TOST

SEC source: 0001650164-23-000357 · wk-form4_1699042932.xml · derivative · entry 3

Gomez Elena · CIK 0001674159 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,211

Underlying: Class A Common Stock · 3,912 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: Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

F3 · derivative.exercise_date: The RSUs shall vest in sixteen equal quarterly installments following February 1, 2022.

F3 · derivative.expiration_date: The RSUs shall vest in sixteen equal quarterly installments following February 1, 2022.

SEC source: 0001650164-23-000357 · wk-form4_1699042932.xml · nonDerivative · entry 1

Gomez Elena · CIK 0001674159 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 154,011

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: Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

SEC source: 0001650164-23-000359 · wk-form4_1699043054.xml · derivative · entry 3

Comparato Christopher P · CIK 0001868272 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,421

Underlying: Class A Common Stock · 7,824 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: Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

F3 · derivative.exercise_date: The RSUs shall vest in sixteen equal quarterly installments following February 1, 2022.

F3 · derivative.expiration_date: The RSUs shall vest in sixteen equal quarterly installments following February 1, 2022.

SEC source: 0001650164-23-000359 · wk-form4_1699043054.xml · nonDerivative · entry 1

Comparato Christopher P · CIK 0001868272 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 166,853

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: Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

SEC source: 0001650164-23-000355 · wk-form4_1699042776.xml · derivative · entry 5

Matlock James Michael · CIK 0001887681 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,803

Underlying: Class A Common Stock · 978 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: Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

F4 · derivative.exercise_date: The RSUs shall vest in sixteen equal quarterly installments following February 1, 2022.

F4 · derivative.expiration_date: The RSUs shall vest in sixteen equal quarterly installments following February 1, 2022.

SEC source: 0001650164-23-000355 · wk-form4_1699042776.xml · derivative · entry 4

Matlock James Michael · CIK 0001887681 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,000

Underlying: Class A Common Stock · 15,625 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: Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

F3 · derivative.exercise_date: The RSUs shall vest as follows: 25% shall vest on November 1, 2022, with the remainder vesting in equal quarterly installments of 6.25% over the following three years.

F3 · derivative.expiration_date: The RSUs shall vest as follows: 25% shall vest on November 1, 2022, with the remainder vesting in equal quarterly installments of 6.25% over the following three years.

SEC source: 0001650164-23-000355 · wk-form4_1699042776.xml · nonDerivative · entry 2

Matlock James Michael · CIK 0001887681 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,576

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: Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

SEC source: 0001650164-23-000355 · wk-form4_1699042776.xml · nonDerivative · entry 1

Matlock James Michael · CIK 0001887681 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,598

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: Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

SEC source: 0001650164-23-000345 · wk-form4_1697573741.xml · nonDerivative · entry 1

Comparato Christopher P · CIK 0001868272 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 159,029

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 24, 2023.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.24 to $18.00, 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 this price range set forth in this footnote.

SEC source: 0001650164-23-000344 · wk-form4_1697573698.xml · nonDerivative · entry 1

Matlock James Michael · CIK 0001887681 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,973

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 24, 2023.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.42 to $17.95, 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 this price range set forth in this footnote.

SEC source: 0001650164-23-000335 · wk-form4_1696537017.xml · nonDerivative · entry 1

Narang Aman · CIK 0001869139 · Director · COO & Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,148,964

F1 · kind: Represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs, and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001650164-23-000338 · wk-form4_1696537188.xml · nonDerivative · entry 1

Elworthy Brian R · CIK 0001869299 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 378,617

F1 · kind: Represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs, and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001650164-23-000340 · wk-form4_1696537293.xml · nonDerivative · entry 1

Fredette Stephen · CIK 0001869038 · Director · Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,821,144

F1 · kind: Represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs, and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001650164-23-000337 · wk-form4_1696537129.xml · nonDerivative · entry 1

Gomez Elena · CIK 0001674159 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,099

