PPLI

SEC source: 0001800227-25-000084 · wk-form4_1750713706.xml · derivative · entry 1

Lourd Bryan · CIK 0001325206 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,791

Underlying: Common Stock, par value $0.0001 · 6,791 shares

Expires not disclosed

F1 · security: Represents restricted stock units that vest in equal installments on each of June 18, 2026, 2027, and 2028 subject to continued service.

F1 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of June 18, 2026, 2027, and 2028 subject to continued service.

F1 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 18, 2026, 2027, and 2028 subject to continued service.

SEC source: 0001800227-25-000083 · wk-form4_1750713650.xml · derivative · entry 1

Clinton Chelsea · CIK 0001530920 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,791

Underlying: Common Stock, par value $0.0001 · 6,791 shares

Expires not disclosed

F1 · security: Represents restricted stock units that vest in equal installments on each of June 18, 2026, 2027, and 2028 subject to continued service.

F1 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of June 18, 2026, 2027, and 2028 subject to continued service.

F1 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 18, 2026, 2027, and 2028 subject to continued service.

SEC source: 0001800227-25-000079 · wk-form4_1750713411.xml · derivative · entry 1

Braham Tor · CIK 0001586400 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,791

Underlying: Common Stock, par value $0.0001 · 6,791 shares

Expires not disclosed

F1 · security: Represents restricted stock units that vest in equal installments on each of June 18, 2026, 2027, and 2028 subject to continued service.

F1 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of June 18, 2026, 2027, and 2028 subject to continued service.

F1 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 18, 2026, 2027, and 2028 subject to continued service.

SEC source: 0001800227-25-000064 · wk-form4_1750200184.xml · derivative · entry 3

SPOON ALAN G · CIK 0001018394 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,609

Underlying: Common Stock, par value $0.0001 · 1,610 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_date: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

F4 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

F5 · balance_after: On March 31, 2025, IAC completed the spin-off of its ownership in Angi Inc. by means of a special dividend of all of the shares of Class A Common Stock then held by IAC to holders of its common stock and Class B common stock (the "Angi Spin"). The amount of unvested restricted stock units reported on this Form 4 have been adjusted to reflect the Angi Spin.

SEC source: 0001800227-25-000064 · wk-form4_1750200184.xml · nonDerivative · entry 1

SPOON ALAN G · CIK 0001018394 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 241,172

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 · security: Reflects shares of IAC common stock received upon the vesting of restricted stock units (see footnote 4 below).

F2 · balance_after: lncludes: (i) 105,368 shares of lAC common stock held directly by the reporting person (personally or through a trust, of which the reporting person is the grantor/sellor, sole trustee and sole beneficiary) and (ii) 135,804 share units accrued under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

SEC source: 0001800227-25-000058 · wk-form4_1750199432.xml · derivative · entry 2

Von Furstenberg Alexander · CIK 0001451171 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,609

Underlying: Common Stock, par value $0.0001 · 1,610 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

F3 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

F4 · balance_after: On March 31, 2025, IAC completed the spin-off of its ownership in Angi Inc. by means of a special dividend of all of the shares of Class A Common Stock then held by IAC to holders of its common stock and Class B common stock (the "Angi Spin"). The amount of unvested restricted stock units reported on this Form 4 have been adjusted to reflect the Angi Spin.

SEC source: 0001800227-25-000058 · wk-form4_1750199432.xml · nonDerivative · entry 1

Von Furstenberg Alexander · CIK 0001451171 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,453

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.

F1 · security: Reflects shares of IAC common stock acquired upon the vesting of restricted stock units (see footnote 3 below).

F2 · balance_after: lncludes: (i) 85,034 shares of lAC common stock held directly by the reporting person (personally or through a trust, of which the reporting person is the grantor/sellor, sole trustee and sole beneficiary) and (ii) 17,419 share units accrued under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

SEC source: 0001800227-25-000052 · wk-form4_1750197779.xml · derivative · entry 2

Hammer Bonnie S · CIK 0001438260 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,609

Underlying: Common Stock, par value $0.0001 · 1,610 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_date: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

F2 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

F3 · balance_after: On March 31, 2025, IAC completed the spin-off of its ownership in Angi Inc. by means of a special dividend of all of the shares of Class A Common Stock then held by IAC to holders of its common stock and Class B common stock (the "Angi Spin"). The amount of unvested restricted stock units reported on this Form 4 have been adjusted to reflect the Angi Spin.

