MAX

SEC source: 0001818383-23-000124 · wk-form4_1695068096.xml · nonDerivative · entry 1

Yi Steven · CIK 0001829946 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,804,133

F1 · shares: Consists of restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's Omnibus Incentive Plan in lieu of cash salary, pursuant to the Second Amendment to Amended and Restated Employment Agreement dated August 1, 2023. Each RSU represents a contingent right to receive one share of Class A Common Stock upon vesting. All such RSUs will vest on December 15, 2023, subject to continued employment with the Issuer through the applicable vesting date.

SEC source: 0001818383-23-000122 · wk-form4_1695068008.xml · nonDerivative · entry 1

Nonko Eugene · CIK 0001830016 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,310,303

F1 · shares: Consists of restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's Omnibus Incentive Plan in lieu of cash salary, pursuant to the Second Amendment to Amended and Restated Employment Agreement dated August 1, 2023. Each RSU represents a contingent right to receive one share of Class A Common Stock upon vesting. All such RSUs will vest on December 15, 2023, subject to continued employment with the Issuer through the applicable vesting date.

SEC source: 0001818383-23-000120 · wk-form4_1692307047.xml · derivative · entry 8

Thompson Patrick Ryan · CIK 0001897386 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,947

Underlying: Class A Common Stock · 9,772 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.

F5 · derivative.exercise_price: Consists of RSUs granted to the Reporting Person on December 6, 2021 pursuant to the Issuer's Omnibus Incentive Plan, each of which represents a contingent right to receive one share of the Issuer's Class A Common Stock, or at the option of the Compensation Committee, cash of equivalent value, upon vesting.

F7 · derivative.exercise_date: One quarter of such RSUs vested on November 15, 2022, and the remainder will vest quarterly through November 15, 2025, in each case subject to the Reporting Person's continued employment with the Issuer through the applicable vesting date.

F7 · derivative.expiration_date: One quarter of such RSUs vested on November 15, 2022, and the remainder will vest quarterly through November 15, 2025, in each case subject to the Reporting Person's continued employment with the Issuer through the applicable vesting date.

SEC source: 0001818383-23-000120 · wk-form4_1692307047.xml · derivative · entry 7

Thompson Patrick Ryan · CIK 0001897386 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 18,748 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.

F5 · derivative.exercise_price: Consists of RSUs granted to the Reporting Person on December 6, 2021 pursuant to the Issuer's Omnibus Incentive Plan, each of which represents a contingent right to receive one share of the Issuer's Class A Common Stock, or at the option of the Compensation Committee, cash of equivalent value, upon vesting.

F6 · derivative.exercise_date: 18.8% of such RSUs vested quarterly on February 15, 2022, May 15, 2022 and August 15, 2022, and the remainder will vest quarterly through August 15, 2023, in each case subject to the Reporting Person's continued employment with the Issuer through the applicable vesting date.

F6 · derivative.expiration_date: 18.8% of such RSUs vested quarterly on February 15, 2022, May 15, 2022 and August 15, 2022, and the remainder will vest quarterly through August 15, 2023, in each case subject to the Reporting Person's continued employment with the Issuer through the applicable vesting date.

SEC source: 0001818383-23-000120 · wk-form4_1692307047.xml · nonDerivative · entry 6

Thompson Patrick Ryan · CIK 0001897386 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 404,443

F4 · shares: Represents shares withheld automatically by the Issuer to cover required tax withholding obligations due at settlement of RSUs.

SEC source: 0001818383-23-000120 · wk-form4_1692307047.xml · nonDerivative · entry 5

Thompson Patrick Ryan · CIK 0001897386 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 408,289

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 · price: One share of Class A Common Stock was issued upon the vesting of each Restricted Stock Unit ("RSU").

SEC source: 0001818383-23-000120 · wk-form4_1692307047.xml · nonDerivative · entry 4

Thompson Patrick Ryan · CIK 0001897386 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 398,517

F4 · shares: Represents shares withheld automatically by the Issuer to cover required tax withholding obligations due at settlement of RSUs.

