GCMG

SEC source: 0001628280-26-064346 · wk-form4_1790902512.xml · derivative · entry 1

SCOTT SAMUEL C III · CIK 0001202862 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 129,575

Underlying: Class A Common Stock · 5,722 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents the contingent right to receive one share of Class A Common Stock of the Issuer.

F2 · derivative.exercise_date: This award of RSUs was granted pursuant to the Issuer's Amended and Restated 2020 Incentive Award Plan, in lieu of quarterly cash compensation at the election of the Reporting Person, and is fully vested as of the date of grant. Shares of Class A Common Stock in settlement of vested RSUs will be delivered upon the earliest to occur of the Reporting Person's "separation from service" from the Issuer, a "change in control event" of the Issuer or the Reporting Person's death or disability.

F2 · derivative.expiration_date: This award of RSUs was granted pursuant to the Issuer's Amended and Restated 2020 Incentive Award Plan, in lieu of quarterly cash compensation at the election of the Reporting Person, and is fully vested as of the date of grant. Shares of Class A Common Stock in settlement of vested RSUs will be delivered upon the earliest to occur of the Reporting Person's "separation from service" from the Issuer, a "change in control event" of the Issuer or the Reporting Person's death or disability.

SEC source: 0001628280-26-064348 · wk-form4_1790902562.xml · derivative · entry 1

HELFAND DAVID · CIK 0001201466 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,031

Underlying: Class A Common Stock · 6,886 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents the contingent right to receive one share of Class A Common Stock of the Issuer.

F2 · derivative.exercise_date: This award of RSUs was granted pursuant to the Issuer's Amended and Restated 2020 Incentive Award Plan, in lieu of quarterly cash compensation at the election of the Reporting Person, and is fully vested as of the date of grant. Shares of Class A Common Stock in settlement of vested RSUs will be delivered upon the earliest to occur of the Reporting Person's "separation from service" from the Issuer, a "change in control event" of the Issuer or the Reporting Person's death or disability.

F2 · derivative.expiration_date: This award of RSUs was granted pursuant to the Issuer's Amended and Restated 2020 Incentive Award Plan, in lieu of quarterly cash compensation at the election of the Reporting Person, and is fully vested as of the date of grant. Shares of Class A Common Stock in settlement of vested RSUs will be delivered upon the earliest to occur of the Reporting Person's "separation from service" from the Issuer, a "change in control event" of the Issuer or the Reporting Person's death or disability.

SEC source: 0001628280-26-064349 · wk-form4_1790902582.xml · nonDerivative · entry 1

Cornelli Francesca · CIK 0001831818 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,953

F1 · kind: This award of Class A Common Stock of the Issuer was granted pursuant to the Issuer's Amended and Restated 2020 Incentive Award Plan, in lieu of quarterly cash compensation at the election of the Reporting Person, and is fully vested as of the date of grant.

SEC source: 0001628280-26-064347 · wk-form4_1790902539.xml · derivative · entry 1

Malkin Stephen · CIK 0001831821 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 112,236

Underlying: Class A Common Stock · 4,849 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents the contingent right to receive one share of Class A Common Stock of the Issuer.

F2 · derivative.exercise_date: This award of RSUs was granted pursuant to the Issuer's Amended and Restated 2020 Incentive Award Plan, in lieu of quarterly cash compensation at the election of the Reporting Person, and is fully vested as of the date of grant. Shares of Class A Common Stock in settlement of vested RSUs will be delivered upon the earliest to occur of the Reporting Person's "separation from service" from the Issuer, a "change in control event" of the Issuer or the Reporting Person's death or disability.

F2 · derivative.expiration_date: This award of RSUs was granted pursuant to the Issuer's Amended and Restated 2020 Incentive Award Plan, in lieu of quarterly cash compensation at the election of the Reporting Person, and is fully vested as of the date of grant. Shares of Class A Common Stock in settlement of vested RSUs will be delivered upon the earliest to occur of the Reporting Person's "separation from service" from the Issuer, a "change in control event" of the Issuer or the Reporting Person's death or disability.

SEC source: 0001628280-26-062340 · wk-form4_1789603447.xml · nonDerivative · entry 2

Bentley Pamela L · CIK 0001610089 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,397

F2 · price: These shares were sold pursuant to a Rule 10b5-1 trading plan in multiple transactions at prices ranging from $12.4550 to $12.7800, inclusive. The price reported in Column 4 is a weighted average price.

