{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-124814","form_type":"8-K","ticker":"NPWR","cik":"0001845437","company_name":"NET Power Inc.","filed_at":"2026-11-10T13:00:36+00:00","discovered_at":"2026-11-10T13:05:00.312927+00:00","generated_at":"2026-11-10T13:05:26.641442+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"NET Power board amends Marc Horstman's option terms; 240,000 shares at $2.13 exercisable longer after exit","bullets":["Board approved Nov 4, 2026 the Option Amendment the Compensation Committee adopted in October 2026, applying it to President and COO Marc Horstman's stock option.","Horstman's option covers 240,000 Class A shares at $2.13, granted June 2, 2025, fully vested June 2, 2026 and expiring June 2, 2030; share count, strike and vesting unchanged.","Under the amendment, an other-than-cause termination keeps the option vesting on schedule and exercisable until expiration; resignation exercise window rises to 90 days from 30.","Termination for cause still forfeits the option whether or not vested; death and disability treatment unchanged. Amendment to be filed with the Form 10-Q for the quarter ended Sept 30, 2026.","Applies to time-vesting options on the standard form under the NET Power Inc. 2023 Omnibus Incentive Plan, excluding holders who resigned before the committee adopted it."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-124814","json":"https://secwatch.observer/filing/0001104659-26-124814.json","markdown":"https://secwatch.observer/filing/0001104659-26-124814.md","text":"https://secwatch.observer/filing/0001104659-26-124814.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926124814/0001104659-26-124814-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1845437/000110465926124814/tm2629334d1_8k.htm"},"model":{"generated_by":"deepseek-v4.1-flash:cloud@v2","generated_at":"2026-11-10T13:05:26.641442+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}