EFX

SEC source: 0001225208-25-008793 · doc4.xml · nonDerivative · entry 16

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Indirect · 2-yr Jun 2025 GRAT

Disclosed balance after: 22,045

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F15 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $229.7507 to $230.7266, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

SEC source: 0001225208-25-008793 · doc4.xml · nonDerivative · entry 15

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Indirect · 2-yr Jun 2025 GRAT

Disclosed balance after: 27,917

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F14 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $231.845 to $232.81, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

SEC source: 0001225208-25-008793 · doc4.xml · nonDerivative · entry 14

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Indirect · 2-yr Jun 2025 GRAT

Disclosed balance after: 33,191

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F13 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $228.73 to $229.685, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

SEC source: 0001225208-25-008793 · doc4.xml · nonDerivative · entry 13

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Indirect · 2-yr Jun 2025 GRAT

Disclosed balance after: 37,186

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F12 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $230.83 to $231.82, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

SEC source: 0001225208-25-008793 · doc4.xml · nonDerivative · entry 12

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Indirect · 2-yr Jun 2025 GRAT

Disclosed balance after: 40,517

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F11 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $232.85 to $233.80, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

SEC source: 0001225208-25-008793 · doc4.xml · nonDerivative · entry 11

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Indirect · 2-yr Jun 2025 GRAT

Disclosed balance after: 43,318

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

SEC source: 0001225208-25-008793 · doc4.xml · nonDerivative · entry 10

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Indirect · 2-yr Jun 2025 GRAT

Disclosed balance after: 43,394

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F10 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $233.88 to $234.215, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

SEC source: 0001225208-25-008793 · doc4.xml · nonDerivative · entry 9

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 142,934

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F9 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $231.735 to $232.71, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 199 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-25-008793 · doc4.xml · nonDerivative · entry 8

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 149,877

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F8 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $229.74 to $230.72, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 199 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-25-008793 · doc4.xml · nonDerivative · entry 7

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 156,516

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F7 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $228.73 to $229.72, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 199 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-25-008793 · doc4.xml · nonDerivative · entry 6

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 162,743

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F6 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $232.74 to $233.72, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 199 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-25-008793 · doc4.xml · nonDerivative · entry 5

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 166,758

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F5 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $230.74 to $231.734, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 199 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-25-008793 · doc4.xml · nonDerivative · entry 4

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 170,515

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F4 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $234.93 to $235.43, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 199 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-25-008793 · doc4.xml · nonDerivative · entry 3

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 170,719

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F3 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $233.795 to $234.215, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 199 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-25-008793 · doc4.xml · nonDerivative · entry 2

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 170,893

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 199 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-25-008793 · doc4.xml · nonDerivative · entry 1

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 170,940

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: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 199 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-25-008283 · doc4.xml · derivative · entry 1

MARCUS ROBERT D · CIK 0001225752 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,127

Underlying: Common Stock · 132 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents phantom stock units previously elected by the reporting person to be received as deferred compensation in lieu of annual cash retainer fees under the Company's Board of Directors Deferred Compensation Plan. Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable, at the election of the reporting person, upon the reporting person's termination of service as a director.

F1 · derivative.exercise_date: Represents phantom stock units previously elected by the reporting person to be received as deferred compensation in lieu of annual cash retainer fees under the Company's Board of Directors Deferred Compensation Plan. Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable, at the election of the reporting person, upon the reporting person's termination of service as a director.

F1 · derivative.expiration_date: Represents phantom stock units previously elected by the reporting person to be received as deferred compensation in lieu of annual cash retainer fees under the Company's Board of Directors Deferred Compensation Plan. Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable, at the election of the reporting person, upon the reporting person's termination of service as a director.

SEC source: 0001225208-25-007371 · doc4.xml · nonDerivative · entry 1

GAMBLE JOHN W JR · CIK 0001222712 · EVP, CFO & COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 62,202

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 5/14/2025.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date.

SEC source: 0001225208-25-006893 · doc4.xml · derivative · entry 13

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 27,959

Underlying: Common Stock · 27,960 shares

Expires 2026-02-21

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.

F8 · derivative.exercise_date: The option vested in three equal annual increments beginning 2/21/2021.

