Montauk Renewables, Inc. (MNTK) SEC Filings & Earnings Calls
EquiReason read 13 Montauk Renewables, Inc. SEC filings in the last 12 months. Latest: 8-K on 2026-08-06 — Revenue $100M (+14% y/y); EBITDA $21M (+85% y/y); Headline earnings $1M (+127% y/y).
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
- Market cap
- 303.2M
- P/E TTM
- 35.5
- Dividend yield
- —
- 52-week
- —
- Next earnings
- 11 Nov, in 18 days
Every filing, read
last 12 months · SECWhat happened, the numbers inside, guidance and risks. The original is one click away.
6 Aug 20268-K · 2.02Revenue $100M (+14% y/y); EBITDA $21M (+85% y/y); Headline earnings $1M (+127% y/y)earningsopen
Figures in the filing · each found in the filing text
| Revenue · H1-2026 | $100M | +14% y/y |
| EBITDA · H1-2026 | $21M | +85% y/y |
| Headline earnings · H1-2026 | $1M | +127% y/y |
| Earnings per share · H1-2026 | $0.00 | +100% y/y |
| Headline earnings per common share · H1-2026 | $0.01 | +133% y/y |
| Net asset value per common share · H1-2026 | $1.85 | +4% y/y |
Risks flagged
No dividend declared to preserve cash for operations
“Directors resolved not to declare a final dividend to focus financial resources on continued development”
5 Aug 202610-QMontauk Renewables reported Q2 2026 revenue of $54.0M (+19.7% YoY) and net income of $0.2M vs a loss of $5.5M in Q2 2025, driven by GreenWave JV income and higher RIN sales.earningsopen
Figures in the filing · each found in the filing text
| RNG production volumes (MMBtu) · Renewable Natural Gas · Q2-2026 | 1,456 | +3% y/y |
| RINs sold · Renewable Natural Gas · Q2-2026 | 14,265 | +29% y/y |
| Average Realized RIN price · Renewable Natural Gas · Q2-2026 | $2.45 | +1% y/y |
| Revenue · Q2-2026 | $54020.00 | +20% y/y |
| Net income (loss) · Q2-2026 | $226.00 | +104% y/y |
| Adjusted EBITDA · Q2-2026 | $12301.00 | +145% y/y |
Risks flagged
Landfill host delays impacting production
“In 2024, we began to experience trends with several of our landfill hosts delaying their installation of or delaying our ability to install wellfield collection infrastructure in active waste placement areas, a practice historically common and critical to our projections of feedstock gas and, therefore, production.” · word for word
Regulatory uncertainty from LCFS price cap proposal
“In June 2025, California lawmakers introduced California Senate Bill SB-237, which includes a potential cap on LCFS credit prices of approximately $75/ton.” · word for word
Small Refinery Exemptions reducing RIN demand
“On August 22, 2025, the EPA issued decisions on 175 Small Refinery Exemption (“SRE”) petitions, granting full exemptions to 63 petitions and partial exemptions to 77 petitions for the 2023 and 2024 compliance years.” · word for word
5 Aug 20268-K · 2.02Revenues $54M (+20% y/y); Net income $200,000.00 (+104% y/y); Non-GAAP Adjusted EBITDA $12M (+144% y/y); Guidance: RNG revenue $175-190M; RNG production 5.8-6.0M MMBtu; REG revenue $23-26Mearningsopen
Figures in the filing · each found in the filing text
| Revenues · Q2-2026 | $54M | +20% y/y |
| Net income · Q2-2026 | $200000.00 | +104% y/y |
| Non-GAAP Adjusted EBITDA · Q2-2026 | $12M | +145% y/y |
| RNG production · Q2-2026 | $2M | +3% y/y |
| RINs from operations sold · Q2-2026 | 14,300,000 | +29% y/y |
| Renewable Electricity production · Q2-2026 | $44000.00 | +5% y/y |
| Operating loss · Q2-2026 | $-100000.00 |
Guidance
RNG revenue $175-190M; RNG production 5.8-6.0M MMBtu; REG revenue $23-26M
FY2026 outlook maintained for RNG; REG outlook reduced due to facility delay; profitability improving.
Risks flagged
Regulatory transition to Biogas Regulatory Reform Rule causing significant drop in RIN generation (95.4% decrease).
“RINs generated and unseparated decreased approximately 95.4% as a result of the transition to the Biogas Regulatory Reform Rule in 2025.” · word for word
RNG commodity revenue decline of 63.7% due to expiration of fixed-price contracts; reliance on RIN revenue.
“RNG commodity revenue decreased approximately 63.7% which was offset by an increase in RINs sold.” · word for word
Montauk Ag Renewables facility delay impacting REG revenue outlook.