SEC source: 0001628280-26-062340 · wk-form4_1789603447.xml · nonDerivative · entry 1

Bentley Pamela L · CIK 0001610089 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,397

F1 · price: These shares were sold pursuant to a Rule 10b5-1 trading plan in multiple transactions at prices ranging from $12.3800 to $12.7300, inclusive. The price reported in Column 4 is a weighted average price.

SEC source: 0001628280-26-060493 · wk-form4_1788468355.xml · nonDerivative · entry 2

SULLIVAN KATHLEEN PATRICIA · CIK 0001684847 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,795

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.0200 to $13.3500, inclusive.

SEC source: 0001628280-26-060493 · wk-form4_1788468355.xml · nonDerivative · entry 1

SULLIVAN KATHLEEN PATRICIA · CIK 0001684847 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,832

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.0500 to $13.4500, inclusive.

SEC source: 0001628280-26-057522 · wk-form4_1787012311.xml · derivative · entry 3

Pollock Frederick · CIK 0001680611 · Chief Investment Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 60,870 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 RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

F1 · shares: Represents restricted stock units ("RSUs") that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2026, and vested in full on August 15, 2026. Shares of Class A common stock of the Issuer were delivered to the Reporting Person in settlement of vested RSUs on August 15, 2026.

F1 · derivative.exercise_date: Represents restricted stock units ("RSUs") that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2026, and vested in full on August 15, 2026. Shares of Class A common stock of the Issuer were delivered to the Reporting Person in settlement of vested RSUs on August 15, 2026.

F1 · derivative.expiration_date: Represents restricted stock units ("RSUs") that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2026, and vested in full on August 15, 2026. Shares of Class A common stock of the Issuer were delivered to the Reporting Person in settlement of vested RSUs on August 15, 2026.

SEC source: 0001628280-26-057522 · wk-form4_1787012311.xml · nonDerivative · entry 2

Pollock Frederick · CIK 0001680611 · Chief Investment Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 813,189

F3 · shares: Represents shares of Class A common stock that have been withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of RSUs that vested on August 15, 2026. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested RSUs and do not constitute any open-market sale.

SEC source: 0001628280-26-057522 · wk-form4_1787012311.xml · nonDerivative · entry 1

Pollock Frederick · CIK 0001680611 · Chief Investment Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 837,142

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 restricted stock units ("RSUs") that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2026, and vested in full on August 15, 2026. Shares of Class A common stock of the Issuer were delivered to the Reporting Person in settlement of vested RSUs on August 15, 2026.

F2 · price: Each RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

SEC source: 0001628280-26-057521 · wk-form4_1787012288.xml · derivative · entry 3

Levin Jonathan Reisin · CIK 0001701471 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 91,305 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 RSU represents the contingent right to receive one share of Class A common stock of the Issuer.

F1 · shares: Represents restricted stock units ("RSUs") that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2026, and vested in full on August 15, 2026. Shares of Class A common stock of the Issuer were delivered to the Reporting Person in settlement of vested RSUs on August 15, 2026.

F1 · derivative.exercise_date: Represents restricted stock units ("RSUs") that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2026, and vested in full on August 15, 2026. Shares of Class A common stock of the Issuer were delivered to the Reporting Person in settlement of vested RSUs on August 15, 2026.

F1 · derivative.expiration_date: Represents restricted stock units ("RSUs") that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2026, and vested in full on August 15, 2026. Shares of Class A common stock of the Issuer were delivered to the Reporting Person in settlement of vested RSUs on August 15, 2026.

SEC source: 0001628280-26-057521 · wk-form4_1787012288.xml · nonDerivative · entry 2

Levin Jonathan Reisin · CIK 0001701471 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 689,493

F3 · shares: Represents shares of Class A common stock that have been withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of RSUs that vested on August 15, 2026. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested RSUs and do not constitute any open-market sale.

SEC source: 0001628280-26-057521 · wk-form4_1787012288.xml · nonDerivative · entry 1

Levin Jonathan Reisin · CIK 0001701471 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 732,306

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 restricted stock units ("RSUs") that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2026, and vested in full on August 15, 2026. Shares of Class A common stock of the Issuer were delivered to the Reporting Person in settlement of vested RSUs on August 15, 2026.

F2 · price: Each RSU represents the contingent right to receive one share of Class A common stock of the Issuer.

SEC source: 0001213900-26-079145 · ownership.xml · nonDerivative · entry 3

CANTOR FITZGERALD, L. P. · CIK 0001024896 · 10% owner

CF Finance Holdings LLC · CIK 0001761061 · 10% owner

CF GCM Investor, LLC · CIK 0001834206 · 10% owner

CF GROUP MANAGEMENT INC · CIK 0001251145 · 10% owner

Lutnick Brandon · CIK 0002048880 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 5,894,429

F1 · ownership.nature: As a result of the sales reported herein, the Reporting Persons no longer own 10% or more of GCM Grosvenor, Inc. ("GCMG")'s outstanding Class A common stock. The Reporting Persons are filing this Form 4 to report that they are no longer Reporting Persons of GCMG.

