Net Power Inc. reports

Company location: Houston, TX
Fiscal year end: 31 December

Net Power Inc. has filed 338 SEC EDGAR filings since 10 Mar 2021

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SEC filing history

Showing 51-75 of 338 matching filings.

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25

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4

OWNERSHIP DOCUMENT

Filing date: 23 Dec 2025
Reporting date: 19 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 23 Dec 2025
Reporting date: 19 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 11 Dec 2025
Reporting date: 09 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 11 Dec 2025
Reporting date: 09 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13D/A File 005-92617

SCHEDULE 13D/A filing

Filing date: 09 Dec 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 08 Dec 2025
Reporting date: 04 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 08 Dec 2025
Reporting date: 04 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 02 Dec 2025
Reporting date: 28 Nov 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 02 Dec 2025
Reporting date: 28 Nov 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 24 Nov 2025
Reporting date: 20 Nov 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 24 Nov 2025
Reporting date: 20 Nov 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 19 Nov 2025
Reporting date: 17 Nov 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 19 Nov 2025
Reporting date: 17 Nov 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-40503

10-Q

Filing date: 13 Nov 2025
Reporting date: 30 Sep 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-40503

8-K

Filing date: 13 Nov 2025
Reporting date: 13 Nov 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

SCHEDULE 13D/A File 005-92617

SCHEDULE 13D/A filing

Filing date: 04 Nov 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 04 Nov 2025
Reporting date: 31 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 04 Nov 2025
Reporting date: 31 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 04 Nov 2025
Reporting date: 31 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 30 Oct 2025
Reporting date: 28 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 30 Oct 2025
Reporting date: 28 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13D/A File 005-92617

SCHEDULE 13D/A filing

Filing date: 29 Oct 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 27 Oct 2025
Reporting date: 23 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 27 Oct 2025
Reporting date: 23 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 22 Oct 2025
Reporting date: 20 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

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