Robert Ernest Bew

Insider

First SEC filing: July 5, 2006 · Latest: July 5, 2006

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

IOSP selling Aug. 30, 2012

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 41 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

41 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 30, 2012	IOSP	S	10,000	$30.84	$308,400	17,912 Direct	-35.83%	Disposed	207.1% (price as of 2026-08-19)
May 24, 2012	IOSP	M	4,335	$10.38	$44,997	3,182 Direct	-57.67%	Disposed	812.4% (price as of 2026-08-19)
May 24, 2012	IOSP	M	1,343	$10.38	$13,940	67,912 Direct	-1.94%	Disposed	812.4% (price as of 2026-08-19)
May 23, 2012	IOSP	S	8,000	$26.59	$212,720	66,569 Direct	-10.73%	Disposed	256.2% (price as of 2026-08-19)
May 11, 2012	IOSP	M	3,398	$4.62	$15,699	7,517 Direct	-31.13%	Disposed	1950.0% (price as of 2026-08-19)
May 11, 2012	IOSP	M	1,447	$31.10	$45,002	74,569 Direct	-1.90%	Disposed	204.5% (price as of 2026-08-19)
Feb. 29, 2012	IOSP	M	2,224	$20.23	$44,992	10,915 Direct	-16.93%	Disposed	368.2% (price as of 2026-08-19)
Feb. 29, 2012	IOSP	M	1,218	$27.08	$32,983	13,139 Direct	-8.48%	Disposed	249.7% (price as of 2026-08-19)
Feb. 29, 2012	IOSP	M	3,312	$19.93	$66,008	14,357 Direct	-18.74%	Disposed	375.2% (price as of 2026-08-19)
Feb. 29, 2012	IOSP	M	378	$20.23	$7,647	73,122 Direct	+0.52%	Acquired	368.2% (price as of 2026-08-19)
Feb. 29, 2012	IOSP	M	71	$27.08	$1,923	72,744 Direct	+0.10%	Acquired	249.7% (price as of 2026-08-19)
Feb. 29, 2012	IOSP	M	1,117	$9.96	$11,125	72,673 Direct	+1.56%	Acquired	850.9% (price as of 2026-08-19)
Feb. 23, 2012	IOSP	A	1,522	$28.56	$43,468	17,669 Direct	+9.43%	Acquired	231.6% (price as of 2026-08-19)
July 6, 2011	IOSP	J	1,041	$33.61	$34,988	71,556 Direct	+1.48%	Acquired	181.8% (price as of 2026-08-19)
Feb. 22, 2011	IOSP	A	1,660	$27.11	$45,003	16,147 Direct	+11.46%	Acquired	249.4% (price as of 2026-08-19)
July 2, 2010	IOSP	J	3,731	$9.38	$34,997	70,515 Direct	+5.59%	Acquired	909.7% (price as of 2026-08-19)
March 31, 2010	IOSP	P	123	$11.66	$1,434	66,784 Direct	+0.18%	Acquired	712.3% (price as of 2026-08-19)
March 30, 2010	IOSP	P	6,200	$11.85	$73,470	66,661 Direct	+10.25%	Acquired	699.2% (price as of 2026-08-19)
Feb. 17, 2010	IOSP	A	4,335	—	—	14,489 Direct	+42.69%	Acquired	(price as of 2026-08-19)
July 6, 2009	IOSP	J	3,255	$10.75	$34,991	60,461 Direct	+5.69%	Acquired	781.0% (price as of 2026-08-19)
March 24, 2009	IOSP	A	3,398	—	—	10,154 Direct	+50.30%	Acquired	(price as of 2026-08-19)
July 7, 2008	IOSP	J	1,859	$18.82	$34,986	57,206 Direct	+3.36%	Acquired	403.2% (price as of 2026-08-19)
March 10, 2008	IOSP	M	3,340	—	—	6,756 Direct	-33.08%	Disposed	(price as of 2026-08-19)
March 10, 2008	IOSP	S	2,362	$20.50	$48,421	55,347 Direct	-4.09%	Disposed	362.0% (price as of 2026-08-19)
March 10, 2008	IOSP	M	3,340	$9.88	$32,999	57,709 Direct	+6.14%	Acquired	858.6% (price as of 2026-08-19)
Feb. 20, 2008	IOSP	A	2,224	—	—	10,096 Direct	+28.25%	Acquired	(price as of 2026-08-19)
Aug. 15, 2007	IOSP	M	4,462	—	—	7,872 Direct	-36.18%	Disposed	(price as of 2026-08-19)
Aug. 15, 2007	IOSP	M	2,016	—	—	12,332 Direct	-14.05%	Disposed	(price as of 2026-08-19)
Aug. 15, 2007	IOSP	M	1,200	—	—	14,438 Direct	-7.67%	Disposed	(price as of 2026-08-19)
Aug. 15, 2007	IOSP	M	41,114	—	—	15,548 Direct	-72.56%	Disposed	(price as of 2026-08-19)
Aug. 15, 2007	IOSP	M	20,556	—	—	56,662 Direct	-26.62%	Disposed	(price as of 2026-08-19)
Aug. 15, 2007	IOSP	S	38,481	$22.62	$870,440	54,369 Direct	-41.44%	Disposed	318.7% (price as of 2026-08-19)
Aug. 15, 2007	IOSP	M	4,462	—	—	92,850 Direct	+5.05%	Acquired	(price as of 2026-08-19)
Aug. 15, 2007	IOSP	M	2,016	—	—	88,388 Direct	+2.33%	Acquired	(price as of 2026-08-19)
Aug. 15, 2007	IOSP	M	1,200	—	—	86,372 Direct	+1.41%	Acquired	(price as of 2026-08-19)
Aug. 15, 2007	IOSP	M	41,114	$6.64	$272,997	85,172 Direct	+93.32%	Acquired	1326.4% (price as of 2026-08-19)
Aug. 15, 2007	IOSP	M	20,556	$6.64	$136,492	44,058 Direct	+87.46%	Acquired	1326.4% (price as of 2026-08-19)
July 6, 2007	IOSP	J	591	$59.21	$34,993	11,751 Direct	+5.30%	Acquired	219.9% (price as of 2026-08-19)
Feb. 21, 2007	IOSP	A	609	—	—	38,609 Direct	+1.60%	Acquired	(price as of 2026-08-19)
July 3, 2006	IOSP	J	1,376	$25.42	$34,978	11,160 Direct	+14.06%	Acquired	645.2% (price as of 2026-08-19)
Feb. 13, 2006	IOSP	A	1,656	—	—	38,000 Direct	+4.56%	Acquired	(price as of 2026-08-19)
Feb. 17, 2005	IOSP	A	1,670	—	—	36,344 Direct	+4.82%	Acquired	(price as of 2026-08-19)
Aug. 20, 2004	IOSP	S	11,000	$22.91	$252,010	7,829 Direct	-58.42%	Disposed	726.8% (price as of 2026-08-19)
Aug. 17, 2004	IOSP	S	400	$24.00	$9,600	18,829 Direct	-2.08%	Disposed	689.2% (price as of 2026-08-19)
Aug. 5, 2004	IOSP	M	17,466	$7.81	$136,409	27,995 Direct	+165.88%	Acquired	2325.4% (price as of 2026-08-19)
Aug. 5, 2004	IOSP	S	2,700	$24.61	$66,447	25,295 Direct	-9.64%	Disposed	669.7% (price as of 2026-08-19)
Aug. 5, 2004	IOSP	S	6,066	$27.15	$164,692	19,229 Direct	-23.98%	Disposed	597.7% (price as of 2026-08-19)
Aug. 5, 2004	IOSP	M	17,466	—	—	34,674 Direct	-33.50%	Disposed	(price as of 2026-08-19)
Aug. 4, 2004	IOSP	S	4,500	$24.28	$109,260	10,529 Direct	-29.94%	Disposed	680.1% (price as of 2026-08-19)
Aug. 3, 2004	IOSP	S	2,200	$25.26	$55,572	15,029 Direct	-12.77%	Disposed	649.9% (price as of 2026-08-19)
Aug. 2, 2004	IOSP	S	5,029	$25.80	$129,748	17,229 Direct	-22.59%	Disposed	634.2% (price as of 2026-08-19)
July 30, 2004	IOSP	M	14,429	—	—	52,140 Direct	-21.68%	Disposed	(price as of 2026-08-19)
July 30, 2004	IOSP	M	14,429	$19.60	$282,808	22,258 Direct	+184.30%	Acquired	866.4% (price as of 2026-08-19)
July 2, 2004	IOSP	J	1,250	$26.40	$33,000	7,829 Direct	+19.00%	Acquired	617.5% (price as of 2026-08-19)

