Christiansen Andrew

SEC source: 0001666071-23-000097 · wk-form4_1689883832.xml · nonDerivative · entry 2

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,775

F2 · shares: Shares sold to satisfy withholding tax obligations upon the delivery of shares of common stock for restricted stock units ("RSUs") that vested on July 18, 2023

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.92 to $10.60 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 receipt, full information regarding the number of shares sold at each separate price within the range set forth in this footnote

SEC source: 0001666071-23-000097 · wk-form4_1689883832.xml · derivative · entry 3

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 30,147 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.

F4 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock of the Issuer, or at the election of the Issuer, its cash equivalent.

F5 · derivative.exercise_date: The RSUs shall vest in full on the anniversary of the date of grant, provided that the Reporting Person remains employed by the Issuer on such vesting date.

F5 · derivative.expiration_date: The RSUs shall vest in full on the anniversary of the date of grant, provided that the Reporting Person remains employed by the Issuer on such vesting date.

SEC source: 0001666071-23-000097 · wk-form4_1689883832.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,179

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 · shares: Represents the underlying vested shares of common stock of the Issuer which have not been delivered.

SEC source: 0001666071-23-000078 · wk-form4_1687818703.xml · nonDerivative · entry 2

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,032

F2 · shares: Shares sold to satisfy withholding tax obligations upon the delivery of shares of common stock for restricted stock units ("RSUs") that vested on June 22, 2023.

SEC source: 0001666071-23-000078 · wk-form4_1687818703.xml · derivative · entry 3

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,034 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.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of common stock of the Issuer, or at the election of the Issuer, its cash equivalent.

F4 · derivative.exercise_date: 25% of the RSUs shall vest on March 22, 2023 with the remainder vesting in twelve equal amounts quarterly thereafter, provided that the Reporting Person remains employed by the Issuer on such vesting date.

F4 · derivative.expiration_date: 25% of the RSUs shall vest on March 22, 2023 with the remainder vesting in twelve equal amounts quarterly thereafter, provided that the Reporting Person remains employed by the Issuer on such vesting date.

SEC source: 0001666071-23-000078 · wk-form4_1687818703.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,681

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 · shares: Represents the underlying vested shares of common stock of the Issuer which have not been delivered.

SEC source: 0001209191-23-027209 · doc4.xml · derivative · entry 2

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,818

Underlying: Common Stock · 3,409 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 restricted stock unit ("RSU") represents a contingent right to receive one share of common stock of the Issuer, or at the election of the Issuer, its cash equivalent.

F2 · derivative.exercise_date: The RSUs shall vest in equal amounts annually over four years on the anniversary of the date of grant, provided that the Reporting Person remains employed by the Issuer on such vesting date.

F2 · derivative.expiration_date: The RSUs shall vest in equal amounts annually over four years on the anniversary of the date of grant, provided that the Reporting Person remains employed by the Issuer on such vesting date.

SEC source: 0001209191-23-027209 · doc4.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,647

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 restricted stock unit ("RSU") represents a contingent right to receive one share of common stock of the Issuer, or at the election of the Issuer, its cash equivalent.

SEC source: 0001666071-23-000049 · wf-form4_168063897672513.xml · derivative · entry 4

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,677

Underlying: Common Stock · 9,677 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.

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock of the Issuer, or at the election of the Issuer, its cash equivalent.

F3 · derivative.exercise_date: The RSUs shall vest in equal amounts annually over four years on the anniversary of the date of grant, provided that the Reporting Person remains employed by the Issuer on such vesting date.

F3 · derivative.expiration_date: The RSUs shall vest in equal amounts annually over four years on the anniversary of the date of grant, provided that the Reporting Person remains employed by the Issuer on such vesting date.

SEC source: 0001666071-23-000049 · wf-form4_168063897672513.xml · nonDerivative · entry 2

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,238

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 · shares: Represents the underlying vested shares of common stock of the Issuer which have not been delivered.

SEC source: 0001666071-23-000049 · wf-form4_168063897672513.xml · derivative · entry 3

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,411

Underlying: Common Stock · 8,136 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.

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock of the Issuer, or at the election of the Issuer, its cash equivalent.

F3 · derivative.exercise_date: The RSUs shall vest in equal amounts annually over four years on the anniversary of the date of grant, provided that the Reporting Person remains employed by the Issuer on such vesting date.

F3 · derivative.expiration_date: The RSUs shall vest in equal amounts annually over four years on the anniversary of the date of grant, provided that the Reporting Person remains employed by the Issuer on such vesting date.

