Quick Takeaways
- Eric W. Gerstenberg has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $11,390,961.
- Recent insider filing activity is available below.
Insider Trading & Ownership of Eric W. Gerstenberg
- Location
- Kingston, MA
- Summary
- The estimated net worth of Eric W. Gerstenberg is at least $11,390,961 dollars as of 19 Mar 2026. Eric W. Gerstenberg is the CO-CEO of CLEAN HARBORS INC and owns shares of CLEAN HARBORS INC (CLH) stock worth about $11.39M.
- Signature
- /s/ Eric W. Gerstenberg
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Eric W. Gerstenberg and return when a new Insider Trading filing changes the record on this page.
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What Changed
- Largest disclosed position: CLEAN HARBORS INC ($11,390,961).
- Past-year value change for that position: -$2,956,388.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Eric W. Gerstenberg
CLH
Forms 3/4/5
CLEAN HARBORS INC
- Relationship
- Co Ceo
- Holdings value
- $11,390,961
- Past year net change
- -$2,956,388
- Change %
- -21%
- Report period
- 18 Mar 2026
Insider Transactions Reported by Eric W. Gerstenberg:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.