John R. Welch

Insider Reports History

Location
Weston, MA
Signature
/s/ John R. Welch
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 R. Welch:

Company Role Class Num Shares Value Price $ Report Date Ownership
CLEAN HARBORS INC Director Common Stock 10,987 $2,384,618 $217.04 17 Dec 2025 Direct

Insider Reports Filed by John R. Welch

Symbol Company Period Transactions Value $ Form Type Role Filing Time
CLH CLEAN HARBORS INC 17 Dec 2025 1 $0 4 Director 29 Dec 2025, 15:54
CLH CLEAN HARBORS INC 28 May 2025 1 -$285,638 4 Director 29 May 2025, 08:42
CLH CLEAN HARBORS INC 21 May 2025 1 $0 4 Director 23 May 2025, 12:15
CLH CLEAN HARBORS INC 22 May 2024 1 $0 4 Director 23 May 2024, 08:58
CLH CLEAN HARBORS INC 26 Feb 2024 1 $0 4 Director 27 Feb 2024, 08:35
CLH CLEAN HARBORS INC 02 Jun 2023 1 -$150,430 4 Director 05 Jun 2023, 14:54
CLH CLEAN HARBORS INC 24 May 2023 1 $0 4 Director 25 May 2023, 11:31
CLH CLEAN HARBORS INC 25 May 2022 1 $0 4 Director 26 May 2022, 13:38
CLH CLEAN HARBORS INC 03 Jan 2022 1 $0 4 Director 05 Jan 2022, 08:33
CLH CLEAN HARBORS INC 05 Aug 2021 1 -$544,775 4 Director 09 Aug 2021, 10:45
CLH CLEAN HARBORS INC 03 Jun 2021 1 $0 4 Director 07 Jun 2021, 16:20