Mark W Begor
CIK 1335111 · CEO · last filed 2026-04-28
Mark W Begor is a CEO who has filed 69 SEC Form 4 insider transactions across 5 companies since 2016. The most recent filing, for EFX, was dated Apr 28, 2026. Across all open-market trades the lifetime net is −$116.6M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $53.3M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$53.30M
5
69
-$116.65M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| EFX | CEO | 302,701 | $163.71 | $49.56M | -$116.65M | 34 | 2026-04-28 |
| RJFw | Director | 2,285 | — | — | $0 | 2 | 2026-02-23 |
| NCR Atleos Corp (NATLw) Delisted | Director | 31,475 | — | — | $0 | 7 | 2025-05-23 |
| NCR Voyix Corp (NCR) Delisted | Director | 37,036 | $27.08 | $1.00M | $0 | 21 | 2023-10-03 |
| FICO | Director | 3,174 | $1179.19 | $3.74M | $0 | 5 | 2018-03-22 |
Recent Filings
69 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-04-28 | EFX | Mixed | — | -$2.27M | EDGAR |
| 2026-02-27 | EFX | Grant (A) | +40,955 | $0 | EDGAR |
| 2026-02-23 | RJFw | Grant (A) | +1,303 | $0 | EDGAR |
| 2026-02-12 | EFX | Mixed | +31,519 | -$3.74M | EDGAR |
| 2026-02-05 | EFX | Mixed | +56,718 | -$421.0K | EDGAR |
| 2026-01-05 | EFX | Tax (F) | −997 | -$216.3K | EDGAR |
| 2025-10-29 | EFX | Mixed | −21,433 | -$6.05M | EDGAR |
| 2025-07-30 | EFX | Mixed | −20,304 | -$6.31M | EDGAR |
| 2025-05-23 | RJFw | Grant (A) | +982 | $0 | EDGAR |
| 2025-05-23 | NCR Atleos Corp (NATLw) Delisted | Exer (M) | +2,690 | $69.9K | EDGAR |