1 | Names of Reporting Persons
Accel Growth Fund V L.P. |
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
1,055,195.00 | 6 | Shared Voting Power
0.00 | 7 | Sole Dispositive Power
1,055,195.00 | 8 | Shared Dispositive Power
0.00 |
|
9 | Aggregate Amount Beneficially Owned by Each Reporting
Person
1,055,195.00 |
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)
1.3 % |
12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person:
Note to Row 5: 1,055,195 shares issuable upon conversion of Series B Common Stock, all of which are directly owned by AGF5. Accel Growth Fund V Associates L.L.C. ("AGF5A"), the general partner of AGF5, may be deemed to have sole power to vote these shares. Ping Li ("PL"), a director of the issuer and a managing member of AGF5A, may be deemed to have shared power to vote these shares.
Note to Row 6: See response to row 5.
Note to Row 7: 1,055,195 shares issuable upon conversion of Series B Common Stock, all of which are directly owned by AGF5. AGF5A, the general partner of AGF5, may be deemed to have sole power to dispose of these shares. PL, a director of the issuer and a managing member of AGF5A, may be deemed to have shared power to dispose of these shares.
Note to Row 8: See response to row 7.
Note to Row 11: Based on 79,859,158 shares of Series A Common stock, calculated as follows, (i) 78,803,963 shares of Series A Common Stock outstanding as of October 31, 2024, as reported by the issuer in its Quarterly Report on Form 10-Q for the quarter ended September 30, 2024, filed with the Securities and Exchange Commission on November 6, 2024 (the "Form 10-Q"), plus (ii) 1,055,195 shares of Series A Common Stock issuable upon conversion of shares of Series B Common Stock held by AGF5.
1 | Names of Reporting Persons
Accel Growth Fund V Strategic Partners L.P. |
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
44,808.00 | 6 | Shared Voting Power
0.00 | 7 | Sole Dispositive Power
44,808.00 | 8 | Shared Dispositive Power
0.00 |
|
9 | Aggregate Amount Beneficially Owned by Each Reporting
Person
44,808.00 |
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)
0.1 % |
12 | Type of Reporting Person (See Instructions)
PN |
Comment for Type of Reporting Person:
Note to Row 5: 44,808 shares issuable upon conversion of Series B Common Stock, all of which are directly owned by AGF5SP. AGF5A, the general partner of AGF5SP, may be deemed to have sole power to vote these shares. PL, a director of the issuer and a managing member of AGF5A, may be deemed to have shared power to vote these shares.
Note to Row 6: See response to row 5.
Note to Row 7: 44,808 shares issuable upon conversion of Series B Common Stock, all of which are directly owned by AGF5SP. AGF5A, the general partner of AGF5SP, may be deemed to have sole power to dispose of these shares. PL, a director of the issuer and a managing member of AGF5A, may be deemed to have shared power to dispose of these shares.
Note to Row 8: See response to row 7.
Note to Row 11: Based on 78,848,771 shares of Series A Common stock, calculated as follows, (i) 78,803,963 shares of Series A Common Stock outstanding as of October 31, 2024, as reported by the issuer in the Form 10-Q, plus (ii) 44,808 shares of Series A Common Stock issuable upon conversion of shares of Series B Common Stock held by AGF5SP.
1 | Names of Reporting Persons
Accel Growth Fund V Associates L.L.C. |
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
1,100,003.00 | 6 | Shared Voting Power
0.00 | 7 | Sole Dispositive Power
1,100,003.00 | 8 | Shared Dispositive Power
0.00 |
|
9 | Aggregate Amount Beneficially Owned by Each Reporting
Person
1,100,003.00 |
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)
1.4 % |
12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person:
Note to Row 5: 1,100,003 shares issuable upon conversion of Series B Common Stock, of which 1,055,195 are directly owned by AGF5, and 44,808 are directly owned by AGF5SP. AGF5A, the general partner of AGF5 and AGF5SP, may be deemed to have sole power to vote these shares. PL, a director of the issuer and a managing member of AGF5A, may be deemed to have shared power to vote these shares.
Note to Row 6: See response to row 5.
Note to Row 7: 1,100,003 shares issuable upon conversion of Series B Common Stock, of which 1,055,195 are directly owned by AGF5, and 44,808 are directly owned by AGF5SP. AGF5A, the general partner of AGF5 and AGF5SP, may be deemed to have sole power to dispose of these shares. PL, a director of the issuer and a managing member of AGF5A, may be deemed to have shared power to dispose of these shares.
Note to Row 8: See response to row 7.
Note to Row 11: Based on 79,903,966 shares of Series A Common stock, calculated as follows, (i) 78,803,963 shares of Series A Common Stock outstanding as of October 31, 2024, as reported by the issuer in the Form 10-Q, plus (ii) 1,055,195 shares of Series A Common Stock issuable upon conversion of shares of Series B Common Stock held by AGF5, plus (iii) 44,808 shares of Series A Common Stock issuable upon conversion of shares of Series B Common Stock held by AGF5SP.
