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

17 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 10, 2021 CLH S 6,910 $95.40 $659,214 14,427 Direct -32.39% Disposed 233.9% (price as of 2026-10-02)
March 18, 2021 CLH S 808 $89.08 $71,977 0 Indirect -100.00% Disposed 257.6% (price as of 2026-10-02)
March 18, 2021 CLH S 88 $89.08 $7,839 0 Indirect -100.00% Disposed 257.6% (price as of 2026-10-02)
March 18, 2021 CLH S 4,342 $89.08 $386,785 2,000 Indirect -68.46% Disposed 257.6% (price as of 2026-10-02)
March 18, 2021 CLH S 9,603 $89.08 $855,435 21,337 Direct -31.04% Disposed 257.6% (price as of 2026-10-02)
June 8, 2020 CLH S 1,000 $69.00 $69,000 2,064 Indirect -32.64% Disposed 361.6% (price as of 2026-10-02)
June 8, 2020 CLH S 4,000 $69.00 $276,000 35,230 Direct -10.20% Disposed 361.6% (price as of 2026-10-02)
June 26, 2019 CLH S 4,267 $68.58 $292,631 37,062 Direct -10.32% Disposed 364.4% (price as of 2026-10-02)
March 1, 2019 CLH S 2,500 $68.50 $171,250 3,064 Indirect -44.93% Disposed 365.0% (price as of 2026-10-02)
March 1, 2019 CLH S 7,500 $68.50 $513,750 39,234 Direct -16.05% Disposed 365.0% (price as of 2026-10-02)
Dec. 28, 2016 CLH S 3,394 $56.21 $190,777 42,441 Direct -7.40% Disposed 466.6% (price as of 2026-10-02)
June 11, 2015 CLH S 68,200 $43.01 $2,933,282 88 Indirect -99.87% Disposed 640.5% (price as of 2026-10-02)
June 11, 2015 CLH S 31,600 $43.01 $1,359,116 41,839 Direct -43.03% Disposed 640.5% (price as of 2026-10-02)
Dec. 2, 2014 CLH S 10,000 $45.40 $454,000 5,564 Indirect -64.25% Disposed 601.6% (price as of 2026-10-02)
Dec. 2, 2014 CLH S 10,000 $45.40 $454,000 73,439 Direct -11.98% Disposed 601.6% (price as of 2026-10-02)
April 3, 2013 CLH S 7,500 $57.14 $428,550 79,414 Direct -8.63% Disposed 457.4% (price as of 2026-10-02)
April 3, 2013 CLH S 5,500 $57.14 $314,270 15,564 Indirect -26.11% Disposed 457.4% (price as of 2026-10-02)
April 2, 2013 CLH S 2,000 $58.22 $116,440 21,064 Indirect -8.67% Disposed 447.1% (price as of 2026-10-02)
March 27, 2012 CLH S 5,000 $69.64 $348,200 23,064 Indirect -17.82% Disposed 357.4% (price as of 2026-10-02)
March 27, 2012 CLH S 4,000 $69.59 $278,360 85,774 Direct -4.46% Disposed 357.7% (price as of 2026-10-02)
March 27, 2012 CLH S 5,000 $69.64 $348,200 9,032 Indirect -35.63% Disposed 357.4% (price as of 2026-10-02)
March 27, 2012 CLH S 4,000 $69.59 $278,360 35,387 Direct -10.16% Disposed 357.7% (price as of 2026-10-02)
March 26, 2012 CLH S 11,000 $69.56 $765,160 89,774 Direct -10.92% Disposed 357.9% (price as of 2026-10-02)
March 26, 2012 CLH S 11,000 $69.56 $765,160 39,387 Direct -21.83% Disposed 357.9% (price as of 2026-10-02)
June 1, 2011 CLH S 300 $101.71 $30,513 14,032 Indirect -2.09% Disposed 526.3% (price as of 2026-10-02)
June 1, 2011 CLH S 2,700 $101.40 $273,780 14,332 Indirect -15.85% Disposed 528.2% (price as of 2026-10-02)
June 1, 2011 CLH S 7,000 $101.12 $707,840 50,387 Direct -12.20% Disposed 530.0% (price as of 2026-10-02)
June 1, 2011 CLH S 300 $101.71 $30,513 14,032 Indirect -2.09% Disposed 526.3% (price as of 2026-10-02)
June 1, 2011 CLH S 2,700 $101.40 $273,780 14,332 Indirect -15.85% Disposed 528.2% (price as of 2026-10-02)
June 1, 2011 CLH S 7,000 $101.12 $707,840 51,154 Direct -12.04% Disposed 530.0% (price as of 2026-10-02)
June 2, 2010 CLH P 1 · · 1 Indirect · Acquired (price as of 2026-10-02)
June 2, 2010 CLH P 1 · · 1 Direct · Acquired (price as of 2026-10-02)
June 2, 2010 CLH S 1 · · 1 Indirect -50.00% Disposed (price as of 2026-10-02)
June 2, 2010 CLH S 1 · · 1 Direct -50.00% Disposed (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.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 11, 2015 CLH Put Option (Right to sell) Common Stock (68,200) $29.32 June 11, 2015 0 Acquired
June 11, 2015 CLH Put Option (Right to sell) Common Stock (31,600) $29.32 June 11, 2015 0 Acquired
June 11, 2015 CLH Call Option (Obligation to sell) Common Stock (68,200) $43.01 June 11, 2015 0 Disposed
June 11, 2015 CLH Call Option (Obligation to sell) Common Stock (31,600) $43.01 June 11, 2015 0 Disposed
June 2, 2010 CLH Put Option (Right to sell) Common Stock (34,100) $58.65 June 8, 2015 1 Acquired
June 2, 2010 CLH Put Option (Right to sell) Common Stock (15,800) $58.65 June 8, 2015 1 Acquired
June 2, 2010 CLH Call Option (Obligation to sell) Common Stock (34,100) $86.02 June 8, 2015 1 Disposed
June 2, 2010 CLH Call Option (Obligation to sell) Common Stock (15,800) $86.02 June 8, 2015 1 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 9 holdings

07

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

DateTickerSecuritySharesOwnership
Aug. 25, 2009 CLH Common Stock 54,304 Direct
Aug. 25, 2009 CLH Common Stock 34,144 Indirect
Aug. 25, 2009 CLH Common Stock 17,032 Indirect
Aug. 25, 2009 CLH Common Stock 404 Indirect
Aug. 25, 2009 CLH Common Stock · Indirect
Aug. 18, 2009 CLH Common Stock 54,301 Direct
Aug. 18, 2009 CLH Common Stock 34,143 Indirect
Aug. 18, 2009 CLH Common Stock 17,031 Indirect
Aug. 18, 2009 CLH Common Stock 402 Indirect