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Nasdaq · USD

LIFE

Ethos Technologies Inc.

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Tapewire entity
4157
SEC CIK
0001788451
Parsed reports
69

Last 12 months

Inside the activity.

3 purchase rows · 76 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202500
Jan 202635
Feb 202600
Mar 202600
Apr 202600
May 2026011
Jun 202600
Jul 2026012
Aug 2026037
Sep 2026011
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
August 21, 2026 Filed Aug 25, 2026 20:30 UTC ConversionClass A Common Stock 50,699 $0.00 $0.00
Disclosure

SEC source: 0001607841-26-000028 · 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 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.

Read SEC document
August 21, 2026 Filed Aug 25, 2026 20:30 UTC ConversionClass A Common Stock 1,204,092 $0.00 $0.00
Disclosure

SEC source: 0001607841-26-000028 · 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 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.

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August 21, 2026 Filed Aug 25, 2026 20:15 UTC
BOTHA ROELOFDirector
OtherClass A Common Stock 55,167 $0.00 $0.00
Disclosure

SEC source: 0001222287-26-000023 · form4-08252026_040809.xml · nonDerivative · entry 1

BOTHA ROELOF · CIK 0001222287 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By estate planning vehicles

Disclosed balance after: 367,427

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.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 20:16 UTC
Nalrena, LLC10% owner
ConversionClass B Common Stock · Derivative 47,898 $0.00 $0.00
Disclosure

SEC source: 0001607841-26-000025 · form4.xml · derivative · entry 16

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

SC US SSF 2013 (TTGP), L.L.C. · CIK 0001611385 · 10% owner

SC U.S. SCOUT SEED FUND 2013 MANAGEMENT, L.P. · CIK 0001611405 · 10% owner

SEQUOIA CAPITAL U.S. SCOUT SEED FUND 2013, L.P. · CIK 0001569625 · 10% owner

Sequoia Capital U.S. Scout IV, L.L.C · CIK 0001781439 · 10% owner

Nalrena, LLC · CIK 0002064595 · 10% owner

Spelunker Channel Holdings, LLC · CIK 0002064798 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Nalrena, L.L.C.

Disclosed balance after: 0

Underlying: Class A Common Stock · 47,898 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 20:16 UTC
Nalrena, LLC10% owner
ConversionClass B Common Stock · Derivative 59,897 $0.00 $0.00
Disclosure

SEC source: 0001607841-26-000025 · form4.xml · derivative · entry 15

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

SC US SSF 2013 (TTGP), L.L.C. · CIK 0001611385 · 10% owner

SC U.S. SCOUT SEED FUND 2013 MANAGEMENT, L.P. · CIK 0001611405 · 10% owner

SEQUOIA CAPITAL U.S. SCOUT SEED FUND 2013, L.P. · CIK 0001569625 · 10% owner

Sequoia Capital U.S. Scout IV, L.L.C · CIK 0001781439 · 10% owner

Nalrena, LLC · CIK 0002064595 · 10% owner

Spelunker Channel Holdings, LLC · CIK 0002064798 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Spelunker Channel Holdings, LLC

Disclosed balance after: 0

Underlying: Class A Common Stock · 59,897 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 20:16 UTC
Nalrena, LLC10% owner
SaleClass A Common Stock 2,177 $34.05 $74,130.55
Disclosure

SEC source: 0001607841-26-000025 · form4.xml · nonDerivative · entry 12

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

SC US SSF 2013 (TTGP), L.L.C. · CIK 0001611385 · 10% owner

SC U.S. SCOUT SEED FUND 2013 MANAGEMENT, L.P. · CIK 0001611405 · 10% owner

SEQUOIA CAPITAL U.S. SCOUT SEED FUND 2013, L.P. · CIK 0001569625 · 10% owner

Sequoia Capital U.S. Scout IV, L.L.C · CIK 0001781439 · 10% owner

Nalrena, LLC · CIK 0002064595 · 10% owner

Spelunker Channel Holdings, LLC · CIK 0002064798 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Nalrena, L.L.C.

