How many insider trades does FilingIQ track for NPWR?

FilingIQ tracks 268 Form 4 insider transactions for NPWR (NET Power Inc.), covering filings from Jun 8, 2023 onwards. 28 of those were filed in the last 90 days.

Are NPWR insiders net buyers or net sellers?

Across the full Form 4 history for NPWR, 0 transactions (0%) were open-market purchases and 161 (60%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does NPWR insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is NPWR in?

NET Power Inc. (NPWR) is classified in the Industrials sector, specifically Specialty Industrial Machinery, with a current market capitalisation of $176.23M.

NPWR insider trading

Industrials

NET Power Inc. — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

268

Last 90 days

Buys / sells

0% / 60%

Market cap

$176.23M

About NET Power Inc.

NET Power Inc. operates as an energy technology company in the United States. Its technology includes NET Power Cycle, a power generation system that produces electricity from natural gas while capturing atmospheric emissions. The company was founded in 2010 and is headquartered in Durham, North Carolina.

Company website: www.netpower.com

NPWR insider activity at a glance

FilingIQ has scored 268 insider transactions for NPWR since Jun 8, 2023. The most recent filing in our index is dated May 13, 2026.

Across the full history, 0 open-market purchases and 161 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on NPWR insider trades is 56.5/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live NPWR trades on FilingIQ Raw filings on SEC EDGAR

Latest NPWR Form 4 filings

8 Rivers Capital, LLC

S May 12, 2026

NPEH, LLC

S May 12, 2026

Most recent disclosures. Sign up to filter by score, transaction code, or insider role.

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Frequently asked

How many insider trades does FilingIQ track for NPWR?: FilingIQ tracks 268 Form 4 insider transactions for NPWR (NET Power Inc.), covering filings from Jun 8, 2023 onwards. 28 of those were filed in the last 90 days.
Are NPWR insiders net buyers or net sellers?: Across the full Form 4 history for NPWR, 0 transactions (0%) were open-market purchases and 161 (60%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does NPWR insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is NPWR in?: NET Power Inc. (NPWR) is classified in the Industrials sector, specifically Specialty Industrial Machinery, with a current market capitalisation of $176.23M.

Methodology & sources

Every NPWR insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.