EFX

SEC source: 0001225208-26-002168 · doc4.xml · nonDerivative · entry 1

Mao Cecilia · CIK 0002009173 · EVP, Chief Product Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,623

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 11/18/2025.

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: 0001225208-26-001956 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,340

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 11/4/2025.

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: 0001225208-26-001769 · doc4.xml · nonDerivative · entry 5

Farshchi Jamil · CIK 0001732980 · EVP, Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 39,869

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 4/25/2025.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 400 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-26-001778 · doc4.xml · nonDerivative · entry 1

Walker Kathryn Q · CIK 0002062534 · EVP, Chief Mkt & Comms Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,776

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: 0001225208-26-001777 · 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: 6,226

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: 0001225208-26-001777 · 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: 7,155

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: 0001225208-26-001776 · doc4.xml · nonDerivative · entry 2

Mao Cecilia · CIK 0002009173 · EVP, Chief Product Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,223

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: 0001225208-26-001776 · doc4.xml · nonDerivative · entry 1

Mao Cecilia · CIK 0002009173 · EVP, Chief Product Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,141

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: 0001225208-26-001775 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,446

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: 0001225208-26-001775 · 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: 20,060

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: 0001225208-26-001774 · doc4.xml · nonDerivative · entry 1

Griggs James M · CIK 0001753380 · SVP & Corp Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,685

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: 0001225208-26-001773 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,421

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: 0001225208-26-001773 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,542

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: 0001225208-26-001779 · doc4.xml · nonDerivative · entry 1

Remon Patricio · CIK 0002060053 · EVP, President International

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,091

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: 0001225208-26-001772 · doc4.xml · nonDerivative · entry 2

Chaney Carla · CIK 0001581930 · EVP, Chief HR Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,083

F1 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 285 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-26-001772 · doc4.xml · nonDerivative · entry 1

Chaney Carla · CIK 0001581930 · EVP, Chief HR Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,871

F1 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 285 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-26-001771 · doc4.xml · nonDerivative · entry 2

Bindal Sunil · CIK 0001828512 · EVP, Chief Corp Dev Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,656

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: 0001225208-26-001771 · doc4.xml · nonDerivative · entry 1

Bindal Sunil · CIK 0001828512 · EVP, Chief Corp Dev Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,383

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: 0001225208-26-001770 · doc4.xml · derivative · entry 20

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 113,374

Underlying: Common Stock · 37,791 shares

Expires 2028-05-04

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.

F14 · derivative.exercise_date: The option vested in three equal annual increments beginning 5/4/2019.

SEC source: 0001225208-26-001770 · doc4.xml · nonDerivative · entry 14

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 230,506

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 10/28/2025.

F13 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $201.67 to $202.66, 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: 0001225208-26-001770 · doc4.xml · nonDerivative · entry 13

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 248,858

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 10/28/2025.

F12 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $202.665 to $203.64, 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: 0001225208-26-001770 · doc4.xml · nonDerivative · entry 12

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 259,858

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 10/28/2025.

F11 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $200.672 to $201.66, 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: 0001225208-26-001770 · doc4.xml · nonDerivative · entry 11

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 263,915

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 10/28/2025.

F10 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $199.67 to $200.481, 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: 0001225208-26-001770 · doc4.xml · nonDerivative · entry 10

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 265,687

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: 0001225208-26-001770 · doc4.xml · nonDerivative · entry 9

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 267,446

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 10/28/2025.

F9 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $198.645 to $199.62, 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: 0001225208-26-001770 · doc4.xml · nonDerivative · entry 8

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 268,275

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 10/28/2025.

F8 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $196.123 to $196.912, 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: 0001225208-26-001770 · doc4.xml · nonDerivative · entry 7

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 268,720

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 10/28/2025.

F7 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $194.892 to $195.779, 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: 0001225208-26-001770 · doc4.xml · nonDerivative · entry 6

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 269,084

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 10/28/2025.

F6 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $193.735 to $194.661, 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: 0001225208-26-001770 · doc4.xml · nonDerivative · entry 5

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 269,415

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 10/28/2025.

F5 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $192.556 to $193.366, 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: 0001225208-26-001770 · doc4.xml · nonDerivative · entry 4

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 269,642

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 10/28/2025.

F4 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $203.675 to $203.85, 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: 0001225208-26-001770 · doc4.xml · nonDerivative · entry 3

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 269,855

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 10/28/2025.

F3 · price: The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $197.524 to $198.008, 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: 0001225208-26-001770 · doc4.xml · nonDerivative · entry 2

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 270,056

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: 0001225208-26-001770 · doc4.xml · nonDerivative · entry 1

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 236,778

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 10/28/2025.

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

SEC source: 0001225208-26-001769 · doc4.xml · derivative · entry 6

Farshchi Jamil · CIK 0001732980 · EVP, Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,213 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.

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

SEC source: 0001225208-26-001769 · doc4.xml · nonDerivative · entry 4

Farshchi Jamil · CIK 0001732980 · EVP, Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 41,036

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 4/25/2025.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 400 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-26-001769 · doc4.xml · nonDerivative · entry 3

Farshchi Jamil · CIK 0001732980 · EVP, Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 47,249

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 400 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-26-001769 · doc4.xml · nonDerivative · entry 2

Farshchi Jamil · CIK 0001732980 · EVP, Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 50,291

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 400 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-26-001769 · doc4.xml · nonDerivative · entry 1

Farshchi Jamil · CIK 0001732980 · EVP, Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 45,624

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 4/25/2025.

F2 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 400 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-26-001347 · doc4.xml · nonDerivative · entry 2

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 198,987

F1 · 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: 0001225208-26-001347 · doc4.xml · nonDerivative · entry 1

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 201,392

F1 · 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: 0001225208-26-000154 · doc4.xml · nonDerivative · entry 1

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 142,091

F1 · 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: 0001225208-26-000153 · doc4.xml · derivative · entry 1

MARCUS ROBERT D · CIK 0001225752 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,284

Underlying: Common Stock · 156 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: 0001225208-25-009335 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 59,527

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: 0001225208-25-009272 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,027

F1 · shares: The reported transaction involved the withholding of 202 shares of stock issuable upon the early vesting of an equal number of restricted stock units to pay taxes associated with the reporting person becoming retirement eligible.

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: 0001225208-25-009273 · doc4.xml · nonDerivative · entry 1

Chaney Carla · CIK 0001581930 · EVP, Chief HR Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,450

F1 · shares: The reported transaction involved the withholding of 227 shares of stock issuable upon the early vesting of an equal number of restricted stock units to pay taxes associated with the reporting person becoming retirement eligible.

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 270 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-25-009271 · 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: 15,927

F1 · shares: The reported transaction involved the withholding of 260 shares of stock issuable upon the early vesting of an equal number of restricted stock units to pay taxes associated with the reporting person becoming retirement eligible.

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: 0001225208-25-008751 · doc4.xml · derivative · entry 3

Farshchi Jamil · CIK 0001732980 · EVP, Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,925 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.

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

SEC source: 0001225208-25-008751 · doc4.xml · nonDerivative · entry 2

Farshchi Jamil · CIK 0001732980 · EVP, Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 39,364

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 4/25/2025.

F1 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 372 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-25-008751 · doc4.xml · nonDerivative · entry 1

Farshchi Jamil · CIK 0001732980 · EVP, Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,289

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.

F1 · balance_after: Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 372 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

SEC source: 0001225208-25-008793 · doc4.xml · derivative · entry 22

Begor Mark W · CIK 0001335111 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 27,959 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.

F16 · derivative.exercise_date: The option vested in three equal annual increments beginning 2/21/2021.