Michael Louis Battles

Companies

• Clean HarborsBoard member Feb 11, 2025 to now¹
• Clean HarborsChief executive officer Jul 6, 2023 to now²
• Casella Waste SystemsBoard member Dec 18, 2019 to now³
• Clean HarborsChief financial officer Feb 1, 2016 to Mar 17, 2023⁴
• Clean HarborsSVP & CAO Oct 1, 2013 to Dec 17, 2015⁵
• Revvity Inc.VP & Chief Accounting Officer Nov 2, 2006 to Feb 3, 2009⁶

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Clean Harbors CLH94,355 shares⁷$30.1M at $319.13Jul 1, 2026
• Revvity Inc. RVTY33,750 shares⁸$5.1M at $152.28Feb 3, 2009
• Casella Waste Systems CWST10,289 shares⁹$897.3K at $87.21Jun 4, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Jul 1, 2026Shares withheld for tax 1,032 shares at $290.74 of Clean Harbors⁷
• Jun 4, 2026Granted 1,793 shares at $83.65 of Casella Waste Systems⁹
• Mar 13, 2026Returned to company 2,166 shares of Clean Harbors¹⁰
• Mar 13, 2026Shares withheld for tax 1,148 shares at $288.93 of Clean Harbors¹⁰
• Feb 2, 2026Shares withheld for tax 5,205 shares at $259.91 of Clean Harbors¹¹
• Feb 1, 2026Granted 10,690 shares of Clean Harbors¹¹
• Feb 1, 2026Granted 10,290 shares of Clean Harbors¹¹
• Aug 1, 2025Bought 2,000 shares at $233.50 of Clean Harbors¹²
• Jul 1, 2025Shares withheld for tax 1,532 shares at $229.55 of Clean Harbors¹³
• Jun 5, 2025Granted 1,215 shares at $115.17 of Casella Waste Systems¹⁴
• Mar 17, 2025Returned to company 4,744 shares of Clean Harbors¹⁵
• Mar 17, 2025Shares withheld for tax 1,149 shares at $192.90 of Clean Harbors¹⁶
• Mar 17, 2025Shares withheld for tax 1,149 shares at $192.90 of Clean Harbors¹⁵
• Feb 1, 2025Shares withheld for tax 4,407 shares at $233.00 of Clean Harbors¹⁷
• Feb 1, 2025Shares withheld for tax 5,217 shares at $233.00 of Clean Harbors¹⁸
• Feb 1, 2025Shares withheld for tax 5,217 shares at $233.00 of Clean Harbors¹⁹
• Feb 1, 2025Granted 5,325 shares of Clean Harbors¹⁷
• Feb 1, 2025Granted 5,325 shares of Clean Harbors¹⁸
• Feb 1, 2025Granted 5,325 shares of Clean Harbors¹⁹
• Feb 1, 2025Granted 11,059 shares of Clean Harbors¹⁷
• Feb 1, 2025Granted 11,059 shares of Clean Harbors¹⁸
• Feb 1, 2025Granted 11,059 shares of Clean Harbors¹⁹
• Nov 1, 2024Shares withheld for tax 806 shares at $233.00 of Clean Harbors²⁰
• Sep 16, 2024Sold 10,000 shares at $245.74 of Clean Harbors²¹
• Jul 1, 2024Shares withheld for tax 2,488 shares at $220.63 of Clean Harbors²²