Disclosed balance after: 0

F7 · kind: The 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 20:16 UTC
Nalrena, LLC10% owner
SaleClass A Common Stock 2,723 $34.05 $92,722.78
Disclosure

SEC source: 0001607841-26-000025 · form4.xml · nonDerivative · entry 11

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

SC US SSF 2013 (TTGP), L.L.C. · CIK 0001611385 · 10% owner

SC U.S. SCOUT SEED FUND 2013 MANAGEMENT, L.P. · CIK 0001611405 · 10% owner

SEQUOIA CAPITAL U.S. SCOUT SEED FUND 2013, L.P. · CIK 0001569625 · 10% owner

Sequoia Capital U.S. Scout IV, L.L.C · CIK 0001781439 · 10% owner

Nalrena, LLC · CIK 0002064595 · 10% owner

Spelunker Channel Holdings, LLC · CIK 0002064798 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Spelunker Channel Holdings, LLC

Disclosed balance after: 0

F7 · kind: The 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 20:16 UTC
Nalrena, LLC10% owner
SaleClass A Common Stock 29,788 $33.37 $994,159.61
Disclosure

SEC source: 0001607841-26-000025 · form4.xml · nonDerivative · entry 10

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

SC US SSF 2013 (TTGP), L.L.C. · CIK 0001611385 · 10% owner

SC U.S. SCOUT SEED FUND 2013 MANAGEMENT, L.P. · CIK 0001611405 · 10% owner

SEQUOIA CAPITAL U.S. SCOUT SEED FUND 2013, L.P. · CIK 0001569625 · 10% owner

Sequoia Capital U.S. Scout IV, L.L.C · CIK 0001781439 · 10% owner

Nalrena, LLC · CIK 0002064595 · 10% owner

Spelunker Channel Holdings, LLC · CIK 0002064798 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Nalrena, L.L.C.

Disclosed balance after: 2,177

F6 · kind: The 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 20:16 UTC
Nalrena, LLC10% owner
SaleClass A Common Stock 37,250 $33.37 $1,243,200.13
Disclosure

SEC source: 0001607841-26-000025 · form4.xml · nonDerivative · entry 9

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

SC US SSF 2013 (TTGP), L.L.C. · CIK 0001611385 · 10% owner

SC U.S. SCOUT SEED FUND 2013 MANAGEMENT, L.P. · CIK 0001611405 · 10% owner

SEQUOIA CAPITAL U.S. SCOUT SEED FUND 2013, L.P. · CIK 0001569625 · 10% owner

Sequoia Capital U.S. Scout IV, L.L.C · CIK 0001781439 · 10% owner

Nalrena, LLC · CIK 0002064595 · 10% owner

Spelunker Channel Holdings, LLC · CIK 0002064798 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Spelunker Channel Holdings, LLC

Disclosed balance after: 2,723

F6 · kind: The 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 20:16 UTC
Nalrena, LLC10% owner
SaleClass A Common Stock 15,933 $32.52 $518,173.03
Disclosure

SEC source: 0001607841-26-000025 · form4.xml · nonDerivative · entry 8

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

SC US SSF 2013 (TTGP), L.L.C. · CIK 0001611385 · 10% owner

SC U.S. SCOUT SEED FUND 2013 MANAGEMENT, L.P. · CIK 0001611405 · 10% owner

SEQUOIA CAPITAL U.S. SCOUT SEED FUND 2013, L.P. · CIK 0001569625 · 10% owner

Sequoia Capital U.S. Scout IV, L.L.C · CIK 0001781439 · 10% owner

Nalrena, LLC · CIK 0002064595 · 10% owner

Spelunker Channel Holdings, LLC · CIK 0002064798 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Nalrena, L.L.C.

