Summary
Updated Aug 31, 2026
Michael Louis Battles is CO-CEO, Director of CLEAN HARBORS INC (CLH). 6 SEC Form 4 filings on record going back to 2025, most recently on 12 August 2026. Most recent open-market trade: bought $467K of CLH on 4 August 2025. Lifetime open-market purchases: $467K.
Recent Transactions
9Every recent SEC Form 4 transaction Michael Louis Battles has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Michael Louis Battles go back to 2025: 6 primary Form 4 filings, an average of 3.0 per year. The typical open-market purchase is $467K (1 buy totaling $467K). The largest single buy on record is $467K of CLH in 2025. 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 Michael Louis Battles 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
- Edmond Coletta - $1.60M of CWST open-market activity in the last 12 months
- Douglas R. Casella - $1.50M of CWST 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
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Michael Louis Battles?
Michael Louis Battles is a corporate insider, tracked as CO-CEO, Director of CLEAN HARBORS INC (CLH). InsiderAlpha holds 6 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 Michael Louis Battles submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Michael Louis Battles been buying or selling stock?
Recorded transactions: 1 open-market purchase ($467K) and 0 open-market sales across all tracked filings.
Where can I see all of Michael Louis Battles'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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