SHAFFER ALAN L

Insider

First SEC filing: March 17, 2005 · Latest: March 17, 2005

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 5 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

5 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 15, 2005	DCH	A	6,500	—	—	6,500 Direct	—	Acquired	(price as of 2026-08-20)
March 15, 2005	DCH	A	4,000	—	—	9,600 Direct	+71.43%	Acquired	(price as of 2026-08-20)
March 15, 2004	DCH	A	18,000	—	—	18,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 2, 2003	DCH	M	33,000	—	—	51,940 Direct	-38.85%	Disposed	(price as of 2026-08-20)
Dec. 2, 2003	DCH	S	27,400	$39.70	$1,087,780	5,600 Direct	-83.03%	Disposed	-83.7% (price as of 2026-08-20)
Dec. 2, 2003	DCH	M	33,000	$12.50	$412,500	33,000 Direct	—	Acquired	-48.2% (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.

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

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
March 15, 2005	DCH	Employee Stock Option (right to buy)	Common Stock (6,500)	$26.65	March 15, 2015	6,500	Acquired
March 15, 2004	DCH	Employee Stock Option (right to buy)	Common Stock (18,000)	$38.70	Feb. 2, 2014	18,000	Acquired
Dec. 2, 2003	DCH	Employee Stock Option (rig ht to buy)	Common Stock (33,000)	$12.50	Oct. 27, 2010	33,000	Disposed

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