BEAUCHAMP DAMIAN R. (CIK 1973442) reported 55 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-14). Recent activity: Sell NPWR (400,000 shares), Sell NPWR (35,000 shares), Buy NPWR (3.0M shares), Sell NPWR (3.0M shares), Buy NPWR (3.0M shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-14 | NET Power Inc. (NPWR) | Insider | Sell | 400,000 | $975,560 |
| 2026-05-14 | NET Power Inc. (NPWR) | Insider | Sell | 35,000 | $85,152 |
| 2026-05-13 | NET Power Inc. (NPWR) | Insider | Buy | 3.0M | $0 |
| 2026-05-13 | NET Power Inc. (NPWR) | Insider | Sell | 3.0M | $0 |
| 2026-03-10 | NET Power Inc. (NPWR) | Insider | Buy | 3.0M | $0 |
| 2026-03-10 | NET Power Inc. (NPWR) | Insider | Sell | 3.0M | $0 |
| 2026-03-05 | NET Power Inc. (NPWR) | Insider | Sell | 100,000 | $204,000 |
| 2026-03-02 | NET Power Inc. (NPWR) | Insider | Sell | 1,881 | $3,762 |
| 2026-03-02 | NET Power Inc. (NPWR) | Insider | Sell | 4,744 | $9,488 |
| 2026-03-02 | NET Power Inc. (NPWR) | Insider | Sell | 79,858 | $163,709 |
| 2026-02-23 | NET Power Inc. (NPWR) | Insider | Sell | 125,000 | $267,500 |
| 2026-02-23 | NET Power Inc. (NPWR) | Insider | Sell | 63,517 | $128,940 |
| 2026-02-18 | NET Power Inc. (NPWR) | Insider | Sell | 100,000 | $214,000 |
| 2026-02-18 | NET Power Inc. (NPWR) | Insider | Sell | 75,000 | $155,250 |
| 2026-02-12 | NET Power Inc. (NPWR) | Insider | Sell | 40,000 | $83,200 |
| 2026-02-12 | NET Power Inc. (NPWR) | Insider | Sell | 60,000 | $121,200 |
| 2026-02-12 | NET Power Inc. (NPWR) | Insider | Sell | 150,000 | $304,500 |
| 2026-02-02 | NET Power Inc. (NPWR) | Insider | Sell | 54,780 | $128,733 |
| 2026-01-28 | NET Power Inc. (NPWR) | Insider | Sell | 130,000 | $305,500 |
| 2026-01-28 | NET Power Inc. (NPWR) | Insider | Sell | 100,000 | $238,000 |
| 2026-01-28 | NET Power Inc. (NPWR) | Insider | Sell | 65,220 | $155,224 |
| 2026-01-16 | NET Power Inc. (NPWR) | Insider | Sell | 135,000 | $369,900 |
| 2026-01-16 | NET Power Inc. (NPWR) | Insider | Sell | 135,000 | $346,950 |
| 2026-01-16 | NET Power Inc. (NPWR) | Insider | Sell | 230,000 | $604,900 |
| 2025-12-29 | NET Power Inc. (NPWR) | Insider | Sell | 170,000 | $375,700 |
Source: SEC Form 4 filings · as of 2026-05-14