SEC source: 0001800227-25-000052 · wk-form4_1750197779.xml · nonDerivative · entry 1

Hammer Bonnie S · CIK 0001438260 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,464

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 · security: Reflects shares of IAC common stock received upon the vesting of restricted stock units (see footnote 2 below).

SEC source: 0001800227-25-000056 · wk-form4_1750198806.xml · derivative · entry 2

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,609

Underlying: Common Stock, par value $0.0001 · 1,610 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

F3 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

F4 · balance_after: On March 31, 2025, IAC completed the spin-off of its ownership in Angi Inc. by means of a special dividend of all of the shares of Class A Common Stock then held by IAC to holders of its common stock and Class B common stock (the "Angi Spin"). The amount of unvested restricted stock units reported on this Form 4 have been adjusted to reflect the Angi Spin.

SEC source: 0001800227-25-000056 · wk-form4_1750198806.xml · nonDerivative · entry 1

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,499

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 · security: Reflects shares of IAC common stock acquired upon the vesting of restricted stock units (see footnote 3 below).

F2 · balance_after: lncludes: (i) 58,506 shares of lAC common stock held directly by the reporting person (personally or through a trust, of which the reporting person is the grantor/sellor, sole trustee and sole beneficiary) and (ii) 25,993 share units accrued under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

SEC source: 0001800227-25-000050 · wk-form4_1750197459.xml · derivative · entry 2

ZANNINO RICHARD F · CIK 0001189770 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,609

Underlying: Common Stock, par value $0.0001 · 1,610 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_date: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

F2 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

F3 · balance_after: On March 31, 2025, IAC completed the spin-off of its ownership in Angi Inc. by means of a special dividend of all of the shares of Class A Common Stock then held by IAC to holders of its common stock and Class B common stock (the "Angi Spin"). The amount of unvested restricted stock units reported on this Form 4 have been adjusted to reflect the Angi Spin.

SEC source: 0001800227-25-000050 · wk-form4_1750197459.xml · nonDerivative · entry 1

ZANNINO RICHARD F · CIK 0001189770 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,230

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 · security: Reflects shares of IAC common stock acquired upon the vesting of restricted stock units (see footnote 2 below).

SEC source: 0001800227-25-000060 · wk-form4_1750199710.xml · derivative · entry 2

EISNER MICHAEL D · CIK 0001205854 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,609

Underlying: Common Stock, par value $0.0001 · 1,610 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

F3 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

F4 · balance_after: On March 31, 2025, IAC completed the spin-off of its ownership in Angi Inc. by means of a special dividend of all of the shares of Class A Common Stock then held by IAC to holders of its common stock and Class B common stock (the "Angi Spin"). The amount of unvested restricted stock units reported on this Form 4 have been adjusted to reflect the Angi Spin.

SEC source: 0001800227-25-000060 · wk-form4_1750199710.xml · nonDerivative · entry 1

EISNER MICHAEL D · CIK 0001205854 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 169,111

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 · security: Reflects shares of IAC common stock acquired upon the vesting of restricted stock units (see footnote 3 below).

F2 · balance_after: lncludes: (i) 166,092 shares of lAC common stock held directly by the reporting person (personally or through a trust, of which the reporting person is the grantor/sellor, sole trustee and sole beneficiary) and (ii) 3,019 share units accrued under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

SEC source: 0001800227-25-000062 · wk-form4_1750199962.xml · derivative · entry 2

Lourd Bryan · CIK 0001325206 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,609

Underlying: Common Stock, par value $0.0001 · 1,610 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

F3 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

F4 · balance_after: On March 31, 2025, IAC completed the spin-off of its ownership in Angi Inc. by means of a special dividend of all of the shares of Class A Common Stock then held by IAC to holders of its common stock and Class B common stock (the "Angi Spin"). The amount of unvested restricted stock units reported on this Form 4 have been adjusted to reflect the Angi Spin.

SEC source: 0001800227-25-000062 · wk-form4_1750199962.xml · nonDerivative · entry 1

Lourd Bryan · CIK 0001325206 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 168,580

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 · security: Reflects shares of IAC common stock received upon the vesting of restricted stock units (see footnote 3 below).

