Donald A Wallgren

Insider

First SEC filing: Jan. 14, 2009 · Latest: Jan. 14, 2009

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 8 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

No open-market trades on record; showing all filings.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Dec. 31, 2008	CWST	J	1,869	$3.47	$6,485	5,600 Direct	+50.09%	Acquired	2576.5% (price as of 2026-08-21)
Dec. 30, 2008	CWST	A	2,000	$2.80	$5,600	3,731 Direct	+115.54%	Acquired	3217.0% (price as of 2026-08-21)
June 30, 2008	CWST	J	651	$10.36	$6,744	1,731 Direct	+60.28%	Acquired	796.5% (price as of 2026-08-21)
Dec. 31, 2007	CWST	J	754	$8.95	$6,748	1,080 Direct	+231.29%	Acquired	937.7% (price as of 2026-08-21)
July 23, 2007	CWST	A	500	$11.01	$5,505	500 Direct	—	Acquired	743.6% (price as of 2026-08-21)
July 2, 2007	CWST	J	226	$8.95	$2,023	326 Direct	+226.00%	Acquired	937.7% (price as of 2026-08-21)
Oct. 16, 2006	CWST	A	100	$11.55	$1,155	100 Direct	—	Acquired	704.1% (price as of 2026-08-21)
May 1, 2006	CWST	A	15,000	$15.68	$235,200	15,000 Direct	—	Acquired	492.3% (price as of 2026-08-21)

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.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
July 23, 2007	CWST	Option	Class A Common Stock (500)	$11.01	July 23, 2017	500	Acquired
May 1, 2006	CWST	Option	Class A Common Stock (15,000)	$15.68	May 1, 2016	15,000	Acquired

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