F1 · kind: Represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs, and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001650164-23-000339 · wk-form4_1696537240.xml · nonDerivative · entry 1

Comparato Christopher P · CIK 0001868272 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 217,029

F1 · kind: Represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs, and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001650164-23-000336 · wk-form4_1696537085.xml · nonDerivative · entry 1

Matlock James Michael · CIK 0001887681 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,062

F1 · kind: Represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs, and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001650164-23-000323 · wk-form4_1696364867.xml · derivative · entry 5

Narang Aman · CIK 0001869139 · Director · COO & Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,627

Underlying: Class A Common Stock · 6,331 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 Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

F3 · derivative.exercise_date: The RSUs shall vest in sixteen equal quarterly installments following April 1, 2023.

F3 · derivative.expiration_date: The RSUs shall vest in sixteen equal quarterly installments following April 1, 2023.

SEC source: 0001650164-23-000323 · wk-form4_1696364867.xml · derivative · entry 4

Narang Aman · CIK 0001869139 · Director · COO & Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,375

Underlying: Class A Common Stock · 1,565 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 Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

F2 · derivative.exercise_date: The RSUs shall vest as follows: 25% on April 1, 2022, with the remainder vesting in equal quarterly installments over the following three years.

F2 · derivative.expiration_date: The RSUs shall vest as follows: 25% on April 1, 2022, with the remainder vesting in equal quarterly installments over the following three years.

SEC source: 0001650164-23-000323 · wk-form4_1696364867.xml · nonDerivative · entry 2

Narang Aman · CIK 0001869139 · Director · COO & Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,151,445

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: The Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

SEC source: 0001650164-23-000323 · wk-form4_1696364867.xml · nonDerivative · entry 1

Narang Aman · CIK 0001869139 · Director · COO & Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,145,114

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: The Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

SEC source: 0001650164-23-000325 · wk-form4_1696365052.xml · derivative · entry 5

Elworthy Brian R · CIK 0001869299 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,745

Underlying: Class A Common Stock · 3,482 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 Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

F3 · derivative.exercise_date: The RSUs shall vest in sixteen equal quarterly installments following April 1, 2023.

F3 · derivative.expiration_date: The RSUs shall vest in sixteen equal quarterly installments following April 1, 2023.

SEC source: 0001650164-23-000325 · wk-form4_1696365052.xml · derivative · entry 4

Elworthy Brian R · CIK 0001869299 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,750

Underlying: Class A Common Stock · 1,250 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 Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

F2 · derivative.exercise_date: The RSUs shall vest as follows: 25% on July 1, 2022, with remainder vesting in equal quarterly installments over the following three years.

F2 · derivative.expiration_date: The RSUs shall vest as follows: 25% on July 1, 2022, with remainder vesting in equal quarterly installments over the following three years.

SEC source: 0001650164-23-000325 · wk-form4_1696365052.xml · nonDerivative · entry 2

Elworthy Brian R · CIK 0001869299 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 380,103

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: The Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

SEC source: 0001650164-23-000325 · wk-form4_1696365052.xml · nonDerivative · entry 1

Elworthy Brian R · CIK 0001869299 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 376,621

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: The Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

SEC source: 0001650164-23-000326 · wk-form4_1696365228.xml · derivative · entry 7

Fredette Stephen · CIK 0001869038 · Director · Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,765

Underlying: Class A Common Stock · 5,697 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 Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

F3 · derivative.exercise_date: The RSUs shall vest in sixteen equal quarterly installments following April 1, 2023.

F3 · derivative.expiration_date: The RSUs shall vest in sixteen equal quarterly installments following April 1, 2023.

SEC source: 0001650164-23-000326 · wk-form4_1696365228.xml · derivative · entry 6

Fredette Stephen · CIK 0001869038 · Director · Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,375

Underlying: Class A Common Stock · 1,565 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 Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

F2 · derivative.exercise_date: The RSUs shall vest as follows: 25% on April 1, 2022, with the remainder vesting in equal quarterly installments over the following three years.

