV, L.P.

Disclosed balance after: 1,204,092

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 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the option of the holder thereof and has no expiration date.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VIII Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VIII, L.P. (GFVIII), and (ii) the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the XV Funds).

F4 · ownership.nature: [continued from Footnote 2] As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GFVIII and the XV Funds. Each of SC US (TTGP), Ltd., SC U.S. Growth VIII Management, L.P. and SC U.S. Venture XV Management, L.P. disclaims beneficial ownership of the shares held by GFVIII and the XV Funds, as applicable, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001222287-26-000021 · form4-08192026_060815.xml · nonDerivative · entry 1

BOTHA ROELOF · CIK 0001222287 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By estate planning vehicles

Disclosed balance after: 312,260

F1 · kind: These shares were received as part of a pro rata in-kind distribution to the partners of investment funds in which the reporting person's estate planning vehicles are partners.

F2 · balance_after: Includes 260,525 shares transferred to an estate planning vehicle in a transaction exempt from Section 16 pursuant to Rule 16a-13.

SEC source: 0001784900-26-000008 · form4-08182026_060804.xml · nonDerivative · entry 2

Kucharski Brandt Walter · CIK 0001784900 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 105,994

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 15, 2026, and occurred pursuant to the pre-established terms of such plan rather than as a result of a discretionary decision by the Reporting Person to sell shares at that time.

F4 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.36 to $35.515 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: Includes shares issuable on settlement of RSUs.

SEC source: 0001784900-26-000008 · form4-08182026_060804.xml · nonDerivative · entry 1

Kucharski Brandt Walter · CIK 0001784900 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 109,765

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 15, 2026, and occurred pursuant to the pre-established terms of such plan rather than as a result of a discretionary decision by the Reporting Person to sell shares at that time.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.33 to $35.32 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: Includes shares issuable on settlement of RSUs.

SEC source: 0001231919-26-000878 · form4-08132026_040801.xml · derivative · entry 9

Accel Growth Fund IV L.P. · CIK 0001665743 · 10% owner

Accel Growth Fund Investors 2016 L.L.C. · CIK 0001761641 · 10% owner

Accel Growth Fund IV Strategic Partners L.P. · CIK 0001673903 · 10% owner

Accel Growth Fund IV Associates L.L.C. · CIK 0001665744 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 24,879

Underlying: Class A Common Stock · 4,050 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

SEC source: 0001231919-26-000878 · form4-08132026_040801.xml · derivative · entry 8

Accel Growth Fund IV L.P. · CIK 0001665743 · 10% owner

Accel Growth Fund Investors 2016 L.L.C. · CIK 0001761641 · 10% owner

Accel Growth Fund IV Strategic Partners L.P. · CIK 0001673903 · 10% owner

Accel Growth Fund IV Associates L.L.C. · CIK 0001665744 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 209,205

Underlying: Class A Common Stock · 34,050 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

SEC source: 0001231919-26-000878 · form4-08132026_040801.xml · derivative · entry 7

Accel Growth Fund IV L.P. · CIK 0001665743 · 10% owner

Accel Growth Fund Investors 2016 L.L.C. · CIK 0001761641 · 10% owner

Accel Growth Fund IV Strategic Partners L.P. · CIK 0001673903 · 10% owner

Accel Growth Fund IV Associates L.L.C. · CIK 0001665744 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,373,831

Underlying: Class A Common Stock · 711,190 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

SEC source: 0001231919-26-000878 · form4-08132026_040801.xml · nonDerivative · entry 6

Accel Growth Fund IV L.P. · CIK 0001665743 · 10% owner

Accel Growth Fund Investors 2016 L.L.C. · CIK 0001761641 · 10% owner

Accel Growth Fund IV Strategic Partners L.P. · CIK 0001673903 · 10% owner

Accel Growth Fund IV Associates L.L.C. · CIK 0001665744 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

F4 · kind: On August 11, 2026, Accel Growth Fund IV Strategic Partners L.P. distributed, for no consideration, 4,050 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.

