Montauk Renewables (MNTK) 10K Form and Latest SEC Filings 2026 $1.47 +0.01 (+0.68%) Closing price 04:00 PM EasternExtended Trading$1.48 +0.02 (+1.02%) As of 07:36 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more. Add Compare Share Share SEC Filings Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Latest Montauk Renewables SEC Filings & Recent Activity Montauk Renewables (NASDAQ:MNTK) has submitted 113+ documents to the U.S. Securities and Exchange Commission (SEC) since 2020. For investors, these filings are the primary source of verified financial data — covering everything from annual revenue and debt levels in the 10-K, to material business events in 8-K current reports, to insider buying and selling activity in Form 4 disclosures. Key figures from these filings, including revenue, earnings, and cash flow, are summarized in Montauk Renewables's financial statements. The most recent filing was a Form 10-Q submitted on May 6, 2026. 8-K Montauk Renewables Files Current Report on May. 6, 2026An 8-K is filed when a material corporate event occurs, such as an acquisition, leadership change, or financial update.View filing10-Q Montauk Renewables Files Quarterly Report on May. 6, 2026The 10-Q contains Montauk Renewables's unaudited quarterly financial statements, revenue, earnings updates, and cash flow changes between annual reports.View earnings history Montauk Renewables SEC Filing HistoryBrowse Montauk Renewables' complete SEC filing history using the filters below. Filter by form type - 10-K, 10-Q, 8-K, Form 4, and more - or set a custom date range to find a filing. All Filing Types 10-K 10-Q 8-K 20-F 6-K 40-F 11-K 3 4 5 144 13F-HR SC 13D SC 13G DEF 14A DEFA14A S-1 S-3 S-4 S-8 F-1 424B2 425 D SD Filing Types Include Ownership Filings Exclude Ownership Filings Only Show Ownership FIlings Ownership Filings Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 2 Years 3 Years Time Frame Start Date End Date Export DateFilerForm TypeView05/06/2026 3:40 PMMontauk Renewables (1826600) FilerForm 8-KCurrent report pursuant to Section 13 or 15(d) 05/06/2026 3:50 PMMontauk Renewables (1826600) FilerForm 10-QGeneral form for quarterly reports under Section 13 or 15(d) 04/10/2026 6:48 AMMontauk Renewables (1826600) FilerForm DEF 14A04/10/2026 6:51 AMMontauk Renewables (1826600) FilerForm DEFA14A04/10/2026 6:52 AMMontauk Renewables (1826600) FilerForm ARS03/12/2026 7:50 AMMontauk Renewables (1826600) FilerForm 8-KCurrent report pursuant to Section 13 or 15(d) 03/11/2026 3:50 PMMontauk Renewables (1826600) FilerForm 8-KCurrent report pursuant to Section 13 or 15(d) 03/11/2026 3:56 PMMontauk Renewables (1826600) FilerForm 10-KAnnual report pursuant to Section 13 or 15(d) 01/07/2026 4:15 PMMontauk Renewables (1826600) FilerForm 8-KCurrent report pursuant to Section 13 or 15(d) 11/26/2025 4:19 PMFrank Sharon R (1889594) ReportingMontauk Renewables (1826600) IssuerForm 4Statement of changes in beneficial ownership of securities 11/10/2025 6:46 AMAktiv Investment Management (0) PtyMontauk Renewables (1826600) IssuerForm 3Initial statement of beneficial ownership of securities 11/10/2025 6:47 AMAktiv Investment Management (0) PtyMontauk Renewables (1826600) SubjectForm SCHEDULE 13D11/05/2025 3:45 PMMontauk Renewables (1826600) FilerForm 10-QGeneral form for quarterly reports under Section 13 or 15(d) 11/05/2025 3:35 PMMontauk Renewables (1826600) FilerForm 8-KCurrent report pursuant to Section 13 or 15(d) 08/07/2025 7:01 AMMontauk Renewables (1826600) FilerForm 8-KCurrent report pursuant to Section 13 or 15(d) (Data available from 1/1/2016 forward) Montauk Renewables SEC Filings - Frequently Asked Questions How many times has Montauk Renewables filed with the SEC? Montauk Renewables (MNTK) has submitted 113+ filings to the SEC since 2020. You can browse the complete history or filter by form type using the tools above. When does Montauk Renewables typically file its annual 10-K? Montauk Renewables's fiscal year ends on December 31. The company typically files its 10-K annual report by