Thomas Martin

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

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

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 15, 2005	DCH	A	8,000	—	—	8,000 Direct	—	Acquired	(price as of 2026-08-20)
March 15, 2005	DCH	A	5,000	—	—	6,100 Direct	+454.55%	Acquired	(price as of 2026-08-20)
June 1, 2004	DCH	J	7,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 1, 2004	DCH	A	25,000	—	—	25,000 Direct	—	Acquired	(price as of 2026-08-20)
April 29, 2004	DCH	A	7,500	—	—	7,500 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.

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 (8,000)	$26.65	March 15, 2015	8,000	Acquired
June 1, 2004	DCH	Employee Stock Option (right to buy)	Common Stock (7,500)	$37.81	April 29, 2014	7,500	Disposed
June 1, 2004	DCH	Employee Stock Option (right to buy)	Common Stock (25,000)	$35.05	June 1, 2014	25,000	Acquired
April 29, 2004	DCH	Employee Stock Option (right to buy)	Common Stock (7,500)	$37.81	April 29, 2014	7,500	Acquired

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