F2 · ownership.nature: Prior to the transactions reported herein, CF Finance Holdings, LLC ("Holdings") was the record holder of 2,951,535 shares of Class A common stock of GCMG and CF GCM Investor, LLC ("Investor") was the record owner of 3,500,000 shares of Class A common stock of GCMG. After the consummation of the transactions reported herein, Holdings is the record owner of 2,947,535 shares of Class A common stock of GCMG and Investor is the record owner of 2,946,894 shares of Class A common stock of GCMG.

F3 · ownership.nature: Cantor Fitzgerald, L.P. ("CFLP") is the sole member of each of Holdings and Investor. CF Group Management, Inc. ("CFGM") is the managing general partner of CFLP. Mr. Brandon Lutnick is the Chairman and Chief Executive Officer of CFLP and CFGM and also the trustee with decision making control of trusts that hold all of the voting shares of CFGM. As such, each of CFLP, CFGM and Mr. Brandon Lutnick may be deemed to have beneficial ownership of the securities directly held by Holdings and Investor. Each such entity or person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest they may have therein, directly or indirectly.

F6 · ownership.nature: Price reflects the weighted average price for the transactions reported in this line. The range of prices for the transactions reported in this line is $13.50 to $13.65.

SEC source: 0001213900-26-079145 · ownership.xml · nonDerivative · entry 2

CANTOR FITZGERALD, L. P. · CIK 0001024896 · 10% owner

CF Finance Holdings LLC · CIK 0001761061 · 10% owner

CF GCM Investor, LLC · CIK 0001834206 · 10% owner

CF GROUP MANAGEMENT INC · CIK 0001251145 · 10% owner

Lutnick Brandon · CIK 0002048880 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 6,320,979

F1 · ownership.nature: As a result of the sales reported herein, the Reporting Persons no longer own 10% or more of GCM Grosvenor, Inc. ("GCMG")'s outstanding Class A common stock. The Reporting Persons are filing this Form 4 to report that they are no longer Reporting Persons of GCMG.

F2 · ownership.nature: Prior to the transactions reported herein, CF Finance Holdings, LLC ("Holdings") was the record holder of 2,951,535 shares of Class A common stock of GCMG and CF GCM Investor, LLC ("Investor") was the record owner of 3,500,000 shares of Class A common stock of GCMG. After the consummation of the transactions reported herein, Holdings is the record owner of 2,947,535 shares of Class A common stock of GCMG and Investor is the record owner of 2,946,894 shares of Class A common stock of GCMG.

F3 · ownership.nature: Cantor Fitzgerald, L.P. ("CFLP") is the sole member of each of Holdings and Investor. CF Group Management, Inc. ("CFGM") is the managing general partner of CFLP. Mr. Brandon Lutnick is the Chairman and Chief Executive Officer of CFLP and CFGM and also the trustee with decision making control of trusts that hold all of the voting shares of CFGM. As such, each of CFLP, CFGM and Mr. Brandon Lutnick may be deemed to have beneficial ownership of the securities directly held by Holdings and Investor. Each such entity or person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest they may have therein, directly or indirectly.

F5 · ownership.nature: Price reflects the weighted average price for the transactions reported in this line. The range of prices for the transactions reported in this line is $14.20 to $14.27.

SEC source: 0001213900-26-079145 · ownership.xml · nonDerivative · entry 1

CANTOR FITZGERALD, L. P. · CIK 0001024896 · 10% owner

CF Finance Holdings LLC · CIK 0001761061 · 10% owner

CF GCM Investor, LLC · CIK 0001834206 · 10% owner

CF GROUP MANAGEMENT INC · CIK 0001251145 · 10% owner

Lutnick Brandon · CIK 0002048880 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 6,324,979

F1 · ownership.nature: As a result of the sales reported herein, the Reporting Persons no longer own 10% or more of GCM Grosvenor, Inc. ("GCMG")'s outstanding Class A common stock. The Reporting Persons are filing this Form 4 to report that they are no longer Reporting Persons of GCMG.

