NET Power Inc · Ownership · TradingHolo

Insider activity

Open-market trades from Form 4 filings

Insiders bought $0 and sold $10.59M in the filings shown.

Date	Name	Role	Type	Shares	Value
Mon, 13 Apr 2026	Shuman Ned Leland	officer: Chief Financial Officer	A-Award	529,801	$0
Wed, 9 Sep 2026	8 Rivers Capital, LLC	10 percent owner	S-Sale	150,000	$276.08K
Tue, 8 Sep 2026	8 Rivers Capital, LLC	10 percent owner	S-Sale	100,000	$193.52K
Wed, 9 Sep 2026	NPEH, LLC	10 percent owner	S-Sale	150,000	$276.08K
Tue, 8 Sep 2026	NPEH, LLC	10 percent owner	S-Sale	100,000	$193.52K
Wed, 3 Jun 2026	PETERSON CAROL R.	director	A-Award	71,770	$0
Wed, 3 Jun 2026	Veltmann Alejandra	director

Institutional holders

From 13F filings · Tue, 30 Jun 2026

Holder	Shares	% out	Change
Share Andrew L.	9,767,500	11.0%	+0
HITE Hedge Asset Management LLC	2,852,670	3.2%	+89,246
ADAGE CAPITAL PARTNERS GP, L.L.C.	2,840,000	3.2%	+1,300,000
BlackRock, Inc.	2,416,294	2.7%	+273,378
PEAK6 LLC	1,985,754	2.2%	−2,461
VANGUARD CAPITAL MANAGEMENT LLC	1,802,372	2.0%	+158,577
Defiance ETFs, LLC	1,555,837	1.8%	+1,022,584
Tidal Investments LLC	1,546,562	1.7%	+1,013,309
Sourcerock Group LLC	1,400,110	1.6%	−104,016
GEODE CAPITAL MANAGEMENT, LLC	1,006,014	1.1%	+145,628
Argentarii, LLC	746,799	0.8%	−1,850
TWO SIGMA INVESTMENTS, LP	660,570	0.7%	−419,711
STATE STREET CORP	624,238	0.7%	+10,704
UBS Group AG	610,961	0.7%

NET Power Inc · Ownership · TradingHolo