EXHIBIT 99.1
| CUSIP No. 85208T107 | SCHEDULE 13G | |||
JOINT FILING AGREEMENT
Each of the undersigned, pursuant to Rule 13d-1(k)(1) under the Act, hereby agrees and acknowledges that only one statement containing the information required by Schedule 13G need be filed with respect to the ownership by each of the undersigned of the Class A Common Stock and the information required by this Schedule 13G, to which this Agreement is attached as an exhibit, is filed on behalf of them. The undersigned further agree that any further amendments or supplements thereto shall also be filed on behalf of each of them.
Dated: February 14, 2022
| ICONIQ Strategic Partners, L.P., a Cayman | ||
| Islands exempted limited partnership | ||
| By: | ICONIQ Strategic Partners GP, L.P., a | |
| Cayman Islands Exempted limited partner, | ||
| its General Partner | ||
| By: | ICONIQ Strategic Partners TT GP, Ltd, a | |
| Cayman Islands exempted company, | ||
| its General Partner | ||
| By: | Kevin Foster | |
| Title: | Authorized Person | |
| /s/ Kevin Foster | ||
| Signature of Reporting Person | ||
| ICONIQ Strategic Partners-B, L.P., a Cayman | ||
| Islands exempted limited partnership | ||
| By: | ICONIQ Strategic Partners GP, L.P., a | |
| Cayman Islands exempted limited | ||
| partnership, its General Partner | ||
| By: | ICONIQ Strategic Partners TT GP, Ltd., a | |
| Cayman Islands exempted company, its | ||
| General Partner | ||
| By: | Kevin Foster | |
| Title: | Authorized Person | |
| /s/ Kevin Foster | ||
| Signature of Reporting Person | ||
| CUSIP No. 85208T107 | SCHEDULE 13G | |||
| ICONIQ Strategic Partners II, L.P., a Cayman | ||
| Islands exempted limited partnership | ||
| By: | ICONIQ Strategic Partners II GP, L.P., a | |
| Cayman Islands exempted limited | ||
| partnership, its General Partner | ||
| By: | ICONIQ Strategic Partners II TT GP, Ltd., a | |
| Cayman Islands exempted company, its | ||
| General Partner | ||
| By: | Kevin Foster | |
| Title: | Authorized Person | |
| /s/ Kevin Foster | ||
| Signature of Reporting Person | ||
| ICONIQ Strategic Partners II-B, L.P., a | ||
| Cayman Islands exempted limited partnership | ||
| By: | ICONIQ Strategic Partners II GP, L.P., a | |
| Cayman Islands exempted limited | ||
| partnership, its General Partner | ||
| By: | ICONIQ Strategic Partners II TT GP, Ltd., | |
| a Cayman Islands exempted company, its | ||
| General Partner | ||
| By: | Kevin Foster | |
| Title: | Authorized Person | |
| /s/ Kevin Foster | ||
| Signature of Reporting Person | ||
| ICONIQ Strategic Partners GP, L.P., a | ||
| Cayman Islands exempted limited partnership | ||
| By: | ICONIQ Strategic Partners TT GP, Ltd., a | |
| Cayman Islands exempted company, its | ||
| General Partner | ||
| By: | Kevin Foster | |
| Title: | Authorized Person | |
| /s/ Kevin Foster | ||
| Signature of Reporting Person | ||
| ICONIQ Strategic Partners TT GP, Ltd., a | ||
| Cayman Islands exempted company | ||
| By: | Kevin Foster | |
| Title: | Authorized Person | |
| /s/ Kevin Foster | ||
| Signature of Reporting Person | ||
| CUSIP No. 85208T107 | SCHEDULE 13G | |||
| ICONIQ Strategic Partners II GP, L.P., a | ||
| Cayman Islands exempted limited partnership | ||
| By: | ICONIQ Strategic Partners II TT GP, Ltd., | |
| a Cayman Islands exempted company, its | ||
| General Partner | ||
| By: | Kevin Foster | |
| Title: | Authorized Person | |
| /s/ Kevin Foster | ||
| Signature of Reporting Person | ||
| ICONIQ Strategic Partners II TT GP, Ltd., a | ||
| Cayman Islands exempted company | ||
| By: | Kevin Foster | |
| Title: | Authorized Person | |
| /s/ Kevin Foster | ||
| Signature of Reporting Person | ||
| Divesh Makan | ||
| /s/ Divesh Makan | ||
| Signature of Reporting Person | ||
| William J.G. Griffith | ||
| /s/ William J.G. Griffith | ||
| Signature of Reporting Person | ||