F2 · ownership.nature: Prior to the transactions reported herein, CF Finance Holdings, LLC ("Holdings") was the record holder of 2,951,535 shares of Class A common stock of GCMG and CF GCM Investor, LLC ("Investor") was the record owner of 3,500,000 shares of Class A common stock of GCMG. After the consummation of the transactions reported herein, Holdings is the record owner of 2,947,535 shares of Class A common stock of GCMG and Investor is the record owner of 2,946,894 shares of Class A common stock of GCMG.

F3 · ownership.nature: Cantor Fitzgerald, L.P. ("CFLP") is the sole member of each of Holdings and Investor. CF Group Management, Inc. ("CFGM") is the managing general partner of CFLP. Mr. Brandon Lutnick is the Chairman and Chief Executive Officer of CFLP and CFGM and also the trustee with decision making control of trusts that hold all of the voting shares of CFGM. As such, each of CFLP, CFGM and Mr. Brandon Lutnick may be deemed to have beneficial ownership of the securities directly held by Holdings and Investor. Each such entity or person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest they may have therein, directly or indirectly.

F4 · ownership.nature: Price reflects the weighted average price for the transactions reported in this line. The range of prices for the transactions reported in this line is $13.75 to $14.25.

SEC source: 0001628280-26-046564 · wk-form4_1782937915.xml · derivative · entry 1

Malkin Stephen · CIK 0001831821 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 107,387

Underlying: Class A Common Stock · 5,082 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents the contingent right to receive one share of Class A Common Stock of the Issuer.

F2 · derivative.exercise_date: This award of RSUs was granted pursuant to the Issuer's Amended and Restated 2020 Incentive Award Plan, in lieu of quarterly cash compensation at the election of the Reporting Person, and is fully vested as of the date of grant. Shares of Class A Common Stock in settlement of vested RSUs will be delivered upon the earliest to occur of the Reporting Person's "separation from service" from the Issuer, a "change in control event" of the Issuer or the Reporting Person's death or disability.

F2 · derivative.expiration_date: This award of RSUs was granted pursuant to the Issuer's Amended and Restated 2020 Incentive Award Plan, in lieu of quarterly cash compensation at the election of the Reporting Person, and is fully vested as of the date of grant. Shares of Class A Common Stock in settlement of vested RSUs will be delivered upon the earliest to occur of the Reporting Person's "separation from service" from the Issuer, a "change in control event" of the Issuer or the Reporting Person's death or disability.

SEC source: 0001628280-26-046566 · wk-form4_1782937935.xml · derivative · entry 1

SCOTT SAMUEL C III · CIK 0001202862 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 123,853

Underlying: Class A Common Stock · 5,996 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents the contingent right to receive one share of Class A Common Stock of the Issuer.

F2 · derivative.exercise_date: This award of RSUs was granted pursuant to the Issuer's Amended and Restated 2020 Incentive Award Plan, in lieu of quarterly cash compensation at the election of the Reporting Person, and is fully vested as of the date of grant. Shares of Class A Common Stock in settlement of vested RSUs will be delivered upon the earliest to occur of the Reporting Person's "separation from service" from the Issuer, a "change in control event" of the Issuer or the Reporting Person's death or disability.

F2 · derivative.expiration_date: This award of RSUs was granted pursuant to the Issuer's Amended and Restated 2020 Incentive Award Plan, in lieu of quarterly cash compensation at the election of the Reporting Person, and is fully vested as of the date of grant. Shares of Class A Common Stock in settlement of vested RSUs will be delivered upon the earliest to occur of the Reporting Person's "separation from service" from the Issuer, a "change in control event" of the Issuer or the Reporting Person's death or disability.

SEC source: 0001628280-26-046563 · wk-form4_1782937896.xml · derivative · entry 1

HELFAND DAVID · CIK 0001201466 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,145

Underlying: Class A Common Stock · 7,216 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents the contingent right to receive one share of Class A Common Stock of the Issuer.

F2 · derivative.exercise_date: This award of RSUs was granted pursuant to the Issuer's Amended and Restated 2020 Incentive Award Plan, in lieu of quarterly cash compensation at the election of the Reporting Person, and is fully vested as of the date of grant. Shares of Class A Common Stock in settlement of vested RSUs will be delivered upon the earliest to occur of the Reporting Person's "separation from service" from the Issuer, a "change in control event" of the Issuer or the Reporting Person's death or disability.

F2 · derivative.expiration_date: This award of RSUs was granted pursuant to the Issuer's Amended and Restated 2020 Incentive Award Plan, in lieu of quarterly cash compensation at the election of the Reporting Person, and is fully vested as of the date of grant. Shares of Class A Common Stock in settlement of vested RSUs will be delivered upon the earliest to occur of the Reporting Person's "separation from service" from the Issuer, a "change in control event" of the Issuer or the Reporting Person's death or disability.