SEC source: 0001666071-23-000049 · wf-form4_168063897672513.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,561

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 · shares: Represents the underlying vested shares of common stock of the Issuer which have not been delivered.

SEC source: 0001666071-23-000002 · wf-form4_167364418422216.xml · derivative · entry 3

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,137 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.

F2 · derivative.exercise_price: Each performance stock unit ("PSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F3 · derivative.exercise_date: On January 12, 2023 the Compensation Committee of the Issuer's Board of Directors certified that a certain milestone had been achieved related to the installation of our Ad Server at a certain FI Partner, resulting in the vesting of this award.

F3 · derivative.expiration_date: On January 12, 2023 the Compensation Committee of the Issuer's Board of Directors certified that a certain milestone had been achieved related to the installation of our Ad Server at a certain FI Partner, resulting in the vesting of this award.

SEC source: 0001666071-23-000002 · wf-form4_167364418422216.xml · derivative · entry 2

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,137

Underlying: Common Stock · 8,137 shares

Expires not disclosed

F2 · derivative.exercise_price: Each performance stock unit ("PSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F3 · derivative.exercise_date: On January 12, 2023 the Compensation Committee of the Issuer's Board of Directors certified that a certain milestone had been achieved related to the installation of our Ad Server at a certain FI Partner, resulting in the vesting of this award.

F3 · derivative.expiration_date: On January 12, 2023 the Compensation Committee of the Issuer's Board of Directors certified that a certain milestone had been achieved related to the installation of our Ad Server at a certain FI Partner, resulting in the vesting of this award.

SEC source: 0001666071-23-000002 · wf-form4_167364418422216.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,425

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 · shares: Represents the underlying vested shares of common stock of the Issuer which have not been delivered.

SEC source: 0001666071-22-000159 · wf-form4_167097064105132.xml · derivative · entry 2

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,875 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 performance stock unit ("PSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F2 · derivative.exercise_date: On December 9, 2021 the Compensation Committee of the Issuer's Board of Directors certified that a target minimum growth rate in adjusted contribution was achieved (the "Certification") resulting in the award of the tranche of the PSU grant related to achieving the adjusted contribution growth target ("adjusted contribution growth tranche"). Fifty percent (50%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU vested upon the Certification, twenty-five percent (25%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU vested 6 months after the Certification, and twenty-five percent (25%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU vested 12 months after the Certification.

F2 · derivative.expiration_date: On December 9, 2021 the Compensation Committee of the Issuer's Board of Directors certified that a target minimum growth rate in adjusted contribution was achieved (the "Certification") resulting in the award of the tranche of the PSU grant related to achieving the adjusted contribution growth target ("adjusted contribution growth tranche"). Fifty percent (50%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU vested upon the Certification, twenty-five percent (25%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU vested 6 months after the Certification, and twenty-five percent (25%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU vested 12 months after the Certification.

SEC source: 0001666071-22-000159 · wf-form4_167097064105132.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,288

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.

SEC source: 0001666071-22-000142 · wf-form4_166794431813983.xml · nonDerivative · entry 2

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,413

F1 · kind: Shares sold to satisfy withholding tax obligations upon the delivery of shares of common stock for performance stock units that vested on October 6, 2022.

SEC source: 0001666071-22-000142 · wf-form4_166794431813983.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,481

F1 · kind: Shares sold to satisfy withholding tax obligations upon the delivery of shares of common stock for performance stock units that vested on October 6, 2022.

F2 · price: The price reported is a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $4.17 to $4.50, 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.

SEC source: 0001666071-22-000138 · wf-form4_166750637805639.xml · derivative · entry 2

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,875 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.

F2 · derivative.exercise_price: Each performance stock unit ("PSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F3 · derivative.exercise_date: On October 6, 2021 the Compensation Committee of the Issuer's Board of Directors certified that a target minimum number of advertisers with a specified billings threshold over a trailing 12-month period was achieved (the "October Certification") resulting in the award of the tranche of the PSU grant related to achieving the advertiser count target ("advertiser tranche"). Fifty percent (50%) of the shares subject to the advertiser tranche of the awarded PSU vested upon the October Certification, twenty-five percent (25%) of the shares subject to the advertiser tranche of the awarded PSU vested 6 months after the October Certification, and twenty-five percent (25%) of the shares subject to the advertiser tranche of the awarded PSU vested 12 months after the October Certification.

