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Welch John R.

SEC insider (Form 3/4/5 filer). CIK 0001611303. Director at CLEAN HARBORS INC (CLH). 5 reported Form 4/5 transactions since Sep 2024; latest on May 20, 2026. Located in CAMBRIDGE, MA.

Companies Welch John R. has filed insider reports for

  • CLEAN HARBORS INC (CLH): Director
Welch John R. profile photo

Welch John R.

CIK: 0001611303

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (40.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (40.0%)

Compensation grants

Other (G, F, J, C, D, …)1 (20.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

CLEAN HARBORS INC logo
CLH

CLEAN HARBORS INC

Director

Discretionary Trading P&L

Holdings

Transaction History (5 total)

  • CLEAN HARBORS INC logo
    CLH

    CLEAN HARBORS INC

    May 20, 2026
    Award
    Direct
    652 shares-
  • CLEAN HARBORS INC logo
    CLH

    CLEAN HARBORS INC

    Feb 19, 2026
    Sale
    Direct
    750 shares at avg. $273.07$205K
  • CLEAN HARBORS INC logo
    CLH

    CLEAN HARBORS INC

    Dec 17, 2025
    Gift
    Direct
    415 shares-
  • CLEAN HARBORS INC logo
    CLH

    CLEAN HARBORS INC

    May 28, 2025
    Sale
    Direct
    1.3K shares at avg. $228.51$286K
  • CLEAN HARBORS INC logo
    CLH

    CLEAN HARBORS INC

    May 21, 2025
    Award
    Direct
    789 shares-

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