SEC source: 0001231919-26-000878 · form4-08132026_040801.xml · nonDerivative · entry 5

Accel Growth Fund IV L.P. · CIK 0001665743 · 10% owner

Accel Growth Fund Investors 2016 L.L.C. · CIK 0001761641 · 10% owner

Accel Growth Fund IV Strategic Partners L.P. · CIK 0001673903 · 10% owner

Accel Growth Fund IV Associates L.L.C. · CIK 0001665744 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

F3 · kind: On August 11, 2026, Accel Growth Fund Investors 2016 L.L.C. distributed, for no consideration, 34,050 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.

SEC source: 0001231919-26-000878 · form4-08132026_040801.xml · nonDerivative · entry 4

Accel Growth Fund IV L.P. · CIK 0001665743 · 10% owner

Accel Growth Fund Investors 2016 L.L.C. · CIK 0001761641 · 10% owner

Accel Growth Fund IV Strategic Partners L.P. · CIK 0001673903 · 10% owner

Accel Growth Fund IV Associates L.L.C. · CIK 0001665744 · 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

F2 · kind: On August 11, 2026, Accel Growth Fund IV L.P. distributed, for no consideration, 711,900 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.

SEC source: 0001231919-26-000878 · form4-08132026_040801.xml · nonDerivative · entry 3

Accel Growth Fund IV L.P. · CIK 0001665743 · 10% owner

Accel Growth Fund Investors 2016 L.L.C. · CIK 0001761641 · 10% owner

Accel Growth Fund IV Strategic Partners L.P. · CIK 0001673903 · 10% owner

Accel Growth Fund IV Associates L.L.C. · CIK 0001665744 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 4,050

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

F1 · price: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

SEC source: 0001231919-26-000878 · form4-08132026_040801.xml · nonDerivative · entry 2

Accel Growth Fund IV L.P. · CIK 0001665743 · 10% owner

Accel Growth Fund Investors 2016 L.L.C. · CIK 0001761641 · 10% owner

Accel Growth Fund IV Strategic Partners L.P. · CIK 0001673903 · 10% owner

Accel Growth Fund IV Associates L.L.C. · CIK 0001665744 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 34,050

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

F1 · price: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

SEC source: 0001231919-26-000878 · form4-08132026_040801.xml · nonDerivative · entry 1

Accel Growth Fund IV L.P. · CIK 0001665743 · 10% owner

Accel Growth Fund Investors 2016 L.L.C. · CIK 0001761641 · 10% owner

Accel Growth Fund IV Strategic Partners L.P. · CIK 0001673903 · 10% owner

Accel Growth Fund IV Associates L.L.C. · CIK 0001665744 · 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: 711,900

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

F1 · price: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

SEC source: 0001032845-26-000005 · form4-08112026_040806.xml · nonDerivative · entry 1

KUNZE JOHN H · CIK 0001032845 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,785

F1 · kind: Represents a restricted stock unit ("RSU") award. The RSUs will vest as to 25% on each of November 8, 2026, February 8, 2027, May 8, 2027 and August 8, 2027, provided, that the unvested portion of the RSU grant shall be fully vested on the earlier of (i) the first anniversary of the date of grant and (ii) the date of the Issuer's 2027 annual stockholder meeting, subject to the Reporting Person's continuous service through each such vesting date.

F2 · balance_after: Includes shares issuable on settlement of RSUs.

SEC source: 0001737610-26-000014 · form4-08112026_040810.xml · nonDerivative · entry 1

Shipchandler Khozema · CIK 0001737610 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,312

F1 · kind: Represents a restricted stock unit ("RSU") award. The RSUs will vest as to 25% on each of November 8, 2026, February 8, 2027, May 8, 2027 and August 8, 2027, provided, that the unvested portion of the RSU grant shall be fully vested on the earlier of (i) the first anniversary of the date of grant and (ii) the date of the Issuer's 2027 annual stockholder meeting, subject to the Reporting Person's continuous service through each such vesting date.

