David J. Vergo

Insider

First SEC filing: Oct. 4, 2016 · Latest: Oct. 4, 2016

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 13 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

13 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 17, 2019	CLH	D	19,659	—	—	4,783 Direct	-80.43%	Disposed	(price as of 2026-08-20)
April 1, 2019	CLH	F	977	$72.00	$70,344	24,442 Direct	-3.84%	Disposed	351.7% (price as of 2026-08-20)
March 15, 2019	CLH	F	538	$68.74	$36,982	25,419 Direct	-2.07%	Disposed	373.1% (price as of 2026-08-20)
March 13, 2019	CLH	D	3,024	—	—	25,957 Direct	-10.43%	Disposed	(price as of 2026-08-20)
Oct. 1, 2018	CLH	F	469	$70.89	$33,247	28,981 Direct	-1.59%	Disposed	358.7% (price as of 2026-08-20)
Aug. 6, 2018	CLH	S	2,384	$62.22	$148,332	29,450 Direct	-7.49%	Disposed	422.7% (price as of 2026-08-20)
July 1, 2018	CLH	A	3,451	—	—	31,834 Direct	+12.16%	Acquired	(price as of 2026-08-20)
July 1, 2018	CLH	A	5,176	—	—	28,383 Direct	+22.30%	Acquired	(price as of 2026-08-20)
April 2, 2018	CLH	F	949	$48.81	$46,321	23,207 Direct	-3.93%	Disposed	566.3% (price as of 2026-08-20)
Nov. 9, 2017	CLH	S	1,097	$54.00	$59,238	24,156 Direct	-4.34%	Disposed	502.2% (price as of 2026-08-20)
Oct. 1, 2017	CLH	F	503	$56.70	$28,520	25,253 Direct	-1.95%	Disposed	473.5% (price as of 2026-08-20)
July 1, 2017	CLH	A	3,102	—	—	25,756 Direct	+13.69%	Acquired	(price as of 2026-08-20)
July 1, 2017	CLH	A	4,654	—	—	22,654 Direct	+25.86%	Acquired	(price as of 2026-08-20)
April 1, 2017	CLH	A	10,000	—	—	18,000 Direct	+125.00%	Acquired	(price as of 2026-08-20)
Oct. 1, 2016	CLH	A	8,000	—	—	8,000 Direct	—	Acquired	(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.

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

Date	Ticker	Security	Shares	Ownership
Oct. 4, 2016	CLH	Common Stock	0	Direct

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

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2018	$450,000	—	$335,466	—	$641,000	—	$1,470	$1,427,936
2017	$450,000	—	$729,354	—	$388,297	—	$720	$1,568,371

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