F2 · derivative.expiration_date: The RSUs shall vest as follows: 25% on April 1, 2022, with the remainder vesting in equal quarterly installments over the following three years.

SEC source: 0001650164-23-000326 · wk-form4_1696365228.xml · nonDerivative · entry 2

Fredette Stephen · CIK 0001869038 · Director · Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,823,426

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: The Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

SEC source: 0001650164-23-000326 · wk-form4_1696365228.xml · nonDerivative · entry 1

Fredette Stephen · CIK 0001869038 · Director · Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,817,729

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: The Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

SEC source: 0001650164-23-000327 · wk-form4_1696365278.xml · derivative · entry 4

Gomez Elena · CIK 0001674159 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,627

Underlying: Class A Common Stock · 6,331 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 Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

F3 · derivative.exercise_date: The RSUs shall vest in sixteen equal quarterly installments following April 1, 2023.

F3 · derivative.expiration_date: The RSUs shall vest in sixteen equal quarterly installments following April 1, 2023.

SEC source: 0001650164-23-000327 · wk-form4_1696365278.xml · derivative · entry 3

Gomez Elena · CIK 0001674159 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 140,625

Underlying: Class A Common Stock · 23,440 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 Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

F2 · derivative.exercise_date: The RSUs shall vest as follows: 25% on April 1, 2022, with the remainder vesting in equal quarterly installments over the following three years.

F2 · derivative.expiration_date: The RSUs shall vest as follows: 25% on April 1, 2022, with the remainder vesting in equal quarterly installments over the following three years.

SEC source: 0001650164-23-000327 · wk-form4_1696365278.xml · nonDerivative · entry 2

Gomez Elena · CIK 0001674159 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 165,886

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: The Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

SEC source: 0001650164-23-000327 · wk-form4_1696365278.xml · nonDerivative · entry 1

Gomez Elena · CIK 0001674159 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 159,555

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: The Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

SEC source: 0001650164-23-000328 · wk-form4_1696365339.xml · derivative · entry 2

Matlock James Michael · CIK 0001887681 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,314

Underlying: Class A Common Stock · 3,165 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 Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

F2 · derivative.exercise_date: The RSUs shall vest in sixteen equal quarterly installments following April 1, 2023.

F2 · derivative.expiration_date: The RSUs shall vest in sixteen equal quarterly installments following April 1, 2023.

SEC source: 0001650164-23-000328 · wk-form4_1696365339.xml · nonDerivative · entry 1

Matlock James Michael · CIK 0001887681 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,741

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: The Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

SEC source: 0001650164-23-000324 · wk-form4_1696364989.xml · derivative · entry 4

Comparato Christopher P · CIK 0001868272 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 159,530

Underlying: Class A Common Stock · 11,395 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 Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

F3 · derivative.exercise_date: The RSUs shall vest in sixteen equal quarterly installments following April 1, 2023.

F3 · derivative.expiration_date: The RSUs shall vest in sixteen equal quarterly installments following April 1, 2023.

SEC source: 0001650164-23-000324 · wk-form4_1696364989.xml · derivative · entry 3

Comparato Christopher P · CIK 0001868272 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,750

Underlying: Class A Common Stock · 3,125 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 Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

F2 · derivative.exercise_date: The RSUs shall vest as follows: 25% on April 1, 2022, with the remainder vesting in equal quarterly installments over the following three years.

F2 · derivative.expiration_date: The RSUs shall vest as follows: 25% on April 1, 2022, with the remainder vesting in equal quarterly installments over the following three years.

SEC source: 0001650164-23-000324 · wk-form4_1696364989.xml · nonDerivative · entry 2

Comparato Christopher P · CIK 0001868272 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 223,902

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: The Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

SEC source: 0001650164-23-000324 · wk-form4_1696364989.xml · nonDerivative · entry 1

Comparato Christopher P · CIK 0001868272 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 212,507

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: The Restricted Stock Units ("RSUs") convert into Class A Common Stock on a one-for-one basis upon vesting and settlement.

