Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Class A Common Stock^F2,F3	Aug 19, 2026	C	19,349	$0.00	A	19,349	I	Spelunker Channel Holdings, LLC
Class A Common Stock^F2,F3	Aug 19, 2026	C	15,472	$0.00	A	15,472	I	Nalrena, L.L.C.
Class A Common Stock^F2,F3	Aug 19, 2026	S	19,349	$32.8215	D	0	I	Spelunker Channel Holdings, LLC
Class A Common Stock^F2,F3	Aug 19, 2026	S	15,472	$32.8215	D	0	I	Nalrena, L.L.C.
Class A Common Stock^F2,F3	Aug 20, 2026	C	59,897	$0.00	A	59,897	I	Spelunker Channel Holdings, LLC
Class A Common Stock^F2,F3	Aug 20, 2026	C	47,898	$0.00	A	47,898	I	Nalrena, L.L.C.
Class A Common Stock^F2,F3	Aug 20, 2026	S	19,924	$32.522	D	39,973	I	Spelunker Channel Holdings, LLC
Class A Common Stock^F2,F3	Aug 20, 2026	S	15,933	$32.522	D	31,965	I	Nalrena, L.L.C.
Class A Common Stock^F2,F3	Aug 20, 2026	S	37,250	$33.3745	D	2,723	I	Spelunker Channel Holdings, LLC
Class A Common Stock^F2,F3	Aug 20, 2026	S	29,788	$33.3745	D	2,177	I	Nalrena, L.L.C.
Class A Common Stock^F2,F3	Aug 20, 2026	S	2,723	$34.0517	D	0	I	Spelunker Channel Holdings, LLC
Class A Common Stock^F2,F3	Aug 20, 2026	S	2,177	$34.0517	D	0	I	Nalrena, L.L.C.

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^F2,F3,F1	—	Aug 19, 2026	C	19,349	D	—	—	Class A Common Stock	19,349	59,897	I
Class B Common Stock^F2,F3,F1	—	Aug 19, 2026	C	15,472	D	—	—	Class A Common Stock	15,472	47,898	I
Class B Common Stock^F2,F3,F1	—	Aug 20, 2026	C	59,897	D	—	—	Class A Common Stock	59,897	0	I
Class B Common Stock^F2,F3,F1	—	Aug 20, 2026	C	47,898	D	—	—	Class A Common Stock	47,898	0	I
Class B Common Stock^F8,F9,F1	—	holding	—	—	—	—	—	Class A Common Stock	6,823,189	6,823,189	I
Class B Common Stock^F8,F9,F1	—	holding	—	—	—	—	—	Class A Common Stock	287,297	287,297	I
Class B Common Stock^F8,F9,F1	—	holding	—	—	—	—	—	Class A Common Stock	103,310	103,310	I
Class B Common Stock^F8,F9,F1	—	holding	—	—	—	—	—	Class A Common Stock	1,052,540	1,052,540	I
Class B Common Stock^F8,F9,F1	—	holding	—	—	—	—	—	Class A Common Stock	1,812,546	1,812,546	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.
F2SC US SSF 2013 (TTGP), L.L.C. is the general partner of SC U.S. Scout Seed Fund 2013 Management, L.P., which is the general partner of Sequoia Capital U.S. Scout Seed Fund 2013, L.P., which wholly owns Sequoia Capital U.S. Scout Fund IV, L.L.C., which in turn wholly owns Nalrena, L.L.C. and Spelunker Channel Holdings, LLC (collectively, the Scout Funds). As a result, SC US SSF 2013 (TTGP), L.L.C., SC U.S. Scout Seed Fund 2013 Management, L.P., Sequoia Capital U.S. Scout Seed Fund 2013, L.P., and Sequoia Capital U.S. Scout Fund IV, L.L.C. may be deemed to share voting and dispositive power with respect to the shares held by the Scout Funds.
F3[continued from Footnote 2] Each of SC US SSF 2013 (TTGP), L.L.C., SC U.S. Scout Seed Fund 2013 Management, L.P., Sequoia Capital U.S. Scout Seed Fund 2013, L.P., and Sequoia Capital U.S. Scout Fund IV, L.L.C. disclaims beneficial ownership of the securities held by the Scout Funds 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.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.2472 to $33.0547, 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 ranges set forth in footnotes (4), (5), (6) and (7) to this Form 4.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.8450 to $32.8350, inclusive.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.8450 to $33.8400, inclusive.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.8750 to $34.1961, inclusive.
F8SC 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).
F9[continued from Footnote 8] 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.

Remarks

1 of 2 | (1) /s/ Jung Yeon Son, by power of attorney for SC US SSF 2013 (TTGP), L.L.C., the General Partner of SC U.S. Scout Seed Fund 2013 Management, L.P., the General Partner of Sequoia Capital U.S. Scout Seed Fund 2013, L.P., which wholly owns Sequoia Capital U.S. Scout Fund IV, L.L.C. (2)/s/Jung Yeon Son, by power of attorney for SC US SSF 2013 (TTGP), L.L.C., the General Partner of SC U.S. Scout Seed Fund 2013 Management, L.P., the General Partner of Sequoia Capital U.S. Scout Seed Fund 2013, L.P., which wholly owns Sequoia Capital U.S. Scout Fund IV, L.L.C., which wholly owns Nalrena, L.L.C. (3)/s/ Jung Yeon Son, by power of attorney for SC US SSF 2013 (TTGP), L.L.C., the General Partner of SC U.S. Scout Seed Fund 2013 Management, L.P., the General Partner of Sequoia Capital U.S. Scout Seed Fund 2013, L.P., which wholly owns Sequoia Capital U.S. Scout Fund IV, L.L.C., which wholly owns Spelunker Channel Holdings, LLC