NET Power Inc.
Total Trades
65
Buys
0
Sells
63
Largest Trade
N/A
Insiders
8
Institutional Funds
79
Inst. Value
$1M+
Activist Filings
17
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| 8 Rivers Capital, LLC | 10% Owner | SELL | $1M+ | 717K | $7.18 | Oct 19, 2024 |
| NPEH, LLC | 10% Owner | SELL | $1M+ | 243K | $6.93 | Oct 11, 2024 |
| 8 Rivers Capital, LLC | 10% Owner | SELL | $1M+ | 243K | $6.93 | Oct 11, 2024 |
| 8 Rivers Capital, LLC | 10% Owner | SELL | $500K+ | 80K | $7.00 | Oct 7, 2024 |
| NPEH, LLC | 10% Owner | SELL | $100K–$500K | 55K | $7.00 | Oct 7, 2024 |
| 8 Rivers Capital, LLC | 10% Owner | SELL | $100K–$500K | 47K | $7.07 | Oct 2, 2024 |
| 8 Rivers Capital, LLC | 10% Owner | SELL | $100K–$500K | 29K | $7.00 | Sep 24, 2024 |
| SK INC. | 10% Owner | SELL | $1M+ | 2.5M | $10.04 | May 28, 2024 |
| MAHON JAMES | General Counsel an… | SELL | $100K–$500K | 31K | $15.10 | Sep 14, 2023 |
| MAHON JAMES | General Counsel an… | SELL | $500K+ | 40K | $15.41 | Sep 12, 2023 |
| MAHON JAMES | General Counsel an… | SELL | $100K–$500K | 29K | $15.22 | Sep 8, 2023 |
| HEFFINGER BRANDON | Chief Commercial O… | SELL | $100K–$500K | 35K | $14.19 | Sep 5, 2023 |
| HEFFINGER BRANDON | Chief Commercial O… | SELL | $1M+ | 115K | $14.18 | Sep 1, 2023 |
| HEFFINGER BRANDON | Chief Commercial O… | SELL | $100K–$500K | 28K | $15.19 | Aug 23, 2023 |
| HEFFINGER BRANDON | Chief Commercial O… | SELL | $1M+ | 122K | $15.13 | Aug 21, 2023 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 79 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Share Andrew L. | 9.8M | $1M+ | SH |
| CenterBook Partners LP | 1.8M | $1M+ | SH |
| Sourcerock Group LLC | 1.5M | $1M+ | SH |
| PEAK6 LLC | 1.3M | $1M+ | SH |
| COHEN & STEERS, INC. | 945K | $1M+ | SH |
| HITE Hedge Asset Management LLC | 749K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 714K | $1M+ | SH |
| STATE STREET CORP | 604K | $1M+ | SH |
| Empowered Funds, LLC | 445K | $1M+ | SH |
| Empowered Funds, LLC | 445K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 268K | $500K+ | SH |
| Argentarii, LLC | 264K | $500K+ | SH |
| Point72 Asset Management, L.P. | 241K | $500K+ | SH |
| Tidal Investments LLC | 234K | $500K+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 144K | $100K–$500K | SH |
| Janney Montgomery Scott LLC | 121K | $100K–$500K | SH |
| SIR Capital Management, L.P. | 103K | $100K–$500K | SH |
| ALLIANCEBERNSTEIN L.P. | 102K | $100K–$500K | SH |
| RENAISSANCE TECHNOLOGIES LLC | 95K | $100K–$500K | SH |
| GOLDMAN SACHS GROUP INC | 89K | $100K–$500K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13D/A · Jan 28, 2026
21.0%
22.0M shares
SC 13D/A · Dec 9, 2025
22.3%
23.3M shares
SC 13D/A · Nov 5, 2025
23.5%
24.6M shares
SC 13D/A · Oct 30, 2025
23.6%
24.7M shares
SC 13D/A · Aug 1, 2025
25.6%
26.7M shares
SC 13D/A · Jul 17, 2025
25.6%
26.7M shares
SC 13D/A · Nov 27, 2024
25.9%
26.7M shares
SC 13D/A · Oct 22, 2024
27.1%
28.0M shares
SC 13D/A · Sep 24, 2024
28.2%
29.1M shares
SC 13D/A · May 28, 2024
29.9%
30.5M shares
Rice Acquisition Sponsor II LLC
SC 13G/A · Feb 14, 2024
0.0%
0 shares
Kensico Capital Management Corp. 13-4079277
SC 13G/A · Feb 14, 2024
3.4%
2.4M shares
SC 13G/A · Feb 12, 2024
0.0%
0 shares
Daniel J. Rice, IV 2018 Irrevocable Trust
SC 13G/A · Jun 30, 2023
10.6%
7.6M shares
SC 13D · Jun 20, 2023
14.9%
30.0M shares
SC 13D · Jun 20, 2023
72.9%
89.6M shares
Daniel J. Rice, IV 2018 Irrevocable Trust
SC 13G · Jun 20, 2023
5.2%
3.5M shares