SEC source: 0001650164-23-000313 · wk-form4_1695154166.xml · nonDerivative · entry 1

Narang Aman · CIK 0001869139 · Director · COO & Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,143,549

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 24, 2023.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.92 to $20.73, 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 this price range set forth in this footnote.

SEC source: 0000899243-23-019269 · doc4.xml · derivative · entry 4

Bennett Richard Kent · CIK 0001860725 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Class A Common Stock · 0 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 outstanding share of Class B Common Stock is convertible into one share of Class A Common Stock at any time at the option of the holder or automatically upon the occurrence of other events set forth in the Issuer's certificate of incorporation.

F2 · shares: Represents 2,492,095 shares converted from Class B Common Stock to Class A Common Stock by Bessemer Venture Partners IX, L.P. ("Bessemer IX") and 1,978,254 shares converted from Class B Common Stock to Class A Common Stock by Bessemer Venture Partners IX Institutional, L.P. ("Bessemer Institutional", and together with Bessemer IX, the "Bessemer IX Funds").

F1 · price: Each outstanding share of Class B Common Stock is convertible into one share of Class A Common Stock at any time at the option of the holder or automatically upon the occurrence of other events set forth in the Issuer's certificate of incorporation.

F1 · derivative.exercise_date: Each outstanding share of Class B Common Stock is convertible into one share of Class A Common Stock at any time at the option of the holder or automatically upon the occurrence of other events set forth in the Issuer's certificate of incorporation.

F1 · derivative.expiration_date: Each outstanding share of Class B Common Stock is convertible into one share of Class A Common Stock at any time at the option of the holder or automatically upon the occurrence of other events set forth in the Issuer's certificate of incorporation.

F2 · derivative.underlying_shares: Represents 2,492,095 shares converted from Class B Common Stock to Class A Common Stock by Bessemer Venture Partners IX, L.P. ("Bessemer IX") and 1,978,254 shares converted from Class B Common Stock to Class A Common Stock by Bessemer Venture Partners IX Institutional, L.P. ("Bessemer Institutional", and together with Bessemer IX, the "Bessemer IX Funds").

F4 · balance_after: The Reporting Person is a partner at Bessemer Venture Partners and has an indirect, passive economic interest in the shares held by the Bessemer IX Funds and Bessemer Venture Partners Century Fund L.P. ("Bessemer Century") and Bessemer Venture Partners Century Fund Institutional L.P. ("Bessemer Century Institutional", and together with Bessemer Century, the "Bessemer Century Funds") by virtue of his interest in (1) Deer IX & Co. L.P., the general partner of the Bessemer IX Funds, and (2) Deer X & Co. L.P., the general partner of the Bessemer Century Funds and (3) certain other indirect limited partnership interests in certain of the Bessemer Funds.

F5 · balance_after: (Continued from footnote 4) The Reporting Person disclaims beneficial ownership of the securities held by the Bessemer IX Funds and the Bessemer Century Funds, except to the extent of his pecuniary interest, if any, in such securities by virtue of his indirect interest in the Bessemer IX Funds and Bessemer Century Funds. This report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities.

F9 · balance_after: As of the date hereof, Bessemer IX, Bessemer Institutional, Bessemer Century and Bessemer Century Institutional own 9,929,644 shares of Class B Common Stock, 7,988,262 shares of Class B Common Stock, 391,306 shares of Class B Common Stock, and 2,469,121 shares of Class B Common Stock, respectively.

F4 · ownership.nature: The Reporting Person is a partner at Bessemer Venture Partners and has an indirect, passive economic interest in the shares held by the Bessemer IX Funds and Bessemer Venture Partners Century Fund L.P. ("Bessemer Century") and Bessemer Venture Partners Century Fund Institutional L.P. ("Bessemer Century Institutional", and together with Bessemer Century, the "Bessemer Century Funds") by virtue of his interest in (1) Deer IX & Co. L.P., the general partner of the Bessemer IX Funds, and (2) Deer X & Co. L.P., the general partner of the Bessemer Century Funds and (3) certain other indirect limited partnership interests in certain of the Bessemer Funds.