F2 · balance_after: Includes shares issuable on settlement of RSUs.

SEC source: 0001273281-26-000006 · form4-08112026_040812.xml · nonDerivative · entry 1

WHEELER WILLIAM J · CIK 0001273281 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 278,079

F1 · kind: Represents a restricted stock unit ("RSU") award. The RSUs will vest as to 25% on each of November 8, 2026, February 8, 2027, May 8, 2027 and August 8, 2027, provided, that the unvested portion of the RSU grant shall be fully vested on the earlier of (i) the first anniversary of the date of grant and (ii) the date of the Issuer's 2027 annual stockholder meeting, subject to the Reporting Person's continuous service through each such vesting date.

F2 · balance_after: Includes shares issuable on settlement of RSUs.

SEC source: 0001222287-26-000019 · form4-08112026_040801.xml · nonDerivative · entry 1

BOTHA ROELOF · CIK 0001222287 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 268,117

F1 · kind: Represents a restricted stock unit ("RSU") award. The RSUs will vest as to 25% on each of November 8, 2026, February 8, 2027, May 8, 2027 and August 8, 2027, provided, that the unvested portion of the RSU grant shall be fully vested on the earlier of (i) the first anniversary of the date of grant and (ii) the date of the Issuer's 2027 annual stockholder meeting, subject to the Reporting Person's continuous service through each such vesting date.

F2 · balance_after: Includes shares issuable on settlement of RSUs.

SEC source: 0001557593-26-000007 · form4-08112026_040805.xml · nonDerivative · entry 1

Hung Priscilla · CIK 0001557593 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,287

F1 · kind: Represents a restricted stock unit ("RSU") award. The RSUs will vest as to 25% on each of November 8, 2026, February 8, 2027, May 8, 2027 and August 8, 2027, provided, that the unvested portion of the RSU grant shall be fully vested on the earlier of (i) the first anniversary of the date of grant and (ii) the date of the Issuer's 2027 annual stockholder meeting, subject to the Reporting Person's continuous service through each such vesting date.

F2 · balance_after: Includes shares issuable on settlement of RSUs.

SEC source: 0002065675-26-000004 · form4-08112026_040808.xml · nonDerivative · entry 1

Niparko Nathan J · CIK 0002065675 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,927

F1 · kind: Represents a restricted stock unit ("RSU") award. The RSUs will vest as to 25% on each of November 8, 2026, February 8, 2027, May 8, 2027 and August 8, 2027, provided, that the unvested portion of the RSU grant shall be fully vested on the earlier of (i) the first anniversary of the date of grant and (ii) the date of the Issuer's 2027 annual stockholder meeting, subject to the Reporting Person's continuous service through each such vesting date.

F2 · balance_after: Includes shares issuable on settlement of RSUs.

SEC source: 0002104019-26-000006 · form4-08112026_040813.xml · nonDerivative · entry 1

Mullin Mark W. · CIK 0002104019 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,252

F1 · kind: Represents a restricted stock unit ("RSU") award. The RSUs will vest as to 25% on each of November 8, 2026, February 8, 2027, May 8, 2027 and August 8, 2027, provided, that the unvested portion of the RSU grant shall be fully vested on the earlier of (i) the first anniversary of the date of grant and (ii) the date of the Issuer's 2027 annual stockholder meeting, subject to the Reporting Person's continuous service through each such vesting date.

F2 · balance_after: Includes shares issuable on settlement of RSUs.