SEC source: 0001225208-25-006893 · doc4.xml · nonDerivative · entry 6

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 142,872

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F7 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $240.40 to $241.39, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

F3 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 199 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-25-006893 · doc4.xml · nonDerivative · entry 5

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 162,713

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F6 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $241.41 to $242.40, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

F3 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 199 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-25-006893 · doc4.xml · nonDerivative · entry 4

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 180,444

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F5 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $242.41 to $243.17, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

F3 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 199 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-25-006893 · doc4.xml · nonDerivative · entry 3

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 189,941

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F4 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $243.47 to $244.44, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

F3 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 199 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-25-006893 · doc4.xml · nonDerivative · entry 2

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 190,772

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F2 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $244.72 to $245.33, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

F3 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 199 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-25-006893 · doc4.xml · nonDerivative · entry 1

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 191,136

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

SEC source: 0001225208-25-006234 · doc4.xml · derivative · entry 1

MARCUS ROBERT D · CIK 0001225752 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,993

Underlying: Common Stock · 130 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents phantom stock units previously elected by the reporting person to be received as deferred compensation in lieu of annual cash retainer fees under the Company's Board of Directors Deferred Compensation Plan. Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable, at the election of the reporting person, upon the reporting person's termination of service as a director.

F1 · derivative.exercise_date: Represents phantom stock units previously elected by the reporting person to be received as deferred compensation in lieu of annual cash retainer fees under the Company's Board of Directors Deferred Compensation Plan. Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable, at the election of the reporting person, upon the reporting person's termination of service as a director.

F1 · derivative.expiration_date: Represents phantom stock units previously elected by the reporting person to be received as deferred compensation in lieu of annual cash retainer fees under the Company's Board of Directors Deferred Compensation Plan. Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable, at the election of the reporting person, upon the reporting person's termination of service as a director.

SEC source: 0001225208-25-005672 · doc4.xml · nonDerivative · entry 2

Schneider Harald · CIK 0002013260 · EVP, Chief D&A Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,753

F1 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date.

SEC source: 0001225208-25-005672 · doc4.xml · nonDerivative · entry 1

Schneider Harald · CIK 0002013260 · EVP, Chief D&A Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,631

F1 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date.

SEC source: 0001225208-25-004979 · doc4.xml · nonDerivative · entry 1

TILLMAN AUDREY B · CIK 0001422863 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,385

F1 · security: Annual director grant pursuant to the Company's long-term incentive plan. The award of restricted stock units vests 100% on 5/8/2026.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date.

SEC source: 0001225208-25-004978 · doc4.xml · nonDerivative · entry 1

Smith Melissa D · CIK 0001317498 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,541

F1 · security: Annual director grant pursuant to the Company's long-term incentive plan. The award of restricted stock units vests 100% on 5/8/2026.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date.

SEC source: 0001225208-25-004977 · doc4.xml · nonDerivative · entry 1

McKinley John A · CIK 0001445313 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,463

F1 · security: Annual director grant pursuant to the Company's long-term incentive plan. The award of restricted stock units vests 100% on 5/8/2026.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date.

SEC source: 0001225208-25-004976 · doc4.xml · nonDerivative · entry 1

MARCUS ROBERT D · CIK 0001225752 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,070

F1 · security: Annual director grant pursuant to the Company's long-term incentive plan. The award of restricted stock units vests 100% on 5/8/2026.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date.

SEC source: 0001225208-25-004975 · doc4.xml · nonDerivative · entry 1

Larson Barbara A · CIK 0001904150 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,604

F1 · security: Annual director grant pursuant to the Company's long-term incentive plan. The award of restricted stock units vests 100% on 5/8/2026.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date.

SEC source: 0001225208-25-004974 · doc4.xml · nonDerivative · entry 1

HOUGH G. THOMAS · CIK 0001640483 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,017

F1 · security: Annual director grant pursuant to the Company's long-term incentive plan. The award of restricted stock units vests 100% on 5/8/2026.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date.

SEC source: 0001225208-25-004973 · doc4.xml · nonDerivative · entry 1

Fichuk Karen L · CIK 0001964768 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,719

F1 · security: Annual director grant pursuant to the Company's long-term incentive plan. The award of restricted stock units vests 100% on 5/8/2026.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date.

