# Begor Mark W: insider transactions

SEC CIK 1335111. Roles and transactions as reported on Form 4. Latest Form 4 filed 2026-10-27.

## Roles

| Company | Role | Transactions | First | Latest |
| --- | --- | ---: | --- | --- |
| [Equifax Inc](/companies/efx.md) | CEO, Director, Officer | 6 | 2026-10-23 | 2026-10-23 |

## Transactions: 6

Every transaction reported, newest first. Codes P and S are open-market purchases and sales. Reported price is as stated on the form.

| Date | Company | Transaction | Shares | Reported price | Value | Filing |
| --- | --- | --- | ---: | ---: | ---: | --- |
| 2026-10-23 | [Equifax Inc](/companies/efx.md) | Option exercise (M), derivative | 37,792 | $0.00 | $0 | [Form 4](/filings/0001225208-26-008522.md) |
| 2026-10-23 | [Equifax Inc](/companies/efx.md) | Sale (S) | 33,667 | $182.517 | $6.1m | [Form 4](/filings/0001225208-26-008522.md) |
| 2026-10-23 | [Equifax Inc](/companies/efx.md) | Sale (S) | 1,681 | $185.2034 | $311.3k | [Form 4](/filings/0001225208-26-008522.md) |
| 2026-10-23 | [Equifax Inc](/companies/efx.md) | Sale (S) | 1,250 | $183.403 | $229.3k | [Form 4](/filings/0001225208-26-008522.md) |
| 2026-10-23 | [Equifax Inc](/companies/efx.md) | Sale (S) | 1,194 | $186.7335 | $223.0k | [Form 4](/filings/0001225208-26-008522.md) |
| 2026-10-23 | [Equifax Inc](/companies/efx.md) | Option exercise (M) | 37,792 | $112.46 | $4.3m | [Form 4](/filings/0001225208-26-008522.md) |

Source: SEC EDGAR, Forms 4. Last ingested by Listed: Oct 31, 2026, 10:17 ET. No prices; not investment advice.