Insider / EQUIFAX INC
Begor Mark W
CEO at EQUIFAX INC
- Company
- EQUIFAX INC
- Ticker
- EFX
- First filing on record
- October 29, 2025
- Latest trade on record
- July 24, 2026
- SEC filings
- EDGAR ↗
Begor Mark W, CEO at EQUIFAX INC, has disclosed 52 transactions in EFX since October 29, 2025: 0 purchases (0 open-market buys) and 40 sales, worth about $55.4M at the reported prices. The latest was filed July 28, 2026, 4 days after the trade; 1 filing was late against the 2-business-day Form 4 deadline.
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
In the last 12 months Begor Mark W made no purchases and 40 sales worth $33M, plus 12 other transactions. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
Begor Mark W has traded 1 stock on record; the largest by dollars is EFX.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
1 of 7 filings on record were reported after the Form 4 deadline (two business days, counted here as 4 calendar days).
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| S | Open-market sale | 37 | 162,718 | $32.1M |
| M | Option exercise or conversion | 8 | 282,664 | $22.4M |
| A | Grant or award | 3 | 133,356 | — |
| F | Shares withheld for tax | 3 | 5,161 | $994K |
| G | Gift | 1 | 47 | — |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 34 | 0 | 25 · $21.4M |
| 2025 | 18 | 0 | 15 · $11.6M |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| EFX | Option / conversion M | July 24, 2026 | July 28, 2026 | 4d | 37,791 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| EFX | Sell S | July 24, 2026 | July 28, 2026 | 4d | 21,543 | $172 | $3.7M | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | July 24, 2026 | July 28, 2026 | 4d | 6,200 | $171 | $1.1M | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | July 24, 2026 | July 28, 2026 | 4d | 4,112 | $173 | $711K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | July 24, 2026 | July 28, 2026 | 4d | 2,936 | $174 | $510K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | July 24, 2026 | July 28, 2026 | 4d | 1,300 | $175 | $227K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | July 24, 2026 | July 28, 2026 | 4d | 600 | $168 | $101K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | July 24, 2026 | July 28, 2026 | 4d | 600 | $170 | $102K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | July 24, 2026 | July 28, 2026 | 4d | 500 | $176 | $88K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Option / conversion M | July 24, 2026 | July 28, 2026 | 4d | 37,791 | $112 | $4.2M | 10b5-1 plan | Form 4 ↗ | |
| EFX | Option / conversion M | April 24, 2026 | April 28, 2026 | 4d | 37,791 | $112 | $4.2M | 10b5-1 planderivative | Form 4 ↗ | |
| EFX | Sell S | April 24, 2026 | April 28, 2026 | 4d | 20,471 | $172 | $3.5M | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | April 24, 2026 | April 28, 2026 | 4d | 10,944 | $172 | $1.9M | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | April 24, 2026 | April 28, 2026 | 4d | 4,659 | $173 | $808K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | April 24, 2026 | April 28, 2026 | 4d | 1,717 | $174 | $299K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Option / conversion M | April 24, 2026 | April 28, 2026 | 4d | 37,791 | $112 | $4.2M | 10b5-1 plan | Form 4 ↗ | |
| EFX | Other A | February 25, 2026 | February 27, 2026 | 2d | 40,955 | — | — | Form 4 ↗ | ||
| EFX | Option / conversion M | February 10, 2026 | February 12, 2026 | 2d | 37,791 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| EFX | Sell S | February 10, 2026 | February 12, 2026 | 2d | 18,352 | $202 | $3.7M | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | February 10, 2026 | February 12, 2026 | 2d | 11,000 | $203 | $2.2M | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | February 10, 2026 | February 12, 2026 | 2d | 4,057 | $201 | $817K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | February 10, 2026 | February 12, 2026 | 2d | 1,772 | $200 | $354K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell F | February 10, 2026 | February 12, 2026 | 2d | 1,759 | $203 | $357K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | February 10, 2026 | February 12, 2026 | 2d | 829 | $199 | $165K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | February 10, 2026 | February 12, 2026 | 2d | 445 | $196 | $87K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | February 10, 2026 | February 12, 2026 | 2d | 364 | $195 | $71K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | February 10, 2026 | February 12, 2026 | 2d | 331 | $194 | $64K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | February 10, 2026 | February 12, 2026 | 2d | 227 | $193 | $44K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | February 10, 2026 | February 12, 2026 | 2d | 213 | $204 | $43K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | February 10, 2026 | February 12, 2026 | 2d | 201 | $198 | $40K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Other A | February 10, 2026 | February 12, 2026 | 2d | 33,278 | — | — | 10b5-1 plan | Form 4 ↗ | |