Disclosed balance after: 31,965

F5 · kind: The 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 20:16 UTC
Nalrena, LLC10% owner
SaleClass A Common Stock 19,924 $32.52 $647,968.33
Disclosure

SEC source: 0001607841-26-000025 · form4.xml · nonDerivative · entry 7

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

SC US SSF 2013 (TTGP), L.L.C. · CIK 0001611385 · 10% owner

SC U.S. SCOUT SEED FUND 2013 MANAGEMENT, L.P. · CIK 0001611405 · 10% owner

SEQUOIA CAPITAL U.S. SCOUT SEED FUND 2013, L.P. · CIK 0001569625 · 10% owner

Sequoia Capital U.S. Scout IV, L.L.C · CIK 0001781439 · 10% owner

Nalrena, LLC · CIK 0002064595 · 10% owner

Spelunker Channel Holdings, LLC · CIK 0002064798 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Spelunker Channel Holdings, LLC

Disclosed balance after: 39,973

F5 · kind: The 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 20:16 UTC
Nalrena, LLC10% owner
ConversionClass A Common Stock 47,898 $0.00 $0.00
Disclosure

SEC source: 0001607841-26-000025 · form4.xml · nonDerivative · entry 6

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

SC US SSF 2013 (TTGP), L.L.C. · CIK 0001611385 · 10% owner

SC U.S. SCOUT SEED FUND 2013 MANAGEMENT, L.P. · CIK 0001611405 · 10% owner

SEQUOIA CAPITAL U.S. SCOUT SEED FUND 2013, L.P. · CIK 0001569625 · 10% owner

Sequoia Capital U.S. Scout IV, L.L.C · CIK 0001781439 · 10% owner

Nalrena, LLC · CIK 0002064595 · 10% owner

Spelunker Channel Holdings, LLC · CIK 0002064798 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Nalrena, L.L.C.

Disclosed balance after: 47,898

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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 20:16 UTC
Nalrena, LLC10% owner
ConversionClass A Common Stock 59,897 $0.00 $0.00
Disclosure

SEC source: 0001607841-26-000025 · form4.xml · nonDerivative · entry 5

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

SC US SSF 2013 (TTGP), L.L.C. · CIK 0001611385 · 10% owner

SC U.S. SCOUT SEED FUND 2013 MANAGEMENT, L.P. · CIK 0001611405 · 10% owner

SEQUOIA CAPITAL U.S. SCOUT SEED FUND 2013, L.P. · CIK 0001569625 · 10% owner

Sequoia Capital U.S. Scout IV, L.L.C · CIK 0001781439 · 10% owner

Nalrena, LLC · CIK 0002064595 · 10% owner

Spelunker Channel Holdings, LLC · CIK 0002064798 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Spelunker Channel Holdings, LLC

Disclosed balance after: 59,897

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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

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August 20, 2026 Filed Aug 21, 2026 20:17 UTC ConversionClass B Common Stock · Derivative 47,898 $0.00 $0.00
Disclosure

SEC source: 0001607841-26-000026 · form4.xml · derivative · entry 16

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 · Nalrena, L.L.C.

Disclosed balance after: 0

Underlying: Class A Common Stock · 47,898 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

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August 20, 2026 Filed Aug 21, 2026 20:17 UTC ConversionClass B Common Stock · Derivative 59,897 $0.00 $0.00
Disclosure

SEC source: 0001607841-26-000026 · 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 · Spelunker Channel Holdings, LLC

Disclosed balance after: 0

Underlying: Class A Common Stock · 59,897 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

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August 20, 2026 Filed Aug 21, 2026 20:17 UTC SaleClass A Common Stock 2,177 $34.05 $74,130.55
Disclosure

SEC source: 0001607841-26-000026 · form4.xml · nonDerivative · 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 · Nalrena, L.L.C.

Disclosed balance after: 0

F7 · kind: The 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 20:17 UTC SaleClass A Common Stock 2,723 $34.05 $92,722.78
Disclosure

SEC source: 0001607841-26-000026 · form4.xml · nonDerivative · 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 · Spelunker Channel Holdings, LLC

Disclosed balance after: 0

F7 · kind: The 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 20:17 UTC SaleClass A Common Stock 29,788 $33.37 $994,159.61
Disclosure

SEC source: 0001607841-26-000026 · 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 · Nalrena, L.L.C.