SEC source: 0001231919-26-000836 · form4-08062026_040801.xml · derivative · entry 9

Accel Growth Fund IV L.P. · CIK 0001665743 · 10% owner

Accel Growth Fund Investors 2016 L.L.C. · CIK 0001761641 · 10% owner

Accel Growth Fund IV Strategic Partners L.P. · CIK 0001673903 · 10% owner

Accel Growth Fund IV Associates L.L.C. · CIK 0001665744 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 28,929

Underlying: Class A Common Stock · 9,644 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

SEC source: 0001231919-26-000836 · form4-08062026_040801.xml · derivative · entry 8

Accel Growth Fund IV L.P. · CIK 0001665743 · 10% owner

Accel Growth Fund Investors 2016 L.L.C. · CIK 0001761641 · 10% owner

Accel Growth Fund IV Strategic Partners L.P. · CIK 0001673903 · 10% owner

Accel Growth Fund IV Associates L.L.C. · CIK 0001665744 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 243,255

Underlying: Class A Common Stock · 81,083 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

SEC source: 0001231919-26-000836 · form4-08062026_040801.xml · derivative · entry 7

Accel Growth Fund IV L.P. · CIK 0001665743 · 10% owner

Accel Growth Fund Investors 2016 L.L.C. · CIK 0001761641 · 10% owner

Accel Growth Fund IV Strategic Partners L.P. · CIK 0001673903 · 10% owner

Accel Growth Fund IV Associates L.L.C. · CIK 0001665744 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,085,731

Underlying: Class A Common Stock · 1,695,244 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

SEC source: 0001231919-26-000836 · form4-08062026_040801.xml · nonDerivative · entry 6

Accel Growth Fund IV L.P. · CIK 0001665743 · 10% owner

Accel Growth Fund Investors 2016 L.L.C. · CIK 0001761641 · 10% owner

Accel Growth Fund IV Strategic Partners L.P. · CIK 0001673903 · 10% owner

Accel Growth Fund IV Associates L.L.C. · CIK 0001665744 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

F4 · kind: On August 4, 2026, Accel Growth Fund IV Strategic Partners L.P. distributed, for no consideration, 9,644 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.

SEC source: 0001231919-26-000836 · form4-08062026_040801.xml · nonDerivative · entry 5

Accel Growth Fund IV L.P. · CIK 0001665743 · 10% owner

Accel Growth Fund Investors 2016 L.L.C. · CIK 0001761641 · 10% owner

Accel Growth Fund IV Strategic Partners L.P. · CIK 0001673903 · 10% owner

Accel Growth Fund IV Associates L.L.C. · CIK 0001665744 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

F3 · kind: On August 4, 2026, Accel Growth Fund Investors 2016 L.L.C. distributed, for no consideration, 81,083 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.

SEC source: 0001231919-26-000836 · form4-08062026_040801.xml · nonDerivative · entry 4

Accel Growth Fund IV L.P. · CIK 0001665743 · 10% owner

Accel Growth Fund Investors 2016 L.L.C. · CIK 0001761641 · 10% owner

Accel Growth Fund IV Strategic Partners L.P. · CIK 0001673903 · 10% owner

Accel Growth Fund IV Associates L.L.C. · CIK 0001665744 · 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

F2 · kind: On August 4, 2026, Accel Growth Fund IV L.P. distributed, for no consideration, 1,695,244 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.

SEC source: 0001231919-26-000836 · form4-08062026_040801.xml · nonDerivative · entry 3

Accel Growth Fund IV L.P. · CIK 0001665743 · 10% owner

Accel Growth Fund Investors 2016 L.L.C. · CIK 0001761641 · 10% owner

Accel Growth Fund IV Strategic Partners L.P. · CIK 0001673903 · 10% owner

Accel Growth Fund IV Associates L.L.C. · CIK 0001665744 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 9,644

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

F1 · price: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.

SEC source: 0001231919-26-000836 · form4-08062026_040801.xml · nonDerivative · entry 2

Accel Growth Fund IV L.P. · CIK 0001665743 · 10% owner

Accel Growth Fund Investors 2016 L.L.C. · CIK 0001761641 · 10% owner

Accel Growth Fund IV Strategic Partners L.P. · CIK 0001673903 · 10% owner

Accel Growth Fund IV Associates L.L.C. · CIK 0001665744 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 81,083

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

F1 · price: Each share of Class B Common Stock is convertible at the option of the holder thereof into one share of Class A Common Stock and otherwise in accordance with the terms of the Issuer's Certificate of Incorporation. The securities have no expiration date.