F2 · balance_after: lncludes: (i) 44,916 shares of lAC common stock held directly by the reporting person (personally or through a trust, of which the reporting person is the grantor/sellor, sole trustee and sole beneficiary) and (ii) 123,664 share units accrued under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

SEC source: 0001800227-25-000054 · wk-form4_1750198165.xml · derivative · entry 2

Clinton Chelsea · CIK 0001530920 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,609

Underlying: Common Stock, par value $0.0001 · 1,610 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

F3 · derivative.expiration_date: Represents restricted stock units that vest in equal installments on each of June 15, 2024, 2025, and 2026 subject to continued service.

F4 · balance_after: On March 31, 2025, IAC completed the spin-off of its ownership in Angi Inc. by means of a special dividend of all of the shares of Class A Common Stock then held by IAC to holders of its common stock and Class B common stock (the "Angi Spin"). The amount of unvested restricted stock units reported on this Form 4 have been adjusted to reflect the Angi Spin.

SEC source: 0001800227-25-000054 · wk-form4_1750198165.xml · nonDerivative · entry 1

Clinton Chelsea · CIK 0001530920 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,209

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 · security: Reflects shares of IAC common stock acquired upon the vesting of restricted stock units (see footnote 3 below).

F2 · balance_after: Includes: (i) 50,581 shares of lAC common stock held directly by the reporting person and (ii) 28,628 share units accrued under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

SEC source: 0001800227-25-000047 · wk-form4_1749846969.xml · derivative · entry 3

SPOON ALAN G · CIK 0001018394 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,152

Underlying: Common Stock, par value $0.0001 · 2,076 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 · security: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F4 · derivative.exercise_date: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F4 · derivative.expiration_date: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F5 · balance_after: On March 31, 2025, IAC completed the spin-off of its ownership in Angi Inc. by means of a special dividend of all of the shares of Class A Common Stock then held by IAC to holders of its common stock and Class B common stock (the "Angi Spin"). The amount of unvested restricted stock units reported on this Form 4 have been adjusted to reflect the Angi Spin.

SEC source: 0001800227-25-000047 · wk-form4_1749846969.xml · nonDerivative · entry 1

SPOON ALAN G · CIK 0001018394 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 239,562

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 · security: Reflects shares of IAC common stock received upon the vesting of restricted stock units (see footnote 4 below).

F2 · balance_after: Includes: (i) 103,758 shares of IAC common stock, par value $0.0001, held directly by the reporting person and (ii) 135,804 share units accrued under IAC's Non-Employee Director Deferred Compensation Plans as of the date of this report.

SEC source: 0001800227-25-000048 · wk-form4_1749847198.xml · derivative · entry 2

Seferian Maria · CIK 0001874845 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,152

Underlying: Common Stock, par value $0.0001 · 2,076 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F3 · derivative.exercise_date: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F3 · derivative.expiration_date: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F4 · balance_after: On March 31, 2025, IAC completed the spin-off of its ownership in Angi Inc. by means of a special dividend of all of the shares of Class A Common Stock then held by IAC to holders of its common stock and Class B common stock (the "Angi Spin"). The amount of unvested restricted stock units reported on this Form 4 have been adjusted to reflect the Angi Spin.

SEC source: 0001800227-25-000048 · wk-form4_1749847198.xml · nonDerivative · entry 1

Seferian Maria · CIK 0001874845 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,057

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 · security: Reflects shares of IAC common stock acquired upon the vesting of restricted stock units (see footnote 3 below).

F2 · balance_after: Includes: (i) 3,785 shares of IAC common stock held directly by the reporting person and (ii) 272 share units acquired under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

SEC source: 0001800227-25-000044 · wk-form4_1749846332.xml · derivative · entry 2

Von Furstenberg Alexander · CIK 0001451171 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,152

Underlying: Common Stock, par value $0.0001 · 2,076 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F3 · derivative.exercise_date: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F3 · derivative.expiration_date: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F4 · balance_after: On March 31, 2025, IAC completed the spin-off of its ownership in Angi Inc. by means of a special dividend of all of the shares of Class A Common Stock then held by IAC to holders of its common stock and Class B common stock (the "Angi Spin"). The amount of unvested restricted stock units reported on this Form 4 have been adjusted to reflect the Angi Spin.

