Mark S. Barrett

Insider

First SEC filing: Oct. 8, 2008 · Latest: Oct. 8, 2008

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 7 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

7 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 4, 2016	DCH	F	4,254	$15.43	$65,639	36,642 Direct	-10.40%	Disposed	-57.0% (price as of 2026-08-19)
March 4, 2016	DCH	A	7,706	—	—	40,896 Direct	+23.22%	Acquired	(price as of 2026-08-19)
Dec. 2, 2015	DCH	S	12,324	$22.55	$277,906	33,190 Direct	-27.08%	Disposed	-70.6% (price as of 2026-08-19)
May 30, 2015	DCH	F	4,569	$25.11	$114,728	45,514 Direct	-9.12%	Disposed	-73.6% (price as of 2026-08-19)
March 2, 2015	DCH	A	4,709	—	—	50,083 Direct	+10.38%	Acquired	(price as of 2026-08-19)
March 6, 2014	DCH	A	5,860	—	—	45,374 Direct	+14.83%	Acquired	(price as of 2026-08-19)
March 6, 2013	DCH	A	12,967	—	—	39,514 Direct	+48.85%	Acquired	(price as of 2026-08-19)
May 30, 2012	DCH	A	13,929	—	—	26,547 Direct	+110.39%	Acquired	(price as of 2026-08-19)

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. 8, 2008	DCH	Common Stock	22,210	Direct
Oct. 8, 2008	DCH	Employee Stock Option (right to purchase)→ Common Stock (6,000)	6,000	Direct
Oct. 8, 2008	DCH	Employee Stock Option (right to purchase)→ Common Stock (23,053)	23,053	Direct
Oct. 8, 2008	DCH	Employee Stock Option (right to purchase)→ Common Stock (10,000)	10,000	Direct
Oct. 8, 2008	DCH	Employee Stock Option (right to purchase)→ Common Stock (10,000)	10,000	Direct
Oct. 8, 2008	DCH	Employee Stock Option (right to purchase)→ Common Stock (9,000)	9,000	Direct