Brian P Weber

Insider

First SEC filing: April 7, 2005 · Latest: April 7, 2005

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.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

CLH selling March 17, 2026

Insider transactions

0 buys (P) 1 sells (S) Net: $-1,373,945 + 83 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

83 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 1, 2026	CLH	F	814	$290.74	$236,662	47,914 Direct	-1.67%	Disposed	11.9% (price as of 2026-08-20)
March 17, 2026	CLH	S	4,683	$293.39	$1,373,945	48,728 Direct	-8.77%	Disposed	10.8% (price as of 2026-08-20)
March 13, 2026	CLH	F	960	$288.93	$277,373	55,280 Direct	-1.71%	Disposed	12.6% (price as of 2026-08-20)
March 13, 2026	CLH	D	1,869	—	—	53,411 Direct	-3.38%	Disposed	(price as of 2026-08-20)
Feb. 2, 2026	CLH	F	1,394	$259.91	$362,315	52,018 Direct	-2.61%	Disposed	25.1% (price as of 2026-08-20)
Feb. 1, 2026	CLH	A	3,166	—	—	55,184 Direct	+6.09%	Acquired	(price as of 2026-08-20)
Feb. 1, 2026	CLH	A	1,056	—	—	56,240 Direct	+1.91%	Acquired	(price as of 2026-08-20)
July 1, 2024	CLH	F	1,790	$220.63	$394,928	61,013 Direct	-2.85%	Disposed	47.4% (price as of 2026-08-20)
Sept. 9, 2022	CLH	S	2,003	$122.42	$245,207	62,103 Direct	-3.12%	Disposed	165.6% (price as of 2026-08-20)
July 1, 2022	CLH	F	1,805	$90.32	$163,028	64,106 Direct	-2.74%	Disposed	260.1% (price as of 2026-08-20)
March 15, 2022	CLH	F	168	$105.77	$17,769	65,911 Direct	-0.25%	Disposed	207.5% (price as of 2026-08-20)
March 10, 2022	CLH	D	1,162	—	—	66,079 Direct	-1.73%	Disposed	(price as of 2026-08-20)
Feb. 7, 2022	CLH	A	1,979	—	—	67,241 Direct	+3.03%	Acquired	(price as of 2026-08-20)
Feb. 7, 2022	CLH	A	5,937	—	—	65,262 Direct	+10.01%	Acquired	(price as of 2026-08-20)
Dec. 30, 2021	CLH	S	2,390	$98.90	$236,371	59,325 Direct	-3.87%	Disposed	228.8% (price as of 2026-08-20)
Dec. 15, 2021	CLH	F	1,599	$98.73	$157,869	61,715 Direct	-2.53%	Disposed	229.4% (price as of 2026-08-20)
Nov. 1, 2021	CLH	A	5,000	—	—	63,314 Direct	+8.57%	Acquired	(price as of 2026-08-20)
Sept. 10, 2021	CLH	S	2,519	$101.42	$255,477	58,314 Direct	-4.14%	Disposed	220.6% (price as of 2026-08-20)
July 1, 2021	CLH	F	1,155	$93.23	$107,681	60,833 Direct	-1.86%	Disposed	248.8% (price as of 2026-08-20)
July 1, 2021	CLH	A	2,100	—	—	61,988 Direct	+3.51%	Acquired	(price as of 2026-08-20)
July 1, 2021	CLH	A	6,300	—	—	59,888 Direct	+11.76%	Acquired	(price as of 2026-08-20)
June 1, 2021	CLH	F	300	$94.13	$28,239	53,588 Direct	-0.56%	Disposed	245.5% (price as of 2026-08-20)
April 1, 2021	CLH	F	740	$86.15	$63,751	53,888 Direct	-1.35%	Disposed	277.5% (price as of 2026-08-20)
March 15, 2021	CLH	D	1,794	—	—	54,628 Direct	-3.18%	Disposed	(price as of 2026-08-20)
March 15, 2021	CLH	F	1,167	$89.50	$104,446	56,422 Direct	-2.03%	Disposed	263.4% (price as of 2026-08-20)
Dec. 15, 2020	CLH	F	709	$72.99	$51,750	57,589 Direct	-1.22%	Disposed	345.5% (price as of 2026-08-20)
Nov. 17, 2020	CLH	S	3,600	$73.73	$265,428	58,298 Direct	-5.82%	Disposed	341.1% (price as of 2026-08-20)
July 1, 2020	CLH	F	798	$58.30	$46,523	61,898 Direct	-1.27%	Disposed	457.8% (price as of 2026-08-20)
July 1, 2020	CLH	A	5,805	—	—	62,696 Direct	+10.20%	Acquired	(price as of 2026-08-20)
July 1, 2020	CLH	A	3,317	—	—	56,891 Direct	+6.19%	Acquired	(price as of 2026-08-20)
June 1, 2020	CLH	F	1,128	$60.78	$68,560	53,574 Direct	-2.06%	Disposed	435.0% (price as of 2026-08-20)
