Summary
Updated Aug 30, 2026
John A. Copelyn is Director of Montauk Renewables, Inc. (MNTK). 1 SEC Form 4 filing on record, dated 13 May 2026. Most recent open-market trade: bought $25K of MNTK on 13 May 2026. Lifetime open-market purchases: $25K.
Recent Transactions
1Every recent SEC Form 4 transaction John A. Copelyn has reported, most recent first.
Most Active Insiders Right Now
John A. Copelyn has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- Stephen M. Bloch - $100.11M of LQDA open-market activity in the last 90 days
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Frequently Asked Questions
Who is John A. Copelyn?
John A. Copelyn is a corporate insider, tracked as Director of Montauk Renewables, Inc. (MNTK). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did John A. Copelyn last file a Form 4?
The only primary Form 4 on record is dated 13 May 2026.
Has John A. Copelyn been buying or selling stock?
Recorded transactions: 1 open-market purchase ($25K) and 0 open-market sales across all tracked filings.
Where can I see all of John A. Copelyn's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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