“Reduction in REG revenues and volumes outlook relates to our current expectations on the commencement of revenue and REG generation at our Montauk Ag Renewables facility.” · word for word
6 May 20268-K · 2.02Revenues $46M (+9% y/y); Net income $5,000.00; Non-GAAP Adjusted EBITDA $11M (+23% y/y); Guidance: RNG revenues $175-$190M, RNG production 5.8-6.0M MMBtu; REG revenues $33-$37M, production 195-207k MWhearningsopen
Figures in the filing · each found in the filing text
| Revenues · Q1-2026 | $46M | +9% y/y |
| Net income · Q1-2026 | $5000.00 | |
| Non-GAAP Adjusted EBITDA · Q1-2026 | $11M | +23% y/y |
| RNG production · RNG · Q1-2026 | $1M | 0% y/y |
| RINs sold · Q1-2026 | 12,400,000 | +26% y/y |
| Renewable Electricity production · REG · Q1-2026 | $43000.00 | -7% y/y |
Guidance
RNG revenues $175-$190M, RNG production 5.8-6.0M MMBtu; REG revenues $33-$37M, production 195-207k MWh
Full-year 2026 guidance reaffirmed; new project commissioning supports future growth; management tone positive on regulatory tailwinds and liquidity.
Risks flagged
RNG commodity revenue decline due to fixed-price contract expirations; reliance on RINs for growth.
“RNG commodity revenue decreased approximately 49.3% which was offset by an increase in RINs sold of 25.5%.” · word for word
Production flat; some facilities saw declines due to wellfield changes and maintenance.
“Galveston facility produced 41k MMBtu fewer; McCarty facility produced 88k MMBtu fewer.”
Operating loss widened despite revenue growth; cost pressures from maintenance and new project.
“Operating loss in Q1 2026 was $1.6M compared to operating income of $0.4M in Q1 2025.”
6 May 202610-QRNG production volumes (MMBtu) 1,354 (-2% y/y); RINs sold 12,403 (+26% y/y); Average realized RIN price $2.42 (-2% y/y); Guidance: 2026 development capex guided $80,000-$100,000; non-development capex $20,000-$25,000open
Figures in the filing · each found in the filing text
| RNG production volumes (MMBtu) · Renewable Natural Gas · Q1-2026 | 1,354 | -3% y/y |
| RINs sold · Renewable Natural Gas · Q1-2026 | 12,403 | +26% y/y |
| Average realized RIN price · Renewable Natural Gas · Q1-2026 | $2.42 | -2% y/y |
| Renewable Electricity Generation volumes (MWh) · Renewable Electricity Generation · Q1-2026 | 43 | -7% y/y |
| Revenue · Q1-2026 | $46M | +9% y/y |
| Net income (loss) · Q1-2026 | $5000.00 | +101% y/y |
| Adjusted EBITDA · Q1-2026 | $11M | +23% y/y |
| Operating cash flow · Q1-2026 | $16M | +73% y/y |
| Capital expenditure · Q1-2026 | $39M | |
| GreenWave income (JV) · Corporate · Q1-2026 | $3M |
Guidance
2026 development capex guided $80,000-$100,000; non-development capex $20,000-$25,000
Management reaffirmed development capex plans and provided 2026 capex guidance, but noted ongoing production headwinds from landfill host delays and higher operating expenses.