SEC source: 0001628280-26-046561 · wk-form4_1782937876.xml · nonDerivative · entry 1

Cornelli Francesca · CIK 0001831818 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,231

F1 · kind: This award of Class A Common Stock of the Issuer was granted pursuant to the Issuer's Amended and Restated 2020 Incentive Award Plan, in lieu of quarterly cash compensation at the election of the Reporting Person, and is fully vested as of the date of grant.

SEC source: 0001628280-26-039956 · wk-form4_1780437425.xml · derivative · entry 7

SULLIVAN KATHLEEN PATRICIA · CIK 0001684847 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,230

Underlying: Class A Common Stock · 9,114 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 RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

F4 · derivative.exercise_date: Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2025. 9,114 RSUs vested on May 31, 2026, 9,114 RSUs will vest on May 31, 2027 and 9,116 RSUs will vest on May 31, 2028, subject to the Reporting Person's continued service through the applicable vesting date. 9,114 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 9,114 vested RSUs on May 31, 2026.

F4 · derivative.expiration_date: Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2025. 9,114 RSUs vested on May 31, 2026, 9,114 RSUs will vest on May 31, 2027 and 9,116 RSUs will vest on May 31, 2028, subject to the Reporting Person's continued service through the applicable vesting date. 9,114 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 9,114 vested RSUs on May 31, 2026.

SEC source: 0001628280-26-039956 · wk-form4_1780437425.xml · derivative · entry 6

SULLIVAN KATHLEEN PATRICIA · CIK 0001684847 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,122

Underlying: Class A Common Stock · 12,121 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 RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

F3 · derivative.exercise_date: Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2024. 12,121 RSUs vested on May 31, 2025, 12,121 RSUs vested on May 31, 2026 and 12,122 RSUs will vest on May 31, 2027, subject to the Reporting Person's continued service through the applicable vesting date. 12,121 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 12,121 vested RSUs on May 31, 2026.

F3 · derivative.expiration_date: Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2024. 12,121 RSUs vested on May 31, 2025, 12,121 RSUs vested on May 31, 2026 and 12,122 RSUs will vest on May 31, 2027, subject to the Reporting Person's continued service through the applicable vesting date. 12,121 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 12,121 vested RSUs on May 31, 2026.

SEC source: 0001628280-26-039956 · wk-form4_1780437425.xml · derivative · entry 5

SULLIVAN KATHLEEN PATRICIA · CIK 0001684847 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 12,500 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 RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

F1 · derivative.exercise_date: Represents restricted stock units ("RSUs") that were granted under the Issuer's 2020 Incentive Award Plan on March 1, 2023. 12,500 RSUs vested on May 31, 2024, 12,500 RSUs vested on May 31, 2025 and 12,500 RSUs vested on May 31, 2026. 12,500 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 12,500 vested RSUs on May 31, 2026.

F1 · derivative.expiration_date: Represents restricted stock units ("RSUs") that were granted under the Issuer's 2020 Incentive Award Plan on March 1, 2023. 12,500 RSUs vested on May 31, 2024, 12,500 RSUs vested on May 31, 2025 and 12,500 RSUs vested on May 31, 2026. 12,500 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 12,500 vested RSUs on May 31, 2026.

SEC source: 0001628280-26-039956 · wk-form4_1780437425.xml · nonDerivative · entry 4

SULLIVAN KATHLEEN PATRICIA · CIK 0001684847 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,795

F5 · shares: Represents shares of Class A Common Stock that have been withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of RSUs that vested on May 31, 2026. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested RSUs and do not constitute any open-market sale.

SEC source: 0001628280-26-039956 · wk-form4_1780437425.xml · nonDerivative · entry 3

SULLIVAN KATHLEEN PATRICIA · CIK 0001684847 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,741

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.

F4 · kind: Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2025. 9,114 RSUs vested on May 31, 2026, 9,114 RSUs will vest on May 31, 2027 and 9,116 RSUs will vest on May 31, 2028, subject to the Reporting Person's continued service through the applicable vesting date. 9,114 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 9,114 vested RSUs on May 31, 2026.

F2 · price: Each RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

SEC source: 0001628280-26-039956 · wk-form4_1780437425.xml · nonDerivative · entry 2

SULLIVAN KATHLEEN PATRICIA · CIK 0001684847 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,627

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 · kind: Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2024. 12,121 RSUs vested on May 31, 2025, 12,121 RSUs vested on May 31, 2026 and 12,122 RSUs will vest on May 31, 2027, subject to the Reporting Person's continued service through the applicable vesting date. 12,121 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 12,121 vested RSUs on May 31, 2026.

