Michael Louis Battles

Sits on 2 boards. Last updated September 28, 2026

Time on boards

Boards served
2
Current seats
2
Board service
5 years
Director since
2023

5 years of board service in total across 2 boards, counting each seat separately. Longest: Casella Waste Systems Inc., 3 years.

3 years ยท Since 2023
Clean Harbors Inc. Director ยท CO-CEO
1 year ยท Since 2025

Chief executive roles

Clean Harbors Inc. ยท CO-CEO
Dates unknown

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Jul 1, 2026 Clean Harbors Inc. Shares withheld for tax โˆ’1,032 $290.74 $300,044
Jun 4, 2026 Casella Waste Systems Inc. Grant or award +1,793 $83.65 $149,984
Mar 13, 2026 Clean Harbors Inc. Shares withheld for tax โˆ’1,148 $288.93 $331,692
Mar 13, 2026 Clean Harbors Inc. Sold back to the company โˆ’2,166 โ€” โ€”
Feb 2, 2026 Clean Harbors Inc. Shares withheld for tax โˆ’5,205 $259.91 $1,352,832
Feb 1, 2026 Clean Harbors Inc. Grant or award +10,290 โ€” โ€”
Feb 1, 2026 Clean Harbors Inc. Grant or award +10,690 โ€” โ€”
Aug 1, 2025 Clean Harbors Inc. Open-market purchase +2,000 $233.50 $467,000
Jul 1, 2025 Clean Harbors Inc. Shares withheld for tax โˆ’1,532 $229.55 $351,671
Jun 5, 2025 Casella Waste Systems Inc. Grant or award +1,215 $115.17 $139,932
Mar 17, 2025 Clean Harbors Inc. Shares withheld for tax โˆ’1,149 $192.90 $221,642
Feb 1, 2025 Clean Harbors Inc. Grant or award +11,059 โ€” โ€”
Feb 1, 2025 Clean Harbors Inc. Grant or award +5,325 โ€” โ€”
Feb 1, 2025 Clean Harbors Inc. Shares withheld for tax โˆ’5,217 $233.00 $1,215,561
Nov 1, 2024 Clean Harbors Inc. Shares withheld for tax โˆ’806 $233.00 $187,798

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