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Net Power Inc.

NPWR.WT
Exchange
NYSE
Industry
Electrical Industrial Apparatus
SEC CIK
0001845437

In the last 90 days, Net Power Inc. insiders filed 0 open-market purchases and 7 sales; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.

Other share classesNPWR

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Net Power Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
7 filings
2 insiders, $3.78M in total
Insiders trading
2
Net value
−$3.78M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Net Power Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Net Power Inc.
NameTitleLast reported holdingLast filingFilings, past year
Beauchamp Damian R.10% Owner750,000IndirectSep 10, 202629
8 Rivers Capital, LLC10% Owner750,000IndirectSep 10, 202629
Npeh, LLC10% Owner750,000Sep 10, 202629
Veltmann AlejandraDirector176,151Aug 31, 20261
Peterson Carol R.Director176,151Aug 31, 20261
Kelliher Joseph TDirector176,151Aug 31, 20261
Alexander RalphDirector176,151Aug 31, 20261
Beauchamp Cynda10% Owner0IndirectNov 4, 20255
SK Inc.10% Owner0IndirectJul 31, 20250
Horstman MarcChief Operating Officer–Jun 4, 20250
Rosser KellyChief Accounting Officer2,531Apr 7, 20250
Allen Brian F.COO and President568,939Apr 4, 20250
Patel Akash S.Chief Financial Officer0Apr 4, 20250
Mahon JamesGeneral Counsel and Secretary0Sep 14, 20230
Heffinger BrandonChief Commercial Officer0Sep 5, 20230
Derham KyleDirector1,676,668IndirectAug 18, 20230
Rice Acquisition Sponsor II LLCOther: Former Director and 10% owner0Jun 30, 20230
Lytal James HDirector30,000Jun 12, 20230
Rogers James WilmotChief Accounting Officer–Jun 12, 20230
Rice Daniel J. IVChief Executive Officer7,535,000IndirectJun 12, 20230
Fox Carrie MDirector30,000Jun 12, 20230
Famuagun JideDirector30,000Jun 12, 20230
Forrest BrockChief Technology Officer596,917IndirectJun 12, 20230

