Preston John T insider trades
Preston John T has filed 10 Form 4s with the SEC that we hold, all for Clean Harbors INC (CLH), as Director. Across all of them we count 0 purchases worth $0 and 4 sales worth $1.5M reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 3,750 shares of Clean Harbors INC worth $505.9K, dated 2023-03-02. The first filing on our record is dated 2022-01-05 and the latest 2026-05-22.
Clean Harbors INC (CLH)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2022-08-08 | S, sale reported on Form 4 | 2,168 | $241.7K | 2022-08-09 |
| 2023-03-02 | S, sale reported on Form 4 | 3,750 | $505.9K | 2023-03-03 |
| 2023-08-16 | S, sale reported on Form 4 | 2,095 | $363.9K | 2023-08-17 |
| 2024-03-14 | S, sale reported on Form 4 | 1,913 | $360.3K | 2024-03-15 |
Counted from the Form 4 filings this reporting owner (SEC CIK 938731) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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