Disclosed balance after: 2,177

F6 · kind: The 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

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August 20, 2026 Filed Aug 21, 2026 20:17 UTC SaleClass A Common Stock 37,250 $33.37 $1,243,200.13
Disclosure

SEC source: 0001607841-26-000026 · 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 · Spelunker Channel Holdings, LLC

Disclosed balance after: 2,723

F6 · kind: The 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 20:17 UTC SaleClass A Common Stock 15,933 $32.52 $518,173.03
Disclosure

SEC source: 0001607841-26-000026 · 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 · Nalrena, L.L.C.

Disclosed balance after: 31,965

F5 · kind: The 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 20:17 UTC SaleClass A Common Stock 19,924 $32.52 $647,968.33
Disclosure

SEC source: 0001607841-26-000026 · 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 · Spelunker Channel Holdings, LLC

Disclosed balance after: 39,973

F5 · kind: The 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 20:17 UTC ConversionClass A Common Stock 47,898 $0.00 $0.00
Disclosure

SEC source: 0001607841-26-000026 · 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 · Nalrena, L.L.C.

Disclosed balance after: 47,898

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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 20:17 UTC ConversionClass A Common Stock 59,897 $0.00 $0.00
Disclosure

SEC source: 0001607841-26-000026 · 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 · Spelunker Channel Holdings, LLC

Disclosed balance after: 59,897

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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 22:25 UTC
Kucharski Brandt WalterChief Accounting Officer
SaleClass A Common Stock 316 $32.86 $10,383.76
Disclosure

SEC source: 0001784900-26-000010 · form4-08212026_060801.xml · nonDerivative · entry 2

Kucharski Brandt Walter · CIK 0001784900 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 91,648

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 $32.855 to $32.86 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 restricted stock units.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 22:25 UTC
Kucharski Brandt WalterChief Accounting Officer
SaleClass A Common Stock 8,419 $32.46 $273,280.74
Disclosure

SEC source: 0001784900-26-000010 · form4-08212026_060801.xml · nonDerivative · entry 1

Kucharski Brandt Walter · CIK 0001784900 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 91,964

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 $31.845 to $32.785 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 restricted stock units.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 22:25 UTC
Colis Peter GeorgeDirector · CEO and Secretary
ConversionClass B Common Stock · Derivative 27,924 $0.00 $0.00
Disclosure

SEC source: 0002089362-26-000016 · form4-08212026_060805.xml · derivative · entry 11

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,154,681

Underlying: Class A Common Stock · 27,924 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 held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock. The Class B Common Stock has no expiration.

F1 · derivative.exercise_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock. The Class B Common Stock has no expiration.

F1 · derivative.expiration_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock. The Class B Common Stock has no expiration.

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August 20, 2026 Filed Aug 21, 2026 22:25 UTC
Colis Peter GeorgeDirector · CEO and Secretary
SaleClass A Common Stock 14,744 $33.23 $489,943.12
Disclosure

SEC source: 0002089362-26-000016 · form4-08212026_060805.xml · nonDerivative · entry 6

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,565,960

F3 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 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.

F7 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.845 to $33.82 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.

F2 · balance_after: Includes shares issuable on settlement of restricted stock units.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 22:25 UTC
Colis Peter GeorgeDirector · CEO and Secretary
SaleClass A Common Stock 13,180 $32.60 $429,668.00
Disclosure

SEC source: 0002089362-26-000016 · form4-08212026_060805.xml · nonDerivative · entry 5

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,580,704

F3 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 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.

F6 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.845 to $32.84 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.

F2 · balance_after: Includes shares issuable on settlement of restricted stock units.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 22:25 UTC
Colis Peter GeorgeDirector · CEO and Secretary
ConversionClass A Common Stock 27,924 Not disclosed Not disclosed
Disclosure

SEC source: 0002089362-26-000016 · form4-08212026_060805.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,593,884

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 held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock. The Class B Common Stock has no expiration.