F5 · ownership.nature: (Continued from footnote 4) The Reporting Person disclaims beneficial ownership of the securities held by the Bessemer IX Funds and the Bessemer Century Funds, except to the extent of his pecuniary interest, if any, in such securities by virtue of his indirect interest in the Bessemer IX Funds and Bessemer Century Funds. This report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities.

F9 · ownership.nature: As of the date hereof, Bessemer IX, Bessemer Institutional, Bessemer Century and Bessemer Century Institutional own 9,929,644 shares of Class B Common Stock, 7,988,262 shares of Class B Common Stock, 391,306 shares of Class B Common Stock, and 2,469,121 shares of Class B Common Stock, respectively.

SEC source: 0000899243-23-019269 · doc4.xml · nonDerivative · entry 2

Bennett Richard Kent · CIK 0001860725 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F3 · shares: On September 15, 2023 the Bessemer IX Funds distributed, for no consideration 4,470,349 shares (collectively, the "Shares"), of Class A Common Stock to their limited partners and to Deer IX L.P. ("Deer IX") representing each such partner's pro rata interest in such Shares. On the same date, one or more of such limited partner(s) distributed, for no consideration, the Shares to certain of its or their members in an amount equal to each such member's or members' respective pro rata interests in the Shares. Finally, on the same date, the Deer IX distributed, for no consideration, the Shares it received from the distributions to its partners in an amount equal to each such partner's pro rata interest in the Shares. All of the aforementioned distributions were made in accordance with the exemption afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F3 · price: On September 15, 2023 the Bessemer IX Funds distributed, for no consideration 4,470,349 shares (collectively, the "Shares"), of Class A Common Stock to their limited partners and to Deer IX L.P. ("Deer IX") representing each such partner's pro rata interest in such Shares. On the same date, one or more of such limited partner(s) distributed, for no consideration, the Shares to certain of its or their members in an amount equal to each such member's or members' respective pro rata interests in the Shares. Finally, on the same date, the Deer IX distributed, for no consideration, the Shares it received from the distributions to its partners in an amount equal to each such partner's pro rata interest in the Shares. All of the aforementioned distributions were made in accordance with the exemption afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: The Reporting Person is a partner at Bessemer Venture Partners and has an indirect, passive economic interest in the shares held by the Bessemer IX Funds and Bessemer Venture Partners Century Fund L.P. ("Bessemer Century") and Bessemer Venture Partners Century Fund Institutional L.P. ("Bessemer Century Institutional", and together with Bessemer Century, the "Bessemer Century Funds") by virtue of his interest in (1) Deer IX & Co. L.P., the general partner of the Bessemer IX Funds, and (2) Deer X & Co. L.P., the general partner of the Bessemer Century Funds and (3) certain other indirect limited partnership interests in certain of the Bessemer Funds.

F5 · ownership.nature: (Continued from footnote 4) The Reporting Person disclaims beneficial ownership of the securities held by the Bessemer IX Funds and the Bessemer Century Funds, except to the extent of his pecuniary interest, if any, in such securities by virtue of his indirect interest in the Bessemer IX Funds and Bessemer Century Funds. This report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities.

SEC source: 0000899243-23-019269 · doc4.xml · nonDerivative · entry 1

Bennett Richard Kent · CIK 0001860725 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

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.

F2 · shares: Represents 2,492,095 shares converted from Class B Common Stock to Class A Common Stock by Bessemer Venture Partners IX, L.P. ("Bessemer IX") and 1,978,254 shares converted from Class B Common Stock to Class A Common Stock by Bessemer Venture Partners IX Institutional, L.P. ("Bessemer Institutional", and together with Bessemer IX, the "Bessemer IX Funds").

F1 · price: Each outstanding share of Class B Common Stock is convertible into one share of Class A Common Stock at any time at the option of the holder or automatically upon the occurrence of other events set forth in the Issuer's certificate of incorporation.

