Quick Takeaways
- Alan S. Mckim has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $636,119,921.
- Recent insider filing activity is available below.
Insider Trading & Ownership of Alan S. Mckim
- Location
- Norwell, MA
- Summary
- The estimated net worth of Alan S. Mckim is at least $636,119,921 dollars as of 17 Mar 2026. Alan S. Mckim is the EXEC CHAIR, CTO., Director of CLEAN HARBORS INC and owns shares of CLEAN HARBORS INC (CLH) stock worth about $636.12M.
- Signature
- /s/ C. Michael Malm, Attorney-in-Fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Alan S. Mckim and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean. If you create an account from here, we will bring you back after verification.
What Changed
- Largest disclosed position: CLEAN HARBORS INC ($636,119,921).
- Past-year value change for that position: -$79,825,950.
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 Alan S. Mckim
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| CLH | CLEAN HARBORS INC | EXEC CHAIR, CTO., Director | $636,119,921 | -$79,825,950 | -11% | 13 Mar 2026 |
Insider Transactions Reported by Alan S. Mckim:
| 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.