SEC source: 0001225208-25-004972 · doc4.xml · nonDerivative · entry 1

FEIDLER MARK L · CIK 0001026941 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,818

F1 · security: Annual director grant pursuant to the Company's long-term incentive plan. The award of restricted stock units vests 100% on 5/8/2026.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date.

SEC source: 0001225208-25-004971 · doc4.xml · nonDerivative · entry 1

MCGREGOR SCOTT A · CIK 0001057449 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,047

F1 · security: Annual director grant pursuant to the Company's long-term incentive plan. The award of restricted stock units vests 100% on 5/8/2026.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date.

SEC source: 0001225208-25-004852 · doc4.xml · nonDerivative · entry 1

Borton Chad M · CIK 0001605786 · EVP, Pres Workforce Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,768

F1 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date.

SEC source: 0001225208-25-004851 · doc4.xml · nonDerivative · entry 1

GAMBLE JOHN W JR · CIK 0001222712 · EVP, CFO & COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,176

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/25/2024.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date.

SEC source: 0001225208-25-004666 · doc4.xml · nonDerivative · entry 1

Horvath Todd M · CIK 0001972634 · EVP, President USIS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,780

F1 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date.

SEC source: 0001225208-25-004742 · doc4.xml · derivative · entry 2

Houston Julia A · CIK 0001464568 · EVP, Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,312

Underlying: Common Stock · 2,312 shares

Expires 2035-05-01

F3 · derivative.exercise_date: Equity award granted under the Company's long-term incentive plan in connection with the reporting person's appointment to the role of Executive Vice President, Chief Legal Officer. The option vests in three equal annual increments beginning 5/1/2026.

SEC source: 0001225208-25-004742 · doc4.xml · nonDerivative · entry 1

Houston Julia A · CIK 0001464568 · EVP, Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,163

F1 · security: Equity award granted under the Company's long-term incentive plan in connection with the reporting person's appointment to the role of Executive Vice President, Chief Legal Officer. The award of restricted stock units vests 100% on 5/1/2028.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date.

SEC source: 0001225208-25-004528 · doc4.xml · derivative · entry 9

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 22,160 shares

Expires 2026-02-21

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: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F3 · derivative.exercise_date: The option vested in three equal annual increments beginning 2/21/2021.

SEC source: 0001225208-25-004528 · doc4.xml · nonDerivative · entry 2

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 142,395

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 207 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-25-004528 · doc4.xml · nonDerivative · entry 1

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 164,555

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

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 207 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-25-003769 · doc4.xml · derivative · entry 1

MARCUS ROBERT D · CIK 0001225752 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,860

Underlying: Common Stock · 139 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents phantom stock units previously elected by the reporting person to be received as deferred compensation in lieu of annual cash retainer fees under the Company's Board of Directors Deferred Compensation Plan. Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable, at the election of the reporting person, upon the reporting person's termination of service as a director.

F1 · derivative.exercise_date: Represents phantom stock units previously elected by the reporting person to be received as deferred compensation in lieu of annual cash retainer fees under the Company's Board of Directors Deferred Compensation Plan. Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable, at the election of the reporting person, upon the reporting person's termination of service as a director.

F1 · derivative.expiration_date: Represents phantom stock units previously elected by the reporting person to be received as deferred compensation in lieu of annual cash retainer fees under the Company's Board of Directors Deferred Compensation Plan. Each share of phantom stock is the economic equivalent of one share of common stock. The shares of phantom stock become payable, at the election of the reporting person, upon the reporting person's termination of service as a director.

SEC source: 0001225208-25-002679 · doc4.xml · nonDerivative · entry 1

GAMBLE JOHN W JR · CIK 0001222712 · EVP, CFO & COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 67,153

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/25/2024.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date.

SEC source: 0001225208-25-001817 · doc4.xml · derivative · entry 13

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,160

Underlying: Common Stock · 22,161 shares

Expires 2026-02-21

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: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F9 · derivative.exercise_date: The option vested in three equal annual increments beginning 2/21/2021.

SEC source: 0001225208-25-001817 · doc4.xml · nonDerivative · entry 7

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 142,243

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F8 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $251.17 to $252.14, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 147 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-25-001817 · doc4.xml · nonDerivative · entry 6

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 149,394

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/14/2024.

F7 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $250.095 to $251.03, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 147 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.