1 | Names of Reporting Persons
Accel Growth Fund V Investors (2019) L.L.C. |
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
54,855.00 | 6 | Shared Voting Power
0.00 | 7 | Sole Dispositive Power
54,855.00 | 8 | Shared Dispositive Power
0.00 |
|
9 | Aggregate Amount Beneficially Owned by Each Reporting
Person
54,855.00 |
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)
0.1 % |
12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person:
Note to Row 5: 54,855 shares issuable upon conversion of Series B Common Stock, all of which are directly owed by AGFI19. PL, a director of the issuer and a managing member of AGF19, may be deemed to have shared power to vote these shares.
Note to Row 6: See response to row 5.
Note to Row 7: 54,855 shares issuable upon conversion of Series B Common Stock, all of which are directly owed by AGFI19. PL, a director of the issuer and a managing member of AGF19, may be deemed to have shared power to dispose of these shares.
Note to Row 8: See response to row 7.
Note to Row 11: Based on 78,858,818 shares of Series A Common stock, calculated as follows, (i) 78,803,963 shares of Series A Common Stock outstanding as of October 31, 2024, as reported by the issuer in the Form 10-Q, plus (ii) 54,855 shares of Series A Common Stock issuable upon conversion of shares of Series B Common Stock held by AGFI19.
1 | Names of Reporting Persons
Accel Leaders Fund II L.P. |
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
3,163,506.00 | 6 | Shared Voting Power
0.00 | 7 | Sole Dispositive Power
3,163,506.00 | 8 | Shared Dispositive Power
0.00 |
|
9 | Aggregate Amount Beneficially Owned by Each Reporting
Person
3,163,506.00 |
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:
Note to Row 5: 3,163,506 shares issuable upon conversion of Series B Common Stock, all of which are directly owned by ALF2. Accel Leaders Fund II Associates L.L.C. ("ALF2A"), the general partner of ALF2, may be deemed to have sole power to vote these shares. PL, a director of the issuer and a managing member of ALF2A, may be deemed to have shared power to vote these shares.
Note to Row 6: See response to row 5.
Note to Row 7: 3,163,506 shares issuable upon conversion of Series B Common Stock, all of which are directly owned by ALF2. ALF2A, the general partner of ALF2, may be deemed to have shared power to dispose of these shares. PL, a director of the issuer and a managing member of ALF2A, may be deemed to have shared power to vote these shares.
Note to Row 8: See response to row 7.
Note to Row 11: Based on 81,967,469 shares of Series A Common stock, calculated as follows, (i) 78,803,963 shares of Series A Common Stock outstanding as of October 31, 2024, as reported by the issuer in the Form 10-Q, plus (ii) 3,163,506 shares of Series A Common Stock issuable upon conversion of shares of Series B Common Stock held by ALF2.
1 | Names of Reporting Persons
Accel Leaders Fund II Strategic Partners L.P. |
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
134,772.00 | 6 | Shared Voting Power
0.00 | 7 | Sole Dispositive Power
134,772.00 | 8 | Shared Dispositive Power
0.00 |
|
9 | Aggregate Amount Beneficially Owned by Each Reporting
Person
134,772.00 |
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)
PN |
Comment for Type of Reporting Person:
Note to Row 5: 134,772 shares issuable upon conversion of Series B Common Stock, all of which are directly owned by ALF2SP. ALF2A, the general partner of ALF2SP, may be deemed to have sole power to vote these shares. PL, a director of the issuer and a managing member of ALF2A, may be deemed to have shared power to vote these shares.
Note to Row 6: See response to row 5.
Note to Row 7: 134,772 shares issuable upon conversion of Series B Common Stock, all of which are directly owned by ALF2SP. ALF2A, the general partner of ALF2SP, may be deemed to have shared power to dispose of these shares. PL, a director of the issuer and a managing member of ALF2A, may be deemed to have shared power to dispose of these shares.
Note to Row 8: See response to row 7.
Note to Row 11: Based on 78,938,735 shares of Series A Common stock, calculated as follows, (i) 78,803,963 shares of Series A Common Stock outstanding as of October 31, 2024, as reported by the issuer in the Form 10-Q, plus (ii) 134,772 shares of Series A Common Stock issuable upon conversion of shares of Series B Common Stock held by ALF2SP.
1 | Names of Reporting Persons
Accel Leaders Fund II Associates L.L.C. |
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
3,298,278.00 | 6 | Shared Voting Power
0.00 | 7 | Sole Dispositive Power
3,298,278.00 | 8 | Shared Dispositive Power
0.00 |
|
9 | Aggregate Amount Beneficially Owned by Each Reporting
Person
3,298,278.00 |
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)
4.0 % |
12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person:
Note to Row 5: 3,298,278 shares issuable upon conversion of Series B Common Stock, of which 3,163,506 are directly owned by ALF2 and 134,772 are directly owned by ALF2SP. ALF2A, the general partner of ALF2 and ALF2SP, may be deemed to have sole power to vote these shares. PL, a director of the issuer and a managing member of ALF2A, may be deemed to have shared power to vote these shares.
Note to Row 6: See response to row 5.
