Stephen A Wells

Insider

First SEC filing: May 9, 2018 · Latest: May 9, 2018

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.

Insider at

OIS selling Sept. 14, 2012

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 37 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

37 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 8, 2018	OIS	A	3,425	—	—	55,149 Direct	+6.62%	Acquired	(price as of 2026-08-20)
Sept. 30, 2012	OIS	A	126	$79.46	$10,012	34,791 Direct	+0.36%	Acquired	-80.2% (price as of 2026-08-20)
Sept. 14, 2012	OIS	S	6,295	$87.03	$547,854	34,665 Direct	-15.37%	Disposed	-82.0% (price as of 2026-08-20)
June 30, 2012	OIS	A	151	$66.20	$9,996	40,960 Direct	+0.37%	Acquired	-76.3% (price as of 2026-08-20)
May 15, 2012	OIS	A	1,558	—	—	40,809 Direct	+3.97%	Acquired	(price as of 2026-08-20)
March 31, 2012	OIS	A	128	$78.06	$9,992	39,251 Direct	+0.33%	Acquired	-79.9% (price as of 2026-08-20)
March 30, 2012	OIS	S	5,000	$78.33	$391,650	39,123 Direct	-11.33%	Disposed	-80.0% (price as of 2026-08-20)
Dec. 31, 2011	OIS	A	131	$76.37	$10,004	44,123 Direct	+0.30%	Acquired	-79.4% (price as of 2026-08-20)
Sept. 30, 2011	OIS	A	196	$50.92	$9,980	43,992 Direct	+0.45%	Acquired	-69.2% (price as of 2026-08-20)
June 30, 2011	OIS	A	125	$79.91	$9,989	43,796 Direct	+0.29%	Acquired	-80.3% (price as of 2026-08-20)
May 17, 2011	OIS	A	1,541	—	—	43,671 Direct	+3.66%	Acquired	(price as of 2026-08-20)
March 31, 2011	OIS	A	131	$76.14	$9,974	42,130 Direct	+0.31%	Acquired	-79.4% (price as of 2026-08-20)
Dec. 31, 2010	OIS	A	156	$64.09	$9,998	41,999 Direct	+0.37%	Acquired	-75.5% (price as of 2026-08-20)
Sept. 30, 2010	OIS	A	215	$46.55	$10,008	41,843 Direct	+0.52%	Acquired	-66.3% (price as of 2026-08-20)
June 30, 2010	OIS	A	253	$39.58	$10,014	41,628 Direct	+0.61%	Acquired	-60.3% (price as of 2026-08-20)
May 13, 2010	OIS	A	2,331	—	—	41,375 Direct	+5.97%	Acquired	(price as of 2026-08-20)
March 31, 2010	OIS	S	17,384	$45.90	$797,926	39,044 Direct	-30.81%	Disposed	-65.8% (price as of 2026-08-20)
March 31, 2010	OIS	A	221	$45.34	$10,020	56,428 Direct	+0.39%	Acquired	-65.4% (price as of 2026-08-20)
Dec. 31, 2009	OIS	A	255	—	—	56,207 Direct	+0.46%	Acquired	(price as of 2026-08-20)
Sept. 30, 2009	OIS	A	285	—	—	55,952 Direct	+0.51%	Acquired	(price as of 2026-08-20)
June 30, 2009	OIS	A	413	—	—	55,667 Direct	+0.75%	Acquired	(price as of 2026-08-20)
May 14, 2009	OIS	A	5,416	—	—	55,254 Direct	+10.87%	Acquired	(price as of 2026-08-20)
March 31, 2009	OIS	A	746	—	—	49,838 Direct	+1.52%	Acquired	(price as of 2026-08-20)
Dec. 31, 2008	OIS	A	536	—	—	49,092 Direct	+1.10%	Acquired	(price as of 2026-08-20)
