MNTK

Montauk Renewables, Inc.$1.68+0.06 (+3.40%)

Prev Close$1.62·MCap$217.7M·P/E118.64·Vol69.5K·Yield—

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Buys (12M)

$25.4K

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Sells (12M)

$4.6K

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Net Activity

Net Buyer

$20.8K

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Active Insiders

last 12 mo

Over the past 12 months, insider activity at Montauk Renewables, Inc. (MNTK) has been dominated by buying, with 1 insider purchase totaling $25.4K and 1 insider sale totaling $4.6K. The most recent insider transaction was by Copelyn John A (director), who purchased $25.4K worth of shares on May 13, 2026. Montauk Renewables, Inc. operates in the Utilities sector, within the Diversified Utilities industry, with a market cap of $217.7M.

MNTK Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
May 13, 2026	Copelyn John A	director	Buy	17,506	$1.45	$25.4K	17,506
Nov 24, 2025	Frank Sharon R	VP Environ Health & Safety	Sell	2,748	$1.67	$4.6K	0
Nov 29, 2022	Hill Scott E	VP of Business Development	Sell	104,147	$12.03	$1.25M	622,810
Nov 29, 2022	McClain Sean F	President and CEO	Sell	60,000	$12.09	$725.6K	760,239

MNTK Insider Buying Activity

The following table shows recent insider purchases of Montauk Renewables, Inc. (MNTK) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
May 13, 2026	Copelyn John A	director	Buy	17,506	$1.45	$25.4K	17,506

MNTK Insider Selling Activity

The following table shows recent insider sales of Montauk Renewables, Inc. (MNTK) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Nov 24, 2025	Frank Sharon R	VP Environ Health & Safety	Sell	2,748	$1.67	$4.6K	0
Nov 29, 2022	Hill Scott E	VP of Business Development	Sell	104,147	$12.03	$1.25M	622,810
Nov 29, 2022	McClain Sean F	President and CEO	Sell	60,000	$12.09	$725.6K	760,239