Michael J. Twohig

Companies

• Clean HarborsSr. V. P.& Chief Info. Off. Jun 6, 2006 to Mar 29, 2023¹

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 CLH28,857 shares²$9.2M at $319.13Mar 27, 2023

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

Recent filings

• Mar 27, 2023Sold 2,000 shares at $134.42 of Clean Harbors²
• Mar 15, 2023Sold 290 shares at $133.07 of Clean Harbors³
• Dec 15, 2022Shares withheld for tax 163 shares at $116.50 of Clean Harbors⁴
• Jul 1, 2022Shares withheld for tax 716 shares at $90.32 of Clean Harbors⁵
• Apr 1, 2022Shares withheld for tax 490 shares at $112.93 of Clean Harbors⁶
• Mar 15, 2022Shares withheld for tax 48 shares at $105.77 of Clean Harbors⁷
• Mar 10, 2022Returned to company 496 shares of Clean Harbors⁸
• Feb 7, 2022Granted 1,109 shares of Clean Harbors⁹
• Feb 7, 2022Granted 4,066 shares of Clean Harbors⁹
• Dec 15, 2021Shares withheld for tax 453 shares at $98.73 of Clean Harbors¹⁰