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 10, 2026 (view filing)6:01 PM ETSep 8-92 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−250.0K$1.88−$469.6K−25.0%750.0K after2 lotsDuplicate filing
Sep 10, 2026 (view filing)6:00 PM ETSep 8-92 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−250.0K$1.88−$469.6K−25.0%750.0K after2 lots
Aug 27, 2026 (view filing)6:02 PM ETAug 25-262 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−242.9K$1.91−$463.3K−19.5%1.00M after2 lotsDuplicate filing
Aug 27, 2026 (view filing)6:00 PM ETAug 25-262 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−242.9K$1.91−$463.3K−19.5%1.00M after2 lots
Aug 14, 2026 (view filing)6:01 PM ETAug 12-142 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−757.1K$1.84−$1.40M−37.9%1.24M after3 lotsDuplicate filing
Aug 14, 2026 (view filing)6:00 PM ETAug 12-142 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−757.1K$1.84−$1.40M−37.9%1.24M after3 lots
Aug 11, 2026 (view filing)6:00 PM ETAug 7-114 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−150.7K$1.55−$234.1K−7.0%2.00M after3 lotsDuplicate filing
Aug 11, 2026 (view filing)6:00 PM ETAug 7-114 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−150.7K$1.55−$234.1K−7.0%2.00M after3 lots
Aug 6, 2026 (view filing)6:02 PM ETAug 4-62 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−349.3K$1.52−$530.6K−14.0%2.15M after3 lotsDuplicate filing
Aug 6, 2026 (view filing)6:01 PM ETAug 4-62 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−349.3K$1.52−$530.6K−14.0%2.15M after3 lots
Jul 30, 2026 (view filing)6:00 PM ETJul 28-302 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−255.9K$1.43−$367.0K−9.3%2.50M after3 lotsDuplicate filing
Jul 30, 2026 (view filing)6:00 PM ETJul 28-302 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−255.9K$1.43−$367.0K−9.3%2.50M after3 lots
Jul 23, 2026 (view filing)7:40 PM ETJul 21-232 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−209.1K$1.52−$318.7K−7.1%2.76M after3 lotsDuplicate filing
Jul 23, 2026 (view filing)7:37 PM ETJul 21-232 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−209.1K$1.52−$318.7K−7.1%2.76M after3 lots
May 14, 2026 (view filing)6:00 PM ETMay 12-132 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−435.0K$2.44−$1.06M−12.8%2.96M after2 lots
May 14, 2026 (view filing)May 12-132 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−435.0K$2.44−$1.06M−12.8%2.96M after2 lots
Mar 5, 2026 (view filing)6:15 PM ETMar 32 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−100.0K$2.04−$204.3K−20.0%400.0K after
Mar 5, 2026 (view filing)Mar 32 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−100.0K$2.04−$204.0K−20.0%400.0K after
Mar 2, 2026 (view filing)6:00 PM ETFeb 26-Mar 24 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−86.5K$2.05−$177.0K−14.7%500.0K after3 lots
Mar 2, 2026 (view filing)Feb 26-Mar 24 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−86.5K$2.05−$177.0K−14.7%500.0K after3 lots
Feb 23, 2026 (view filing)6:00 PM ETFeb 19-204 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−188.5K$2.11−$396.9K−24.3%586.5K after2 lots
Feb 23, 2026 (view filing)Feb 19-204 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−188.5K$2.10−$396.4K−24.3%586.5K after2 lots
Feb 18, 2026 (view filing)6:44 PM ETFeb 13-185 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−175.0K$2.11−$369.3K−18.4%775.0K after2 lots
Feb 18, 2026 (view filing)Feb 13-185 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−175.0K$2.11−$369.3K−18.4%775.0K after2 lots
Feb 12, 2026 (view filing)6:25 PM ETFeb 10-122 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−250.0K$2.04−$509.2K−20.8%950.0K after3 lots
Feb 12, 2026 (view filing)Feb 10-122 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−250.0K$2.04−$508.9K−20.8%950.0K after3 lots
Feb 2, 2026 (view filing)5:08 PM ETJan 294 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−54.8K$2.35−$128.7K−4.4%1.20M after
Feb 2, 2026 (view filing)Jan 294 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−54.8K$2.35−$128.7K−4.4%1.20M after
Jan 28, 2026 (view filing)6:00 PM ETJan 26-282 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−295.2K$2.37−$699.9K−19.0%1.25M after3 lots
Jan 28, 2026 (view filing)Jan 26-282 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−295.2K$2.37−$698.7K−19.0%1.25M after3 lots
Jan 16, 2026 (view filing)7:20 PM ETJan 14-162 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−500.0K$2.64−$1.32M−24.4%1.55M after3 lots
Jan 16, 2026 (view filing)Jan 14-162 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−500.0K$2.64−$1.32M−24.4%1.55M after3 lots
Dec 29, 2025 (view filing)7:48 PM ETDec 245 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−170.0K$2.21−$375.6K−7.7%2.05M after
Dec 29, 2025 (view filing)Dec 245 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−170.0K$2.21−$375.7K−7.7%2.05M after
Dec 23, 2025 (view filing)5:18 PM ETDec 19-234 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−330.0K$2.25−$742.4K−12.9%2.22M after3 lots
Dec 23, 2025 (view filing)Dec 19-234 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−330.0K$2.25−$742.1K−12.9%2.22M after3 lots
Dec 11, 2025 (view filing)6:00 PM ETDec 92 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−40.0K$2.82−$112.9K−1.5%2.55M after
Dec 11, 2025 (view filing)Dec 92 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−40.0K$2.82−$112.8K−1.5%2.55M after
Dec 8, 2025 (view filing)5:14 PM ETDec 4-84 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−310.0K$2.87−$889.7K−10.7%2.59M after3 lots
Dec 8, 2025 (view filing)Dec 4-84 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−310.0K$2.87−$890.0K−10.7%2.59M after3 lots
Dec 2, 2025 (view filing)5:22 PM ETNov 284 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−200.0K$2.94−$587.1K−6.5%2.90M after
Dec 2, 2025 (view filing)Nov 284 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−200.0K$2.94−$588.0K−6.5%2.90M after
Nov 24, 2025 (view filing)6:36 PM ETNov 20-214 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−150.0K$2.59−$387.9K−4.6%3.10M after2 lots
Nov 24, 2025 (view filing)Nov 20-214 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−150.0K$2.59−$388.3K−4.6%3.10M after2 lots
Nov 19, 2025 (view filing)5:44 PM ETNov 17-192 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−588.7K$2.71−$1.59M−15.3%3.25M after2 lots
Nov 19, 2025 (view filing)Nov 17-192 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−588.7K$2.71−$1.59M−15.3%3.25M after2 lots
Nov 4, 2025 (view filing)9:17 PM ETOct 31-Nov 34 daysBeauchamp Damian R. and 1 other10% OwnerSSaleClass A Common Stock−26.6K$4.04−$107.3K−1.4%1.84M after2 lots
Nov 4, 2025 (view filing)Oct 31-Nov 34 daysNpeh, LLC10% OwnerSSaleClass A Common Stock−26.6K$4.03−$107.3K−1.4%1.84M after2 lots
Nov 4, 2025 (view filing)Oct 314 daysBeauchamp Cynda10% OwnerSSaleClass A Common Stock−18.1K$4.05−$73.4K−1.0%1.85M after
Oct 30, 2025 (view filing)7:38 PM ETOct 28-302 daysBeauchamp Damian R. and 2 others10% OwnerSSaleClass A Common Stock−902.2K$4.10−$3.70M−32.6%1.87M after3 lots