Risks flagged
Landfill host delays and wellfield issues constraining production
“In 2024, we began to experience trends with several of our landfill hosts delaying their installation of or delaying our ability to install wellfield collection infrastructure in active waste placement areas, a practice historically common and critical to our projections of feedstock gas and, therefore, production. These landfill-driven delays impact the tim” · word for word
Regulatory uncertainty from RFS waivers and SREs
“On June 13, 2025, the EPA issued a final rule partially waiving the 2024 cellulosic biofuel volume requirement, reducing the requirement from 1,090 to 1,010 D3 RINs based on actual production levels. ... On August 22, 2025, the EPA issued decisions on 175 Small Refinery Exemption (“SRE”) petitions, granting full exemptions to 63 petitions and partial exempti” · word for word
CO2 offtake contract termination delays project
“In April 2026, we sent a letter confirming termination of our contract with European Energy North America (“EENA”) for the delivery of biogenic carbon dioxide (“CO2”). The termination was due to EENA’s failure to provide certain contractual assurances and notices related to the construction of their Texas-based e-methanol facility.” · word for word
Dependence on RIN and LCFS credit prices
“Our profitability is highly dependent on the market price of Environmental Attributes, including the market price for RINs.” · word for word
10 Apr 2026DEF 14AProxy statement for annual meeting; discloses executive compensation, governance, and operational updates including Turkey facility capex and new credit facility.open
Figures in the filing · each found in the filing text
| RNG production increase at Pico · Pico · FY2025 | 31.8% | |
| RNG production increase at Apex · Apex · FY2025 | 7.8% | |
| RINs received from GreenWave · GreenWave · FY2025 | 706,000 | |
| GreenWave income · GreenWave · FY2025 | $2M | |
| Turkey facility feedstock capacity · Turkey · FY2026 | 35,000 | |
| Turkey facility first phase capex · Turkey · FY2026 | $200M | |
| Senior Credit Facility amount · FY2026 | $200M | |
| Adjusted EBITDA goal · FY2025 | $65M |
Risks flagged
Adjusted EBITDA goal not achieved
“None of the NEOS received this performance bonus because less than 95% of the 2025 Adjusted EBITDA goal was attained.” · word for word
Controlled company governance
“The parties to the Consortium Agreement beneficially own approximately 52.3% of our common stock as of April 2, 2026. As a result, we are a 'controlled company' within the meaning of the Nasdaq listing rules.” · word for word
12 Mar 20268-K · 2.02Revenue $176M (+0% y/y); Earnings per share $0.01 (-86% y/y); Headline earnings per common share $0.03 (-62% y/y)earningsopen
Figures in the filing · each found in the filing text
| Revenue · FY2025 | $176M | +0% y/y |
| Earnings per share · FY2025 | $0.01 | -86% y/y |
| Headline earnings per common share · FY2025 | $0.03 | -63% y/y |
| Net asset value per common share · FY2025 | $1.84 | +3% y/y |
Risks flagged
Significant earnings decline and impairment indicate operational challenges.
“EBITDA -21.2%; headline earnings -60.4%; impairment of plant and equipment $3.2M.”
11 Mar 20268-K · 2.02Revenues $176M (+0% y/y); Net Income $2M (-82% y/y); Non-GAAP Adjusted EBITDA $36M (-16% y/y); Guidance: RNG revenue $175-190M, RNG production 5.8-6.1M MMBtu, Renewable Electricity revenue $35-41M, production 195-207K MWhearningsopen
Figures in the filing · each found in the filing text
| Revenues · FY2025 | $176M | 0% y/y |
| Net Income · FY2025 | $2M | -82% y/y |
| Non-GAAP Adjusted EBITDA · FY2025 | $36M | -17% y/y |
| RNG production · FY2025 | $6M | +1% y/y |
| RINs sold · FY2025 | 44,100,000 | +21% y/y |
| Average realized RIN price · FY2025 | $2.33 | -29% y/y |
Guidance
RNG revenue $175-190M, RNG production 5.8-6.1M MMBtu, Renewable Electricity revenue $35-41M, production 195-207K MWh
FY2026 guidance implies modest revenue growth (RNG midpoint $182.5M vs $176.4M) and production growth, but margin pressure from RIN pricing persists.
Risks flagged
Significant decline in RIN pricing (-29%) compressed margins and profitability; regulatory uncertainty around North Carolina swine RECs.
“Average RIN price fell 29% to $2.33; net income down 82%; NCUC waiver request denied but compliance obligations increase.”
11 Mar 202610-KRevenue from Environmental Attributes as % of operating revenues 67; Revenue from Waste Management landfills as % of total revenue 36.8; Revenue from Republic Services landfills as % of total revenue 19.9open
Figures in the filing · each found in the filing text
| Revenue from Environmental Attributes as % of operating revenues · FY2025 | 67.0% | |
| Revenue from Waste Management landfills as % of total revenue · FY2025 | 36.8% | |
| Revenue from Republic Services landfills as % of total revenue · FY2025 | 19.9% | |
| Senior credit facility capacity · 2026-03-09 | $200M | |
| Senior credit facility outstanding · 2026-03-11 | $155M |
Risks flagged