April 1, 2020	CLH	F	2,219	$45.91	$101,874	54,702 Direct	-3.90%	Disposed	608.3% (price as of 2026-08-20)
March 15, 2020	CLH	F	432	$54.33	$23,471	56,921 Direct	-0.75%	Disposed	498.6% (price as of 2026-08-20)
March 2, 2020	CLH	F	398	$69.52	$27,669	57,353 Direct	-0.69%	Disposed	367.8% (price as of 2026-08-20)
Dec. 15, 2019	CLH	F	1,069	$83.69	$89,465	57,751 Direct	-1.82%	Disposed	288.6% (price as of 2026-08-20)
Nov. 6, 2019	CLH	S	1,175	$84.64	$99,452	58,820 Direct	-1.96%	Disposed	284.2% (price as of 2026-08-20)
July 1, 2019	CLH	A	2,564	—	—	59,995 Direct	+4.46%	Acquired	(price as of 2026-08-20)
July 1, 2019	CLH	A	4,487	—	—	57,431 Direct	+8.47%	Acquired	(price as of 2026-08-20)
June 3, 2019	CLH	F	1,916	$64.12	$122,854	52,944 Direct	-3.49%	Disposed	407.2% (price as of 2026-08-20)
April 1, 2019	CLH	F	2,451	$72.00	$176,472	54,860 Direct	-4.28%	Disposed	351.7% (price as of 2026-08-20)
March 22, 2019	CLH	S	1,777	$71.00	$126,167	57,311 Direct	-3.01%	Disposed	358.0% (price as of 2026-08-20)
March 15, 2019	CLH	F	609	$68.74	$41,863	59,088 Direct	-1.02%	Disposed	373.1% (price as of 2026-08-20)
March 13, 2019	CLH	D	3,412	—	—	59,697 Direct	-5.41%	Disposed	(price as of 2026-08-20)
March 1, 2019	CLH	F	285	$68.77	$19,599	63,109 Direct	-0.45%	Disposed	372.9% (price as of 2026-08-20)
Dec. 14, 2018	CLH	F	179	$55.53	$9,940	63,394 Direct	-0.28%	Disposed	485.6% (price as of 2026-08-20)
Sept. 24, 2018	CLH	S	1,304	$69.83	$91,058	63,573 Direct	-2.01%	Disposed	365.7% (price as of 2026-08-20)
July 1, 2018	CLH	A	3,336	—	—	64,877 Direct	+5.42%	Acquired	(price as of 2026-08-20)
July 1, 2018	CLH	A	5,838	—	—	61,541 Direct	+10.48%	Acquired	(price as of 2026-08-20)
June 1, 2018	CLH	F	987	$53.69	$52,992	55,703 Direct	-1.74%	Disposed	505.7% (price as of 2026-08-20)
April 2, 2018	CLH	F	1,964	$48.81	$95,863	56,690 Direct	-3.35%	Disposed	566.3% (price as of 2026-08-20)
April 2, 2018	CLH	F	1,964	$48.81	$95,863	51,690 Direct	-3.66%	Disposed	566.3% (price as of 2026-08-20)
April 1, 2018	CLH	A	5,000	—	—	58,654 Direct	+9.32%	Acquired	(price as of 2026-08-20)
March 15, 2018	CLH	F	228	$49.98	$11,395	53,654 Direct	-0.42%	Disposed	550.7% (price as of 2026-08-20)
March 1, 2018	CLH	F	286	$48.06	$13,745	53,882 Direct	-0.53%	Disposed	576.7% (price as of 2026-08-20)
Feb. 28, 2018	CLH	F	3,037	—	—	54,168 Direct	-5.31%	Disposed	(price as of 2026-08-20)
Dec. 28, 2017	CLH	S	1,870	$53.00	$99,110	57,205 Direct	-3.17%	Disposed	513.6% (price as of 2026-08-20)
Dec. 15, 2017	CLH	F	338	$52.17	$17,633	59,075 Direct	-0.57%	Disposed	523.3% (price as of 2026-08-20)
Sept. 29, 2017	CLH	S	490	$56.18	$27,528	59,413 Direct	-0.82%	Disposed	478.9% (price as of 2026-08-20)
July 1, 2017	CLH	A	2,999	—	—	59,903 Direct	+5.27%	Acquired	(price as of 2026-08-20)
July 1, 2017	CLH	A	5,248	—	—	56,904 Direct	+10.16%	Acquired	(price as of 2026-08-20)
June 29, 2017	CLH	S	1,945	$54.06	$105,147	51,656 Direct	-3.63%	Disposed	501.6% (price as of 2026-08-20)
June 1, 2017	CLH	F	410	$59.25	$24,292	53,601 Direct	-0.76%	Disposed	448.9% (price as of 2026-08-20)
June 1, 2017	CLH	A	4,000	—	—	54,011 Direct	+8.00%	Acquired	(price as of 2026-08-20)
April 1, 2017	CLH	A	10,000	—	—	51,093 Direct	+24.34%	Acquired	(price as of 2026-08-20)
March 31, 2017	CLH	F	1,082	$55.62	$60,181	50,011 Direct	-2.12%	Disposed	484.7% (price as of 2026-08-20)
