John R. Welch insider trades

Open-market stock purchases and sales by John R. Welch, Unknown at Clean Harbors Inc, from SEC Form 4 filings since Jun 18, 2014.

Recent trades

DateStockTradeValue
May 20, 2026CLH Clean Harbors IncBought (not open market)—
Feb 19, 2026CLH Clean Harbors IncSold$205K
Dec 17, 2025CLH Clean Harbors IncSold (not open market)—

Companies traded

  • CLH Clean Harbors Inc: 4 sales, last May 20, 2026

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