Insider · CIK 0000938731
John T Preston
Files at CLH (CLEAN HARBORS INC). First filing -, latest -.
In brief
John T Preston files SEC Form 4 as director at CLH (CLEAN HARBORS INC). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; John T Preston has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
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 14, 2024 | CLH CLEAN HARBORS, INC. | 1,913 0.00% of outstanding | $360k | Mar 14, 2024 | none |
Transactions
Every row this insider has filed, 2 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 20, 2026 | CLH CLEAN HARBORS INC | AGrant or award Common Stock | +652 | $0.00 | $0 | 7,044 | May 22, 2026 |
| May 21, 2025 | CLH CLEAN HARBORS INC | AGrant or award Common Stock | +789 | $0.00 | $0 | 6,392 | May 23, 2025 |
Questions about John T Preston
Answered from the filings on this page, as of the latest one.
Is John T Preston buying or selling?
John T Preston has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did John T Preston's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and John T Preston has 0.
Where does John T Preston file Form 4?
John T Preston has filed Form 4 at CLH (CLEAN HARBORS INC). 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.