Montauk Renewables, Inc. SEC filings MNTK
Montauk Renewables, Inc. has 180 filings in SEC EDGAR's recent list, going back to Oct 14, 2020. Its latest annual report, Form ARS, was filed on Apr 10, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 5, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 6, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| 10-Q | Quarterly report | Aug 5, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2026 | Aug 5, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 28, 2026 | May 26, 2026 |
| 10-Q | Quarterly report | May 6, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 6, 2026 | May 6, 2026 |
| ARS | Annual report to shareholders | Apr 10, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 10, 2026 | — |
| DEF 14A | Proxy statement | Apr 10, 2026 | May 26, 2026 |
| 8-K |
Current report
Results of operations
|
Mar 12, 2026 | Mar 12, 2026 |
| 10-K | Annual report | Mar 11, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 11, 2026 | Mar 11, 2026 |
| 8-K |
Current report
Material agreement
|
Jan 7, 2026 | Dec 31, 2025 |
| 10-Q | Quarterly report | Nov 5, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2025 | Nov 5, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2025 | Aug 7, 2025 |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2025 | Aug 6, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 27, 2025 | May 22, 2025 |
| 10-Q | Quarterly report | May 8, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 8, 2025 | May 8, 2025 |
| 8-K |
Current report
Other events
|
Apr 15, 2025 | Apr 10, 2025 |
| DEFA14A | Additional proxy material | Apr 8, 2025 | — |
| DEF 14A | Proxy statement | Apr 8, 2025 | May 22, 2025 |
| ARS | Annual report to shareholders | Apr 8, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 17, 2025 | Mar 17, 2025 |
| 10-K | Annual report | Mar 14, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 13, 2025 | Mar 13, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Mar 7, 2025 | Mar 5, 2025 |
| 8-K |
Current report
Officer or director change
|
Feb 14, 2025 | Feb 14, 2025 |
| 10-Q | Quarterly report | Nov 12, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2024 | Nov 12, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2024 | Aug 12, 2024 |
| 10-Q | Quarterly report | Aug 8, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2024 | Aug 8, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 7, 2024 | Jun 5, 2024 |
| 10-Q | Quarterly report | May 9, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 9, 2024 | May 9, 2024 |
| DEFA14A | Additional proxy material | Apr 22, 2024 | — |
| DEF 14A | Proxy statement | Apr 22, 2024 | Jun 5, 2024 |
| ARS | Annual report to shareholders | Apr 22, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Officer or director change
|
Apr 3, 2024 | Apr 2, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 15, 2024 | Mar 15, 2024 |
| 10-K | Annual report | Mar 14, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 14, 2024 | Mar 14, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 29, 2023 | Dec 27, 2023 |
| 10-Q | Quarterly report | Nov 9, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2023 | Nov 9, 2023 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Oct 19, 2023 | Oct 18, 2023 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Sep 19, 2023 | Sep 13, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2023 | Aug 10, 2023 |
| 10-Q | Quarterly report | Aug 9, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2023 | Aug 9, 2023 |
| 8-K |
Current report
Material agreement
|
Jun 30, 2023 | Jun 27, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Jun 22, 2023 | Jun 21, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 8, 2023 | Jun 5, 2023 |
| 10-Q | Quarterly report | May 10, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 10, 2023 | May 10, 2023 |
| DEFA14A | Additional proxy material | Apr 25, 2023 | — |
| DEF 14A | Proxy statement | Apr 25, 2023 | Jun 5, 2023 |
