| 1 | Names of Reporting Persons
SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV, L.P. ("STP XV") |
| 2 | Check the appropriate box if a member of a Group (see instructions)
 (a)
(b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
121,541.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
121,541.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
121,541.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
|
| 11 | Percent of class represented by amount in row (9)
0.4 % |
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: Includes 121,541 shares of Class A Common Stock issuable upon the conversion of an equivalent number of shares of Class B Common Stock beneficially owned by the Reporting Person.
Based on a total of 30,790,388 shares of Class A Common Stock outstanding as of February 28, 2026, as reported in the Issuer's Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 17, 2026.
| 1 | Names of Reporting Persons
SEQUOIA CAPITAL U.S. GROWTH FUND VIII, L.P. ("SEQUOIA CAPITAL U.S. GROWTH FUND VIII") |
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
2,132,408.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
2,132,408.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
2,132,408.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
|
| 11 | Percent of class represented by amount in row (9)
6.5 % |
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: Includes 2,132,408 shares of Class A Common Stock issuable upon the conversion of an equivalent number of shares of Class B Common Stock beneficially owned by the Reporting Person.
Based on a total of 30,790,388 shares of Class A Common Stock outstanding as of February 28, 2026, as reported in the Issuer's Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 17, 2026.
| 1 | Names of Reporting Persons
SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XV (Q), L.P. ("STPQ XV") |
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
337,996.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
337,996.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
337,996.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
|
| 11 | Percent of class represented by amount in row (9)
1.1 % |
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: Includes 337,996 shares of Class A Common Stock issuable upon the conversion of an equivalent number of shares of Class B Common Stock beneficially owned by the Reporting Person.
Based on a total of 30,790,388 shares of Class A Common Stock outstanding as of February 28, 2026, as reported in the Issuer's Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 17, 2026.
| 1 | Names of Reporting Persons
SEQUOIA CAPITAL U.S. VENTURE FUND XV, L.P. ("SC XV") |
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
8,027,281.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
8,027,281.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
8,027,281.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
|
| 11 | Percent of class represented by amount in row (9)
20.7 % |
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: Includes 8,027,281 shares of Class A Common Stock issuable upon the conversion of an equivalent number of shares of Class B Common Stock beneficially owned by the Reporting Person.
Based on a total of 30,790,388 shares of Class A Common Stock outstanding as of February 28, 2026, as reported in the Issuer's Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 17, 2026.
| 1 | Names of Reporting Persons
SPELUNKER CHANNEL HOLDINGS, LLC ("SPELUNKER") |
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
DELAWARE
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
79,246.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
79,246.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
79,246.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
|
| 11 | Percent of class represented by amount in row (9)
0.3 % |
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: Includes 79,246 shares of Class A Common Stock issuable upon the conversion of an equivalent number of shares of Class B Common Stock beneficially owned by the Reporting Person.
Based on a total of 30,790,388 shares of Class A Common Stock outstanding as of February 28, 2026, as reported in the Issuer's Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 17, 2026.
| 1 | Names of Reporting Persons
NALRENA, LLC ("NALRENA") |
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
DELAWARE
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
63,370.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
63,370.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
63,370.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
|
| 11 | Percent of class represented by amount in row (9)
0.2 % |
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: Includes 63,370 shares of Class A Common Stock issuable upon the conversion of an equivalent number of shares of Class B Common Stock beneficially owned by the Reporting Person.
Based on a total of 30,790,388 shares of Class A Common Stock outstanding as of February 28, 2026, as reported in the Issuer's Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 17, 2026.
| 1 | Names of Reporting Persons
SEQUOIA CAPITAL U.S. VENTURE XV PRINCIPALS FUND, L.P. ("SC XV PF") |
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
1,238,282.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
1,238,282.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
1,238,282.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
|
| 11 | Percent of class represented by amount in row (9)
3.9 % |
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: Includes 1,238,282 shares of Class A Common Stock issuable upon the conversion of an equivalent number of shares of Class B Common Stock beneficially owned by the Reporting Person.
Based on a total of 30,790,388 shares of Class A Common Stock outstanding as of February 28, 2026, as reported in the Issuer's Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 17, 2026.
| 1 | Names of Reporting Persons
SC U.S. VENTURE XV MANAGEMENT, L.P. ("SC U.S. VENTURE XV MANAGEMENT") |
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
9,725,100.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
9,725,100.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
9,725,100.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
|
| 11 | Percent of class represented by amount in row (9)
24.0 % |
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: Includes 9,725,100 shares of Class A Common Stock issuable upon the conversion of an equivalent number of shares of Class B Common Stock beneficially owned by the Reporting Person, of which 121,541 shares are directly owned by STP XV, 1,238,282 shares are directly owned by SC XV PF, 337,996 shares are directly owned by STPQ XV, and 8,027,281 shares are directly owned by SC XV. SC U.S. VENTURE XV MANAGEMENT is the general partner of STP XV, SC XV PF, STPQ XV, and SC XV.
Based on a total of 30,790,388 shares of Class A Common Stock outstanding as of February 28, 2026, as reported in the Issuer's Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 17, 2026.
| 1 | Names of Reporting Persons
SC U.S. GROWTH VIII MANAGEMENT, L.P. ("SC U.S. GROWTH VIII MANAGEMENT") |
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
2,132,408.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
2,132,408.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
2,132,408.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
|
| 11 | Percent of class represented by amount in row (9)
6.5 % |
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: Includes 2,132,408 shares of Class A Common Stock issuable upon the conversion of an equivalent number of shares of Class B Common Stock beneficially owned by the Reporting Person, of which 2,132,408 shares are directly owned by SEQUOIA CAPITAL U.S. GROWTH FUND VIII. SC U.S. GROWTH VIII MANAGEMENT is the general partner of SEQUOIA CAPITAL U.S. GROWTH FUND VIII.