F3 · derivative.expiration_date: On October 6, 2021 the Compensation Committee of the Issuer's Board of Directors certified that a target minimum number of advertisers with a specified billings threshold over a trailing 12-month period was achieved (the "October Certification") resulting in the award of the tranche of the PSU grant related to achieving the advertiser count target ("advertiser tranche"). Fifty percent (50%) of the shares subject to the advertiser tranche of the awarded PSU vested upon the October Certification, twenty-five percent (25%) of the shares subject to the advertiser tranche of the awarded PSU vested 6 months after the October Certification, and twenty-five percent (25%) of the shares subject to the advertiser tranche of the awarded PSU vested 12 months after the October Certification.

SEC source: 0001666071-22-000138 · wf-form4_166750637805639.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,715

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 · shares: Represents the underlying vested shares of common stock of the Issuer which have not been delivered.

SEC source: 0001666071-22-000109 · wf-form4_165999102243417.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,840

F1 · kind: Shares sold to satisfy withholding tax obligations upon the delivery of shares of common stock for performance stock units that vested on June 9, 2022.

F2 · balance_after: Includes 291 shares of Common Stock acquired under the Issuer's Employee Stock Purchase Plan.

SEC source: 0001666071-22-000091 · wf-form4_165835062741159.xml · derivative · entry 3

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,147

Underlying: Common Stock · 30,147 shares

Expires not disclosed

F4 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock of the Issuer, or at the election of the Issuer, its cash equivalent.

F5 · derivative.exercise_date: The RSUs shall vest in full on the anniversary of the date of grant, provided that the Reporting Person remains employed by the Issuer on such vesting date.

F5 · derivative.expiration_date: The RSUs shall vest in full on the anniversary of the date of grant, provided that the Reporting Person remains employed by the Issuer on such vesting date.

SEC source: 0001666071-22-000091 · wf-form4_165835062741159.xml · derivative · entry 2

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,875

Underlying: Common Stock · 1,875 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.

F2 · derivative.exercise_price: Each performance stock unit ("PSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F3 · derivative.exercise_date: On December 9, 2021 the Compensation Committee of the Issuer's Board of Directors certified that a target minimum growth rate in adjusted contribution was achieved (the "Certification") resulting in the award of the tranche of the PSU grant related to achieving the adjusted contribution growth target ("adjusted contribution growth tranche"). Fifty percent (50%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU vested upon the Certification, twenty-five percent (25%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU vested 6 months after the Certification, and twenty-five percent (25%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU will vest 12 months after the Certification, subject to continued service to the Issuer.

F3 · derivative.expiration_date: On December 9, 2021 the Compensation Committee of the Issuer's Board of Directors certified that a target minimum growth rate in adjusted contribution was achieved (the "Certification") resulting in the award of the tranche of the PSU grant related to achieving the adjusted contribution growth target ("adjusted contribution growth tranche"). Fifty percent (50%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU vested upon the Certification, twenty-five percent (25%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU vested 6 months after the Certification, and twenty-five percent (25%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU will vest 12 months after the Certification, subject to continued service to the Issuer.

SEC source: 0001666071-22-000091 · wf-form4_165835062741159.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,138

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 · shares: Represents the underlying vested shares of common stock of the Issuer which have not been delivered.

SEC source: 0001666071-22-000065 · wf-form4_165221507107163.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,263

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 10, 2021.

SEC source: 0001666071-22-000060 · wf-form4_165212687893669.xml · nonDerivative · entry 2

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,513

F1 · kind: Shares sold to satisfy withholding tax obligations upon the delivery of shares of common stock for restricted stock units that vested on March 24, 2022, April 1, 2022 and April 5, 2022 and performance stock units that vested on April 6, 2022.

F3 · price: The price reported is a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $34.37 to $34.94, inclusive.

SEC source: 0001666071-22-000060 · wf-form4_165212687893669.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,147

F1 · kind: Shares sold to satisfy withholding tax obligations upon the delivery of shares of common stock for restricted stock units that vested on March 24, 2022, April 1, 2022 and April 5, 2022 and performance stock units that vested on April 6, 2022.

F2 · price: The price reported is a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $33.37 to $34.36, 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 ranges set forth in footnotes (2) and (3) to this Form 4.

SEC source: 0001666071-22-000046 · wf-form4_164970748986527.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,833

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 10, 2021.

SEC source: 0001666071-22-000037 · wf-form4_164937377602615.xml · derivative · entry 4

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,875

Underlying: Common Stock · 1,875 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.

F4 · derivative.exercise_price: Each performance stock unit ("PSU") represents a contingent right to receive one share of common stock of the Issuer, or at the election of the Issuer, its cash equivalent.