F2 · balance_after: Includes shares issuable on settlement of restricted stock units.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 22:25 UTC
Wang LingkeDirector · President
ConversionClass B Common Stock · Derivative 83,197 $0.00 $0.00
Disclosure

SEC source: 0002089263-26-000014 · form4-08212026_060803.xml · derivative · entry 5

Wang Lingke · CIK 0002089263 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,929,616

Underlying: Class A Common Stock · 83,197 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 held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock. The Class B Common Stock has no expiration.

F1 · derivative.exercise_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock. The Class B Common Stock has no expiration.

F1 · derivative.expiration_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock. The Class B Common Stock has no expiration.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 22:25 UTC
Wang LingkeDirector · President
SaleClass A Common Stock 6,012 $33.98 $204,287.76
Disclosure

SEC source: 0002089263-26-000014 · form4-08212026_060803.xml · nonDerivative · entry 4

Wang Lingke · CIK 0002089263 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,537,543

F3 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 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.

F6 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.88 to $34.11 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.

F2 · balance_after: Includes shares issuable on settlement of restricted stock units.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 22:25 UTC
Wang LingkeDirector · President
SaleClass A Common Stock 80,012 $33.51 $2,681,202.12
Disclosure

SEC source: 0002089263-26-000014 · form4-08212026_060803.xml · nonDerivative · entry 3

Wang Lingke · CIK 0002089263 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,543,555

F3 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 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.

F5 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.855 to $33.84 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.

F2 · balance_after: Includes shares issuable on settlement of restricted stock units.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 22:25 UTC
Wang LingkeDirector · President
SaleClass A Common Stock 32,309 $32.63 $1,054,242.67
Disclosure

SEC source: 0002089263-26-000014 · form4-08212026_060803.xml · nonDerivative · entry 2

Wang Lingke · CIK 0002089263 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,623,567

F3 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 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 $31.8475 to $32.8450 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.

F2 · balance_after: Includes shares issuable on settlement of restricted stock units.

Read SEC document
August 20, 2026 Filed Aug 21, 2026 22:25 UTC
Wang LingkeDirector · President
ConversionClass A Common Stock 83,197 Not disclosed Not disclosed
Disclosure

SEC source: 0002089263-26-000014 · form4-08212026_060803.xml · nonDerivative · entry 1

Wang Lingke · CIK 0002089263 · Director · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,655,876

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 held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock. The Class B Common Stock has no expiration.

F2 · balance_after: Includes shares issuable on settlement of restricted stock units.

Read SEC document
August 19, 2026 Filed Aug 21, 2026 20:16 UTC
Nalrena, LLC10% owner
ConversionClass B Common Stock · Derivative 15,472 $0.00 $0.00
Disclosure

SEC source: 0001607841-26-000025 · form4.xml · derivative · entry 14

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

SC US SSF 2013 (TTGP), L.L.C. · CIK 0001611385 · 10% owner

SC U.S. SCOUT SEED FUND 2013 MANAGEMENT, L.P. · CIK 0001611405 · 10% owner

SEQUOIA CAPITAL U.S. SCOUT SEED FUND 2013, L.P. · CIK 0001569625 · 10% owner

Sequoia Capital U.S. Scout IV, L.L.C · CIK 0001781439 · 10% owner

Nalrena, LLC · CIK 0002064595 · 10% owner

Spelunker Channel Holdings, LLC · CIK 0002064798 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Nalrena, L.L.C.

Disclosed balance after: 47,898

Underlying: Class A Common Stock · 15,472 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 19, 2026 Filed Aug 21, 2026 20:16 UTC
Nalrena, LLC10% owner
ConversionClass B Common Stock · Derivative 19,349 $0.00 $0.00
Disclosure

SEC source: 0001607841-26-000025 · form4.xml · derivative · entry 13

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

SC US SSF 2013 (TTGP), L.L.C. · CIK 0001611385 · 10% owner

SC U.S. SCOUT SEED FUND 2013 MANAGEMENT, L.P. · CIK 0001611405 · 10% owner

SEQUOIA CAPITAL U.S. SCOUT SEED FUND 2013, L.P. · CIK 0001569625 · 10% owner

Sequoia Capital U.S. Scout IV, L.L.C · CIK 0001781439 · 10% owner

Nalrena, LLC · CIK 0002064595 · 10% owner

Spelunker Channel Holdings, LLC · CIK 0002064798 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Spelunker Channel Holdings, LLC

