Historical shareholding details of Gamco Investors, Inc. Et Al holdings in Clean Harbors, Inc. (CLH)

Monthly changes of Gamco Investors, Inc. Et Al shareholding in Clean Harbors, Inc. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Dec 31, 2024	Gamco Investors, Inc. Et Al	1,000	0.00%

Sep 30, 2024	Gamco Investors, Inc. Et Al	1,000	0.00%