Oct. 23, 2008	OIS	X	5,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 23, 2008	OIS	X	5,000	—	—	5,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Oct. 3, 2008	OIS	M	5,000	$14.39	$71,950	48,556 Direct	+11.48%	Acquired	9.1% (price as of 2026-08-20)
Oct. 3, 2008	OIS	M	5,000	$13.00	$65,000	43,556 Direct	+12.97%	Acquired	20.8% (price as of 2026-08-20)
Oct. 3, 2008	OIS	X	5,000	—	—	10,000 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Oct. 3, 2008	OIS	X	5,000	—	—	15,000 Direct	-25.00%	Disposed	(price as of 2026-08-20)
Oct. 3, 2008	OIS	M	5,000	$11.65	$58,250	38,556 Direct	+14.90%	Acquired	34.8% (price as of 2026-08-20)
Oct. 3, 2008	OIS	M	5,000	$9.00	$45,000	33,556 Direct	+17.51%	Acquired	74.5% (price as of 2026-08-20)
Sept. 30, 2008	OIS	A	283	—	—	28,556 Direct	+1.00%	Acquired	(price as of 2026-08-20)
June 30, 2008	OIS	A	80	—	—	28,273 Direct	+0.28%	Acquired	(price as of 2026-08-20)
June 6, 2008	OIS	S	15,000	$61.62	$924,300	28,193 Direct	-34.73%	Disposed	-74.5% (price as of 2026-08-20)
May 15, 2008	OIS	A	1,959	—	—	43,193 Direct	+4.75%	Acquired	(price as of 2026-08-20)
May 17, 2007	OIS	A	2,028	—	—	41,234 Direct	+5.17%	Acquired	(price as of 2026-08-20)
Nov. 27, 2006	OIS	P	3,000	$29.44	$88,320	39,206 Direct	+8.29%	Acquired	-46.7% (price as of 2026-08-20)
Sept. 12, 2006	OIS	P	4,000	$27.33	$109,320	36,206 Direct	+12.42%	Acquired	-42.5% (price as of 2026-08-20)
Aug. 15, 2006	OIS	P	1,000	$29.97	$29,970	32,206 Direct	+3.20%	Acquired	-47.6% (price as of 2026-08-20)
Aug. 14, 2006	OIS	P	2,000	$29.86	$59,720	2,000 Indirect	—	Acquired	-47.4% (price as of 2026-08-20)
Aug. 14, 2006	OIS	P	7,000	$29.83	$208,810	31,206 Direct	+28.92%	Acquired	-47.4% (price as of 2026-08-20)
May 18, 2006	OIS	A	2,091	—	—	24,206 Direct	+9.46%	Acquired	(price as of 2026-08-20)
May 18, 2005	OIS	A	3,436	—	—	22,115 Direct	+18.39%	Acquired	(price as of 2026-08-20)
May 18, 2004	OIS	A	5,000	—	—	20,000 Direct	+33.33%	Acquired	(price as of 2026-08-20)
Aug. 6, 2003	OIS	A	1,554	$11.09	$17,234	3,954 Direct	+64.75%	Acquired	41.6% (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.

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
Oct. 23, 2008	OIS	Common Stock Option (Right to Purchase)	Common Stock (5,000)	$14.39	May 18, 2014	5,000	Disposed
Oct. 23, 2008	OIS	Common Stock Option (Right to Purchase)	Common Stock (5,000)	$13.00	May 13, 2013	5,000	Disposed
Oct. 3, 2008	OIS	Common Stock Option (Right to Purchase)	Common Stock (5,000)	$11.65	May 15, 2012	5,000	Disposed
Oct. 3, 2008	OIS	Common Stock Option (Right to Purchase)	Common Stock (5,000)	$9.00	Feb. 8, 2011	5,000	Disposed
May 18, 2004	OIS	Common Stock Option (Right to Purchase)	Common Stock (5,000)	$14.39	May 18, 2010	5,000	Acquired
Aug. 6, 2003	OIS	Phantom Stock [F1]	Common Stock (1,554)	$0.00	—	1,554	Acquired

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