Summary
Updated Aug 30, 2026
Mark S. Comora is Director, 10% Owner of OPAL Fuels Inc. (OPAL). 2 SEC Form 4 filings on record, most recently on 2 April 2026.
Recent Transactions
1Every recent SEC Form 4 transaction Mark S. Comora has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Mark S. Comora files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Scott V. Dols - $102K of OPAL open-market activity in the last 12 months
- Scott McDougald Sutton - $98K of OPAL open-market activity in the last 12 months
- Nadeem Nisar - $84K of OPAL open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Mark S. Comora?
Mark S. Comora is a corporate insider, tracked as Director, 10% Owner of OPAL Fuels Inc. (OPAL). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Mark S. Comora last file a Form 4?
The most recent primary Form 4 on record is dated 2 April 2026, one of 2 filings going back to 2026.
Has Mark S. Comora been buying or selling stock?
Recorded transactions: 1 open-market purchase and 0 open-market sales across all tracked filings.
Where can I see all of Mark S. Comora'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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