Robert W. Harrison

Companies

• Clean HarborsEVP, EHS Nov 23, 2022 to now¹

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 CLH6,648 shares²$2.1M at $319.13Mar 13, 2026

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

Recent filings

• Mar 13, 2026Returned to company 368 shares of Clean Harbors²
• Mar 13, 2026Shares withheld for tax 18 shares at $288.93 of Clean Harbors²
• Feb 2, 2026Shares withheld for tax 184 shares at $259.91 of Clean Harbors³
• Feb 1, 2026Granted 430 shares of Clean Harbors³
• Feb 1, 2026Granted 1,003 shares of Clean Harbors³
• Dec 15, 2025Shares withheld for tax 16 shares at $240.71 of Clean Harbors⁴
• Dec 1, 2025Shares withheld for tax 122 shares at $228.54 of Clean Harbors⁵
• Mar 17, 2025Shares withheld for tax 35 shares at $192.90 of Clean Harbors⁶
• Feb 1, 2025Granted 1,033 shares of Clean Harbors⁷
• Feb 1, 2025Granted 443 shares of Clean Harbors⁷
• Dec 15, 2024Shares withheld for tax 28 shares at $244.28 of Clean Harbors⁸
• Dec 1, 2024Shares withheld for tax 122 shares at $260.09 of Clean Harbors⁹
• Mar 15, 2024Shares withheld for tax 27 shares at $187.84 of Clean Harbors¹⁰
• Feb 1, 2024Granted 737 shares of Clean Harbors¹¹
• Feb 1, 2024Granted 553 shares of Clean Harbors¹¹
• Dec 1, 2023Sold 122 shares at $166.86 of Clean Harbors¹²
• Feb 1, 2023Granted 1,138 shares of Clean Harbors¹³
• Feb 1, 2023Granted 853 shares of Clean Harbors¹³
• Dec 1, 2022Granted 1,500 shares of Clean Harbors¹⁴