Insider · CIK 0001024547
Alan S McKim
Files at CLH (CLEAN HARBORS INC). First filing Mar 4, 2025, latest Mar 5, 2026.
In brief
Alan S McKim files SEC Form 4 as chair and director at CLH (CLEAN HARBORS INC). Since Mar 4, 2025, Alan S McKim has reported 0 open-market buys worth $0 and 4 open-market sells worth $91M, the latest filed on Mar 5, 2026.
A track record needs three past buys with six months of prices behind them; Alan S McKim has 0, so none is measured yet.
The newest scored trade: sold $29M of CLH on Mar 4, 2026, filed Mar 5, 2026, scored 60 (notable). In the last 12 months: 0 buys worth $0 and 2 sells worth $57M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
CLH: CLEAN HARBORS INC
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 60Notable | CLEAN HARBORS INC | $29M 100,000 shares | -5% | +61% from low-1% from high | |
| 60Notable | CLEAN HARBORS INC | $28M 100,000 shares | -4% | +55% from low0% from high | |
| 60Notable | CLEAN HARBORS INC | $22M 100,000 shares | -4% | +23% from low-15% from high | |
| 60Notable | CLEAN HARBORS INC | $11M 52,999 shares | -2% | - |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Mar 4, 2026 | CLH Clean Harbors, Inc. | 100,000 0.19% of outstanding | $29M | Mar 4, 2026 | $31M |
| Feb 19, 2026 | CLH Clean Harbors, Inc. | 108,567 0.21% of outstanding | $31M | Feb 19, 2026 | none |
| Jun 4, 2025 | CLH Clean Harbors, Inc. | 100,000 0.19% of outstanding | $23M | Jun 4, 2025 | none |
| Mar 3, 2025 | CLH CLEAN HARBORS, INC. | 2,999 0.01% of outstanding | $636k | Mar 3, 2025 | none |
| Mar 3, 2025 | CLH Clean Harbors, Inc. | 50,000 0.09% of outstanding | $11M | Mar 3, 2025 | none |
Transactions
Every row this insider has filed, 17 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jul 17, 2026 | CLH CLEAN HARBORS INC | FTax withholding Common Stock | -1,265 | $310.58 | $393k | 30,154 | Jul 20, 2026 |
| Jul 1, 2026 | CLH CLEAN HARBORS INC | FTax withholding Common Stock | -1,343 | $290.74 | $390k | 31,419 | Jul 6, 2026 |
| Mar 13, 2026 | CLH CLEAN HARBORS INC | FTax withholding Common Stock | -1,265 | $288.93 | $365k | 32,762 | Mar 17, 2026 |
| Mar 4, 2026 | CLH CLEAN HARBORS INC | SOpen-market sale Common Stockindirect: McKim 2007 Trust | -100,000 | $292.65 | $29M | 2,065,368 | Mar 5, 2026 |
| Feb 19, 2026 | CLH CLEAN HARBORS INC | SOpen-market sale Common Stockindirect: McKim 2007 Trust | -100,000 | $281.14 | $28M | 2,275,368 | Feb 23, 2026 |
| Feb 19, 2026 | CLH CLEAN HARBORS INC | GGift Common Stockindirect: McKim 2007 Trust | -10,000 | $0.00 | $0 | 2,265,368 | Feb 23, 2026 |
| Sep 16, 2025 | CLH CLEAN HARBORS INC | GGift Common Stockindirect: McKim 2007 Trust | -8,567 | $0.00 | $0 | 2,346,744 | Sep 17, 2025 |
| Sep 16, 2025 | CLH CLEAN HARBORS INC | GGift Common Stockindirect: McKim 2007 Trust | -4,283 | $0.00 | $0 | 2,342,461 | Sep 17, 2025 |
| Jul 1, 2025 | CLH CLEAN HARBORS INC | FTax withholding Common Stock | -1,342 | $229.55 | $308k | 34,027 | Jul 3, 2025 |
| Jun 4, 2025 | CLH CLEAN HARBORS INC | SOpen-market sale Common Stockindirect: McKim 2007 Trust | -41,844 | $225.40 | $9.4M | 2,356,052 | Jun 6, 2025 |
| Jun 5, 2025 | CLH CLEAN HARBORS INC | SOpen-market sale Common Stockindirect: McKim 2007 Trust | -58,156 | $223.80 | $13M | 2,297,896 | Jun 6, 2025 |
| Mar 17, 2025 | CLH CLEAN HARBORS INC | FTax withholding Common Stock | -1,265 | $192.90 | $244k | 35,369 | Mar 18, 2025 |
| Mar 3, 2025 | CLH CLEAN HARBORS INC | SOpen-market sale Common Stockindirect: McKim 2007 Trust | -50,000 | $210.18 | $11M | 2,422,011 | Mar 4, 2025 |
| Mar 3, 2025 | CLH CLEAN HARBORS INC | SOpen-market sale Common Stockindirect: McKim 2007 Trust | -2,999 | $212.02 | $636k | 2,397,896 | Mar 4, 2025 |
| Mar 3, 2025 | CLH CLEAN HARBORS INC | GGift Common Stockindirect: McKim 2023 Annuity Trust | -28,073 | $0.00 | $0 | 0 | Mar 4, 2025 |
| Nov 15, 2024 | CLH CLEAN HARBORS INC | GGift Common Stockindirect: McKim 2007 Trust | -7,200 | $0.00 | $0 | 2,487,011 | Nov 19, 2024 |
| Nov 18, 2024 | CLH CLEAN HARBORS INC | GGift Common Stockindirect: McKim 2007 Trust | -15,000 | $0.00 | $0 | 2,472,011 | Nov 19, 2024 |
Questions about Alan S McKim
Answered from the filings on this page, as of the latest one.
Is Alan S McKim buying or selling?
In the last 12 months Alan S McKim reported 0 open-market buys worth $0 and 2 open-market sells worth $57M on SEC Form 4; the latest was sold $29M of CLH on Mar 4, 2026. Grants, option exercises and tax withholding are not counted.
How did Alan S McKim's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Alan S McKim has 0.
Where does Alan S McKim file Form 4?
Alan S McKim has filed Form 4 at CLH (CLEAN HARBORS INC) as EXEC CHAIR, CTO.. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.