F2 · balance_after: Represents 2,492,095 shares converted from Class B Common Stock to Class A Common Stock by Bessemer Venture Partners IX, L.P. ("Bessemer IX") and 1,978,254 shares converted from Class B Common Stock to Class A Common Stock by Bessemer Venture Partners IX Institutional, L.P. ("Bessemer Institutional", and together with Bessemer IX, the "Bessemer IX Funds").

F2 · ownership.nature: Represents 2,492,095 shares converted from Class B Common Stock to Class A Common Stock by Bessemer Venture Partners IX, L.P. ("Bessemer IX") and 1,978,254 shares converted from Class B Common Stock to Class A Common Stock by Bessemer Venture Partners IX Institutional, L.P. ("Bessemer Institutional", and together with Bessemer IX, the "Bessemer IX Funds").

F4 · ownership.nature: The Reporting Person is a partner at Bessemer Venture Partners and has an indirect, passive economic interest in the shares held by the Bessemer IX Funds and Bessemer Venture Partners Century Fund L.P. ("Bessemer Century") and Bessemer Venture Partners Century Fund Institutional L.P. ("Bessemer Century Institutional", and together with Bessemer Century, the "Bessemer Century Funds") by virtue of his interest in (1) Deer IX & Co. L.P., the general partner of the Bessemer IX Funds, and (2) Deer X & Co. L.P., the general partner of the Bessemer Century Funds and (3) certain other indirect limited partnership interests in certain of the Bessemer Funds.

F5 · ownership.nature: (Continued from footnote 4) The Reporting Person disclaims beneficial ownership of the securities held by the Bessemer IX Funds and the Bessemer Century Funds, except to the extent of his pecuniary interest, if any, in such securities by virtue of his indirect interest in the Bessemer IX Funds and Bessemer Century Funds. This report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities.

SEC source: 0001650164-23-000315 · wk-form4_1695154275.xml · nonDerivative · entry 1

Matlock James Michael · CIK 0001887681 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,576

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 24, 2023.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.005 to $20.54, 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 this price range set forth in this footnote.

F3 · balance_after: Includes 1,254 shares of Class A Common Stock acquired under the Issuer's 2021 Employee Stock Purchase Plan on September 1, 2023.

SEC source: 0001650164-23-000314 · wk-form4_1695154229.xml · nonDerivative · entry 1

Comparato Christopher P · CIK 0001868272 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 209,382

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 24, 2023.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.94 to $20.55, 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 this price range set forth in this footnote.

SEC source: 0001650164-23-000309 · wk-form4_1692217846.xml · nonDerivative · entry 1

Comparato Christopher P · CIK 0001868272 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 267,382

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 24, 2023.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.03 to $23.63, 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 this price range set forth in this footnote.

SEC source: 0001650164-23-000307 · wk-form4_1692217671.xml · nonDerivative · entry 1

Matlock James Michael · CIK 0001887681 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,236

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 24, 2023.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.06 to $23.64, 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 this price range set forth in this footnote.

SEC source: 0001650164-23-000296 · wk-form4_1691180765.xml · nonDerivative · entry 1

Matlock James Michael · CIK 0001887681 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,042

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 24, 2023.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.12 to $20.745, 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 this price range set forth in this footnote.

SEC source: 0001650164-23-000294 · wk-form4_1691094413.xml · nonDerivative · entry 3

Narang Aman · CIK 0001869139 · Director · COO & Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,392,058

F4 · kind: Represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs, and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001650164-23-000292 · wk-form4_1691094312.xml · nonDerivative · entry 2

Elworthy Brian R · CIK 0001869299 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 375,371

F2 · kind: Represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs, and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001650164-23-000291 · wk-form4_1691094264.xml · nonDerivative · entry 2

Fredette Stephen · CIK 0001869038 · Director · Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,816,164

F2 · kind: Represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs, and does not represent a discretionary trade by the Reporting Person.