F5 · derivative.exercise_date: On October 6, 2021 the Compensation Committee of the Issuer's Board of Directors certified that a target minimum number of advertisers with a specified billings threshold over a trailing 12-month period was achieved (the "Certification") resulting in the award of the tranche of the PSU grant related to achieving the advertiser count target ("advertiser tranche"). Fifty percent (50%) of the shares subject to the advertiser tranche of the awarded PSU vested upon the Certification, twenty-five percent (25%) of the shares subject to the advertiser tranche of the awarded PSU vested 6 months after the Certification, and twenty-five percent (25%) of the shares subject to the advertiser tranche of the awarded PSU will vest 12 months after the Certification, subject to continued service to the Issuer.

F5 · derivative.expiration_date: On October 6, 2021 the Compensation Committee of the Issuer's Board of Directors certified that a target minimum number of advertisers with a specified billings threshold over a trailing 12-month period was achieved (the "Certification") resulting in the award of the tranche of the PSU grant related to achieving the advertiser count target ("advertiser tranche"). Fifty percent (50%) of the shares subject to the advertiser tranche of the awarded PSU vested upon the Certification, twenty-five percent (25%) of the shares subject to the advertiser tranche of the awarded PSU vested 6 months after the Certification, and twenty-five percent (25%) of the shares subject to the advertiser tranche of the awarded PSU will vest 12 months after the Certification, subject to continued service to the Issuer.

SEC source: 0001666071-22-000037 · wf-form4_164937377602615.xml · nonDerivative · entry 2

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,083

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 · shares: Represents the underlying vested shares of common stock of the Issuer which have not been delivered.

SEC source: 0001666071-22-000037 · wf-form4_164937377602615.xml · derivative · entry 3

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,227

Underlying: Common Stock · 3,408 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.

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock of the Issuer, or at the election of the Issuer, its cash equivalent.

F3 · derivative.exercise_date: The RSUs shall vest in equal amounts annually over four years on the anniversary of the date of grant, provided that the Reporting Person remains employed by the Issuer on such vesting date.

F3 · derivative.expiration_date: The RSUs shall vest in equal amounts annually over four years on the anniversary of the date of grant, provided that the Reporting Person remains employed by the Issuer on such vesting date.

SEC source: 0001666071-22-000037 · wf-form4_164937377602615.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,208

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 · shares: Represents the underlying vested shares of common stock of the Issuer which have not been delivered.

SEC source: 0001666071-22-000033 · wf-form4_164919204547998.xml · derivative · entry 2

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,355

Underlying: Common Stock · 9,678 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.

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock of the Issuer, or at the election of the Issuer, its cash equivalent.

F3 · derivative.exercise_date: The RSUs shall vest in equal amounts annually over four years on the anniversary of the date of grant, provided that the Reporting Person remains employed by the Issuer on such vesting date.

F3 · derivative.expiration_date: The RSUs shall vest in equal amounts annually over four years on the anniversary of the date of grant, provided that the Reporting Person remains employed by the Issuer on such vesting date.

SEC source: 0001666071-22-000033 · wf-form4_164919204547998.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,800

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 · shares: Represents the underlying vested shares of common stock of the Issuer which have not been delivered.

SEC source: 0001666071-22-000029 · wf-form4_164816588107192.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,122

F1 · shares: Represents a restricted stock unit ("RSU") award. The shares underlying the RSU award vested immediately upon grant.

SEC source: 0001666071-22-000029 · wf-form4_164816588107192.xml · derivative · entry 2

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,547

Underlying: Common Stock · 32,547 shares

Expires not disclosed

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of common stock of the Issuer, or at the election of the Issuer, its cash equivalent.

F3 · derivative.exercise_date: 25% of the RSUs shall vest on April 1, 2023 with the remainder vesting in equal amounts quarterly thereafter, provided that the Reporting Person remains employed by the Issuer on such vesting date.

F3 · derivative.expiration_date: 25% of the RSUs shall vest on April 1, 2023 with the remainder vesting in equal amounts quarterly thereafter, provided that the Reporting Person remains employed by the Issuer on such vesting date.

SEC source: 0001666071-22-000024 · wf-form4_164694779046376.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,105

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 10, 2021.

SEC source: 0001666071-22-000009 · wf-form4_164463407090421.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,355

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 10, 2021.

SEC source: 0001666071-22-000003 · wf-form4_164193636492717.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,605

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 13, 2020.

SEC source: 0001666071-21-000240 · wf-form4_163943032718553.xml · nonDerivative · entry 5

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,855

F3 · kind: Shares sold to satisfy withholding tax obligations upon the delivery of shares of common stock for performance stock units that vested on December 9, 2021.

F6 · price: The price reported is a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $69.28 to $70.13, inclusive.

