Norman A Mckay

Insider

First SEC filing: April 7, 2008 · Latest: Feb. 17, 2009

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 4 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 4, 2009	AROC	A	52,184	—	—	52,184 Direct	—	Acquired	(price as of 2026-08-20)
March 4, 2009	AROC	A	19,517	—	—	57,341 Direct	+51.60%	Acquired	(price as of 2026-08-20)
July 29, 2008	AROC	A	9,394	—	—	9,394 Direct	—	Acquired	(price as of 2026-08-20)
July 29, 2008	AROC	A	3,476	—	—	37,483 Direct	+10.22%	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, 2009	AROC	Stock Option Right to Buy	Common Stock (52,184)	$16.14	March 4, 2016	52,184	Acquired
July 29, 2008	AROC	Stock Option Right to Buy	Common Stock (9,394)	$57.54	July 29, 2015	9,394	Acquired

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

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

Date	Ticker	Security	Shares	Ownership
April 7, 2008	AROC	Common Stock	34,007	Direct
April 7, 2008	AROC	Stock Option Right to Buy→ Common Stock (4,225)	4,225	Direct
April 7, 2008	AROC	Stock Option Right to Buy→ Common Stock (3,715)	3,715	Direct
April 7, 2008	AROC	Stock Option Right to Buy→ Common Stock (3,920)	3,920	Direct