March 31, 2017	CLH	S	1,021	$50.03	$51,081	41,093 Direct	-2.42%	Disposed	550.0% (price as of 2026-08-20)
March 30, 2017	CLH	F	115	$50.05	$5,756	42,114 Direct	-0.27%	Disposed	549.8% (price as of 2026-08-20)
March 16, 2017	CLH	F	458	$55.74	$25,529	42,229 Direct	-1.07%	Disposed	483.4% (price as of 2026-08-20)
March 8, 2017	CLH	D	3,189	—	—	42,687 Direct	-6.95%	Disposed	(price as of 2026-08-20)
March 3, 2017	CLH	F	310	$58.33	$18,082	45,876 Direct	-0.67%	Disposed	457.5% (price as of 2026-08-20)
Dec. 28, 2016	CLH	S	712	$56.30	$40,086	46,186 Direct	-1.52%	Disposed	477.6% (price as of 2026-08-20)
Dec. 15, 2016	CLH	F	157	$57.13	$8,969	46,898 Direct	-0.33%	Disposed	469.2% (price as of 2026-08-20)
Sept. 28, 2016	CLH	S	773	$46.58	$36,006	47,055 Direct	-1.62%	Disposed	598.2% (price as of 2026-08-20)
June 28, 2016	CLH	S	920	$50.22	$46,202	47,828 Direct	-1.89%	Disposed	547.6% (price as of 2026-08-20)
June 21, 2016	CLH	F	156	$51.86	$8,090	48,748 Direct	-0.32%	Disposed	527.1% (price as of 2026-08-20)
June 7, 2016	CLH	A	5,063	—	—	48,904 Direct	+11.55%	Acquired	(price as of 2026-08-20)
June 7, 2016	CLH	A	3,375	—	—	43,841 Direct	+8.34%	Acquired	(price as of 2026-08-20)
April 1, 2016	CLH	A	10,000	—	—	40,466 Direct	+32.82%	Acquired	(price as of 2026-08-20)
March 30, 2016	CLH	F	114	$49.70	$5,666	30,466 Direct	-0.37%	Disposed	554.3% (price as of 2026-08-20)
March 23, 2016	CLH	S	899	$47.54	$42,738	30,580 Direct	-2.86%	Disposed	584.1% (price as of 2026-08-20)
March 15, 2016	CLH	F	507	$45.77	$23,205	31,479 Direct	-1.59%	Disposed	610.5% (price as of 2026-08-20)
March 11, 2016	CLH	F	433	$45.75	$19,810	31,986 Direct	-1.34%	Disposed	610.8% (price as of 2026-08-20)
March 8, 2016	CLH	D	2,368	—	—	32,419 Direct	-6.81%	Disposed	(price as of 2026-08-20)
March 1, 2016	CLH	F	310	$43.71	$13,550	34,787 Direct	-0.88%	Disposed	644.0% (price as of 2026-08-20)
Dec. 15, 2015	CLH	F	71	$41.11	$2,919	35,097 Direct	-0.20%	Disposed	691.0% (price as of 2026-08-20)
June 22, 2015	CLH	F	156	$55.34	$8,633	35,168 Direct	-0.44%	Disposed	487.6% (price as of 2026-08-20)
June 9, 2015	CLH	A	3,987	—	—	35,324 Direct	+12.72%	Acquired	(price as of 2026-08-20)
June 9, 2015	CLH	A	2,658	—	—	31,337 Direct	+9.27%	Acquired	(price as of 2026-08-20)
March 30, 2015	CLH	F	343	$56.69	$19,445	28,679 Direct	-1.18%	Disposed	473.6% (price as of 2026-08-20)
March 30, 2015	CLH	S	1,023	$57.14	$58,454	29,022 Direct	-3.40%	Disposed	469.1% (price as of 2026-08-20)
March 15, 2015	CLH	F	71	$56.32	$3,999	30,045 Direct	-0.24%	Disposed	477.4% (price as of 2026-08-20)
March 10, 2015	CLH	F	434	$54.24	$23,540	30,116 Direct	-1.42%	Disposed	499.6% (price as of 2026-08-20)
March 10, 2015	CLH	A	4,000	—	—	30,550 Direct	-11.58%	Disposed	(price as of 2026-08-20)
March 10, 2015	CLH	D	2,593	—	—	26,550 Direct	-8.90%	Disposed	(price as of 2026-08-20)
June 20, 2014	CLH	F	469	$63.10	$29,594	29,143 Direct	-1.58%	Disposed	415.4% (price as of 2026-08-20)
June 18, 2014	CLH	A	3,157	—	—	29,612 Direct	+11.93%	Acquired	(price as of 2026-08-20)
June 18, 2014	CLH	A	2,105	—	—	26,455 Direct	+8.64%	Acquired	(price as of 2026-08-20)
March 11, 2014	CLH	F	434	$51.84	$22,499	24,350 Direct	-1.75%	Disposed	527.3% (price as of 2026-08-20)
Feb. 26, 2014	CLH	D	2,197	—	—	24,784 Direct	-8.14%	Disposed	(price as of 2026-08-20)
May 6, 2013	CLH	A	2,161	—	—	23,740 Direct	+10.01%	Acquired	(price as of 2026-08-20)