SEC source: 0001800227-25-000044 · wk-form4_1749846332.xml · nonDerivative · entry 1

Von Furstenberg Alexander · CIK 0001451171 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,843

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 · security: Reflects shares of IAC common stock acquired upon the vesting of restricted stock units (see footnote 3 below).

F2 · balance_after: Includes: (i) 83,424 shares of IAC common stock held directly by the reporting person and (ii) 17,419 share units accrued under IAC's Non-Employee Director Deferred Compensation Plans as of the date of this report.

SEC source: 0001800227-25-000042 · wk-form4_1749845752.xml · derivative · entry 2

Hammer Bonnie S · CIK 0001438260 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,152

Underlying: Common Stock, par value $0.0001 · 2,076 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 · security: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F2 · derivative.exercise_date: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F2 · derivative.expiration_date: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F3 · balance_after: On March 31, 2025, IAC completed the spin-off of its ownership in Angi Inc. by means of a special dividend of all of the shares of Class A Common Stock then held by IAC to holders of its common stock and Class B common stock (the "Angi Spin"). The amount of unvested restricted stock units reported on this Form 4 have been adjusted to reflect the Angi Spin.

SEC source: 0001800227-25-000042 · wk-form4_1749845752.xml · nonDerivative · entry 1

Hammer Bonnie S · CIK 0001438260 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,854

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 · security: Reflects shares of IAC common stock received upon the vesting of restricted stock units (see footnote 2 below).

SEC source: 0001800227-25-000045 · wk-form4_1749846480.xml · derivative · entry 2

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,152

Underlying: Common Stock, par value $0.0001 · 2,076 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F3 · derivative.exercise_date: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F3 · derivative.expiration_date: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F4 · balance_after: On March 31, 2025, IAC completed the spin-off of its ownership in Angi Inc. by means of a special dividend of all of the shares of Class A Common Stock then held by IAC to holders of its common stock and Class B common stock (the "Angi Spin"). The amount of unvested restricted stock units reported on this Form 4 have been adjusted to reflect the Angi Spin.

SEC source: 0001800227-25-000045 · wk-form4_1749846480.xml · nonDerivative · entry 1

ROSENBLATT DAVID S · CIK 0001237860 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,889

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 · security: Reflects shares of IAC common stock acquired upon the vesting of restricted stock units (see footnote 3 below).

F2 · balance_after: Includes: (i) 56,896 shares of IAC common stock, par value $0.0001, held directly by the reporting person and (ii) 25,993 share units accrued under IAC's Non-Employee Director Deferred Compensation plans as of the date of this report.

SEC source: 0001800227-25-000043 · wk-form4_1749845985.xml · derivative · entry 2

ZANNINO RICHARD F · CIK 0001189770 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,152

Underlying: Common Stock, par value $0.0001 · 2,076 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 · security: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F2 · derivative.exercise_date: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F2 · derivative.expiration_date: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F3 · balance_after: On March 31, 2025, IAC completed the spin-off of its ownership in Angi Inc. by means of a special dividend of all of the shares of Class A Common Stock then held by IAC to holders of its common stock and Class B common stock (the "Angi Spin"). The amount of unvested restricted stock units reported on this Form 4 have been adjusted to reflect the Angi Spin.

SEC source: 0001800227-25-000043 · wk-form4_1749845985.xml · nonDerivative · entry 1

ZANNINO RICHARD F · CIK 0001189770 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,620

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 · security: Reflects shares of IAC common stock acquired upon the vesting of restricted stock units (see footnote 2 below).

SEC source: 0001800227-25-000041 · wk-form4_1749845525.xml · derivative · entry 3

EISNER MICHAEL D · CIK 0001205854 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,152

Underlying: Common Stock, par value $0.0001 · 2,076 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F3 · derivative.exercise_date: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F3 · derivative.expiration_date: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F4 · balance_after: On March 31, 2025, IAC completed the spin-off of its ownership in Angi Inc. by means of a special dividend of all of the shares of Class A Common Stock then held by IAC to holders of its common stock and Class B common stock (the "Angi Spin"). The amount of unvested restricted stock units reported on this Form 4 have been adjusted to reflect the Angi Spin.

