United States Electric Utilities & IPPs

Montauk Renewables Inc (MNTK)

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Montauk Renewables Inc. recorded a single insider purchase over the past ninety days, totaling 25,383.70 USD. John A. Copelyn acquired 17,506 shares on May 11, 2026. This activity follows a period where the stock price appreciated by 23.4 percent, despite the company missing expectations in its most recent quarterly results financiers.
Ticker: MNTK Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Montauk Renewables Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Copelyn John A Non-Executive Director
Transaction date
Purchase
Price
120.91
Quantity 77,767 +47.4%
Value US$3,766,780
3.2
Hill Scott E VP of Business Development Officer
Transaction date
Sale
Price
424.59
Quantity 54,413 -4.6%
Value US$4,767,710
3.2
Hill Scott E VP of Business Development Officer
Transaction date
Sale
Price
211.02
Quantity 54,919 +44.1%
Value US$4,237,105
3.2
McClain Sean F President and CEO Executive Director
Transaction date
Sale
Price
12.68
Quantity 2,250 -0.3%
Value US$28,530
3.2
McClain Sean F President and CEO Executive Director
Transaction date
Sale
Price
12.07
Quantity 57,750 -7.1%
Value US$697,042
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-13 2026-05-11 B Purchase
Copelyn John A
Non-Executive Director
77,767 +47.4%
120.91
US$3,766,780 		77,767 +47.4% 120.91 US$3,766,780
2022-11-29 2022-11-28 S Sale
3.2
Hill Scott E

VP of Business Development

Officer
54,413 -4.6%
424.59
US$4,767,710 		54,413 -4.6% 424.59 US$4,767,710
2022-11-29 2022-11-28 S Sale
3.2
Hill Scott E

VP of Business Development

Officer
54,919 +44.1%
211.02
US$4,237,105 		54,919 +44.1% 211.02 US$4,237,105
2022-11-29 2022-11-28 S Sale
3.2
McClain Sean F

President and CEO

Executive Director
2,250 -0.3%
12.68
US$28,530 		2,250 -0.3% 12.68 US$28,530
2022-11-29 2022-11-28 S Sale
3.2
McClain Sean F

President and CEO

Executive Director
57,750 -7.1%
12.07
US$697,042 		57,750 -7.1% 12.07 US$697,042
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