John Welch

(Mr. John Welch Ph.D.)

Currently holds a position at Clean Harbors Inc

Positions

Position Company Period
Independent Director Clean Harbors Inc None -
John Welch's trades of Clean Harbors Inc's stock


Subscribe to get access to the transaction volume chart and in-chart transaction details
• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2025-05-29 2025-05-28
S Sale
1,250 -9.9%
228.51
USD 285,638 		1,250 -9.9% 228.51 USD 285,638
2023-06-05 2023-06-02
S Sale
1,000 -7.4%
150.43
USD 150,430 		1,000 -7.4% 150.43 USD 150,430
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