NPEH, LLC — SEC Form 4 filings
SEC reporting owner CIK 1981772. 39 Form 4 filings on record with FilingPulse; latest filed 2026-09-10.
Transaction summary — filings shown
Covers all 39 filings on record, filed 2024-09-06 to 2026-09-10. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 86 legs across 37 filings — 11,525,420 shares, $52,495,630 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 23.
- Largest priced transaction: sale of 509,040 shares @ $12.72 ($6,473,105) in Net Power Inc., filed 2024-11-21.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Net Power Inc. (NPWR) | 10% owner | 39 | — | 86 legs · 11,525,420 sh · $52,495,630 | 23 |
Form 4 filings — NPEH, LLC
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-10 | 4 | Net Power Inc. (NPWR) | Sale (S): 100,000 @ $1.94 · Sale (S): 150,000 @ $1.84 | EDGAR |
| 2026-08-27 | 4 | Net Power Inc. (NPWR) | Sale (S): 201,550 @ $1.91 · Sale (S): 41,350 @ $1.91 | EDGAR |
| 2026-08-14 | 4 | Net Power Inc. (NPWR) | Sale (S): 50,000 @ $1.63 · Sale (S): 200,000 @ $1.62 · Sale (S): 507,100 @ $1.95 | EDGAR |
| 2026-08-11 | 4 | Net Power Inc. (NPWR) | Sale (S): 60,345 @ $1.53 · Sale (S): 55,400 @ $1.55 · Sale (S): 35,000 @ $1.60 | EDGAR |
| 2026-08-06 | 4 | NET Power Inc. (NPWR) | Sale (S): 120,000 @ $1.54 · Sale (S): 140,000 @ $1.51 · Sale (S): 89,255 @ $1.51 | EDGAR |
| 2026-07-30 | 4 | NET Power Inc. (NPWR) | Sale (S): 55,858 @ $1.47 · Sale (S): 45,000 @ $1.41 · Sale (S): 155,000 @ $1.43 | EDGAR |
| 2026-07-23 | 4 | NET Power Inc. (NPWR) | Sale (S): 80,000 @ $1.53 · Sale (S): 90,000 @ $1.53 · Sale (S): 39,142 @ $1.51 | EDGAR |
| 2026-05-14 | 4 | NET Power Inc. (NPWR) | Sale (S): 400,000 @ $2.44 · Sale (S): 35,000 @ $2.43 | EDGAR |
| 2026-05-13 | 4/A | NET Power Inc. (NPWR) | Conversion (C): 3,000,000 · Other (J): 3,000,000 · Conversion (C): 3,000,000 (derivative) | EDGAR |
| 2026-03-10 | 4 | NET Power Inc. (NPWR) | Conversion (C): 3,000,000 · Other (J): 3,000,000 | EDGAR |
| 2026-03-05 | 4 | NET Power Inc. (NPWR) | Sale (S): 100,000 @ $2.04 | EDGAR |
| 2026-03-02 | 4 | NET Power Inc. (NPWR) | Sale (S): 1,881 @ $2 · Sale (S): 4,744 @ $2.00 · Sale (S): 79,858 @ $2.05 | EDGAR |
| 2026-02-23 | 4 | NET Power Inc. (NPWR) | Sale (S): 125,000 @ $2.14 · Sale (S): 63,517 @ $2.03 | EDGAR |
| 2026-02-18 | 4 | NET Power Inc. (NPWR) | Sale (S): 100,000 @ $2.14 · Sale (S): 75,000 @ $2.07 | EDGAR |
| 2026-02-12 | 4 | NET Power Inc. (NPWR) | Sale (S): 40,000 @ $2.08 · Sale (S): 60,000 @ $2.02 · Sale (S): 150,000 @ $2.03 | EDGAR |
| 2026-02-02 | 4 | NET Power Inc. (NPWR) | Sale (S): 54,780 @ $2.35 | EDGAR |
| 2026-01-28 | 4 | NET Power Inc. (NPWR) | Sale (S): 130,000 @ $2.35 · Sale (S): 100,000 @ $2.38 · Sale (S): 65,220 @ $2.38 | EDGAR |
| 2026-01-16 | 4 | NET Power Inc. (NPWR) | Sale (S): 135,000 @ $2.74 · Sale (S): 135,000 @ $2.57 · Sale (S): 230,000 @ $2.63 | EDGAR |
| 2025-12-29 | 4 | NET Power Inc. (NPWR) | Sale (S): 170,000 @ $2.21 | EDGAR |
