Reporting owner · Q3 2026 · CIK 1211558

Gerstenberg Eric W: insider trades.

Gerstenberg Eric W reported 7 non-derivative transactions on 6 SEC ownership filings in Q3 2026: 0 open-market purchases and 3 sales ($1.8M), across 1 company.

Transactions
7
Purchases (P)
0
Sales (S)
3
Companies
1
Name as filed
GERSTENBERG ERIC W

Companies

CompanyRelationshipTransactions
Clean Harbors Inc (CLH)Officer · CO-CEO7

Transactions

7 non-derivative rows. Shares and prices as filed.
DateCompanyCodeSharesPriceOwned afterFiling
2026-08-14Clean Harbors IncS2,500$321.3456,793Form 4
2026-07-01Clean Harbors IncF564$290.7459,293Form 4/A
2026-07-01Clean Harbors IncF564$290.7438,313Form 4
2026-03-18Clean Harbors IncS1,000$29359,857Form 4/A
2026-03-13Clean Harbors IncD2,166$060,857Form 4/A
2026-03-13Clean Harbors IncF977$288.9363,023Form 4/A
2026-02-23Clean Harbors IncS2,500$279.8664,000Form 4/A

Questions

What stock did Gerstenberg Eric W buy or sell?

Gerstenberg Eric W reported 7 non-derivative transactions on 6 SEC ownership filings in Q3 2026: 0 open-market purchases and 3 sales ($1.8M), across 1 company.

Is Gerstenberg Eric W the same person as other filers with this name?

This page covers SEC CIK 1211558 only. The SEC assigns each reporting owner a CIK, and people with the same name have different CIKs.

Source: SEC Insider Transactions Data Sets, Q3 2026. Reported as filed; we do not assess intent, performance or compliance. All filings for this CIK on SEC.gov.

Plain-text version for agents and LLMs: /insiders/gerstenberg-eric-w-1211558.md

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