SEC source: 0001818383-23-000120 · wk-form4_1692307047.xml · nonDerivative · entry 3

Thompson Patrick Ryan · CIK 0001897386 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 404,874

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 · price: One share of Class A Common Stock was issued upon the vesting of each Restricted Stock Unit ("RSU").

SEC source: 0001818383-23-000120 · wk-form4_1692307047.xml · nonDerivative · entry 2

Thompson Patrick Ryan · CIK 0001897386 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 386,126

F2 · shares: Represents shares withheld automatically by the Issuer to cover required tax withholding obligations due at settlement of restricted stock units previously reported in Table I as Class A Common Stock.

SEC source: 0001818383-23-000118 · wk-form4_1692306713.xml · derivative · entry 11

COYNE JEFFREY B · CIK 0001213184 · GENERAL COUNSEL AND SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,075

Underlying: Class A Common Stock · 510 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.

F9 · derivative.exercise_price: Represents grant of RSUs under the Issuer's Omnibus Equity Incentive Plan granted August 15, 2021.

F10 · derivative.exercise_date: One quarter of the RSUs vested on August 15, 2022 and the remainder will vest quarterly over the following three years, in each case subject to continued employment with the Issuer through each vesting date.

F10 · derivative.expiration_date: One quarter of the RSUs vested on August 15, 2022 and the remainder will vest quarterly over the following three years, in each case subject to continued employment with the Issuer through each vesting date.

SEC source: 0001818383-23-000118 · wk-form4_1692306713.xml · derivative · entry 10

COYNE JEFFREY B · CIK 0001213184 · GENERAL COUNSEL AND SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,438

Underlying: Class A Common Stock · 6,544 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.

F7 · derivative.exercise_price: Represents grant of RSUs under the Issuer's Omnibus Equity Incentive Plan granted March 15, 2022.

F8 · derivative.exercise_date: One sixteenth of the RSUs vested on May 15, 2022 and the remainder will vest quarterly over the following four years, in each case subject to continued employment with the Issuer through each vesting date.

F8 · derivative.expiration_date: One sixteenth of the RSUs vested on May 15, 2022 and the remainder will vest quarterly over the following four years, in each case subject to continued employment with the Issuer through each vesting date.

SEC source: 0001818383-23-000118 · wk-form4_1692306713.xml · derivative · entry 9

COYNE JEFFREY B · CIK 0001213184 · GENERAL COUNSEL AND SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,560

Underlying: Class A Common Stock · 1,365 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.

F5 · derivative.exercise_price: Represents grant of RSUs under the Issuer's Omnibus Equity Incentive Plan granted May 5, 2021.

F6 · derivative.exercise_date: One quarter of the RSUs vested on May 15, 2022 and the remainder will vest quarterly over the following three years, in each case subject to continued employment with the Issuer through each vesting date.

F6 · derivative.expiration_date: One quarter of the RSUs vested on May 15, 2022 and the remainder will vest quarterly over the following three years, in each case subject to continued employment with the Issuer through each vesting date.

SEC source: 0001818383-23-000118 · wk-form4_1692306713.xml · nonDerivative · entry 8

COYNE JEFFREY B · CIK 0001213184 · GENERAL COUNSEL AND SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 149,523

F4 · shares: Represents shares withheld automatically by the Issuer to cover required tax withholding obligations due at settlement of RSUs.

SEC source: 0001818383-23-000118 · wk-form4_1692306713.xml · nonDerivative · entry 7

COYNE JEFFREY B · CIK 0001213184 · GENERAL COUNSEL AND SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 149,700

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 · price: One share of Class A Common Stock was issued upon the vesting of each Restricted Stock Unit ("RSU").

