Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 2 boards, counting each seat separately. Longest: Nephros Inc., 3 years.
Nephros Inc.
Director
Mammoth Energy Services Inc.
Director
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Mammoth Energy Services Inc. June 25, 202695.9%
-
Mammoth Energy Services Inc. June 11, 202599.2%
-
Mammoth Energy Services Inc. June 12, 202498.5%
-
Mammoth Energy Services Inc. June 7, 202399.3%
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 |
|---|---|---|---|---|---|
| Sep 14, 2026 | Nephros Inc. | Other | +17,749 | — | — |
| Sep 14, 2026 | Nephros Inc. | Other | +2,836 | — | — |
| Sep 14, 2026 | Nephros Inc. | Other | +22,710 | $3.95 | $89,705 |
| Aug 12, 2026 | Nephros Inc. | Grant or award | +2,418 | — | — |
| Jun 12, 2026 | Mammoth Energy Services Inc. | Open-market purchase | +2,000 | $3.28 | $6,560 |
| Jun 11, 2026 | Mammoth Energy Services Inc. | Open-market purchase | +2,500 | $3.22 | $8,050 |
| May 28, 2026 | Mammoth Energy Services Inc. | Open-market purchase | +3,000 | $3.25 | $9,750 |
| May 26, 2026 | Mammoth Energy Services Inc. | Open-market purchase | +2,500 | $3.24 | $8,100 |
| May 11, 2026 | Nephros Inc. | Grant or award | +3,574 | — | — |
| Mar 16, 2026 | Nephros Inc. | Grant or award | +3,610 | — | — |
| Dec 11, 2025 | Mammoth Energy Services Inc. | Open-market purchase | +10,000 | $1.89 | $18,900 |
| Nov 10, 2025 | Nephros Inc. | Grant or award | +5,391 | — | — |
| Jan 1, 2025 | Nephros Inc. | Grant or award | +22,418 | — | — |
| Dec 12, 2024 | Mammoth Energy Services Inc. | Open-market purchase | +1,000 | $2.97 | $2,970 |
| Jun 12, 2024 | Mammoth Energy Services Inc. | Grant or award | +27,856 | — | — |
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