| ARS | Annual report to shareholders | Apr 25, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Officer or director change
|
Apr 11, 2023 | Apr 6, 2023 |
| 8-K |
Current report
Officer or director change
|
Mar 31, 2023 | Mar 28, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 17, 2023 | Mar 17, 2023 |
| 10-K | Annual report | Mar 16, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Mar 16, 2023 | Mar 16, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 23, 2022 | Dec 22, 2022 |
| 10-Q | Quarterly report | Nov 9, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2022 | Nov 9, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2022 | Aug 11, 2022 |
| 10-Q | Quarterly report | Aug 9, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2022 | Aug 9, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 8, 2022 | Jun 6, 2022 |
| 8-K |
Current report
Material agreement
|
Jun 1, 2022 | May 26, 2022 |
| 10-Q | Quarterly report | May 10, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 10, 2022 | May 10, 2022 |
| DEFA14A | Additional proxy material | Apr 22, 2022 | — |
| DEF 14A | Proxy statement | Apr 22, 2022 | Jun 6, 2022 |
| 8-K |
Current report
Results of operations
|
Mar 17, 2022 | Mar 17, 2022 |
| 10-K | Annual report | Mar 16, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Mar 16, 2022 | Mar 16, 2022 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 23, 2021 | Dec 21, 2021 |
| 8-K |
Current report
Officer or director change
|
Dec 17, 2021 | Dec 13, 2021 |
| 8-K |
Current report
Officer or director change
|
Dec 10, 2021 | Dec 9, 2021 |
| 10-Q | Quarterly report | Nov 15, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 15, 2021 | Nov 15, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 17, 2021 | Aug 17, 2021 |
| 10-Q | Quarterly report | Aug 16, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 16, 2021 | Aug 16, 2021 |
| 10-Q/A | Amended quarterly report | Jun 15, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Officer or director change
|
Jun 8, 2021 | Jun 4, 2021 |
| 8-K |
Current report
Shareholder vote results
|
May 26, 2021 | May 25, 2021 |
| 10-Q | Quarterly report | May 17, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
May 11, 2021 | May 10, 2021 |
| DEFA14A | Additional proxy material | Apr 7, 2021 | — |
| DEF 14A | Proxy statement | Apr 7, 2021 | May 25, 2021 |
| 8-K |
Current report
Results of operations
|
Apr 1, 2021 | Apr 1, 2021 |
| 10-K | Annual report | Mar 31, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Material agreement, Officer or director change
|
Feb 24, 2021 | Feb 22, 2021 |
| 8-K |
Current report
Officer or director change
|
Feb 3, 2021 | Jan 28, 2021 |
| S-8 | Employee stock plan registration | Jan 27, 2021 | — |
| 424B4 | Prospectus | Jan 25, 2021 | — |
| SEC STAFF LETTER | Filing | Jan 21, 2021 | — |
| EFFECT | Filing | Jan 21, 2021 | — |
| CERT | Filing | Jan 21, 2021 | — |
| CORRESP | Letter to the SEC | Jan 20, 2021 | — |
| CORRESP | Letter to the SEC | Jan 20, 2021 | — |
| 8-A12B | Filing | Jan 20, 2021 | — |
| S-1/A | Amended registration statement | Jan 20, 2021 | — |
| S-1/A | Amended registration statement | Jan 15, 2021 | — |
| CORRESP | Letter to the SEC | Jan 8, 2021 | — |
| S-1/A | Amended registration statement | Jan 8, 2021 | — |
| UPLOAD | Letter from the SEC | Jan 4, 2021 | — |
| S-1/A | Amended registration statement | Dec 31, 2020 | — |
| CORRESP | Letter to the SEC | Dec 23, 2020 | — |
| S-1/A | Amended registration statement | Dec 23, 2020 | — |
| SEC STAFF LETTER | Filing | Dec 21, 2020 | — |
| UPLOAD | Letter from the SEC | Dec 21, 2020 | — |
| CORRESP | Letter to the SEC | Dec 11, 2020 | — |
| S-1 | Registration statement | Dec 11, 2020 | — |
| UPLOAD | Letter from the SEC | Nov 10, 2020 | — |
| DRS | Filing | Oct 14, 2020 | — |
Showing 122 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Gas & Other Services Combined (SIC 4932)
- Listed as
- MNTK (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Pittsburgh, PA
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1826600
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.