SEC source: 0001818383-23-000118 · wk-form4_1692306713.xml · nonDerivative · entry 6

COYNE JEFFREY B · CIK 0001213184 · GENERAL COUNSEL AND SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 149,190

F4 · shares: Represents shares withheld automatically by the Issuer to cover required tax withholding obligations due at settlement of RSUs.

SEC source: 0001818383-23-000118 · wk-form4_1692306713.xml · nonDerivative · entry 5

COYNE JEFFREY B · CIK 0001213184 · GENERAL COUNSEL AND SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 151,453

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 · price: One share of Class A Common Stock was issued upon the vesting of each Restricted Stock Unit ("RSU").

SEC source: 0001818383-23-000118 · wk-form4_1692306713.xml · nonDerivative · entry 4

COYNE JEFFREY B · CIK 0001213184 · GENERAL COUNSEL AND SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 144,909

F4 · shares: Represents shares withheld automatically by the Issuer to cover required tax withholding obligations due at settlement of RSUs.

SEC source: 0001818383-23-000118 · wk-form4_1692306713.xml · nonDerivative · entry 3

COYNE JEFFREY B · CIK 0001213184 · GENERAL COUNSEL AND SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 145,382

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 · price: One share of Class A Common Stock was issued upon the vesting of each Restricted Stock Unit ("RSU").

SEC source: 0001818383-23-000118 · wk-form4_1692306713.xml · nonDerivative · entry 2

COYNE JEFFREY B · CIK 0001213184 · GENERAL COUNSEL AND SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 144,017

F2 · shares: Represents shares withheld automatically by the Issuer to cover required tax withholding obligations due at settlement of restricted stock units previously reported in Table I as Class A Common Stock.

SEC source: 0001818383-23-000116 · wk-form4_1692306278.xml · derivative · entry 2

Nonko Eugene · CIK 0001830016 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 182,938

Underlying: Class A Common Stock · 18,294 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 a contingent right to receive one share of Class A Common Stock, or at the option of the Compensation Committee, cash of equivalent value.

F3 · derivative.exercise_date: One sixteenth of the RSUs vested on May 15, 2022 and the remainder will vest in equal quarterly installments through February 15, 2026, in each case subject to continued employment with the Issuer through each vesting date.

F3 · derivative.expiration_date: One sixteenth of the RSUs vested on May 15, 2022 and the remainder will vest in equal quarterly installments through February 15, 2026, in each case subject to continued employment with the Issuer through each vesting date.

SEC source: 0001818383-23-000116 · wk-form4_1692306278.xml · nonDerivative · entry 1

Nonko Eugene · CIK 0001830016 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,296,203

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: One share of Class A Common Stock was issued upon the vesting of each Restricted Stock Unit ("RSU").

SEC source: 0001818383-23-000114 · wk-form4_1692306181.xml · derivative · entry 2

Yi Steven · CIK 0001829946 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 182,938

Underlying: Class A Common Stock · 18,294 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 a contingent right to receive one share of Class A Common Stock, or at the option of the Compensation Committee, cash of equivalent value.

F3 · derivative.exercise_date: One sixteenth of the RSUs vested on May 15, 2022 and the remainder will vest in equal quarterly installments through February 15, 2026, in each case subject to continued employment with the Issuer through each vesting date.

F3 · derivative.expiration_date: One sixteenth of the RSUs vested on May 15, 2022 and the remainder will vest in equal quarterly installments through February 15, 2026, in each case subject to continued employment with the Issuer through each vesting date.

SEC source: 0001818383-23-000114 · wk-form4_1692306181.xml · nonDerivative · entry 1

Yi Steven · CIK 0001829946 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,790,033

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: One share of Class A Common Stock was issued upon the vesting of each Restricted Stock Unit ("RSU").

SEC source: 0001818383-23-000103 · wk-form4_1690930844.xml · derivative · entry 2

VRABECK KATHY P · CIK 0001093166 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,316

Underlying: Class A Common Stock · 1,316 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 a contingent right to receive one share of Class A Common Stock, or at the option of the Compensation Committee, cash of equivalent value.

