CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

Clearstead Advisors, LLC's Holding History (CIK: 0000842775)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 254 Value ($000) $60 Avg Close $228.49 Range $201.34 - $248.07

Q3 2025

Shares 138 Value ($000) $32 Avg Close $236.75 Range $218.46 - $251.43

Q2 2025

Shares 118 Value ($000) $27 Avg Close $218.92 Range $178.29 - $235.43

Q1 2025

Shares 33 Value ($000) $7 Avg Close $218.84 Range $186.54 - $247.51

Q4 2024

Shares 33 Value ($000) $8 Avg Close $248.40 Range $220.10 - $267.11

Q3 2024

Shares 33 Value ($000) $8 Avg Close $235.10 Range $217.36 - $251.65

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	254	$60	$228.49	$201.34 - $248.07
Q3 2025	138	$32	$236.75	$218.46 - $251.43
Q2 2025	118	$27	$218.92	$178.29 - $235.43
Q1 2025	33	$7	$218.84	$186.54 - $247.51
Q4 2024	33	$8	$248.40	$220.10 - $267.11
Q3 2024	33	$8	$235.10	$217.36 - $251.65