SEC source: 0001666071-21-000240 · wf-form4_163943032718553.xml · nonDerivative · entry 4

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,235

F3 · kind: Shares sold to satisfy withholding tax obligations upon the delivery of shares of common stock for performance stock units that vested on December 9, 2021.

F5 · price: The price reported is a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $68.18 to $69.08, inclusive.

SEC source: 0001666071-21-000240 · wf-form4_163943032718553.xml · nonDerivative · entry 3

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,055

F3 · kind: Shares sold to satisfy withholding tax obligations upon the delivery of shares of common stock for performance stock units that vested on December 9, 2021.

F4 · price: The price reported is a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $67.18 to $68.17, 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) and (6) to this Form 4.

SEC source: 0001666071-21-000240 · wf-form4_163943032718553.xml · nonDerivative · entry 2

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,594

F2 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 13, 2020.

SEC source: 0001666071-21-000240 · wf-form4_163943032718553.xml · derivative · entry 7

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,750

Underlying: Common Stock · 3,750 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 performance stock unit ("PSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F7 · derivative.exercise_date: On December 9, 2021 the Compensation Committee of the Issuer's Board of Directors certified that a target minimum growth rate in adjusted contribution was achieved (the "Certification") resulting in the award of the tranche of the PSU grant related to achieving the adjusted contribution growth target ("adjusted contribution growth tranche"). Fifty percent (50%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU vested upon the Certification, twenty-five percent (25%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU will vest 6 months after the Certification, and twenty-five percent (25%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU will vest 12 months after the Certification, subject to continued service to the Issuer.

F7 · derivative.expiration_date: On December 9, 2021 the Compensation Committee of the Issuer's Board of Directors certified that a target minimum growth rate in adjusted contribution was achieved (the "Certification") resulting in the award of the tranche of the PSU grant related to achieving the adjusted contribution growth target ("adjusted contribution growth tranche"). Fifty percent (50%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU vested upon the Certification, twenty-five percent (25%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU will vest 6 months after the Certification, and twenty-five percent (25%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU will vest 12 months after the Certification, subject to continued service to the Issuer.

SEC source: 0001666071-21-000240 · wf-form4_163943032718553.xml · derivative · entry 6

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,500

Underlying: Common Stock · 7,500 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance stock unit ("PSU") represents a contingent right to receive one share of the Issuer's Common Stock.

F7 · derivative.exercise_date: On December 9, 2021 the Compensation Committee of the Issuer's Board of Directors certified that a target minimum growth rate in adjusted contribution was achieved (the "Certification") resulting in the award of the tranche of the PSU grant related to achieving the adjusted contribution growth target ("adjusted contribution growth tranche"). Fifty percent (50%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU vested upon the Certification, twenty-five percent (25%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU will vest 6 months after the Certification, and twenty-five percent (25%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU will vest 12 months after the Certification, subject to continued service to the Issuer.

F7 · derivative.expiration_date: On December 9, 2021 the Compensation Committee of the Issuer's Board of Directors certified that a target minimum growth rate in adjusted contribution was achieved (the "Certification") resulting in the award of the tranche of the PSU grant related to achieving the adjusted contribution growth target ("adjusted contribution growth tranche"). Fifty percent (50%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU vested upon the Certification, twenty-five percent (25%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU will vest 6 months after the Certification, and twenty-five percent (25%) of the shares subject to the adjusted contribution growth tranche of the awarded PSU will vest 12 months after the Certification, subject to continued service to the Issuer.

SEC source: 0001666071-21-000240 · wf-form4_163943032718553.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,844

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 performance stock unit ("PSU") represents a contingent right to receive one share of the Issuer's Common Stock.

SEC source: 0001666071-21-000228 · wf-form4_163657842402014.xml · nonDerivative · entry 1

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,094

F1 · kind: These transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 13, 2020.

SEC source: 0001666071-21-000222 · wf-form4_163641037425146.xml · nonDerivative · entry 4

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,344

F1 · kind: Shares sold to satisfy withholding tax obligations upon the delivery of shares of common stock for performance stock units that vested on October 6, 2021.

F5 · price: The price reported is a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $92.94 to $92.98, inclusive.

SEC source: 0001666071-21-000222 · wf-form4_163641037425146.xml · nonDerivative · entry 3

Christiansen Andrew · CIK 0001805400 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,544

F1 · kind: Shares sold to satisfy withholding tax obligations upon the delivery of shares of common stock for performance stock units that vested on October 6, 2021.

F4 · price: The price reported is a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $91.88 to $92.5725, inclusive.