F3 · derivative.exercise_date: On October 30, 2020, the Reporting Person was granted 15,790 RSUs in connection with the Reporting Person's appointment to the Issuer's board of directors, which have vested or will vest quarterly over the first three years following the date of grant, subject to continued service through the applicable vesting date.

F3 · derivative.expiration_date: On October 30, 2020, the Reporting Person was granted 15,790 RSUs in connection with the Reporting Person's appointment to the Issuer's board of directors, which have vested or will vest quarterly over the first three years following the date of grant, subject to continued service through the applicable vesting date.

SEC source: 0001818383-23-000103 · wk-form4_1690930844.xml · nonDerivative · entry 1

VRABECK KATHY P · CIK 0001093166 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,391

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: One share of Class A Common Stock was issued upon the vesting of each Restricted Stock Unit ("RSU").

SEC source: 0001818383-23-000107 · wk-form4_1690930978.xml · derivative · entry 2

Yi Steven · CIK 0001829946 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 153,154

Underlying: Class A Common Stock · 153,147 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.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Class A Common Stock, or at the option of the Compensation Committee, cash of equivalent value.

F3 · derivative.exercise_date: On October 30, 2020, the Reporting Person was granted 1,837,765 RSUs, which have vested or will vest quarterly over the first three years following the date of grant, subject to continued employment with the Issuer through each vesting date.

F3 · derivative.expiration_date: On October 30, 2020, the Reporting Person was granted 1,837,765 RSUs, which have vested or will vest quarterly over the first three years following the date of grant, subject to continued employment with the Issuer through each vesting date.

SEC source: 0001818383-23-000107 · wk-form4_1690930978.xml · nonDerivative · entry 1

Yi Steven · CIK 0001829946 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,771,739

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: One share of Class A Common Stock was issued upon the vesting of each Restricted Stock Unit ("RSU").

SEC source: 0001818383-23-000105 · wk-form4_1690930918.xml · derivative · entry 2

Arasu Venmal (Raji) · CIK 0001641435 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,316

Underlying: Class A Common Stock · 1,316 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 a contingent right to receive one share of Class A Common Stock, or at the option of the Compensation Committee, cash of equivalent value.

F3 · derivative.exercise_date: On October 30, 2020, the Reporting Person was granted 15,790 RSUs in connection with the Reporting Person's appointment to the Issuer's board of directors, which have vested or will vest quarterly over the first three years following the date of grant, subject to continued service through the applicable vesting date.

F3 · derivative.expiration_date: On October 30, 2020, the Reporting Person was granted 15,790 RSUs in connection with the Reporting Person's appointment to the Issuer's board of directors, which have vested or will vest quarterly over the first three years following the date of grant, subject to continued service through the applicable vesting date.

SEC source: 0001818383-23-000105 · wk-form4_1690930918.xml · nonDerivative · entry 1

Arasu Venmal (Raji) · CIK 0001641435 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,391

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: One share of Class A Common Stock was issued upon the vesting of each Restricted Stock Unit ("RSU").

SEC source: 0001818383-23-000101 · wk-form4_1690930776.xml · derivative · entry 2

Sweet Lara · CIK 0001623689 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,316

Underlying: Class A Common Stock · 1,316 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 a contingent right to receive one share of Class A Common Stock, or at the option of the Compensation Committee, cash of equivalent value.

F3 · derivative.exercise_date: On October 30, 2020, the Reporting Person was granted 15,790 RSUs in connection with the Reporting Person's appointment to the Issuer's board of directors, which have vested or will vest quarterly over the first three years following the date of grant, subject to continued service through the applicable vesting date.

F3 · derivative.expiration_date: On October 30, 2020, the Reporting Person was granted 15,790 RSUs in connection with the Reporting Person's appointment to the Issuer's board of directors, which have vested or will vest quarterly over the first three years following the date of grant, subject to continued service through the applicable vesting date.

