United States Electric Utilities & IPPs

Montauk Renewables Inc (MNTK)

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Montauk Renewables Inc has recorded no insider trading activity within the past ninety days. The most recent transaction occurred on May 11, 2026, when an individual purchased shares valued at approximately 25,384 dollars. Prior historical filings indicate various divestments by corporate officers during late 2022.
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
3.2
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
3.2
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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