William F Oconnor

Insider

First SEC filing: Jan. 18, 2012 · Latest: Jan. 18, 2012

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.

Insider at

CLH selling April 14, 2011

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 38 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

38 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Dec. 28, 2012	CLH	M	3,000	$6.49	$19,470	0 Direct	—	Acquired	4910.8% (price as of 2026-08-20)
Dec. 28, 2012	CLH	F	1,271	$52.40	$66,600	6,225 Direct	-16.96%	Disposed	520.6% (price as of 2026-08-20)
Dec. 28, 2012	CLH	M	3,000	$6.49	$19,470	7,496 Direct	+66.73%	Acquired	4910.8% (price as of 2026-08-20)
Dec. 15, 2012	CLH	F	272	$56.05	$15,246	4,496 Direct	-5.70%	Disposed	480.2% (price as of 2026-08-20)
March 30, 2012	CLH	A	486	—	—	4,768 Direct	+11.35%	Acquired	(price as of 2026-08-20)
March 15, 2012	CLH	F	116	$68.96	$7,999	4,282 Direct	-2.64%	Disposed	371.6% (price as of 2026-08-20)
Dec. 15, 2011	CLH	F	299	$58.59	$17,518	4,225 Direct	-6.61%	Disposed	455.0% (price as of 2026-08-20)
Dec. 15, 2011	CLH	F	164	$58.59	$9,609	4,524 Direct	-3.50%	Disposed	455.0% (price as of 2026-08-20)
Dec. 15, 2011	CLH	F	70	$58.59	$4,101	4,688 Direct	-1.47%	Disposed	455.0% (price as of 2026-08-20)
June 20, 2011	CLH	A	161	—	—	2,379 Direct	+7.26%	Acquired	(price as of 2026-08-20)
June 20, 2011	CLH	A	322	—	—	2,218 Direct	+16.98%	Acquired	(price as of 2026-08-20)
April 14, 2011	CLH	S	620	$98.09	$60,816	1,896 Direct	-24.64%	Disposed	563.1% (price as of 2026-08-20)
March 15, 2011	CLH	F	248	$95.29	$23,632	2,516 Direct	-8.97%	Disposed	582.5% (price as of 2026-08-20)
Dec. 15, 2010	CLH	M	2,500	$12.98	$32,450	0 Direct	-100.00%	Disposed	4910.8% (price as of 2026-08-20)
Dec. 15, 2010	CLH	S	2,500	$78.93	$197,325	2,534 Direct	-49.66%	Disposed	724.0% (price as of 2026-08-20)
Dec. 15, 2010	CLH	M	2,500	$12.98	$32,450	5,034 Direct	+98.66%	Acquired	4910.8% (price as of 2026-08-20)
Dec. 15, 2010	CLH	F	35	$78.38	$2,743	2,534 Direct	-1.36%	Disposed	729.8% (price as of 2026-08-20)
April 20, 2010	CLH	A	941	—	—	2,569 Direct	+57.80%	Acquired	(price as of 2026-08-20)
March 8, 2010	CLH	D	917	—	—	1,628 Direct	-36.03%	Disposed	(price as of 2026-08-20)
Dec. 15, 2009	CLH	F	33	$58.30	$1,924	2,202 Direct	-1.48%	Disposed	1015.6% (price as of 2026-08-20)
March 18, 2009	CLH	A	778	—	—	2,235 Direct	+53.40%	Acquired	(price as of 2026-08-20)
March 16, 2009	CLH	F	51	$41.08	$2,095	1,457 Direct	-3.38%	Disposed	1483.3% (price as of 2026-08-20)
June 5, 2008	CLH	M	4,000	$12.98	$51,920	4,000 Direct	-50.00%	Disposed	4910.8% (price as of 2026-08-20)
June 5, 2008	CLH	S	4,000	$73.21	$292,840	1,508 Direct	-72.62%	Disposed	788.4% (price as of 2026-08-20)
June 5, 2008	CLH	M	4,000	$12.98	$51,920	5,508 Direct	+265.25%	Acquired	4910.8% (price as of 2026-08-20)
May 15, 2008	CLH	A	917	—	—	1,508 Direct	+155.16%	Acquired	(price as of 2026-08-20)