| EFX | Option / conversion M | February 10, 2026 | February 12, 2026 | 2d | 37,791 | $112 | $4.2M | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell F | February 3, 2026 | February 5, 2026 | 2d | 2,405 | $175 | $421K | Form 4 ↗ | ||
| EFX | Other A | February 3, 2026 | February 5, 2026 | 2d | 59,123 | — | — | Form 4 ↗ | ||
| EFX | Sell F | December 31, 2025 | January 5, 2026 | 5d | 997 | $217 | $216K | late | Form 4 ↗ | |
| EFX | Option / conversion M | October 27, 2025 | October 29, 2025 | 2d | 27,959 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| EFX | Sell S | October 27, 2025 | October 29, 2025 | 2d | 5,872 | $230 | $1.4M | 10b5-1 planindirect | Form 4 ↗ | |
| EFX | Sell S | October 27, 2025 | October 29, 2025 | 2d | 5,274 | $232 | $1.2M | 10b5-1 planindirect | Form 4 ↗ | |
| EFX | Sell S | October 27, 2025 | October 29, 2025 | 2d | 3,995 | $229 | $915K | 10b5-1 planindirect | Form 4 ↗ | |
| EFX | Sell S | October 27, 2025 | October 29, 2025 | 2d | 3,331 | $232 | $771K | 10b5-1 planindirect | Form 4 ↗ | |
| EFX | Sell S | October 27, 2025 | October 29, 2025 | 2d | 2,801 | $233 | $653K | 10b5-1 planindirect | Form 4 ↗ | |
| EFX | Sell S | October 27, 2025 | October 29, 2025 | 2d | 76 | $235 | $18K | 10b5-1 planindirect | Form 4 ↗ | |
| EFX | Sell S | October 27, 2025 | October 29, 2025 | 2d | 37 | $234 | $8,656 | 10b5-1 planindirect | Form 4 ↗ | |
| EFX | Sell S | October 27, 2025 | October 29, 2025 | 2d | 6,943 | $232 | $1.6M | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | October 27, 2025 | October 29, 2025 | 2d | 6,639 | $230 | $1.5M | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | October 27, 2025 | October 29, 2025 | 2d | 6,227 | $229 | $1.4M | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | October 27, 2025 | October 29, 2025 | 2d | 4,015 | $233 | $936K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | October 27, 2025 | October 29, 2025 | 2d | 3,757 | $231 | $870K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | October 27, 2025 | October 29, 2025 | 2d | 204 | $235 | $48K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Sell S | October 27, 2025 | October 29, 2025 | 2d | 174 | $234 | $41K | 10b5-1 plan | Form 4 ↗ | |
| EFX | Other G | October 27, 2025 | October 29, 2025 | 2d | 47 | — | — | 10b5-1 plan | Form 4 ↗ | |
| EFX | Option / conversion M | October 27, 2025 | October 29, 2025 | 2d | 27,959 | $191 | $5.4M | 10b5-1 plan | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| July 28, 2026 | Form 4 | 0001225208-26-006748 | 10 | published | EDGAR ↗ |
| April 28, 2026 | Form 4 | 0001225208-26-004682 | 6 | published | EDGAR ↗ |
| February 27, 2026 | Form 4 | 0001225208-26-002754 | 1 | published | EDGAR ↗ |
| February 12, 2026 | Form 4 | 0001225208-26-001770 | 15 | published | EDGAR ↗ |
| February 5, 2026 | Form 4 | 0001225208-26-001347 | 2 | published | EDGAR ↗ |
| January 5, 2026 | Form 4 | 0001225208-26-000154 | 1 | published | EDGAR ↗ |
| October 29, 2025 | Form 4 | 0001225208-25-008793 | 17 | published | EDGAR ↗ |
Other insiders at EQUIFAX INC
- Farshchi Jamil EVP, Chief Technology Officer 10 rows
- GAMBLE JOHN W JR EVP, CFO & COO 8 rows
- MARCUS ROBERT D Director 6 rows
- Mao Cecilia Director 5 rows
- Borton Chad M EVP, Pres Workforce Solutions 4 rows
- Chaney Carla EVP, Chief HR Officer 4 rows
- Houston Julia A EVP, Chief Legal Officer 4 rows
- Larson Barbara A Director 4 rows
- Bindal Sunil EVP, Chief Corp Dev Officer 3 rows
- Schneider Harald EVP, Chief D&A Officer 3 rows
Everyone on file, with contracts and lobbying under the company's name: EQUIFAX INC.
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Rule 10b5-1 trading plans The plan must be set up when the insider has no important non-public information.
- Options and derivatives on Form 4 Table I = shares. Table II = options and other derivatives.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 7 | 52 | October 29, 2025 | July 28, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.