Based on a total of 30,790,388 shares of Class A Common Stock outstanding as of February 28, 2026, as reported in the Issuer's Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 17, 2026.
| 1 | Names of Reporting Persons
SC US (TTGP), LTD. ("SC US (TTGP)") |
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
CAYMAN ISLANDS
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
11,857,508.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
11,857,508.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
11,857,508.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
|
| 11 | Percent of class represented by amount in row (9)
27.8 % |
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: Includes 11,857,508 shares of Class A Common Stock issuable upon the conversion of an equivalent number of shares of Class B Common Stock beneficially owned by the Reporting Person, of which 121,541 shares are directly owned by STP XV, 1,238,282 shares are directly owned by SC XV PF, 337,996 shares are directly owned by STPQ XV, 8,027,281 shares are directly owned by SC XV, and 2,132,408 shares are directly owned by SEQUOIA CAPITAL U.S. GROWTH FUND VIII. The general partner of STP XV, SC XV PF, STPQ XV, and SC XV is SC U.S. VENTURE XV MANAGEMENT. The general partner of SEQUOIA CAPITAL U.S. GROWTH FUND VIII is SC U.S. GROWTH VIII MANAGEMENT. The general partner of SC U.S. VENTURE XV MANAGEMENT and SC U.S. GROWTH VIII MANAGEMENT is SC US (TTGP).
Based on a total of 30,790,388 shares of Class A Common Stock outstanding as of February 28, 2026, as reported in the Issuer's Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 17, 2026.
| 1 | Names of Reporting Persons
SEQUOIA CAPITAL U.S. SCOUT FUND IV, L.L.C. ("SCOUT FUND IV") |
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
DELAWARE
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
142,616.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
142,616.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
142,616.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
|
| 11 | Percent of class represented by amount in row (9)
0.5 % |
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: Includes 142,616 shares of Class A Common Stock issuable upon the conversion of an equivalent number of shares of Class B Common Stock beneficially owned by the Reporting Person, of which 79,246 shares are directly owned by SPELUNKER and 63,370 shares are directly owned by NALRENA. SPELUNKER and NALRENA are wholly owned by SCOUT FUND IV.
Based on a total of 30,790,388 shares of Class A Common Stock outstanding as of February 28, 2026, as reported in the Issuer's Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 17, 2026.
| 1 | Names of Reporting Persons
SEQUOIA CAPITAL U.S. SCOUT SEED FUND 2013, L.P. ("SC US SSF 2013") |
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
DELAWARE
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
142,616.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
142,616.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
142,616.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
|
| 11 | Percent of class represented by amount in row (9)
0.5 % |
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: Includes 142,616 shares of Class A Common Stock issuable upon the conversion of an equivalent number of shares of Class B Common Stock beneficially owned by the Reporting Person, of which 79,246 shares are directly owned by SPELUNKER and 63,370 shares are directly owned by NALRENA. SPELUNKER and NALRENA are wholly owned by SCOUT FUND IV. SCOUT FUND IV is wholly owned by SC US SSF 2013.
Based on a total of 30,790,388 shares of Class A Common Stock outstanding as of February 28, 2026, as reported in the Issuer's Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 17, 2026.
| 1 | Names of Reporting Persons
SC U.S. SCOUT SEED FUND 2013 MANAGEMENT, L.P. ("SC SSF 2013 MGMT") |
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
DELAWARE
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
142,616.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
142,616.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
142,616.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
|
| 11 | Percent of class represented by amount in row (9)
0.5 % |
| 12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person: Includes 142,616 shares of Class A Common Stock issuable upon the conversion of an equivalent number of shares of Class B Common Stock beneficially owned by the Reporting Person, of which 79,246 shares are directly owned by SPELUNKER and 63,370 shares are directly owned by NALRENA. SPELUNKER and NALRENA are wholly owned by SCOUT FUND IV. SCOUT FUND IV is wholly owned by SC US SSF 2013. The General Partner of SC US SSF 2013 is SC SSF 2013 MGMT.
Based on a total of 30,790,388 shares of Class A Common Stock outstanding as of February 28, 2026, as reported in the Issuer's Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 17, 2026.
| 1 | Names of Reporting Persons
SC US SSF 2013 (TTGP), L.L.C. ("SC US SSF 2013 TTGP") |
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
|
| 3 | Sec Use Only |
| 4 | Citizenship or Place of Organization
DELAWARE
|
| Number of Shares Beneficially Owned by Each Reporting Person With: | | 5 | Sole Voting Power
0.00 | | 6 | Shared Voting Power
142,616.00 | | 7 | Sole Dispositive Power
0.00 | | 8 | Shared Dispositive Power
142,616.00 |
|
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
142,616.00 |
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
|
| 11 | Percent of class represented by amount in row (9)
0.5 % |
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: Includes 142,616 shares of Class A Common Stock issuable upon the conversion of an equivalent number of shares of Class B Common Stock beneficially owned by the Reporting Person, of which 79,246 shares are directly owned by SPELUNKER and 63,370 shares are directly owned by NALRENA. SPELUNKER and NALRENA are wholly owned by SCOUT FUND IV. SCOUT FUND IV is wholly owned by SC US SSF 2013. The General Partner of SC US SSF 2013 is SC SSF 2013 MGMT. SC US SSF 2013 TTGP is the General Partner of SC SSF 2013 MGMT.
Based on a total of 30,790,388 shares of Class A Common Stock outstanding as of February 28, 2026, as reported in the Issuer's Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 17, 2026.
Rule 13d-1(d)