Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 17 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Jan. 11, 2021 CLH J 16,213 · · 6,691 Direct -70.79% Disposed (price as of 2026-10-02)
July 1, 2020 CLH A 4,384 · · 23,146 Direct +23.37% Acquired (price as of 2026-10-02)
July 1, 2020 CLH A 2,505 · · 18,762 Direct +15.41% Acquired (price as of 2026-10-02)
July 1, 2020 CLH F 242 $58.30 $14,109 22,904 Direct -1.05% Disposed 446.3% (price as of 2026-10-02)
April 1, 2020 CLH F 300 $45.91 $13,773 16,257 Direct -1.81% Disposed 593.8% (price as of 2026-10-02)
March 15, 2020 CLH F 150 $54.33 $8,150 16,557 Direct -0.90% Disposed 486.3% (price as of 2026-10-02)
Dec. 15, 2019 CLH F 319 $83.68 $26,694 17,327 Direct -1.81% Disposed 280.6% (price as of 2026-10-02)
Sept. 10, 2019 CLH A 928 · · 17,646 Direct +5.55% Acquired (price as of 2026-10-02)
Sept. 10, 2019 CLH A 2,343 · · 16,718 Direct +16.30% Acquired (price as of 2026-10-02)
July 1, 2019 CLH A 1,293 · · 14,375 Direct +9.88% Acquired (price as of 2026-10-02)
July 1, 2019 CLH A 1,724 · · 13,082 Direct +15.18% Acquired (price as of 2026-10-02)
April 15, 2019 CLH F 600 $72.39 $43,434 11,358 Direct -5.02% Disposed 340.0% (price as of 2026-10-02)
April 10, 2019 CLH F 600 $72.39 $43,434 11,358 Direct -5.02% Disposed 340.0% (price as of 2026-10-02)
April 1, 2019 CLH A 3,000 · · 11,958 Direct +33.49% Acquired (price as of 2026-10-02)
March 15, 2019 CLH F 318 $68.74 $21,859 8,958 Direct -3.43% Disposed 363.4% (price as of 2026-10-02)
March 13, 2019 CLH D 1,748 · · 9,276 Direct -15.86% Disposed (price as of 2026-10-02)
July 1, 2018 CLH A 2,991 · · 11,024 Direct +37.23% Acquired (price as of 2026-10-02)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Initial ownership (Form 3) 1 holding

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Jan. 26, 2018 CLH Common Stock 8,033 Direct