Donald L Dillingham

Insider

First SEC filing: March 24, 2008 · Latest: March 24, 2008

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 6 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

6 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Sept. 10, 2015	GPOR	A	3,830	—	—	13,986 Direct	+37.71%	Acquired	(price as of 2026-08-20)
Aug. 29, 2014	GPOR	S	2,000	$58.56	$117,120	10,156 Direct	-16.45%	Disposed	196.1% (price as of 2026-08-20)
July 10, 2014	GPOR	A	1,609	—	—	12,156 Direct	+15.26%	Acquired	(price as of 2026-08-20)
Dec. 10, 2013	GPOR	A	863	—	—	10,547 Direct	+8.91%	Acquired	(price as of 2026-08-20)
May 20, 2013	GPOR	S	1,250	$49.33	$61,662	9,684 Direct	-11.43%	Disposed	251.5% (price as of 2026-08-20)
May 16, 2013	GPOR	S	1,000	$48.85	$48,850	10,934 Direct	-8.38%	Disposed	255.0% (price as of 2026-08-20)
Nov. 9, 2011	GPOR	A	1,398	$33.75	$47,182	5,268 Indirect	+36.12%	Acquired	413.8% (price as of 2026-08-20)
Nov. 9, 2011	GPOR	S	1,398	$33.75	$47,182	5,268 Indirect	-20.97%	Disposed	413.8% (price as of 2026-08-20)
May 3, 2011	GPOR	A	6,666	—	—	6,666 Direct	—	Acquired	(price as of 2026-08-20)
March 13, 2008	GPOR	A	6,666	—	—	6,666 Indirect	—	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.