SEC source: 0001800227-25-000041 · wk-form4_1749845525.xml · nonDerivative · entry 1

EISNER MICHAEL D · CIK 0001205854 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 167,501

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 · security: Reflects shares of IAC common stock acquired upon the vesting of restricted stock units (see footnote 3 below).

F2 · balance_after: lncludes: (i) 164,482 shares of lAC common stock held directly by the reporting person (personally or through a trust, of which the reporting person is the grantor/sellor, sole trustee and sole beneficiary) and (ii) 3,019 share units accrued under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

SEC source: 0001800227-25-000046 · wk-form4_1749846816.xml · derivative · entry 2

Lourd Bryan · CIK 0001325206 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,152

Underlying: Common Stock, par value $0.0001 · 2,076 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F3 · derivative.exercise_date: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F3 · derivative.expiration_date: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F4 · balance_after: On March 31, 2025, IAC completed the spin-off of its ownership in Angi Inc. by means of a special dividend of all of the shares of Class A Common Stock then held by IAC to holders of its common stock and Class B common stock (the "Angi Spin"). The amount of unvested restricted stock units reported on this Form 4 have been adjusted to reflect the Angi Spin.

SEC source: 0001800227-25-000046 · wk-form4_1749846816.xml · nonDerivative · entry 1

Lourd Bryan · CIK 0001325206 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 166,970

F1 · security: Reflects shares of IAC common stock received upon the vesting of restricted stock units (see footnote 3 below).

F2 · balance_after: lncludes: (i) 43,306 shares of lAC common stock held directly by the reporting person (personally or through a trust, of which the reporting person is the grantor/sellor, sole trustee and sole beneficiary) and (ii) 123,664 share units accrued under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

SEC source: 0001800227-25-000040 · wk-form4_1749845196.xml · derivative · entry 2

Clinton Chelsea · CIK 0001530920 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,152

Underlying: Common Stock, par value $0.0001 · 2,076 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F3 · derivative.exercise_date: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F3 · derivative.expiration_date: Represents restricted stock units that vest in equal installments beginning on June 11, 2025, on each of June 11, 2025, 2026, and 2027, subject to continued service.

F4 · balance_after: On March 31, 2025, IAC completed the spin-off of its ownership in Angi Inc. by means of a special dividend of all of the shares of Class A Common Stock then held by IAC to holders of its common stock and Class B common stock (the "Angi Spin"). The amount of unvested restricted stock units reported on this Form 4 have been adjusted to reflect the Angi Spin.

SEC source: 0001800227-25-000040 · wk-form4_1749845196.xml · nonDerivative · entry 1

Clinton Chelsea · CIK 0001530920 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,599

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 · security: Reflects shares of IAC common stock acquired upon the vesting of restricted stock units (see footnote 3 below).

F2 · balance_after: Includes: (i) 48,971 shares of lAC common stock held directly by the reporting person and (ii) 28,628 share units accrued under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

SEC source: 0001104659-25-031267 · tm2511280-4_4seq1.xml · nonDerivative · entry 1

Seferian Maria · CIK 0001874845 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,981

F1 · security: Represents share units accured under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

F1 · shares: Represents share units accured under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

F2 · balance_after: Includes: (i) 1,709 shares of IAC common stock held directly by the reporting person and (ii) 272 share units accured under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

SEC source: 0001104659-25-031257 · tm2511280-2_4seq1.xml · nonDerivative · entry 1

EISNER MICHAEL D · CIK 0001205854 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 165,425

F1 · security: Represents share units accrued under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

F1 · kind: Represents share units accrued under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

F2 · balance_after: Includes: (i) 162,406 shares of lAC common stock held directly by the reporting person (personally or through a trust, of which the reporting person is the grantor/sellor, sole trustee and sole beneficiary) and (ii) 3,019 share units accrued under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

SEC source: 0001104659-25-031260 · tm2511280-3_4seq1.xml · nonDerivative · entry 1

Lourd Bryan · CIK 0001325206 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 164,894

F1 · security: Represents share units accrued under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

F1 · shares: Represents share units accrued under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

F2 · balance_after: Includes: (i) 41,230 shares of IAC common stock held directly by the reporting person and (ii) 123,664 share units accrued under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

SEC source: 0001104659-25-031254 · tm2511280-1_4seq1.xml · nonDerivative · entry 1

Clinton Chelsea · CIK 0001530920 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,523

F1 · security: Represents share units accrued under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

F1 · kind: Represents share units accrued under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

F2 · balance_after: Includes: (i) 46,895 shares of lAC common stock held directly by the reporting person and (ii) 28,628 share units accrued under the Non-Employee Director Deferred Compensation Plan as of the date of this report.