F2 · price: Each RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

SEC source: 0001628280-26-039956 · wk-form4_1780437425.xml · nonDerivative · entry 1

SULLIVAN KATHLEEN PATRICIA · CIK 0001684847 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,506

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 · kind: Represents restricted stock units ("RSUs") that were granted under the Issuer's 2020 Incentive Award Plan on March 1, 2023. 12,500 RSUs vested on May 31, 2024, 12,500 RSUs vested on May 31, 2025 and 12,500 RSUs vested on May 31, 2026. 12,500 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 12,500 vested RSUs on May 31, 2026.

F2 · price: Each RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

SEC source: 0001628280-26-039955 · wk-form4_1780437408.xml · derivative · entry 3

Pollock Frederick · CIK 0001680611 · Chief Investment Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 25,000 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 RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

F1 · derivative.exercise_date: Represents restricted stock units ("RSUs") that were granted under the Issuer's 2020 Incentive Award Plan on March 1, 2023. 25,000 RSUs vested on May 31, 2024, 25,000 RSUs vested on May 31, 2025 and 25,000 RSUs vested on May 31, 2026. 25,000 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 25,000 vested RSUs on May 31, 2026.

F1 · derivative.expiration_date: Represents restricted stock units ("RSUs") that were granted under the Issuer's 2020 Incentive Award Plan on March 1, 2023. 25,000 RSUs vested on May 31, 2024, 25,000 RSUs vested on May 31, 2025 and 25,000 RSUs vested on May 31, 2026. 25,000 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 25,000 vested RSUs on May 31, 2026.

SEC source: 0001628280-26-039955 · wk-form4_1780437408.xml · nonDerivative · entry 2

Pollock Frederick · CIK 0001680611 · Chief Investment Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 776,272

F3 · shares: Represents shares of Class A Common Stock that have been withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of RSUs that vested on May 31, 2026. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested RSUs and do not constitute any open-market sale.

SEC source: 0001628280-26-039955 · wk-form4_1780437408.xml · nonDerivative · entry 1

Pollock Frederick · CIK 0001680611 · Chief Investment Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 786,110

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 · kind: Represents restricted stock units ("RSUs") that were granted under the Issuer's 2020 Incentive Award Plan on March 1, 2023. 25,000 RSUs vested on May 31, 2024, 25,000 RSUs vested on May 31, 2025 and 25,000 RSUs vested on May 31, 2026. 25,000 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 25,000 vested RSUs on May 31, 2026.

F2 · price: Each RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

SEC source: 0001628280-26-039954 · wk-form4_1780437390.xml · derivative · entry 7

Levin Jonathan Reisin · CIK 0001701471 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Class A Common Stock · 50,000 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 RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

F4 · derivative.exercise_date: Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2025. 50,000 RSUs vested on May 31, 2026, 50,000 RSUs will vest on May 31, 2027 and 50,000 RSUs will vest on May 31, 2028, subject to the Reporting Person's continued service through the applicable vesting date. 50,000 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 50,000 vested RSUs on May 31, 2026.

F4 · derivative.expiration_date: Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2025. 50,000 RSUs vested on May 31, 2026, 50,000 RSUs will vest on May 31, 2027 and 50,000 RSUs will vest on May 31, 2028, subject to the Reporting Person's continued service through the applicable vesting date. 50,000 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 50,000 vested RSUs on May 31, 2026.

SEC source: 0001628280-26-039954 · wk-form4_1780437390.xml · derivative · entry 6

Levin Jonathan Reisin · CIK 0001701471 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,243

Underlying: Class A Common Stock · 24,242 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 RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

F3 · derivative.exercise_date: Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2024. 24,242 RSUs vested on May 31, 2025, 24,242 RSUs vested on May 31, 2026 and 24,243 RSUs will vest on May 31, 2027, subject to the Reporting Person's continued service through the applicable vesting date. 24,242 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 24,242 vested RSUs on May 31, 2026.

F3 · derivative.expiration_date: Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2024. 24,242 RSUs vested on May 31, 2025, 24,242 RSUs vested on May 31, 2026 and 24,243 RSUs will vest on May 31, 2027, subject to the Reporting Person's continued service through the applicable vesting date. 24,242 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 24,242 vested RSUs on May 31, 2026.

SEC source: 0001628280-26-039954 · wk-form4_1780437390.xml · derivative · entry 5

Levin Jonathan Reisin · CIK 0001701471 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 25,000 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 RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

F1 · derivative.exercise_date: Represents restricted stock units ("RSUs") that were granted under the Issuer's 2020 Incentive Award Plan on March 1, 2023. 25,000 RSUs vested on May 31, 2024, 25,000 RSUs vested on May 31, 2025 and 25,000 RSUs vested on May 31, 2026. 25,000 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 25,000 vested RSUs on May 31, 2026.