the end of February, covering the prior fiscal year's financial results. Key financial data from these reports is available on Montauk Renewables's financial statements page. What was Montauk Renewables's most recent SEC filing? The most recent filing was a Form 10-Q submitted on May 6, 2026. This was a quarterly financial update for 2025. SEC Filing Types: 10-K, 10-Q, 8-K and More What are SEC filings and why do they matter to investors? SEC filings are legally required disclosures that public companies submit to the U.S. Securities and Exchange Commission. Unlike press releases or earnings call transcripts, these documents are filed under legal obligation — meaning the financial data they contain is audited, standardized, and subject to penalties if materially false. For investors, that makes SEC filings the most reliable primary source available for evaluating a company's true financial position. Are SEC filings public information? Yes. All SEC filings are publicly available through the SEC's EDGAR database and on financial research platforms like MarketBeat. Companies are required by law to make these disclosures accessible to all investors — meaning retail investors have access to the same source documents as institutional analysts. What is the difference between a 10-K and a 10-Q? A 10-K is an annual report containing audited financial statements and a full review of the company's business — it is the most comprehensive filing a company makes each year. A 10-Q is a shorter, unaudited quarterly update filed three times per year between annual reports. Investors typically use the 10-K for deep fundamental analysis and the 10-Q to track whether the company is on pace with its guidance mid-year. What is a 10-K annual report? The most important filing for fundamental investors. Filed once per year, the 10-K contains audited financial statements, revenue and earnings trends, debt obligations, risk factors, and management's own assessment of the business. Reading the risk factors section and comparing year-over-year financials can reveal issues that don't show up in analyst summaries. What is a 10-Q quarterly report? An unaudited financial update filed three times per year (the 10-K covers Q4). Investors use 10-Qs to track whether guidance is on pace, monitor changes in cash flow or inventory, and catch any mid-year shifts in business conditions before they become headline news. What is an 8-K current report? Filed within four business days of a material event — earnings releases, merger announcements, executive departures, or major asset sales. Because 8-Ks are filed before media coverage catches up, they are often the fastest way to get unfiltered information directly from the company on market-moving events. What is a Form 4 insider ownership filing? Filed within two business days whenever an executive or director buys or sells company stock. Insider purchases — especially large or clustered buys — are often interpreted as a signal of management confidence. Insider selling is more ambiguous but worth monitoring for patterns, particularly around lock-up expirations or ahead of major announcements. Related Companies and Tools Related Companies Summit Midstream Partners 10Q Form OPAL Fuels 10Q Form Pure Cycle 10Q Form RGC Resources 10Q Form New Fortress Energy 10Q Form Global Water Resources 10Q Form Ocean Power Technologies 10Q Form Stabilis Solutions 10Q Form Spruce Power 10Q Form Vivopower International 10Q Form SEC Filings Tools Latest SEC Filings13F FilingsTop 13F BuysTop 13F SellsInsider Trading Activity This page (NASDAQ:MNTK) was last updated on 5/20/2026 by MarketBeat.com Staff. From Our PartnersTrump's gold order: the announcement they won't put on the front pageOn August 15, 1971, Nixon interrupted prime-time television and ended the gold standard in 15 minutes - no deb...Reagan Gold Group | SponsoredYour $29.97 book is free todayWhy Some Traders Skip Stocks Entirely You don't need a big account to trade options. 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