Brian A Matusek

Insider

First SEC filing: Feb. 14, 2008 · Latest: Feb. 14, 2008

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 8 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

8 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 6, 2008	AROC	D	16,893	—	—	23,200 Direct	-42.13%	Disposed	(price as of 2026-08-20)
May 9, 2008	AROC	F	900	$72.16	$64,944	40,093 Direct	-2.20%	Disposed	-55.4% (price as of 2026-08-20)
March 4, 2008	AROC	A	32,530	—	—	32,530 Direct	—	Acquired	(price as of 2026-08-20)
March 4, 2008	AROC	A	12,040	—	—	40,993 Direct	+41.58%	Acquired	(price as of 2026-08-20)
Aug. 21, 2007	AROC	S 10b5-1	3,250	$79.06	$256,945	28,949 Direct	-10.09%	Disposed	-59.3% (price as of 2026-08-20)
Aug. 21, 2007	AROC	F	6,441	$79.45	$511,737	32,199 Direct	-16.67%	Disposed	-59.5% (price as of 2026-08-20)
Aug. 20, 2007	AROC	A	5,525	—	—	5,525 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 20, 2007	AROC	A	1,827	—	—	1,827 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 20, 2007	AROC	A	38,640	—	—	38,640 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 4, 2008	AROC	Stock Option ( Right to Buy)	Common Stock (32,530)	$67.30	March 4, 2015	32,530	Acquired
Aug. 20, 2007	AROC	Employee Stock Option (Right to Buy)	Common Stock (5,525)	—	July 8, 2015	5,525	Acquired
Aug. 20, 2007	AROC	Employee Stock Option (Right to Buy)	Common Stock (1,827)	—	Oct. 22, 2013	1,827	Acquired

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