SecSonar.com

Montauk Renewables, Inc. (MNTK)

Montauk Renewables, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Montauk Renewables, Inc. (MNTK) is a Diversified Utilities company based in US with a market capitalization of $249.8M. Revenue grew 0.4% year-over-year and free cash flow was negative at -$86.2M. This page tracks MNTK's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 166 employees · IPO Jan 22, 2021

Valuation

Valuation & price

$1.53 · as of May 17, 2026 · -38.6% vs 52w high

125.2

P/E ratio

Latest-FY diluted EPS

0.95

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$2.49$1.81$1.12Jul 25Dec 25Jun 26Jul 7, 25$2.28Jul 9, 25$2.25Jul 11, 25$2.17Jul 15, 25$2.10Jul 17, 25$2.25Jul 21, 25$2.22Jul 23, 25$2.49Jul 25, 25$2.32Jul 29, 25$2.26Jul 31, 25$2.17Aug 4, 25$2.10Aug 6, 25$2.08Aug 8, 25$1.77Aug 12, 25$1.97Aug 14, 25$2.02Aug 18, 25$2.01Aug 20, 25$1.99Aug 22, 25$2.25Aug 27, 25$2.19Aug 29, 25$2.15Sep 3, 25$2.11Sep 5, 25$2.07Sep 9, 25$2.00Sep 11, 25$2.10Sep 15, 25$1.98Sep 17, 25$2.05Sep 19, 25$2.09Sep 23, 25$2.03Sep 25, 25$2.07Sep 29, 25$2.04Oct 1, 25$2.06Oct 3, 25$2.48Oct 7, 25$2.17Oct 9, 25$2.26Oct 13, 25$2.10Oct 16, 25$2.13Oct 20, 25$2.20Oct 22, 25$2.21Oct 24, 25$2.33Oct 28, 25$2.09Oct 30, 25$2.01Nov 3, 25$2.03Nov 5, 25$1.95Nov 7, 25$1.78Nov 11, 25$1.98Nov 13, 25$1.97Nov 17, 25$1.77Nov 19, 25$1.73Nov 21, 25$1.71Nov 25, 25$1.61Nov 28, 25$1.63Dec 2, 25$1.63Dec 5, 25$1.71Dec 9, 25$1.75Dec 11, 25$1.87Dec 15, 25$1.88Dec 17, 25$1.90Dec 19, 25$1.87Dec 23, 25$1.79Dec 26, 25$1.84Dec 30, 25$1.66Jan 2, 26$1.68Jan 6, 26$1.59Jan 8, 26$1.58Jan 12, 26$1.52Jan 14, 26$1.42Jan 16, 26$1.43Jan 21, 26$1.54Jan 23, 26$1.47Jan 28, 26$1.65Jan 30, 26$1.74Feb 3, 26$1.73Feb 5, 26$1.89Feb 9, 26$1.74Feb 11, 26$1.74Feb 13, 26$1.71Feb 18, 26$1.61Feb 20, 26$1.68Feb 24, 26$1.54Feb 26, 26$1.58Mar 2, 26$1.59Mar 4, 26$1.62Mar 6, 26$1.54Mar 10, 26$1.41Mar 12, 26$1.41Mar 16, 26$1.40Mar 19, 26$1.23Mar 23, 26$1.17Mar 25, 26$1.12Mar 27, 26$1.21Mar 31, 26$1.15Apr 2, 26$1.14Apr 7, 26$1.18Apr 9, 26$1.18Apr 13, 26$1.20Apr 15, 26$1.21Apr 17, 26$1.29Apr 21, 26$1.40Apr 23, 26$1.41Apr 27, 26$1.39Apr 29, 26$1.44May 1, 26$1.40May 5, 26$1.54May 8, 26$1.33May 12, 26$1.41May 14, 26$1.62May 18, 26$1.57May 20, 26$1.47May 22, 26$1.55May 27, 26$1.75May 29, 26$1.74Jun 2, 26$1.71Jun 4, 26$1.70Jun 8, 26$1.72Jun 10, 26$1.68Jun 12, 26$1.66Jun 16, 26$1.61Jun 18, 26$1.59Jun 23, 26$1.56Jun 29, 26$1.58
$1.1252-week range$2.49
Loading valuation history…

Fundamentals

Key fundamentals

$249.8M

Market cap

0.4%

Revenue growth (YoY)

39.0%

Gross margin

-$86.2M

Free cash flow (USD)

$114.2M

Net debt

0.5%

Share dilution

2/5

Graham criteria passed

Defensive-investor screen

Utilities

Sector

Trajectory

Long-term trends

Revenue by year

2018 → 2025

FY 2018$115.1MFY 2019$105.7MFY 2020$100.4MFY 2021$148.1MFY 2022$205.6MFY 2023$174.9MFY 2024$175.7MFY 2025$176.4M
$115.1M$176.4M

Free cash flow by year

2018 → 2025

FY 2018$9.5MFY 2019$-17.8MFY 2020$11.0MFY 2021$32.9MFY 2022$58.8MFY 2023$-22.0MFY 2024$-18.5MFY 2025$-86.2M
$9.5M-$86.2M

Gross margin by year

2021 → 2025

FY 202147.2%FY 202250.7%FY 202345.9%FY 202444.1%FY 202539.0%
47.2%39.0%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

0

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 6, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventAnnual Meeting ResultsMay 28, 2026Filing
  • 8-K eventEarnings ReleaseMay 6, 2026Filing
  • Quarterly report10-Q FiledMay 6, 2026Filing

Questions

Frequently asked questions

What is Montauk Renewables, Inc.'s market cap?

Montauk Renewables, Inc. (MNTK) has a market capitalization of $249.8M.

What is MNTK's P/E ratio?

MNTK trades at a price-to-earnings ratio of 125.2, based on its latest fiscal-year diluted earnings per share and the most recent cached price.

What is MNTK's price-to-book (P/B) ratio?

MNTK trades at 0.95 times book value per share.

Are insiders buying MNTK stock?

SEC Form 4 filings show no open-market insider buys at Montauk Renewables, Inc. in the last 90 days (0 sells).

Same arena

Related companies in Diversified Utilities

UTL

Unitil Corporation

$908.2M

ELPC

Companhia Paranaense de Energia

$2.1B

HE

Hawaiian Electric Industries, Inc.

$2.3B

MGEE

MGE Energy, Inc.

$2.8B

AVA

Avista Corporation

$3.5B

OTTR

Otter Tail Corporation

$3.7B

Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.