F1 · derivative.expiration_date: Represents restricted stock units ("RSUs") that were granted under the Issuer's 2020 Incentive Award Plan on March 1, 2023. 25,000 RSUs vested on May 31, 2024, 25,000 RSUs vested on May 31, 2025 and 25,000 RSUs vested on May 31, 2026. 25,000 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 25,000 vested RSUs on May 31, 2026.

SEC source: 0001628280-26-039954 · wk-form4_1780437390.xml · nonDerivative · entry 4

Levin Jonathan Reisin · CIK 0001701471 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 641,001

F5 · shares: Represents shares of Class A Common Stock that have been withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of RSUs that vested on May 31, 2026. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested RSUs and do not constitute any open-market sale.

SEC source: 0001628280-26-039954 · wk-form4_1780437390.xml · nonDerivative · entry 3

Levin Jonathan Reisin · CIK 0001701471 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 686,086

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 · kind: Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2025. 50,000 RSUs vested on May 31, 2026, 50,000 RSUs will vest on May 31, 2027 and 50,000 RSUs will vest on May 31, 2028, subject to the Reporting Person's continued service through the applicable vesting date. 50,000 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 50,000 vested RSUs on May 31, 2026.

F2 · price: Each RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

SEC source: 0001628280-26-039954 · wk-form4_1780437390.xml · nonDerivative · entry 2

Levin Jonathan Reisin · CIK 0001701471 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 636,086

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 · kind: Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2024. 24,242 RSUs vested on May 31, 2025, 24,242 RSUs vested on May 31, 2026 and 24,243 RSUs will vest on May 31, 2027, subject to the Reporting Person's continued service through the applicable vesting date. 24,242 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 24,242 vested RSUs on May 31, 2026.

F2 · price: Each RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

SEC source: 0001628280-26-039954 · wk-form4_1780437390.xml · nonDerivative · entry 1

Levin Jonathan Reisin · CIK 0001701471 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 611,844

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 · kind: Represents restricted stock units ("RSUs") that were granted under the Issuer's 2020 Incentive Award Plan on March 1, 2023. 25,000 RSUs vested on May 31, 2024, 25,000 RSUs vested on May 31, 2025 and 25,000 RSUs vested on May 31, 2026. 25,000 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 25,000 vested RSUs on May 31, 2026.

F2 · price: Each RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

SEC source: 0001628280-26-039953 · wk-form4_1780437364.xml · derivative · entry 7

Bentley Pamela L · CIK 0001610089 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,167

Underlying: Class A Common Stock · 12,083 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 RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

F4 · derivative.exercise_date: Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2025. 12,083 RSUs vested on May 31, 2026, 12,083 RSUs will vest on May 31, 2027 and 12,084 RSUs will vest on May 31, 2028, subject to the Reporting Person's continued service through the applicable vesting date. 12,083 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 12,083 vested RSUs on May 31, 2026.

F4 · derivative.expiration_date: Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2025. 12,083 RSUs vested on May 31, 2026, 12,083 RSUs will vest on May 31, 2027 and 12,084 RSUs will vest on May 31, 2028, subject to the Reporting Person's continued service through the applicable vesting date. 12,083 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 12,083 vested RSUs on May 31, 2026.

SEC source: 0001628280-26-039953 · wk-form4_1780437364.xml · derivative · entry 6

Bentley Pamela L · CIK 0001610089 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,163

Underlying: Class A Common Stock · 16,161 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 RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

F3 · derivative.exercise_date: Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2024. 16,161 RSUs vested on May 31, 2025, 16,161 RSUs vested on May 31, 2026 and 16,163 RSUs will vest on May 31, 2027, subject to the Reporting Person's continued service through the applicable vesting date. 16,161 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 16,161 vested RSUs on May 31, 2026.

F3 · derivative.expiration_date: Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2024. 16,161 RSUs vested on May 31, 2025, 16,161 RSUs vested on May 31, 2026 and 16,163 RSUs will vest on May 31, 2027, subject to the Reporting Person's continued service through the applicable vesting date. 16,161 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 16,161 vested RSUs on May 31, 2026.

