Alan S. McKim is CEO & President at CLEAN HARBORS INC (CLH). They have made 51 open-market trades across 2 companies since 2006, most recently 2026-07-17.
CIK 0001024547
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
1 open-market purchase totalling $1.2M since 2014, against 50 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| CLH | 30,154 | $9.7M |
| CLHB | 2,810,191 | — |
| Total | $9.7M |
Shares reported on the most recent Form 4, priced at the 2026-07-20 close. 1 holding could not be priced and is excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 100% | 0% | 0% |
| Avg Move | -4.3% | +2.5% | +2.5% |
| Scored | 6 | 6 | 6 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| CLH | SELL | 2026-03-04 | 2026-03-05 | $292.65 | $29.3M | +1.2% | +4.4% | -0.1% |
| CLH | SELL | 2026-02-19 | 2026-02-23 | $281.14 | $28.1M | +2.9% | +2.4% | +1.9% |
| CLH | SELL | 2025-06-04 | 2025-06-06 | $224.47 | $44.9M | +0.1% | +3.8% | +8.4% |
| CLH | SELL | 2025-03-03 | 2025-03-04 | $210.38 | $11.8M | -4.3% | -1.5% | +12.0% |
| CLH | SELL | 2024-06-11 | 2024-06-13 | $215.51 | $10.8M | +4.1% | +4.4% | +9.5% |
| CLH | SELL | 2024-02-26 | 2024-02-28 | $183.14 | $12.8M | +3.0% | +8.7% | +18.4% |
| CLH | SELL | 2023-12-20 | 2023-12-22 | $178.37 | $6.2M | -6.9% | -2.1% | +10.6% |
| CLH | SELL | 2023-11-16 | 2023-11-20 | $164.56 | $24.7M | +1.3% | +7.4% | +13.8% |
| CLH | SELL | 2023-07-03 | 2023-07-06 | $164.43 | $405K | +1.3% | +3.3% | -0.5% |
| CLH | SELL | 2023-05-15 | 2023-05-17 | $139.10 | $17.2M | +2.5% | +11.4% | +23.9% |
| CLH | SELL | 2023-03-15 | 2023-03-17 | $133.07 | $309K | +0.3% | +6.4% | +15.8% |
| CLH | SELL | 2022-11-28 | 2022-11-29 | $120.45 | $4.8M | +0.7% | -0.2% | +15.4% |
| CLH | SELL | 2022-03-17 | 2022-03-21 | $109.24 | $7.7M | +3.1% | +1.6% | -22.3% |
| CLH | SELL | 2021-08-30 | 2021-09-01 | $102.63 | $4.4M | -5.0% | +3.3% | -2.5% |
| CLH | SELL | 2021-08-25 | 2021-08-26 | $101.76 | $2.5M | +0.2% | +4.1% | +9.9% |
| CLH | SELL | 2020-11-13 | 2020-11-17 | $70.86 | $2.8M | -1.3% | +0.0% | +16.2% |
| CLH | SELL | 2020-08-12 | 2020-08-14 | $64.19 | $3.0M | -6.1% | -10.8% | +10.1% |
| CLH | SELL | 2020-08-10 | 2020-08-12 | $65.30 | $6.3M | -4.4% | -13.0% | +15.1% |
| CLH | SELL | 2019-12-02 | 2019-12-04 | $82.75 | $1.7M | +1.1% | +2.9% | -16.7% |
| CLH | SELL | 2019-06-04 | 2019-06-06 | $65.30 | $1.5M | +1.7% | +5.7% | +10.8% |
| CLH | SELL | 2019-05-28 | 2019-05-30 | $65.32 | $5.1M | +6.2% | +11.9% | +17.7% |
| CLH | SELL | 2018-11-05 | 2018-11-07 | $64.17 | $6.4M | +0.5% | -13.6% | -10.6% |
| CLH | SELL | 2018-05-14 | 2018-05-16 | $52.11 | $5.2M | +1.9% | +2.3% | +21.6% |
| CLH | SELL | 2018-03-21 | 2018-03-22 | $51.47 | $4.3M | -2.0% | -2.2% | +8.5% |
| CLH | SELL | 2017-03-06 | 2017-03-08 | $56.78 | $9.7M | +1.1% | +0.8% | +4.6% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.