Thomas J Szymanski

Insider

First SEC filing: Nov. 10, 2010 · Latest: Nov. 10, 2010

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 9 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

9 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 4, 2016	DCH	F	2,752	$15.43	$42,463	27,289 Direct	-9.16%	Disposed	-58.0% (price as of 2026-08-20)
March 4, 2016	DCH	A	5,448	—	—	30,041 Direct	+22.15%	Acquired	(price as of 2026-08-20)
Nov. 6, 2015	DCH	S	1,000	$22.43	$22,430	25,393 Direct	-3.79%	Disposed	-71.1% (price as of 2026-08-20)
Nov. 6, 2015	DCH	S	800	$22.44	$17,952	24,593 Direct	-3.15%	Disposed	-71.1% (price as of 2026-08-20)
Nov. 6, 2015	DCH	S	13,265	$22.42	$297,401	26,393 Direct	-33.45%	Disposed	-71.1% (price as of 2026-08-20)
May 30, 2015	DCH	F	3,805	$25.11	$95,544	39,658 Direct	-8.75%	Disposed	-74.2% (price as of 2026-08-20)
March 2, 2015	DCH	A	3,232	—	—	43,463 Direct	+8.03%	Acquired	(price as of 2026-08-20)
March 6, 2014	DCH	A	5,178	—	—	40,231 Direct	+14.77%	Acquired	(price as of 2026-08-20)
March 13, 2013	DCH	S	6,614	$13.10	$86,643	35,053 Direct	-15.87%	Disposed	-50.5% (price as of 2026-08-20)
March 12, 2013	DCH	S	1,386	$13.20	$18,295	41,667 Direct	-3.22%	Disposed	-50.9% (price as of 2026-08-20)
March 6, 2013	DCH	A	8,388	—	—	43,053 Direct	+24.20%	Acquired	(price as of 2026-08-20)
May 30, 2012	DCH	A	11,600	—	—	34,665 Direct	+50.29%	Acquired	(price as of 2026-08-20)
March 14, 2012	DCH	F	1,379	$11.61	$16,010	23,065 Direct	-5.64%	Disposed	-44.2% (price as of 2026-08-20)
Jan. 6, 2012	DCH	F	5,879	$11.40	$67,021	24,444 Direct	-19.39%	Disposed	-43.2% (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.

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

Date	Ticker	Security	Shares	Ownership
Nov. 10, 2010	DCH	Common Stock	33,721	Direct
Nov. 10, 2010	DCH	Employee Stock Option (right to buy)→ Common Stock (9,000)	9,000	Direct
Nov. 10, 2010	DCH	Employee Stock Option (right to buy)→ Common Stock (9,000)	9,000	Direct
Nov. 10, 2010	DCH	Employee Stock Option (right to buy)→ Common Stock (7,500)	7,500	Direct