Sharon M. Gabriel

Insider

First SEC filing: Oct. 22, 2018 · Latest: Feb. 13, 2023

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

Insider at

CLH selling July 3, 2023

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 48 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

48 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 1, 2026	CLH	F	359	$290.74	$104,376	20,706 Direct	-1.70%	Disposed	11.9% (price as of 2026-08-20)
July 1, 2024	CLH	F	781	$220.63	$172,312	29,859 Direct	-2.55%	Disposed	47.4% (price as of 2026-08-20)
March 15, 2024	CLH	F	409	$187.84	$76,827	30,640 Direct	-1.32%	Disposed	73.1% (price as of 2026-08-20)
Feb. 1, 2024	CLH	A	765	—	—	28,246 Direct	+2.78%	Acquired	(price as of 2026-08-20)
Feb. 1, 2024	CLH	A	2,803	—	—	31,049 Direct	+9.92%	Acquired	(price as of 2026-08-20)
Jan. 1, 2024	CLH	A	3,000	—	—	27,481 Direct	+12.25%	Acquired	(price as of 2026-08-20)
Jan. 1, 2024	CLH	A	3,000	—	—	27,481 Direct	+12.25%	Acquired	(price as of 2026-08-20)
Dec. 15, 2023	CLH	F	71	$174.75	$12,407	24,481 Direct	-0.29%	Disposed	86.1% (price as of 2026-08-20)
Nov. 1, 2023	CLH	F	740	$147.34	$109,032	24,552 Direct	-2.93%	Disposed	120.7% (price as of 2026-08-20)
July 3, 2023	CLH	S	557	$164.43	$91,588	25,292 Direct	-2.15%	Disposed	97.8% (price as of 2026-08-20)
June 9, 2023	CLH	S	3,235	$155.71	$503,722	25,849 Direct	-11.12%	Disposed	108.8% (price as of 2026-08-20)
April 1, 2023	CLH	S	196	$142.56	$27,942	29,084 Direct	-0.67%	Disposed	128.1% (price as of 2026-08-20)
March 15, 2023	CLH	S	274	$133.07	$36,461	29,280 Direct	-0.93%	Disposed	144.4% (price as of 2026-08-20)
March 9, 2023	CLH	S	3,810	$138.92	$529,285	29,554 Direct	-11.42%	Disposed	134.1% (price as of 2026-08-20)
Feb. 1, 2023	CLH	A	1,077	—	—	29,417 Direct	+3.80%	Acquired	(price as of 2026-08-20)
Feb. 1, 2023	CLH	A	3,947	—	—	33,364 Direct	+13.42%	Acquired	(price as of 2026-08-20)
Feb. 1, 2023	CLH	A	1,077	—	—	28,240 Direct	+3.96%	Acquired	(price as of 2026-08-20)
Feb. 1, 2023	CLH	A	3,947	—	—	32,187 Direct	+13.98%	Acquired	(price as of 2026-08-20)
Dec. 15, 2022	CLH	F	150	$116.50	$17,475	27,163 Direct	-0.55%	Disposed	179.1% (price as of 2026-08-20)
Nov. 1, 2022	CLH	F	490	$121.47	$59,520	27,313 Direct	-1.76%	Disposed	167.7% (price as of 2026-08-20)
July 1, 2022	CLH	F	375	$90.32	$33,870	27,803 Direct	-1.33%	Disposed	260.1% (price as of 2026-08-20)
April 1, 2022	CLH	F	196	$112.93	$22,134	28,178 Direct	-0.69%	Disposed	188.0% (price as of 2026-08-20)
March 15, 2022	CLH	F	44	$105.77	$4,654	28,374 Direct	-0.15%	Disposed	207.5% (price as of 2026-08-20)
March 10, 2022	CLH	D	458	—	—	28,418 Direct	-1.59%	Disposed	(price as of 2026-08-20)
Feb. 7, 2022	CLH	A	1,272	—	—	28,876 Direct	+4.61%	Acquired	(price as of 2026-08-20)
Feb. 7, 2022	CLH	A	4,663	—	—	27,604 Direct	+20.33%	Acquired	(price as of 2026-08-20)
Dec. 15, 2021	CLH	F	400	$98.73	$39,492	22,941 Direct	-1.71%	Disposed	229.4% (price as of 2026-08-20)