SEC source: 0001818383-23-000101 · wk-form4_1690930776.xml · nonDerivative · entry 1

Sweet Lara · CIK 0001623689 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,391

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: One share of Class A Common Stock was issued upon the vesting of each Restricted Stock Unit ("RSU").

SEC source: 0001818383-23-000098 · wk-form4_1690930577.xml · derivative · entry 2

Nonko Eugene · CIK 0001830016 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 153,154

Underlying: Class A Common Stock · 153,147 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.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Class A Common Stock, or at the option of the Compensation Committee, cash of equivalent value.

F3 · derivative.exercise_date: On October 30, 2020, the Reporting Person was granted 1,837,765 RSUs, which have vested or will vest quarterly over the first three years following the date of grant, subject to continued employment with the Issuer through each vesting date.

F3 · derivative.expiration_date: On October 30, 2020, the Reporting Person was granted 1,837,765 RSUs, which have vested or will vest quarterly over the first three years following the date of grant, subject to continued employment with the Issuer through each vesting date.

SEC source: 0001818383-23-000098 · wk-form4_1690930577.xml · nonDerivative · entry 1

Nonko Eugene · CIK 0001830016 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,277,909

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: One share of Class A Common Stock was issued upon the vesting of each Restricted Stock Unit ("RSU").

SEC source: 0001062993-23-014208 · form4.xml · nonDerivative · entry 1

WHITE MOUNTAINS INSURANCE GROUP LTD · CIK 0000776867 · Director · 10% owner

WM Hinson (Bermuda) Ltd. · CIK 0001979065 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 22,856,814

F1 · kind: On June 30, 2023, White Mountains Insurance Group, Ltd. ("WMIG"), through its wholly-owned, direct subsidiary, WM Hinson (Bermuda) Ltd. ("WM Hinson"), accepted for purchase shares of the class A common stock of MediaAlpha, Inc. ("Shares") through a fixed-price tender offer.

F2 · ownership.nature: WMIG owns 900,000 Shares directly and owns 21,956,814 Shares indirectly. Of the Shares owned indirectly by WMIG, 5,916,816 Shares are owned directly by WMIG's direct subsidiary, WM Hinson, and 16,039,998 Shares are held directly by White Mountains Investments (Luxembourg) S.a' r.l., a direct subsidiary of WM Birkdale, Ltd., a direct subsidiary of WMIG.

SEC source: 0001818383-23-000091 · wf-form4_168479182030445.xml · nonDerivative · entry 1

VRABECK KATHY P · CIK 0001093166 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,075

F1 · shares: Consists of restricted stock units granted to the Reporting Person under the Issuer's Omnibus Incentive Plan, in connection with the Reporting Person's service on the Issuer's board of directors. Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock upon vesting. All such restricted stock units will vest on the earlier of the first anniversary of the grant date or the date of the Issuer's 2024 Annual Meeting, subject to the Reporting Person's continued service through the applicable vesting date.

SEC source: 0001818383-23-000090 · wf-form4_168479180602128.xml · nonDerivative · entry 1

Sweet Lara · CIK 0001623689 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,075

F1 · shares: Consists of restricted stock units granted to the Reporting Person under the Issuer's Omnibus Incentive Plan, in connection with the Reporting Person's service on the Issuer's board of directors. Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock upon vesting. All such restricted stock units will vest on the earlier of the first anniversary of the grant date or the date of the Issuer's 2024 Annual Meeting, subject to the Reporting Person's continued service through the applicable vesting date.

SEC source: 0001818383-23-000089 · wf-form4_168479178175248.xml · nonDerivative · entry 1

Arasu Venmal (Raji) · CIK 0001641435 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,075

F1 · shares: Consists of restricted stock units granted to the Reporting Person under the Issuer's Omnibus Incentive Plan, in connection with the Reporting Person's service on the Issuer's board of directors. Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock upon vesting. All such restricted stock units will vest on the earlier of the first anniversary of the grant date or the date of the Issuer's 2024 Annual Meeting, subject to the Reporting Person's continued service through the applicable vesting date.

