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MNTK Montauk Renewables, Inc. Insider Trading

Latest: Director Bought $25K of Shares · May 2026

The only insider purchase or sale analyzed for Montauk Renewables, Inc. (MNTK) so far is Director Copelyn John A, who bought $25K in May 2026.

1 filing analyzed · Latest 2026-05-13

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Buys
1
Sells
0
Insiders
1
Direction
Net buying

Montauk Renewables, Inc. leadership

CEO
Sean F. McClain — Chief Executive Officer
CFO
Kevin A. Van Asdalan — Chief Financial Officer
General Counsel
John Ciroli — Chief Legal Officer and Secretary
Chair
John A. Copelyn — Chairman of the Board

Historically, medium-priority insider buys have outperformed the S&P 500 by a median ~1% over the 30 days after the trade — the edge is concentrated in that first month (n ≈ 7,162, 2024-2026). Past results don't predict the future. How we measure this ↗

May 2026
2026-05-13
medium
17,506 shares
$25,384
@ $1.45
Significance 5

Director Copelyn purchases ~17.5k shares at $1.45 in first open-market buy; stock down from 52-week highs but profitable company with modest growth.

Copelyn John A, a director at Montauk Renewables, made his first open-market purchase on record, buying a meaningful stake at a price well below the 52-week high. The company remains profitable with growing quarterly revenue, creating a backdrop where insider buying at depressed valuations typically warrants investor attention. However, the company trades at a stretched valuation multiple relative to its earnings, and the broader stock price has declined over the past three months despite a recent one-month rally. As a first-time buyer, Copelyn's entry provides a data point on director conviction, but without a track record of prior trades at this company, the significance of this single purchase is limited to the fact that it occurred during a period when the stock trades well below its recent highs.

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