Mark W. Begor - 24 Apr 2026 Form 4 Insider Report for EQUIFAX INC (EFX)

Reporting relationship: CEO, Director
Issuer ticker: EFX
Reported as of: 24 Apr 2026
Net transaction value: -$6,515,210
SEC form: 4
Accepted by SEC: 28 Apr 2026, 16:08:03 UTC
Prior SEC filing: 27 Feb 2026
Next SEC filing: 28 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/Lisa Stockard as Attorney-in-Fact

Key filing fact

Mark W. Begor filed Form 4 for EQUIFAX INC (EFX) on 28 Apr 2026.

Key facts

This page summarizes Mark W. Begor's Form 4 filing for EQUIFAX INC (EFX).
6 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 28 Apr 2026, 16:08.

Change

Previous filing in this sequence was filed on 27 Feb 2026.
Current net transaction value: -$6,515,210.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001335111 Primary reporting owner

Begor Mark W

Relationship: CEO, Director
Address: 1550 PEACHTREE STREET, N.W., ATLANTA
Signature: /s/Lisa Stockard as Attorney-in-Fact
Signature date: 28 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

EFX transaction

Common Stock

Options Exercise

Transaction value
Shares: +37,791
Change %: +14%
Price: $112.46^*
Shares after: 309,521
Date: 24 Apr 2026
Ownership: Direct
Footnotes: F1, F2

EFX transaction

Common Stock

Sale

Transaction value: $299,313
Shares: -1,717
Change %: -0.55%
Price: $174.32
Shares after: 307,804
Date: 24 Apr 2026
Ownership: Direct
Footnotes: F1, F2, F3

EFX transaction

Common Stock

Sale

Transaction value: $807,807
Shares: -4,659
Change %: -1.5%
Price: $173.39
Shares after: 303,145
Date: 24 Apr 2026
Ownership: Direct
Footnotes: F1, F2, F4

EFX transaction

Common Stock

Sale

Transaction value: $1,877,630
Shares: -10,944
Change %: -3.6%
Price: $171.57
Shares after: 292,201
Date: 24 Apr 2026
Ownership: Direct
Footnotes: F1, F2, F5

EFX transaction

Common Stock

Sale

Transaction value: $3,530,459
Shares: -20,471
Change %: -7%
Price: $172.46
Shares after: 271,730
Date: 24 Apr 2026
Ownership: Direct
Footnotes: F1, F2, F6

EFX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 10,500
Date: 24 Apr 2026
Ownership: 2-yr 2025 GRAT

EFX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 21,284
Date: 24 Apr 2026
Ownership: 2-yr Dec 2025 GRAT

EFX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 38,332
Date: 24 Apr 2026
Ownership: 2-yr Jun 2025 GRAT

EFX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 12,333
Date: 24 Apr 2026
Ownership: 2-yr May 2025 GRAT

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

EFX transaction Derivative

Stock Option/Right to Buy

Options Exercise

Transaction value
Shares: -37,791
Change %: -33%
Price: $112.46^*
Shares after: 75,583
Date: 24 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 37,791
Exercise price: $112.46
Footnotes: F7

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 7 footnotes

Footnote F1

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.

Footnote F2

Includes accrued dividend equivalent units for dividends reinvested in corresponding restricted stock units through the Company's last dividend payment date and 280 shares of common stock purchased pursuant to the Equifax Inc. 2020 Employee Stock Purchase Plan.

Footnote F3

The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $173.98 to $174.78, 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.

Footnote F4

The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $172.986 to $173.975, 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.

Footnote F5

The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $170.982 to $171.979, 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.

Footnote F6

The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $171.986 to $172.975, 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.

Footnote F7

The option vested in three equal annual increments beginning 5/4/2019.