John R. Welch

CLH

John R. Welch serves as director at Clean Harbors, Inc. (CLH). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

3 trades

$695.2K

Net Position

Net Seller

$695.2K

Companies Traded

CLH

Active Period

May 2025 – Feb 2026

3 total trades

Most Recent

Sell CLH

Feb 20, 2026 · $204.8K

John R. Welch's Insider Trading at Clean Harbors, Inc. (CLH)

Buys

0 · $0.00

Sells

3 · $695.2K

Total Shares Bought

Total Shares Sold

2,750

CLH Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Feb 20, 2026↗	Sell	750	$273.07	$204.8K	10,237
Feb 19, 2026↗	Sell	750	$273.07	$204.8K	0
May 28, 2025↗	Sell	1,250	$228.51	$285.6K	0

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