JOHN T. PRESTON

Insider Reports History

Location
Waltham, MA
Signature
/s/ John T. Preston
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by JOHN T. PRESTON:

Stock Role Class Num Shares Value Price $ Report Date Ownership
CLEAN HARBORS INC Director Common Stock 6.39K $1.24M $194.06 21 May 2025 Direct

Insider Reports Filed by JOHN T. PRESTON

Symbol Company Period Transactions Value $ Form Type Role Filing Time
CLH CLEAN HARBORS INC 21 May 2025 1 $0 4 Director 23 May 2025, 12:10
CLH CLEAN HARBORS INC 22 May 2024 1 $0 4 Director 23 May 2024, 09:22
CLH CLEAN HARBORS INC 14 Mar 2024 1 -$360K 4 Director 15 Mar 2024, 12:14
CLH CLEAN HARBORS INC 16 Aug 2023 1 -$364K 4 Director 17 Aug 2023, 10:39
CLH CLEAN HARBORS INC 24 May 2023 1 $0 4 Director 25 May 2023, 11:28
CLH CLEAN HARBORS INC 02 Mar 2023 1 -$506K 4 Director 03 Mar 2023, 07:47
CLH CLEAN HARBORS INC 08 Aug 2022 1 -$242K 4 Director 09 Aug 2022, 12:02
CLH CLEAN HARBORS INC 25 May 2022 1 $0 4 Director 26 May 2022, 13:44
CLH CLEAN HARBORS INC 03 Jan 2022 1 $0 4 Director 05 Jan 2022, 08:27
CLH CLEAN HARBORS INC 03 Jun 2021 1 $0 4 Director 07 Jun 2021, 16:33