Company Analysis

Montauk Renewables, Inc. (MNTK)

Nasdaq: MNTK · Gas & Other Services Combined · Pittsburgh, PA · filing with the SEC since 2020
Grade4.6
◀ Past 4.5● Present 5.2▶ Future 3.8

Filings

129 filings since 2017 beside 52 insider forms · and emerging growth company · read from EDGAR on Nov 13, 2026
Due next and emerging growth company
10-Q Quarterly report for the quarter ending Sep 30, 2026Non-accelerated filers and smaller reporting companies have 45 days after the quarter ends; quarter ends are taken to the month end. by Nov 14, 2026
10-K Annual report for the fiscal year ending Dec 31, 2026Non-accelerated filers and smaller reporting companies have 90 days after the fiscal year ends. by Mar 31, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 37 days after the quarter ended. The proxy statement was last filed Apr 10, 2026.

Filings a yearinsider forms included
9572929172119
2020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 2 times in the last 36 months, the newest Feb 14, 2025.A late-filing notice, Form NT 10-Q, filed Nov 10, 2026.
Insider forms 52

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 10, 2026 NT 10-Q Late quarterly report notice Sep 30, 2026
Aug 6, 2026 8-K items 2.02, 9.01 Results released · Current report
Aug 5, 2026 10-Q Quarterly report Jun 30, 2026
Aug 5, 2026 8-K items 2.02, 9.01 Results released · Current report
May 28, 2026 8-K item 5.07 Shareholder vote · Current report May 26, 2026
May 6, 2026 10-Q Quarterly report Mar 31, 2026
May 6, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 10, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 10, 2026 DEFA14A Extra proxy material
Apr 10, 2026 DEF 14A Proxy statement May 26, 2026
Mar 12, 2026 8-K items 2.02, 9.01 Results released · Current report
Mar 11, 2026 10-K Annual report Dec 31, 2025
Mar 11, 2026 8-K items 2.02, 9.01 Results released · Current report
Jan 7, 2026 8-K items 1.01, 9.01 Major agreement signed · Current report Dec 31, 2025
Nov 24, 2025 SCHEDULE 13G/A Large holder update, amended
Nov 10, 2025 SCHEDULE 13D Activist holder notice
Nov 5, 2025 10-Q Quarterly report Sep 30, 2025
Nov 5, 2025 8-K items 2.02, 9.01 Results released · Current report
Aug 7, 2025 8-K items 2.02, 9.01 Results released · Current report
Aug 6, 2025 10-Q Quarterly report Jun 30, 2025
Aug 6, 2025 8-K items 2.02, 9.01 Results released · Current report
May 27, 2025 8-K item 5.07 Shareholder vote · Current report May 22, 2025
May 8, 2025 10-Q Quarterly report Mar 31, 2025
May 8, 2025 8-K items 2.02, 9.01 Results released · Current report
Apr 15, 2025 8-K item 8.01 Other event · Current report Apr 10, 2025
Apr 8, 2025 DEFA14A Extra proxy material
Apr 8, 2025 DEF 14A Proxy statement May 22, 2025
Apr 8, 2025 ARS Annual report to shareholders Dec 31, 2024
Mar 17, 2025 8-K items 2.02, 9.01 Results released · Current report
Mar 14, 2025 10-K Annual report Dec 31, 2024
Mar 13, 2025 8-K items 2.02, 9.01 Results released · Current report
Mar 7, 2025 8-K items 1.01, 2.03, 9.01 Major agreement signed; New debt or obligation taken on · Current report Mar 5, 2025
Feb 14, 2025 8-K item 5.02 Officer or director change · Current report
Nov 12, 2024 10-Q Quarterly report Sep 30, 2024
Nov 12, 2024 8-K items 2.02, 9.01 Results released · Current report
Aug 12, 2024 8-K items 2.02, 9.01 Results released · Current report
Aug 8, 2024 10-Q Quarterly report Jun 30, 2024
Aug 8, 2024 8-K items 2.02, 9.01 Results released · Current report
Jun 7, 2024 8-K item 5.07 Shareholder vote · Current report Jun 5, 2024
May 9, 2024 10-Q Quarterly report Mar 31, 2024
40 of 129 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton MNTK · research, not advice