Disclosed balance after: 59,897

Underlying: Class A Common Stock · 19,349 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 19, 2026 Filed Aug 21, 2026 20:16 UTC
Nalrena, LLC10% owner
SaleClass A Common Stock 15,472 $32.82 $507,814.25
Disclosure

SEC source: 0001607841-26-000025 · form4.xml · nonDerivative · entry 4

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

SC US SSF 2013 (TTGP), L.L.C. · CIK 0001611385 · 10% owner

SC U.S. SCOUT SEED FUND 2013 MANAGEMENT, L.P. · CIK 0001611405 · 10% owner

SEQUOIA CAPITAL U.S. SCOUT SEED FUND 2013, L.P. · CIK 0001569625 · 10% owner

Sequoia Capital U.S. Scout IV, L.L.C · CIK 0001781439 · 10% owner

Nalrena, LLC · CIK 0002064595 · 10% owner

Spelunker Channel Holdings, LLC · CIK 0002064798 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Nalrena, L.L.C.

Disclosed balance after: 0

F4 · kind: The 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 19, 2026 Filed Aug 21, 2026 20:16 UTC
Nalrena, LLC10% owner
SaleClass A Common Stock 19,349 $32.82 $635,063.20
Disclosure

SEC source: 0001607841-26-000025 · form4.xml · nonDerivative · entry 3

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

SC US SSF 2013 (TTGP), L.L.C. · CIK 0001611385 · 10% owner

SC U.S. SCOUT SEED FUND 2013 MANAGEMENT, L.P. · CIK 0001611405 · 10% owner

SEQUOIA CAPITAL U.S. SCOUT SEED FUND 2013, L.P. · CIK 0001569625 · 10% owner

Sequoia Capital U.S. Scout IV, L.L.C · CIK 0001781439 · 10% owner

Nalrena, LLC · CIK 0002064595 · 10% owner

Spelunker Channel Holdings, LLC · CIK 0002064798 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Spelunker Channel Holdings, LLC

Disclosed balance after: 0

F4 · kind: The 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 19, 2026 Filed Aug 21, 2026 20:16 UTC
Nalrena, LLC10% owner
ConversionClass A Common Stock 15,472 $0.00 $0.00
Disclosure

SEC source: 0001607841-26-000025 · form4.xml · nonDerivative · entry 2

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

SC US SSF 2013 (TTGP), L.L.C. · CIK 0001611385 · 10% owner

SC U.S. SCOUT SEED FUND 2013 MANAGEMENT, L.P. · CIK 0001611405 · 10% owner

SEQUOIA CAPITAL U.S. SCOUT SEED FUND 2013, L.P. · CIK 0001569625 · 10% owner

Sequoia Capital U.S. Scout IV, L.L.C · CIK 0001781439 · 10% owner

Nalrena, LLC · CIK 0002064595 · 10% owner

Spelunker Channel Holdings, LLC · CIK 0002064798 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Nalrena, L.L.C.

Disclosed balance after: 15,472

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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 19, 2026 Filed Aug 21, 2026 20:16 UTC
Nalrena, LLC10% owner
ConversionClass A Common Stock 19,349 $0.00 $0.00
Disclosure

SEC source: 0001607841-26-000025 · form4.xml · nonDerivative · entry 1

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

SC US SSF 2013 (TTGP), L.L.C. · CIK 0001611385 · 10% owner

SC U.S. SCOUT SEED FUND 2013 MANAGEMENT, L.P. · CIK 0001611405 · 10% owner

SEQUOIA CAPITAL U.S. SCOUT SEED FUND 2013, L.P. · CIK 0001569625 · 10% owner

Sequoia Capital U.S. Scout IV, L.L.C · CIK 0001781439 · 10% owner

Nalrena, LLC · CIK 0002064595 · 10% owner

Spelunker Channel Holdings, LLC · CIK 0002064798 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Spelunker Channel Holdings, LLC

Disclosed balance after: 19,349

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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 19, 2026 Filed Aug 21, 2026 20:17 UTC ConversionClass B Common Stock · Derivative 15,472 $0.00 $0.00
Disclosure

SEC source: 0001607841-26-000026 · 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 · Nalrena, L.L.C.

