Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Class A Common Stock^F3,F4	Aug 21, 2026	C	1,204,092	$0.00	A	1,204,092	I	Sequoia Capital U.S. Venture Fund XV, L.P.
Class A Common Stock^F3,F4	Aug 21, 2026	C	50,699	$0.00	A	50,699	I	Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P.
Class A Common Stock^F3,F4	Aug 21, 2026	C	18,231	$0.00	A	18,231	I	Sequoia Capital U.S. Venture Partners Fund XV, L.P.
Class A Common Stock^F3,F4	Aug 21, 2026	C	185,742	$0.00	A	185,742	I	Sequoia Capital U.S. Venture XV Principals Fund, L.P.
Class A Common Stock^F3,F4	Aug 21, 2026	C	319,862	$0.00	A	319,862	I	Sequoia Capital U.S. Growth Fund VIII, L.P.
Class A Common Stock^F3,F4	Aug 21, 2026	J	1,204,092	$0.00	D	0	I	Sequoia Capital U.S. Venture Fund XV, L.P.
Class A Common Stock^F3,F4	Aug 21, 2026	J	50,699	$0.00	D	0	I	Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P.
Class A Common Stock^F3,F4	Aug 21, 2026	J	18,231	$0.00	D	0	I	Sequoia Capital U.S. Venture Partners Fund XV, L.P.
Class A Common Stock^F3,F4	Aug 21, 2026	J	185,742	$0.00	D	0	I	Sequoia Capital U.S. Venture XV Principals Fund, L.P.
Class A Common Stock^F3,F4	Aug 21, 2026	J	319,862	$0.00	D	0	I	Sequoia Capital U.S. Growth Fund VIII, L.P.

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Class B Common Stock^F3,F4,F1	—	Aug 21, 2026	C	1,204,092	D	—	—	Class A Common Stock	1,204,092	5,619,097	I
Class B Common Stock^F3,F4,F1	—	Aug 21, 2026	C	50,699	D	—	—	Class A Common Stock	50,699	236,598	I
Class B Common Stock^F3,F4,F1	—	Aug 21, 2026	C	18,231	D	—	—	Class A Common Stock	18,231	85,079	I
Class B Common Stock^F3,F4,F1	—	Aug 21, 2026	C	185,742	D	—	—	Class A Common Stock	185,742	866,798	I
Class B Common Stock^F3,F4,F1	—	Aug 21, 2026	C	319,862	D	—	—	Class A Common Stock	319,862	1,492,684	I

Explanation of responses

F1The 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.
F2Represents 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.
F3SC 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[continued from Footnote 3] 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.