William M. Sheriff
Executive Chairman at enCore Energy Corp.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 2 years
- Director since
- 2025
2 years of board service in total across 1 board, counting each seat separately. Longest: enCore Energy Corp., 1 year.
enCore Energy Corp.
Director · Executive Chairman
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| May 19, 2026 | enCore Energy Corp. | Open-market purchase | +25,000 | $1.39 | $34,750 |
| May 18, 2026 | enCore Energy Corp. | Open-market purchase | +50,000 | $1.49 | $74,500 |
| May 18, 2026 | enCore Energy Corp. | Open-market purchase | +25,000 | $1.47 | $36,750 |
| Feb 9, 2026 | enCore Energy Corp. | Open-market sale | −12,000 | $2.80 | $33,600 |
| Feb 6, 2026 | enCore Energy Corp. | Open-market sale | −12,000 | $2.72 | $32,640 |
| Jan 7, 2026 | enCore Energy Corp. | Open-market sale | −10,000 | $2.81 | $28,100 |
| Jan 2, 2026 | enCore Energy Corp. | Open-market sale | −24,000 | $2.72 | $65,280 |
| Jan 2, 2026 | enCore Energy Corp. | Open-market sale | −16,300 | $2.68 | $43,684 |
| Jan 2, 2026 | enCore Energy Corp. | Open-market sale | −2,200 | $2.67 | $5,874 |
| Dec 30, 2025 | enCore Energy Corp. | Open-market sale | −16,500 | $2.42 | $39,930 |
| Dec 16, 2025 | enCore Energy Corp. | Open-market sale | −24,000 | $2.37 | $56,880 |
| Nov 26, 2025 | enCore Energy Corp. | Open-market sale | −24,000 | $2.65 | $63,600 |
| Apr 3, 2025 | enCore Energy Corp. | Open-market purchase | +20,000 | $1.22 | $24,400 |
| Apr 3, 2025 | enCore Energy Corp. | Open-market purchase | +20,000 | $1.20 | $24,000 |
| Apr 3, 2025 | enCore Energy Corp. | Open-market purchase | +10,000 | $1.21 | $12,100 |
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