Disclosed balance after: 47,898

Underlying: Class A Common Stock · 15,472 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

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August 19, 2026 Filed Aug 21, 2026 20:17 UTC ConversionClass B Common Stock · Derivative 19,349 $0.00 $0.00
Disclosure

SEC source: 0001607841-26-000026 · 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 · Spelunker Channel Holdings, LLC

Disclosed balance after: 59,897

Underlying: Class A Common Stock · 19,349 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 19, 2026 Filed Aug 21, 2026 20:17 UTC SaleClass A Common Stock 15,472 $32.82 $507,814.25
Disclosure

SEC source: 0001607841-26-000026 · 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 · Nalrena, L.L.C.

Disclosed balance after: 0

F4 · kind: The 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 19, 2026 Filed Aug 21, 2026 20:17 UTC SaleClass A Common Stock 19,349 $32.82 $635,063.20
Disclosure

SEC source: 0001607841-26-000026 · 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 · Spelunker Channel Holdings, LLC

Disclosed balance after: 0

F4 · kind: The 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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 19, 2026 Filed Aug 21, 2026 20:17 UTC ConversionClass A Common Stock 15,472 $0.00 $0.00
Disclosure

SEC source: 0001607841-26-000026 · 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 · Nalrena, L.L.C.

Disclosed balance after: 15,472

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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 19, 2026 Filed Aug 21, 2026 20:17 UTC ConversionClass A Common Stock 19,349 $0.00 $0.00
Disclosure

SEC source: 0001607841-26-000026 · 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 · Spelunker Channel Holdings, LLC

Disclosed balance after: 19,349

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.

F2 · ownership.nature: SC 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 · ownership.nature: [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.

Read SEC document
August 19, 2026 Filed Aug 21, 2026 22:25 UTC
Colis Peter GeorgeDirector · CEO and Secretary
ConversionClass B Common Stock · Derivative 27,924 $0.00 $0.00
Disclosure

SEC source: 0002089362-26-000016 · form4-08212026_060805.xml · derivative · entry 10

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,182,605

Underlying: Class A Common Stock · 27,924 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 held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock. The Class B Common Stock has no expiration.

F1 · derivative.exercise_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock. The Class B Common Stock has no expiration.

F1 · derivative.expiration_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock. The Class B Common Stock has no expiration.

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August 19, 2026 Filed Aug 21, 2026 22:25 UTC
Colis Peter GeorgeDirector · CEO and Secretary
SaleClass A Common Stock 4,271 $33.61 $143,548.31
Disclosure

SEC source: 0002089362-26-000016 · form4-08212026_060805.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,565,960

F3 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 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.

F5 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.37 to $34.20 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.

F2 · balance_after: Includes shares issuable on settlement of restricted stock units.

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August 19, 2026 Filed Aug 21, 2026 22:25 UTC
Colis Peter GeorgeDirector · CEO and Secretary
SaleClass A Common Stock 23,653 $32.89 $777,947.17
Disclosure

SEC source: 0002089362-26-000016 · form4-08212026_060805.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,570,231

F3 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 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 $32.37 to $33.36 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.

F2 · balance_after: Includes shares issuable on settlement of restricted stock units.

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August 19, 2026 Filed Aug 21, 2026 22:25 UTC
Colis Peter GeorgeDirector · CEO and Secretary
ConversionClass A Common Stock 27,924 Not disclosed Not disclosed
Disclosure

SEC source: 0002089362-26-000016 · form4-08212026_060805.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,593,884

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 held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock. The Class B Common Stock has no expiration.

F2 · balance_after: Includes shares issuable on settlement of restricted stock units.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.