Regulatory Risk - RIN Program Changes
“On December 12, 2024, EPA proposed a partial waiver of 2024 Cellulosic Biofuel Volume Requirements due to the projected shortfall of D3 RINs available to meet the 2024 RVO.” · word for word
Policy Risk - Fossil Fuel Focus
“On February 12, 2026, the EPA formally repealed the 2009 Greenhouse Gas Endangerment Finding, a foundational policy that determined carbon dioxide and other greenhouse gases pose a threat to public health and welfare.” · word for word
Customer Concentration Risk
“Our projects located on Waste Management operated landfills represented 36.8%, 38.5% and 37.3% of our revenue in 2025, 2024, and 2023, respectively.” · word for word
Project Execution Risk
“For example, our development of the Montauk AG project in Turkey, North Carolina has been delayed due to the inability of the construction company to meet agreed upon deadlines.” · word for word
Credit Facility Covenant Risk
“The Credit Agreement is subject to customary events of default, and contemplates that we would be in default if, for any fiscal quarter, the average monthly D3 RIN price is less than $1.00 per RIN.” · word for word
7 Jan 20268-K · 1.01Entered a material definitive agreement (acquisition, partnership, or major contract); filed financial statements and exhibits with this reportopen
Risks flagged
Increased leverage ratio may indicate financial strain
“replacement of Total Leverage Ratio with Total Net Leverage Ratio and increase to 3.50x”
5 Nov 20258-K · 2.02Revenues $45M (-31% y/y); Adjusted EBITDA $13M (-56% y/y); RNG production 1,400,000 (+4% y/y); Guidance: RNG revenues $150-$170M, RNG production 5.8-6.0M MMBtu, REG revenues $17-$18M, REG production 175-180K MWhearningsopen
Figures in the filing · each found in the filing text
| Revenues · Q3-2025 | $45M | -31% y/y |
| Adjusted EBITDA · Q3-2025 | $13M | -56% y/y |
| RNG production · Q3-2025 | $1M | +4% y/y |
| RINs sold · Q3-2025 | 12,400,000 | -21% y/y |
| Net income · Q3-2025 | $5M | -70% y/y |
Guidance
RNG revenues $150-$170M, RNG production 5.8-6.0M MMBtu, REG revenues $17-$18M, REG production 175-180K MWh
Full-year guidance reaffirmed but at lower levels; revenue and margin under pressure from RIN price decline.
Risks flagged
Dependence on RIN prices and regulatory uncertainty
“Average D3 RIN index price decreased 34.8% YoY; EPA rule finalization delayed potentially into 2026 due to government shutdown.”
Strategic shift to fixed-price arrangements reduces RIN sales
“Decision to sell increased amount under fixed/floor-price arrangements contributed to having less RINs to sell.”
5 Nov 202510-QMontauk Renewables reported Q3 2025 revenue down 31.3% YoY and net income down 69.5% YoY, driven by lower RIN pricing and sales.earningsopen
Figures in the filing · each found in the filing text
| RNG production volumes (MMBtu) · Renewable Natural Gas · Q3-2025 | 1,445 | +4% y/y |
| RINs sold · Renewable Natural Gas · Q3-2025 | 12,410 | -21% y/y |
| Average Realized RIN price · Renewable Natural Gas · Q3-2025 | $2.29 | -31% y/y |
| Revenue · Total · Q3-2025 | $45258.00 | -31% y/y |
| Net Income · Total · Q3-2025 | $5205.00 | -70% y/y |
| Adjusted EBITDA · Total · Q3-2025 | $12823.00 | -56% y/y |
| RNG production volumes (MMBtu) - YTD · Renewable Natural Gas · 9M-2025 | 4,247 | +1% y/y |
| RINs sold - YTD · Renewable Natural Gas · 9M-2025 | 33,345 | -1% y/y |
| Average Realized RIN price - YTD · Renewable Natural Gas · 9M-2025 | $2.34 | -28% y/y |
Risks flagged
RIN Price Volatility
“Average pricing realized on RIN sales during the third quarter of 2025 was $2.29 as compared to $3.34 in the third quarter of 2024, a decrease of 31.4%.” · word for word
Regulatory Risk (BRRR, RVO, LCFS)
“We had approximately 749 RINs generated but unseparated at September 30, 2025 which reduced the amount of RINs available for sale as of September 30, 2025.” · word for word
Feedstock Supply Disruption
“In the third quarter of 2024, we began to experience trends with several of our landfill hosts delaying their installation of or delaying our ability to install wellfield collection infrastructure in active waste placement areas... We expect these trends to continue through 2025.” · word for word
Project Execution Risk
“In the first quarter of 2025, we received notice from the utility that it will no longer accept RNG into its distribution system... We have paused further capital expenditures related to this site.” · word for word
Liquidity Risk
“At September 30, 2025 and September 30, 2024, our cash and cash equivalents, net of restricted cash, was $6,766 and $54,973, respectively.” · word for word
Montauk Renewables, Inc. — questions
- What did Montauk Renewables, Inc. file recently?
- 13 SEC filings in the last 12 months. Latest: 8-K on 2026-08-06 — Revenue $100M (+14% y/y); EBITDA $21M (+85% y/y); Headline earnings $1M (+127% y/y)
Every figure on this page comes from Montauk Renewables, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.
How these figures are read: methodology · EquiReason.