SEC source: 0001818383-23-000082 · wf-form4_168434524079083.xml · derivative · entry 6

Thompson Patrick Ryan · CIK 0001897386 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 97,719

Underlying: Class A Common Stock · 9,772 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: Consists of RSUs granted to the Reporting Person on December 6, 2021 pursuant to the Issuer's Omnibus Incentive Plan, each of which represents a contingent right to receive one share of the Issuer's Class A Common Stock, or at the option of the Compensation Committee, cash of equivalent value, upon vesting.

F6 · derivative.exercise_date: One quarter of such RSUs vested on November 15, 2022, and the remainder will vest quarterly through November 15, 2025, in each case subject to the Reporting Person's continued employment with the Issuer through the applicable vesting date.

F6 · derivative.expiration_date: One quarter of such RSUs vested on November 15, 2022, and the remainder will vest quarterly through November 15, 2025, in each case subject to the Reporting Person's continued employment with the Issuer through the applicable vesting date.

SEC source: 0001818383-23-000082 · wf-form4_168434524079083.xml · derivative · entry 5

Thompson Patrick Ryan · CIK 0001897386 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,748

Underlying: Class A Common Stock · 18,748 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: Consists of RSUs granted to the Reporting Person on December 6, 2021 pursuant to the Issuer's Omnibus Incentive Plan, each of which represents a contingent right to receive one share of the Issuer's Class A Common Stock, or at the option of the Compensation Committee, cash of equivalent value, upon vesting.

F5 · derivative.exercise_date: 18.8% of such RSUs vested quarterly on February 15, 2022, May 15, 2022 and August 15, 2022, and the remainder will vest quarterly through August 15, 2023, in each case subject to the Reporting Person's continued employment with the Issuer through the applicable vesting date.

F5 · derivative.expiration_date: 18.8% of such RSUs vested quarterly on February 15, 2022, May 15, 2022 and August 15, 2022, and the remainder will vest quarterly through August 15, 2023, in each case subject to the Reporting Person's continued employment with the Issuer through the applicable vesting date.

SEC source: 0001818383-23-000082 · wf-form4_168434524079083.xml · nonDerivative · entry 4

Thompson Patrick Ryan · CIK 0001897386 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 394,636

F3 · shares: In accordance with the terms of the RSU grant, 2,380 shares of MediaAlpha, Inc. Class A Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001818383-23-000082 · wf-form4_168434524079083.xml · nonDerivative · entry 3

Thompson Patrick Ryan · CIK 0001897386 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 397,016

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: One share of Class A Common Stock was issued upon the vesting of each Restricted Stock Unit ("RSU").

SEC source: 0001818383-23-000082 · wf-form4_168434524079083.xml · nonDerivative · entry 2

Thompson Patrick Ryan · CIK 0001897386 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 387,244

F2 · shares: In accordance with the terms of the RSU grant, 4,566 shares of MediaAlpha, Inc. Class A Common Stock were automatically withheld at vesting to cover required tax withholding.

SEC source: 0001818383-23-000082 · wf-form4_168434524079083.xml · nonDerivative · entry 1

Thompson Patrick Ryan · CIK 0001897386 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 391,810

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: One share of Class A Common Stock was issued upon the vesting of each Restricted Stock Unit ("RSU").

SEC source: 0001818383-23-000083 · wf-form4_168434525577585.xml · derivative · entry 2

Yi Steven · CIK 0001829946 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 201,232

Underlying: Class A Common Stock · 18,293 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 a contingent right to receive one share of Class A Common Stock, or at the option of the Compensation Committee, cash of equivalent value.

F3 · derivative.exercise_date: One sixteenth of the RSUs vested on May 15, 2022 and the remainder will vest in equal quarterly installments through February 15, 2026, in each case subject to continued employment with the Issuer through each vesting date.

