Mark W Begor Insider Trading Activity
Mark W Begor has been net-selling over the last 12 months with 0 purchases and 34 sales across 1 company.
EFX is the most-traded position with 34 trades. The largest single transaction was a sale of EFX for $4.8M on Jul 28, 2025.
Performance Scorecard
Forward stock performance after each transaction by Mark W Begor. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | +6.6% | 85% | 34 |
| 90 days | — | +9.4% | 100% | 34 |
| 120 days | — | +15.5% | 100% | 30 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersEFX · EQUIFAX INC
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Apr 24, 2026 | EFX | Sell | 1,717 | $174.32 | $299K | −0.6% | CEO | |
Apr 24, 2026 | EFX | Sell | 4,659 | $173.39 | $808K | −1.5% | CEO | |
Apr 24, 2026 | EFX | Sell | 10,944 | $171.57 | $1.9M | −3.6% | CEO | |
Apr 24, 2026 | EFX | Sell | 20,471 | $172.46 | $3.5M | −7.0% | CEO | |
Feb 10, 2026 | EFX | Sell | 201 | $197.79 | $40K | −0.1% | CEO | |
Feb 10, 2026 | EFX | Sell | 213 | $203.76 | $43K | −0.1% | CEO | |
Feb 10, 2026 | EFX | Sell | 227 | $192.89 | $44K | −0.1% | CEO | |
Feb 10, 2026 | EFX | Sell | 331 | $194.22 | $64K | −0.1% | CEO | |
Feb 10, 2026 | EFX | Sell | 364 | $195.40 | $71K | −0.1% | CEO | |
Feb 10, 2026 | EFX | Sell | 445 | $196.43 | $87K | −0.2% | CEO | |
Feb 10, 2026 | EFX | Sell | 829 | $199.00 | $165K | −0.3% | CEO | |
Feb 10, 2026 | EFX | Sell | 1,772 | $200.03 | $354K | −0.7% | CEO | |
Feb 10, 2026 | EFX | Sell | 4,057 | $201.26 | $817K | −1.5% | CEO | |
Feb 10, 2026 | EFX | Sell | 11,000 | $203.08 | $2.2M | −4.2% | CEO | |
Feb 10, 2026 | EFX | Sell | 18,352 | $202.15 | $3.7M | −7.4% | CEO | |
Oct 27, 2025 | EFX | Sell | 174 | $233.88 | $41K | −0.1% | CEO | |
Oct 27, 2025 | EFX | Sell | 204 | $235.22 | $48K | −0.1% | CEO | |
Oct 27, 2025 | EFX | Sell | 3,757 | $231.46 | $870K | −2.2% | CEO | |
Oct 27, 2025 | EFX | Sell | 4,015 | $233.01 | $936K | −2.4% | CEO | |
Oct 27, 2025 | EFX | Sell | 6,227 | $229.20 | $1.4M | −3.8% | CEO | |
Oct 27, 2025 | EFX | Sell | 6,639 | $230.18 | $1.5M | −4.2% | CEO | |
Oct 27, 2025 | EFX | Sell | 6,943 | $232.19 | $1.6M | −4.6% | CEO | |
Oct 27, 2025 | EFX | Sell | 37 | $233.95 | $9K | −0.1% | CEO | |
Oct 27, 2025 | EFX | Sell | 76 | $234.93 | $18K | −0.2% | CEO | |
Oct 27, 2025 | EFX | Sell | 2,801 | $233.12 | $653K | −6.5% | CEO | |
Oct 27, 2025 | EFX | Sell | 3,331 | $231.59 | $771K | −8.2% | CEO | |
Oct 27, 2025 | EFX | Sell | 3,995 | $229.12 | $915K | −10.7% | CEO | |
Oct 27, 2025 | EFX | Sell | 5,274 | $232.27 | $1.2M | −15.9% | CEO | |
Oct 27, 2025 | EFX | Sell | 5,872 | $230.16 | $1.4M | −21.0% | CEO | |
Jul 28, 2025 | EFX | Sell | 364 | $244.95 | $89K | −0.2% | CEO | |
Jul 28, 2025 | EFX | Sell | 831 | $243.90 | $203K | −0.4% | CEO | |
Jul 28, 2025 | EFX | Sell | 9,497 | $242.70 | $2.3M | −5.0% | CEO | |
Jul 28, 2025 | EFX | Sell | 17,731 | $241.87 | $4.3M | −9.8% | CEO | |
Jul 28, 2025 | EFX | Sell | 19,841 | $240.95 | $4.8M | −12.2% | CEO |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| EFX | EQUIFAX INC | 34 | $37.2M |
Other insiders at EQUIFAX INC
2 other tracked filers at EFX.