| 2025-12-23 | 4 | NET Power Inc. (NPWR) | Sale (S): 100,000 @ $2.34 · Sale (S): 100,000 @ $2.26 · Sale (S): 130,000 @ $2.17 | EDGAR |
| 2025-12-11 | 4 | NET Power Inc. (NPWR) | Sale (S): 40,000 @ $2.82 | EDGAR |
| 2025-12-08 | 4 | NET Power Inc. (NPWR) | Sale (S): 65,000 @ $2.94 · Sale (S): 105,000 @ $2.91 · Sale (S): 140,000 @ $2.81 | EDGAR |
| 2025-12-02 | 4 | NET Power Inc. (NPWR) | Sale (S): 200,000 @ $2.94 | EDGAR |
| 2025-11-24 | 4 | NET Power Inc. (NPWR) | Sale (S): 132,837 @ $2.60 · Sale (S): 17,163 @ $2.50 | EDGAR |
| 2025-11-19 | 4 | NET Power Inc. (NPWR) | Sale (S): 338,653 @ $2.81 · Sale (S): 250,000 @ $2.57 | EDGAR |
| 2025-11-04 | 4 | NET Power Inc. (NPWR) | Sale (S): 18,116 @ $4.05 · Sale (S): 8,477 @ $4.00 · Conversion (C): 2,000,000 · Other (J): 2,000,000 · Conversion (C): 2,000,000 (derivative) | EDGAR |
| 2025-10-30 | 4 | NET Power Inc. (NPWR) | Sale (S): 7,585 @ $3.77 · Sale (S): 786,832 @ $4.12 · Sale (S): 107,754 @ $4.04 | EDGAR |
| 2025-10-27 | 4 | NET Power Inc. (NPWR) | Sale (S): 284,100 @ $3.69 · Sale (S): 32,583 @ $3.70 · Sale (S): 200,000 @ $3.77 | EDGAR |
| 2025-10-22 | 4 | NET Power Inc. (NPWR) | Sale (S): 201,000 @ $3.58 · Sale (S): 189,300 @ $3.53 · Sale (S): 89,000 @ $3.31 | EDGAR |
| 2025-10-16 | 4 | NET Power Inc. (NPWR) | Conversion (C): 4,000,000 · Other (J): 4,000,000 · Sale (S): 100,000 @ $4.83 · Sale (S): 122,641 @ $4.88 · Sale (S): 13,959 @ $4.71 · Conversion (C): 4,000,000 (derivative) | EDGAR |
| 2024-11-26 | 4 | NET Power Inc. (NPWR) | Sale (S): 431,009 @ $12.76 | EDGAR |
| 2024-11-21 | 4 | NET Power Inc. (NPWR) | Conversion (C): 1,260,420 · Other (J): 1,260,420 · Sale (S): 320,371 @ $12.60 · Sale (S): 509,040 @ $12.72 · Conversion (C): 1,260,420 (derivative) | EDGAR |
| 2024-10-18 | 4 | NET Power Inc. (NPWR) | Sale (S): 517,618 @ $7.12 · Sale (S): 199,369 @ $7.33 | EDGAR |
| 2024-10-11 | 4 | NET Power Inc. (NPWR) | Sale (S): 122,591 @ $6.95 · Sale (S): 120,500 @ $6.92 | EDGAR |
| 2024-10-07 | 4 | NET Power Inc. (NPWR) | Conversion (C): 1,015,000 · Other (J): 1,015,000 · Sale (S): 54,922 @ $7.00 · Conversion (C): 1,015,000 (derivative) @ $0 | EDGAR |
| 2024-09-19 | 4 | NET Power Inc. (NPWR) | Sale (S): 144,959 @ $7.04 · Sale (S): 80,122 @ $7.02 · Sale (S): 342,364 @ $7.06 | EDGAR |
| 2024-09-16 | 4 | NET Power Inc. (NPWR) | Sale (S): 2,315 @ $7.26 · Sale (S): 1,340 @ $7.26 · Sale (S): 36,752 @ $7.05 · Conversion (C): 500,000 · Other (J): 500,000 · Conversion (C): 500,000 (derivative) @ $0 | EDGAR |
| 2024-09-11 | 4 | NET Power Inc. (NPWR) | Sale (S): 60,022 @ $7.60 · Sale (S): 300 @ $7.31 · Sale (S): 21,155 @ $7.28 | EDGAR |
| 2024-09-06 | 4 | NET Power Inc. (NPWR) | Conversion (C): 500,000 · Other (J): 500,000 · Sale (S): 83,325 @ $8.10 · Sale (S): 160,521 @ $7.94 · Sale (S): 66,825 @ $7.88 · Conversion (C): 500,000 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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