F3 · derivative.expiration_date: One sixteenth of the RSUs vested on May 15, 2022 and the remainder will vest in equal quarterly installments through February 15, 2026, in each case subject to continued employment with the Issuer through each vesting date.

SEC source: 0001818383-23-000083 · wf-form4_168434525577585.xml · nonDerivative · entry 1

Yi Steven · CIK 0001829946 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,618,592

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: One share of Class A Common Stock was issued upon the vesting of each Restricted Stock Unit ("RSU").

SEC source: 0001818383-23-000081 · wf-form4_168434522687608.xml · derivative · entry 2

Nonko Eugene · CIK 0001830016 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 201,232

Underlying: Class A Common Stock · 18,293 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 a contingent right to receive one share of Class A Common Stock, or at the option of the Compensation Committee, cash of equivalent value.

F3 · derivative.exercise_date: One sixteenth of the RSUs vested on May 15, 2022 and the remainder will vest in equal quarterly installments through February 15, 2026, in each case subject to continued employment with the Issuer through each vesting date.

F3 · derivative.expiration_date: One sixteenth of the RSUs vested on May 15, 2022 and the remainder will vest in equal quarterly installments through February 15, 2026, in each case subject to continued employment with the Issuer through each vesting date.

SEC source: 0001818383-23-000081 · wf-form4_168434522687608.xml · nonDerivative · entry 1

Nonko Eugene · CIK 0001830016 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,124,762

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: One share of Class A Common Stock was issued upon the vesting of each Restricted Stock Unit ("RSU").

SEC source: 0001818383-23-000080 · wf-form4_168434520956125.xml · derivative · entry 9

COYNE JEFFREY B · CIK 0001213184 · GENERAL COUNSEL AND SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,585

Underlying: Class A Common Stock · 509 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.

F9 · derivative.exercise_price: Represents grant of RSUs under the Issuer's Omnibus Equity Incentive Plan granted August 15, 2021.

F10 · derivative.exercise_date: One quarter of the RSUs vested on August 15, 2022 and the remainder will vest quarterly over the following three years, in each case subject to continued employment with the Issuer through each vesting date.

F10 · derivative.expiration_date: One quarter of the RSUs vested on August 15, 2022 and the remainder will vest quarterly over the following three years, in each case subject to continued employment with the Issuer through each vesting date.

SEC source: 0001818383-23-000080 · wf-form4_168434520956125.xml · derivative · entry 8

COYNE JEFFREY B · CIK 0001213184 · GENERAL COUNSEL AND SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,982

Underlying: Class A Common Stock · 6,543 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.

F7 · derivative.exercise_price: Represents grant of RSUs under the Issuer's Omnibus Equity Incentive Plan granted March 15, 2022.

F8 · derivative.exercise_date: One sixteenth of the RSUs vested on May 15, 2022 and the remainder will vest quarterly over the following four years, in each case subject to continued employment with the Issuer through each vesting date.

F8 · derivative.expiration_date: One sixteenth of the RSUs vested on May 15, 2022 and the remainder will vest quarterly over the following four years, in each case subject to continued employment with the Issuer through each vesting date.

SEC source: 0001818383-23-000080 · wf-form4_168434520956125.xml · derivative · entry 7

COYNE JEFFREY B · CIK 0001213184 · GENERAL COUNSEL AND SECRETARY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,925

Underlying: Class A Common Stock · 1,366 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.

F5 · derivative.exercise_price: Represents grant of RSUs under the Issuer's Omnibus Equity Incentive Plan granted May 5, 2021.

F6 · derivative.exercise_date: One quarter of the RSUs vested on May 15, 2022 and the remainder will vest quarterly over the following three years, in each case subject to continued employment with the Issuer through each vesting date.

F6 · derivative.expiration_date: One quarter of the RSUs vested on May 15, 2022 and the remainder will vest quarterly over the following three years, in each case subject to continued employment with the Issuer through each vesting date.