Karyn Polito

Director, Clean Harbors.

Companies

Clean HarborsBoard member Mar 16, 2023 to now¹
Berkshire BankBoard member Feb 13, 2023 to now²

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 CLH4,127 shares³$1.3M at $319.13May 20, 2026
Berkshire Bank BBT7,958 shares⁴$217.6K at $27.34Jun 16, 2026

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

Recent filings

Jun 16, 2026Granted 2,509 shares of Berkshire Bank⁴
May 20, 2026Granted 652 shares of Clean Harbors³
May 11, 2026Bought 460 shares at $295.13 of Clean Harbors⁵
May 11, 2026Granted 460 shares at $295.13 of Clean Harbors⁶
May 21, 2025Granted 789 shares of Clean Harbors⁷
May 22, 2024Granted 836 shares of Clean Harbors⁸
Jan 30, 2024Granted 2,595 shares of Berkshire Bank⁹
Jul 1, 2023Granted 2,854 shares of Berkshire Bank¹⁰
May 24, 2023Granted 1,148 shares of Clean Harbors¹¹
Mar 15, 2023Granted 242 shares of Clean Harbors¹²

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARClean Harbors, Board member
2
SEC EDGARBerkshire Bank, Board member
3
SEC EDGARClean Harbors shares after the filing of May 20, 2026
4
SEC EDGARBerkshire Bank shares after the filing of Jun 16, 2026
5
SEC EDGARForm 4 filed May 14, 2026
6
SEC EDGARForm 4 filed May 13, 2026
7
SEC EDGARForm 4 filed May 23, 2025
8
SEC EDGARForm 4 filed May 23, 2024
9
SEC EDGARForm 4 filed Jan 31, 2024
10
SEC EDGARForm 4 filed Jul 3, 2023
11
SEC EDGARForm 4 filed May 25, 2023
12
SEC EDGARForm 4 filed Mar 17, 2023