Nov. 1, 2021	CLH	F	489	$115.69	$56,572	23,341 Direct	-2.05%	Disposed	181.1% (price as of 2026-08-20)
July 1, 2021	CLH	F	186	$93.23	$17,341	25,007 Direct	-0.74%	Disposed	248.8% (price as of 2026-08-20)
July 1, 2021	CLH	A	1,234	—	—	25,193 Direct	+5.15%	Acquired	(price as of 2026-08-20)
July 1, 2021	CLH	A	2,468	—	—	23,959 Direct	+11.48%	Acquired	(price as of 2026-08-20)
April 1, 2021	CLH	F	196	$86.15	$16,885	21,491 Direct	-0.90%	Disposed	277.5% (price as of 2026-08-20)
March 15, 2021	CLH	D	707	—	—	21,687 Direct	-3.16%	Disposed	(price as of 2026-08-20)
March 15, 2021	CLH	F	305	$89.50	$27,298	22,394 Direct	-1.34%	Disposed	263.4% (price as of 2026-08-20)
Feb. 1, 2021	CLH	F	347	$79.38	$27,545	23,673 Direct	-1.44%	Disposed	309.7% (price as of 2026-08-20)
Dec. 15, 2020	CLH	F	114	$72.99	$8,321	24,020 Direct	-0.47%	Disposed	345.5% (price as of 2026-08-20)
Nov. 1, 2020	CLH	A	5,000	—	—	24,134 Direct	+26.13%	Acquired	(price as of 2026-08-20)
July 1, 2020	CLH	A	2,287	—	—	19,184 Direct	+13.53%	Acquired	(price as of 2026-08-20)
July 1, 2020	CLH	A	1,715	—	—	16,897 Direct	+11.30%	Acquired	(price as of 2026-08-20)
July 1, 2020	CLH	F	50	$58.30	$2,915	19,134 Direct	-0.26%	Disposed	457.8% (price as of 2026-08-20)
April 1, 2020	CLH	F	294	$45.91	$13,498	15,182 Direct	-1.90%	Disposed	608.3% (price as of 2026-08-20)
April 1, 2020	CLH	A	2,000	—	—	15,476 Direct	+14.84%	Acquired	(price as of 2026-08-20)
March 15, 2020	CLH	F	94	$54.33	$5,107	13,476 Direct	-0.69%	Disposed	498.6% (price as of 2026-08-20)
Feb. 3, 2020	CLH	F	347	$82.22	$28,530	13,570 Direct	-2.49%	Disposed	295.5% (price as of 2026-08-20)
Dec. 15, 2019	CLH	F	173	$83.68	$14,477	13,917 Direct	-1.23%	Disposed	288.6% (price as of 2026-08-20)
Oct. 1, 2019	CLH	F	294	$74.78	$21,985	13,090 Direct	-2.20%	Disposed	334.9% (price as of 2026-08-20)
July 1, 2019	CLH	A	884	—	—	13,384 Direct	+7.07%	Acquired	(price as of 2026-08-20)
July 1, 2019	CLH	A	1,768	—	—	12,500 Direct	+16.47%	Acquired	(price as of 2026-08-20)
April 1, 2019	CLH	F	588	$72.00	$42,336	10,732 Direct	-5.19%	Disposed	351.7% (price as of 2026-08-20)
March 15, 2019	CLH	F	162	$68.74	$11,136	11,320 Direct	-1.41%	Disposed	373.1% (price as of 2026-08-20)
March 13, 2019	CLH	D	369	—	—	11,482 Direct	-3.11%	Disposed	(price as of 2026-08-20)
Feb. 1, 2019	CLH	F	348	$58.85	$20,480	11,851 Direct	-2.85%	Disposed	452.6% (price as of 2026-08-20)
Dec. 14, 2018	CLH	F	19	$55.53	$1,055	12,199 Direct	-0.16%	Disposed	485.6% (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.

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
Oct. 22, 2018	CLH	Common Stock	12,218	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
2024	$450,000	—	$897,511	—	$625,989	—	$4,422	$1,977,922
2023	$410,003	—	$140,645	—	$483,595	—	$4,250	$1,038,493
2020	$318,755	—	$536,654	—	$329,593	—	$4,925	$1,189,927

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