Senior insider sale
Chief Operating Officer(CHESI) at CLEAN HARBORS INC — senior position signals high conviction
$1.13M
4.10K shares
What this filing means
GERSTENBERG ERIC W plans to sell 4.10K shares of CLEAN HARBORS INC valued at approximately $1.13M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 3/18/2026ACC: 0001974078-26-000122
Officer· Chief Operating Officer(CHESI)
Since Jul 2018
4.10K
Shares to sell
$1.13M
Approx. market value
5.23K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Equity Comp
Equity Comp
2/1/2026
5.23KTotal acquired5.23K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
2/1/2026 | Equity Comp Equity Comp | 5.23K | — |
| Total | 5.23K | ||
Planned & Completed Dispositions3
Completed
—Completed
Units to sell
2.50K
Market value
$699.6K
2/23/2026
—Completed
Units to sell
601.00
Market value
$144.8K
12/16/2025
Planned — Approximate Date
NYSEPlanned
Units to sell
1K
Market value
$290.0K
3/18/2026
Total
Units
4.10K
Value
$1.13M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
2/23/2026 | 2.50K | $699.6K | — | Completed |
12/16/2025 | 601.00 | $144.8K | — | Completed |
| Planned — Approximate Date | ||||
3/18/2026 | 1K | $290.0K | NYSE | Planned |
| Total | 4.10K | $1.13M | ||