SEC source: 0001104659-25-021768 · tm258511-1_4seq1.xml · derivative · entry 7

Diller Barry · CIK 0000927067 · Director · Chairman & Senior Executive

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.0001 · 500,000 shares

Expires 2025-03-29

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 · security: Represents vested stock options.

F3 · derivative.exercise_date: Represents vested stock options.

F3 · derivative.expiration_date: Represents vested stock options.

SEC source: 0001104659-25-021768 · tm258511-1_4seq1.xml · derivative · entry 6

Diller Barry · CIK 0000927067 · Director · Chairman & Senior Executive

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.0001 · 500,000 shares

Expires 2025-03-29

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 · security: Represents vested stock options.

F3 · derivative.exercise_date: Represents vested stock options.

F3 · derivative.expiration_date: Represents vested stock options.

SEC source: 0001104659-25-021768 · tm258511-1_4seq1.xml · nonDerivative · entry 4

Diller Barry · CIK 0000927067 · Director · Chairman & Senior Executive

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 467,445

SEC source: 0001104659-25-021768 · tm258511-1_4seq1.xml · nonDerivative · entry 3

Diller Barry · CIK 0000927067 · Director · Chairman & Senior Executive

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 472,445

F2 · security: Represents shares of IAC common stock withheld to cover exercise price and tax obligations.

F2 · kind: Represents shares of IAC common stock withheld to cover exercise price and tax obligations.

SEC source: 0001104659-25-021768 · tm258511-1_4seq1.xml · nonDerivative · entry 2

Diller Barry · CIK 0000927067 · Director · Chairman & Senior Executive

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,172,708

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 · security: Represents shares of IAC common stock acquired upon the exercise of stock options.

F1 · kind: Represents shares of IAC common stock acquired upon the exercise of stock options.

SEC source: 0001104659-25-021768 · tm258511-1_4seq1.xml · nonDerivative · entry 1

Diller Barry · CIK 0000927067 · Director · Chairman & Senior Executive

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 672,708

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 · security: Represents shares of IAC common stock acquired upon the exercise of stock options.

F1 · kind: Represents shares of IAC common stock acquired upon the exercise of stock options.

SEC source: 0001104659-25-015147 · tm257040-2_4seq1.xml · derivative · entry 4

KAUFMAN VICTOR · CIK 0001184234 · Director · Vice Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.0001 · 27,752 shares

Expires 2025-02-15

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 · security: Represents restricted stock units that vested on February 15, 2025, subject to continued service.

F4 · kind: Represents restricted stock units that vested on February 15, 2025, subject to continued service.

F4 · derivative.exercise_date: Represents restricted stock units that vested on February 15, 2025, subject to continued service.

F4 · derivative.expiration_date: Represents restricted stock units that vested on February 15, 2025, subject to continued service.

SEC source: 0001104659-25-015147 · tm257040-2_4seq1.xml · nonDerivative · entry 2

KAUFMAN VICTOR · CIK 0001184234 · Director · Vice Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,617

F2 · security: Represents shares of lAC common stock withheld to cover the payment of taxes due in connection with the vesting of restricted stock units (see footnote 4 below).

F2 · kind: Represents shares of lAC common stock withheld to cover the payment of taxes due in connection with the vesting of restricted stock units (see footnote 4 below).

SEC source: 0001104659-25-015147 · tm257040-2_4seq1.xml · nonDerivative · entry 1

KAUFMAN VICTOR · CIK 0001184234 · Director · Vice Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,698

F1 · security: Represents shares of IAC common stock acquired upon the vesting of restricted stock units (see footnote 4 below).

F1 · kind: Represents shares of IAC common stock acquired upon the vesting of restricted stock units (see footnote 4 below).