Showing latest 100 of 152 transactions

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
Nov. 5, 2010	CLH	Employee Stock Option	Common Stock (4,000)	$12.98	Feb. 21, 2013	4,000	Disposed
Nov. 5, 2010	CLH	Employee Stock Option	Common Stock (2,000)	$2.26	Sept. 26, 2011	2,000	Disposed
Aug. 22, 2006	CLH	Employee Stock Option	Common Stock (10,000)	$12.98	Feb. 21, 2013	10,000	Disposed
Aug. 22, 2006	CLH	Employee Stock Option	Common Stock (4,000)	$2.26	Sept. 26, 2011	4,000	Disposed
Aug. 22, 2006	CLH	Employee Stock Option	Common Stock (1,000)	$2.06	July 24, 2010	1,000	Disposed
May 20, 2005	CLH	Exercise of employee stock option	Common Stock (5,000)	$1.81	April 27, 2008	1,000	Disposed
May 20, 2005	CLH	Exercise of employee stock option	Common Stock (3,250)	$2.50	Feb. 25, 2010	1,950	Disposed
May 20, 2005	CLH	Exercise of employee stock option	Common Stock (5,000)	$2.06	July 24, 2010	2,000	Disposed
May 20, 2005	CLH	Exercise of employee stock option	Common Stock (10,000)	$2.26	Sept. 26, 2011	4,000	Disposed

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

Initial ownership (Form 3) 5 holdings

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

Date	Ticker	Security	Shares	Ownership
April 7, 2005	CLH	Employee Stock Option Plan→ Common Stock (1,000)	1,000	Direct
April 7, 2005	CLH	Employee Stock Option Plan→ Common Stock (1,950)	1,950	Direct
April 7, 2005	CLH	Employee Stock Option Plan→ Common Stock (3,000)	3,000	Direct
April 7, 2005	CLH	Employee Stock Option Plan→ Common Stock (8,000)	8,000	Direct
April 7, 2005	CLH	Employee Stock Option Plan→ Common Stock (10,000)	10,000	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

CLH

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2025	$630,000	—	$633,061	—	$848,607	—	$8,349	$2,120,017
2023	$532,125	—	$904,466	—	$564,582	—	$5,414	$2,006,587
2022	$478,500	—	$726,293	—	$714,992	—	$5,414	$1,925,199

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.