March 15, 2008	CLH	F	51	$63.09	$3,218	591 Direct	-7.94%	Disposed	930.9% (price as of 2026-08-20)
Jan. 17, 2008	CLH	S	334	$55.32	$18,477	642 Direct	-34.22%	Disposed	1075.7% (price as of 2026-08-20)
Jan. 2, 2008	CLH	F	154	—	—	976 Direct	-13.63%	Disposed	(price as of 2026-08-20)
July 12, 2007	CLH	M	2,000	$12.98	$25,960	8,000 Direct	-20.00%	Disposed	4910.8% (price as of 2026-08-20)
July 12, 2007	CLH	S	53	$52.84	$2,801	1,130 Direct	-4.48%	Disposed	1130.9% (price as of 2026-08-20)
July 12, 2007	CLH	M	2,000	$12.98	$25,960	3,130 Direct	+176.99%	Acquired	4910.8% (price as of 2026-08-20)
March 27, 2007	CLH	S	334	$46.69	$15,594	1,130 Direct	-22.81%	Disposed	1293.0% (price as of 2026-08-20)
Jan. 24, 2007	CLH	A	642	—	—	1,464 Direct	+78.10%	Acquired	(price as of 2026-08-20)
Jan. 24, 2007	CLH	A	642	—	—	1,464 Direct	+78.10%	Acquired	(price as of 2026-08-20)
Jan. 16, 2007	CLH	S	100	$52.71	$5,271	822 Direct	-10.85%	Disposed	1133.9% (price as of 2026-08-20)
Jan. 16, 2007	CLH	D	100	—	—	822 Direct	+13.85%	Acquired	(price as of 2026-08-20)
Dec. 31, 2006	CLH	F	155	$48.41	$7,504	922 Direct	-14.39%	Disposed	1243.5% (price as of 2026-08-20)
Dec. 31, 2006	CLH	F	155	$48.41	$7,504	922 Direct	-14.39%	Disposed	1243.5% (price as of 2026-08-20)
April 5, 2006	CLH	M	5,000	$12.98	$64,900	10,000 Direct	-33.33%	Disposed	4910.8% (price as of 2026-08-20)
April 5, 2006	CLH	S	5,000	$31.11	$155,550	100 Direct	-98.04%	Disposed	1990.6% (price as of 2026-08-20)
April 5, 2006	CLH	M	5,000	$12.98	$64,900	5,100 Direct	+5000.00%	Acquired	4910.8% (price as of 2026-08-20)
March 17, 2006	CLH	A	977	—	—	1,077 Direct	+977.00%	Acquired	(price as of 2026-08-20)
March 17, 2006	CLH	A	977	—	—	1,077 Direct	+977.00%	Acquired	(price as of 2026-08-20)
May 18, 2005	CLH	M	10,000	$12.98	$129,800	15,000 Direct	-40.00%	Disposed	4910.8% (price as of 2026-08-20)
May 18, 2005	CLH	S	10,000	$20.00	$200,000	100 Direct	-99.01%	Disposed	3152.0% (price as of 2026-08-20)
May 18, 2005	CLH	M	10,000	$12.98	$129,800	15,100 Direct	+196.08%	Acquired	4910.8% (price as of 2026-08-20)

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.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Dec. 28, 2012	CLH	Common Stock	Common Stock (3,000)	$6.49	Feb. 21, 2013	3,000	Acquired
Dec. 15, 2010	CLH	Exercise of Employee Stock Option	Common Stock (2,500)	$12.98	Feb. 21, 2013	2,500	Disposed
June 5, 2008	CLH	Common Stock	Common Stock (4,000)	$12.98	Feb. 21, 2013	4,000	Disposed
July 12, 2007	CLH	Employee Stock Option	Common Stock (2,000)	$12.98	Feb. 21, 2013	2,000	Disposed
April 5, 2006	CLH	Employee Stock Option	Common Stock (15,000)	$12.98	Feb. 21, 2013	5,000	Disposed
May 18, 2005	CLH	Employee Stock Options	Common Stock (25,000)	$12.98	Feb. 21, 2013	10,000	Disposed

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