NET Power Inc. reports

Company location: Durham, NC
Fiscal year end: 31 December

NET Power Inc. has filed 325 SEC EDGAR filings since 10 Mar 2021

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SEC filing history

Showing 1-25 of 325 matching filings.

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25

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1

8-K File 001-40503

8-K

Filing date: 05 Jun 2026
Reporting date: 03 Jun 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

3

FORM 3

Filing date: 27 May 2026
Reporting date: 18 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 14 May 2026
Reporting date: 12 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 14 May 2026
Reporting date: 12 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13D/A File 005-92617

SCHEDULE 13D/A filing

Filing date: 14 May 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

OWNERSHIP DOCUMENT

Filing date: 13 May 2026
Reporting date: 06 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

OWNERSHIP DOCUMENT

Filing date: 13 May 2026
Reporting date: 06 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-40503

10-Q

Filing date: 11 May 2026
Reporting date: 31 Mar 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-40503

8-K

Filing date: 11 May 2026
Reporting date: 11 May 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

ARS File 001-40503

ARS

Filing date: 23 Apr 2026
Reporting date: 31 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 001-40503

DEFA14A

Filing date: 23 Apr 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 001-40503

DEF 14A

Filing date: 23 Apr 2026
Reporting date: 03 Jun 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-40503

8-K

Filing date: 13 Apr 2026
Reporting date: 10 Apr 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 10 Mar 2026
Reporting date: 06 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 10 Mar 2026
Reporting date: 06 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K File 001-40503

10-K

Filing date: 09 Mar 2026
Reporting date: 31 Dec 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-40503

8-K

Filing date: 09 Mar 2026
Reporting date: 09 Mar 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 05 Mar 2026
Reporting date: 03 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 05 Mar 2026
Reporting date: 03 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 02 Mar 2026
Reporting date: 26 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 02 Mar 2026
Reporting date: 26 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 23 Feb 2026
Reporting date: 19 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 23 Feb 2026
Reporting date: 19 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 18 Feb 2026
Reporting date: 13 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 18 Feb 2026
Reporting date: 13 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

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