SEC source: 0001628280-26-039953 · wk-form4_1780437364.xml · derivative · entry 5

Bentley Pamela L · CIK 0001610089 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 16,668 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 RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

F1 · derivative.exercise_date: Represents restricted stock units ("RSUs") that were granted under the Issuer's 2020 Incentive Award Plan on March 1, 2023. 16,666 RSUs vested on May 31, 2024, 16,666 RSUs vested on May 31, 2025 and 16,668 RSUs vested on May 31, 2026. 16,668 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 16,668 vested RSUs on May 31, 2026.

F1 · derivative.expiration_date: Represents restricted stock units ("RSUs") that were granted under the Issuer's 2020 Incentive Award Plan on March 1, 2023. 16,666 RSUs vested on May 31, 2024, 16,666 RSUs vested on May 31, 2025 and 16,668 RSUs vested on May 31, 2026. 16,668 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 16,668 vested RSUs on May 31, 2026.

SEC source: 0001628280-26-039953 · wk-form4_1780437364.xml · nonDerivative · entry 4

Bentley Pamela L · CIK 0001610089 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,397

F5 · shares: Represents shares of Class A Common Stock that have been withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of RSUs that vested on May 31, 2026. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested RSUs and do not constitute any open-market sale.

SEC source: 0001628280-26-039953 · wk-form4_1780437364.xml · nonDerivative · entry 3

Bentley Pamela L · CIK 0001610089 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,653

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 · kind: Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2025. 12,083 RSUs vested on May 31, 2026, 12,083 RSUs will vest on May 31, 2027 and 12,084 RSUs will vest on May 31, 2028, subject to the Reporting Person's continued service through the applicable vesting date. 12,083 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 12,083 vested RSUs on May 31, 2026.

F2 · price: Each RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

SEC source: 0001628280-26-039953 · wk-form4_1780437364.xml · nonDerivative · entry 2

Bentley Pamela L · CIK 0001610089 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,570

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 · kind: Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2024. 16,161 RSUs vested on May 31, 2025, 16,161 RSUs vested on May 31, 2026 and 16,163 RSUs will vest on May 31, 2027, subject to the Reporting Person's continued service through the applicable vesting date. 16,161 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 16,161 vested RSUs on May 31, 2026.

F2 · price: Each RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

SEC source: 0001628280-26-039953 · wk-form4_1780437364.xml · nonDerivative · entry 1

Bentley Pamela L · CIK 0001610089 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,409

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 · kind: Represents restricted stock units ("RSUs") that were granted under the Issuer's 2020 Incentive Award Plan on March 1, 2023. 16,666 RSUs vested on May 31, 2024, 16,666 RSUs vested on May 31, 2025 and 16,668 RSUs vested on May 31, 2026. 16,668 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 16,668 vested RSUs on May 31, 2026.

F2 · price: Each RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

SEC source: 0001628280-26-036968 · wk-form4_1779311894.xml · nonDerivative · entry 2

SULLIVAN KATHLEEN PATRICIA · CIK 0001684847 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,006

F1 · shares: Reflects charitable donation made by the Reporting Person.

SEC source: 0001628280-26-036968 · wk-form4_1779311894.xml · nonDerivative · entry 1

SULLIVAN KATHLEEN PATRICIA · CIK 0001684847 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,006

F1 · shares: Reflects charitable donation made by the Reporting Person.

SEC source: 0001628280-26-025869 · wk-form4_1776461062.xml · derivative · entry 3

SULLIVAN KATHLEEN PATRICIA · CIK 0001684847 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 7,976 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 RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.

F1 · kind: Represents Restricted Stock Units ("RSUs") that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on January 15, 2026, vested in full on April 15, 2026 and were settled in full on April 15, 2026.

F1 · derivative.exercise_date: Represents Restricted Stock Units ("RSUs") that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on January 15, 2026, vested in full on April 15, 2026 and were settled in full on April 15, 2026.

F1 · derivative.expiration_date: Represents Restricted Stock Units ("RSUs") that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on January 15, 2026, vested in full on April 15, 2026 and were settled in full on April 15, 2026.

SEC source: 0001628280-26-025869 · wk-form4_1776461062.xml · nonDerivative · entry 2

SULLIVAN KATHLEEN PATRICIA · CIK 0001684847 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,506

F3 · kind: Represents shares of Class A Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of vested RSUs on April 15, 2026. The share withholding for tax withholding obligations does not constitute any open-market sale.

SEC source: 0001628280-26-025869 · wk-form4_1776461062.xml · nonDerivative · entry 1

SULLIVAN KATHLEEN PATRICIA · CIK 0001684847 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,980

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 · kind: Represents Restricted Stock Units ("RSUs") that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on January 15, 2026, vested in full on April 15, 2026 and were settled in full on April 15, 2026.

F2 · price: Each RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer.