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

Reporting relationship
CEO, Director
Issuer ticker
EFX
Reported as of
24 Jul 2026
Net transaction value
-$6,506,255
Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
28 Jul 2026, 16:13:35 UTC
Prior SEC filing
28 Apr 2026
Source filing
View source filing
Reporting owner 1 detail
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 Jul 2026.

Key facts

  • This page summarizes Mark W. Begor's Form 4 filing for EQUIFAX INC (EFX).
  • 10 reported transactions and 1 derivative row are listed below.
  • Accepted by SEC: 28 Jul 2026, 16:13.

Change

  • Previous filing in this sequence was filed on 28 Apr 2026.
  • Current net transaction value: -$6,506,255.

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 Jul 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
309,681
Date
24 Jul 2026
Ownership
Direct
Footnotes
F1, F2
EFX transaction

Common Stock

Sale

Transaction value
$87,926
Shares
-500
Change %
-0.16%
Price
$175.85
Shares after
309,181
Date
24 Jul 2026
Ownership
Direct
Footnotes
F1, F2, F3
EFX transaction

Common Stock

Sale

Transaction value
$101,915
Shares
-600
Change %
-0.19%
Price
$169.86
Shares after
308,581
Date
24 Jul 2026
Ownership
Direct
Footnotes
F1, F2, F4
EFX transaction

Common Stock

Sale

Transaction value
$101,085
Shares
-600
Change %
-0.19%
Price
$168.47
Shares after
307,981
Date
24 Jul 2026
Ownership
Direct
Footnotes
F1, F2, F5
EFX transaction

Common Stock

Sale

Transaction value
$227,386
Shares
-1,300
Change %
-0.42%
Price
$174.91
Shares after
306,681
Date
24 Jul 2026
Ownership
Direct
Footnotes
F1, F2, F6
EFX transaction

Common Stock

Sale

Transaction value
$510,241
Shares
-2,936
Change %
-0.96%
Price
$173.79
Shares after
303,745
Date
24 Jul 2026
Ownership
Direct
Footnotes
F1, F2, F7
EFX transaction

Common Stock

Sale

Transaction value
$710,512
Shares
-4,112
Change %
-1.4%
Price
$172.79
Shares after
299,633
Date
24 Jul 2026
Ownership
Direct
Footnotes
F1, F2, F8
EFX transaction

Common Stock

Sale

Transaction value
$1,061,824
Shares
-6,200
Change %
-2.1%
Price
$171.26
Shares after
293,433
Date
24 Jul 2026
Ownership
Direct
Footnotes
F1, F2, F9
EFX transaction

Common Stock

Sale

Transaction value
$3,705,366
Shares
-21,543
Change %
-7.3%
Price
$172.00
Shares after
271,890
Date
24 Jul 2026
Ownership
Direct
Footnotes
F1, F2, F10
EFX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,350
Date
24 Jul 2026
Ownership
2-yr Apr 2025 GRAT
EFX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
21,284
Date
24 Jul 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 Jul 2026
Ownership
2-yr Jun 2025 GRAT
EFX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,018
Date
24 Jul 2026
Ownership
2-yr May 2025 GRAT
EFX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
18,562
Date
24 Jul 2026
Ownership
2-yr May 2026 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 %
-50%
Price
$0.000000*
Shares after
37,792
Date
24 Jul 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
37,791
Exercise price
$112.46
Footnotes
F1, F11
* 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 11 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 226 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 $175.74 to $175.94, 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 $169.42 to $170.09, 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 $168.395 to $168.55, 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 $174.54 to $175.48, 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 price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $173.50 to $174.15, 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 F8

The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $172.50 to $173.33, 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.

Footnote F9

The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $170.48 to $171.47, 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 F10

The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $171.50 to $172.49, 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 F11

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

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