Note to Row 7: 3,298,278 shares issuable upon conversion of Series B Common Stock, of which 3,163,506 are directly owned by ALF2 and 134,772 are directly owned by ALF2SP. ALF2A, the general partner of ALF2 and ALF2SP, may be deemed to have sole power to dispose of these shares. PL, a director of the issuer and a managing member of ALF2A, may be deemed to have shared power to dispose of these shares.
Note to Row 8: See response to row 7.
Note to Row 11: Based on 82,102,241 shares of Series A Common stock, calculated as follows, (i) 78,803,963 shares of Series A Common Stock outstanding as of October 31, 2024, as reported by the issuer in the Form 10-Q, plus (ii) 3,163,506 shares of Series A Common Stock issuable upon conversion of shares of Series B Common Stock held by ALF2, plus (iii) 134,772 shares of Series A Common Stock issuable upon conversion of shares of Series B Common Stock held by ALF2SP.
1 | Names of Reporting Persons
Accel Leaders Fund II Investors (2019) L.L.C. |
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
166,299.00 | 6 | Shared Voting Power
0.00 | 7 | Sole Dispositive Power
166,299.00 | 8 | Shared Dispositive Power
0.00 |
|
9 | Aggregate Amount Beneficially Owned by Each Reporting
Person
166,299.00 |
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:
Note to Row 5: 166,299 shares issuable upon conversion of Series B Common Stock, all of which are directly owed by ALFI19. PL, a director of the issuer and a managing member of ALFI19, may be deemed to have shared power to vote these shares.
Note to Row 6: See response to row 5.
Note to Row 7: 166,299 shares issuable upon conversion of Series B Common Stock, all of which are directly owed by ALFI19. PL, a director of the issuer and a managing member of ALFI19, may be deemed to have shared power to dispose of these shares.
Note to Row 8: See response to row 7.
Note to Row 11: Based on 78,970,262 shares of Series A Common stock, calculated as follows, (i) 78,803,963 shares of Series A Common Stock outstanding as of October 31, 2024, as reported by the issuer in the Form 10-Q, plus (ii) 166,299 shares of Series A Common Stock issuable upon conversion of shares of Series B Common Stock held by ALFI19.
1 | Names of Reporting Persons
Li Ping |
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
UNITED STATES |
Number of Shares Beneficially Owned by Each
Reporting Person With: | 5 | Sole Voting Power
38,928.00 | 6 | Shared Voting Power
4,619,435.00 | 7 | Sole Dispositive Power
38,928.00 | 8 | Shared Dispositive Power
4,619,435.00 |
|
9 | Aggregate Amount Beneficially Owned by Each Reporting
Person
4,619,435.00 |
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)
5.6 % |
12 | Type of Reporting Person (See Instructions)
IN |
Comment for Type of Reporting Person:
Note to Row 6: 4,619,435 shares issuable upon conversion of Series B Common Stock, of which 1,055,195 are directly owned by AGF5, 44,808 are directly owned by AGF5SP, 54,855 are directly owned by AGFI19, 3,163,506 are directly owned by ALF2, 134,772 are directly owned by ALF2SP, and 166,299 are directly owned by ALFI19. AGF5A, the general partner of AGF5 and AGF5SP, may be deemed to have sole power to vote these shares. ALF2A, the general partner of ALF2 and ALF2SP, may be deemed to have sole power to vote these shares. PL, a director of the issuer and a managing member of AGF5A, AGFI19, ALF2A and ALFI19, may be deemed to have shared power to vote these shares.
Note to Row 8: 4,619,435 shares issuable upon conversion of Series B Common Stock, of which 1,055,195 are directly owned by AGF5, 44,808 are directly owned by AGF5SP, 54,855 are directly owned by AGFI19, 3,163,506 are directly owned by ALF2, 134,772 are directly owned by ALF2SP, and 166,299 are directly owned by ALFI19. AGF5A, the general partner of AGF5 and AGF5SP, may be deemed to have sole power to dispose of these shares. ALF2A, the general partner of ALF2 and ALF2SP, may be deemed to have sole power to dispose of these shares. PL, a director of the issuer and a managing member of AGF5A, AGFI19, ALF2A and ALFI19, may be deemed to have shared power to dispose of these shares.
Note to Row 11: Based on 83,423,398 shares of Series A Common stock, calculated as follows, (i) 78,803,963 shares of Series A Common Stock outstanding as of October 31, 2024, as reported by the issuer in the Form 10-Q, plus (ii) 1,055,195 shares of Series A Common Stock issuable upon conversion of shares of Series B Common Stock held by AGF5, plus (iii) 44,808 shares of Series A Common Stock issuable upon conversion of shares of Series B Common Stock held by AGF5SP, plus (iv) 54,855 shares of Series A Common Stock issuable upon conversion of shares of Series B Common Stock held by AGFI19, plus (v) 3,163,506 shares of Series A Common Stock issuable upon conversion of shares of Series B Common Stock held by ALF2, plus (vi) 134,772 shares of Series A Common Stock issuable upon conversion of shares of Series B Common Stock held by ALF2SP, plus (vii) 166,299 shares of Series A Common Stock issuable upon conversion of shares of Series B Common Stock held by ALFI19.