Summary
Updated Aug 31, 2026
Charles H. Geer II is EVP, Industrial Services of CLEAN HARBORS INC (CLH). 4 SEC Form 4 filings on record going back to 2025, most recently on 6 July 2026.
Recent Transactions
6Every recent SEC Form 4 transaction Charles H. Geer II has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Charles H. Geer II go back to 2025: 4 primary Form 4 filings, an average of 2.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Charles H. Geer II 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.
- Alan S. McKim - $57.38M of CLH open-market activity in the last 12 months
- Eric W. Gerstenberg - $1.80M of CLH open-market activity in the last 12 months
- Brian P. Weber - $1.37M of CLH open-market activity in the last 12 months
- Sharon M. Gabriel - $999K of CLH open-market activity in the last 12 months
- Eric J. Dugas - $784K of CLH open-market activity in the last 12 months
- Andrea Robertson - $248K of CLH 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 Charles H. Geer II?
Charles H. Geer II is a corporate insider, tracked as EVP, Industrial Services of CLEAN HARBORS INC (CLH). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Charles H. Geer II submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Charles H. Geer II'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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