Sandy Slator — SEC Insider Profile, Roles & Companies

Insider at

OIS selling Aug. 22, 2005

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 27 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

27 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 23, 2006	OIS	X	3,750	·	·	33,750 Direct	-10.00%	Disposed	(price as of 2026-10-02)
June 23, 2006	OIS	X	15,000	·	·	37,500 Direct	-28.57%	Disposed	(price as of 2026-10-02)
June 23, 2006	OIS	X	22,500	·	·	52,500 Direct	-30.00%	Disposed	(price as of 2026-10-02)
June 23, 2006	OIS	X	32,500	·	·	75,000 Direct	-30.23%	Disposed	(price as of 2026-10-02)
June 23, 2006	OIS	X	50,000	·	·	107,500 Direct	-31.75%	Disposed	(price as of 2026-10-02)
June 23, 2006	OIS	M	3,750	$21.08	$79,050	125,200 Direct	+3.09%	Acquired	-31.7% (price as of 2026-10-02)
June 23, 2006	OIS	M	15,000	$13.70	$205,500	121,450 Direct	+14.09%	Acquired	5.1% (price as of 2026-10-02)
June 23, 2006	OIS	M	22,500	$11.49	$258,525	106,450 Direct	+26.80%	Acquired	25.3% (price as of 2026-10-02)
June 23, 2006	OIS	M	32,500	$8.00	$260,000	83,950 Direct	+63.17%	Acquired	80.0% (price as of 2026-10-02)
June 23, 2006	OIS	M	50,000	$9.00	$450,000	51,450 Direct	+3448.28%	Acquired	60.0% (price as of 2026-10-02)
March 31, 2006	OIS	J	33,750	·	·	0 Direct	-100.00%	Disposed	(price as of 2026-10-02)
March 31, 2006	OIS	J	1,087	·	·	124,113 Direct	-0.87%	Disposed	(price as of 2026-10-02)
Feb. 24, 2006	OIS	F	70	$36.24	$2,537	1,380 Direct	-4.83%	Disposed	-60.3% (price as of 2026-10-02)
Aug. 22, 2005	OIS	X	18,865	·	·	142,500 Direct	-11.69%	Disposed	(price as of 2026-10-02)
Aug. 22, 2005	OIS	X	18,865	·	·	161,365 Direct	-10.47%	Disposed	(price as of 2026-10-02)
Aug. 22, 2005	OIS	X	18,866	·	·	180,230 Direct	-9.48%	Disposed	(price as of 2026-10-02)
Aug. 22, 2005	OIS	X	18,866	·	·	199,096 Direct	-8.66%	Disposed	(price as of 2026-10-02)
Aug. 22, 2005	OIS	X	12,577	·	·	217,962 Direct	-5.46%	Disposed	(price as of 2026-10-02)
Aug. 22, 2005	OIS	S	18,865	$30.60	$577,269	1,450 Direct	-92.86%	Disposed	-52.9% (price as of 2026-10-02)
Aug. 22, 2005	OIS	M	18,865	$10.40	$196,196	20,315 Direct	+1301.03%	Acquired	38.5% (price as of 2026-10-02)
Aug. 22, 2005	OIS	S	18,865	$30.60	$577,269	1,450 Direct	-92.86%	Disposed	-52.9% (price as of 2026-10-02)
Aug. 22, 2005	OIS	M	18,865	$9.10	$171,672	20,315 Direct	+1301.03%	Acquired	58.3% (price as of 2026-10-02)
Aug. 22, 2005	OIS	S	18,866	$30.60	$577,300	1,450 Direct	-92.86%	Disposed	-52.9% (price as of 2026-10-02)
Aug. 22, 2005	OIS	M	18,866	$7.80	$147,155	20,316 Direct	+1301.10%	Acquired	84.6% (price as of 2026-10-02)
Aug. 22, 2005	OIS	S	18,866	$30.60	$577,300	1,450 Direct	-92.86%	Disposed	-52.9% (price as of 2026-10-02)
Aug. 22, 2005	OIS	M	18,866	$6.50	$122,629	20,316 Direct	+1301.10%	Acquired	121.6% (price as of 2026-10-02)
Aug. 22, 2005	OIS	S	12,577	$30.60	$384,856	1,450 Direct	-89.66%	Disposed	-52.9% (price as of 2026-10-02)
Aug. 22, 2005	OIS	M	12,577	$5.20	$65,400	14,027 Direct	+867.38%	Acquired	177.0% (price as of 2026-10-02)
Feb. 24, 2005	OIS	A	15,000	·	·	245,539 Direct	+6.51%	Acquired	(price as of 2026-10-02)
Feb. 24, 2005	OIS	A	1,450	·	·	1,450 Direct	·	Acquired	(price as of 2026-10-02)
Dec. 1, 2004	OIS	J	25,154	·	·	230,539 Direct	-9.84%	Disposed	(price as of 2026-10-02)
Feb. 26, 2004	OIS	A	30,000	·	·	255,693 Direct	+13.29%	Acquired	(price as of 2026-10-02)

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.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
June 23, 2006	OIS	Common Stock (Right to Purchase)	Common Stock (3,750)	$21.08	Feb. 24, 2011	3,750	Disposed
June 23, 2006	OIS	Common Stock (Right to Purchase)	Common Stock (15,000)	$13.70	Feb. 26, 2010	15,000	Disposed
June 23, 2006	OIS	Common Stock (Right to Purchase	Common Stock (22,500)	$11.49	Feb. 25, 2013	22,500	Disposed
June 23, 2006	OIS	Common Stock (Right to Purchase)	Common Stock (32,500)	$8.00	Feb. 11, 2012	32,500	Disposed
June 23, 2006	OIS	Common Stock (Right to Purchase)	Common Stock (50,000)	$9.00	Feb. 8, 2011	50,000	Disposed
March 31, 2006	OIS	Common Stock (Right to Purchase	Common Stock (33,750)	$0.00	March 31, 2006	33,750	Disposed
Aug. 22, 2005	OIS	Common Stock (Right to Purchase)	Common Stock (18,865)	$10.40	Aug. 31, 2005	18,865	Disposed
Aug. 22, 2005	OIS	Common Stock (Right to Purchase)	Common Stock (18,865)	$9.10	Aug. 31, 2005	18,865	Disposed
Aug. 22, 2005	OIS	Common Stock (Right to Purchase)	Common Stock (18,866)	$7.80	Aug. 31, 2005	18,866	Disposed
Aug. 22, 2005	OIS	Common Stock (Right to Purchase)	Common Stock (18,866)	$6.50	Aug. 31, 2005	18,866	Disposed
Aug. 22, 2005	OIS	Common Stock (Right to Purchase)	Common Stock (12,577)	$5.20	Aug. 31, 2005	12,577	Disposed
Feb. 24, 2005	OIS	Common Stock Option (Right to Purchase)	Common Stock (15,000)	$21.08	Feb. 24, 2011	15,000	Acquired
Dec. 1, 2004	OIS	Common Stock Option (Right to Purchase)	Common Stock (25,154)	$5.20	Dec. 1, 2004	25,154	Disposed
Feb. 26, 2004	OIS	Common Stock Option (Right to Purchase)	Common Stock (30,000)	$13.70	Feb. 26, 2010	30,000	Acquired

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