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
May 24, 2012	IOSP	Stock Options	Common Stock (4,335)	$10.38	May 9, 2013	4,335	Disposed
May 11, 2012	IOSP	Stock Options	Common Stock (3,398)	$4.62	March 24, 2019	3,398	Disposed
Feb. 29, 2012	IOSP	Stock Options	Common Stock (2,224)	$20.23	Feb. 20, 2018	2,224	Disposed
Feb. 29, 2012	IOSP	Stock Options	Common Stock (1,218)	$27.08	Feb. 21, 2017	1,218	Disposed
Feb. 29, 2012	IOSP	Stock Options	Common Stock (3,312)	$19.93	Feb. 13, 2016	3,312	Disposed
Feb. 23, 2012	IOSP	Stock Options	Common Stock (1,522)	$29.56	Feb. 23, 2022	1,522	Acquired
Feb. 22, 2011	IOSP	Options	Common Stock (1,660)	$27.11	Feb. 23, 2021	1,660	Acquired
Feb. 17, 2010	IOSP	Options	Common Stock (4,335)	$0.00	Feb. 17, 2020	4,335	Acquired
March 24, 2009	IOSP	Options	Common Stock (3,398)	$4.62	March 24, 2019	3,398	Acquired
March 10, 2008	IOSP	Options	Common Stock (3,340)	$9.88	Feb. 17, 2015	3,340	Disposed
Feb. 20, 2008	IOSP	Options	Common Stock (2,224)	$20.23	Feb. 20, 2018	2,224	Acquired
Aug. 15, 2007	IOSP	Options	Common Stock (4,462)	$0.00	May 7, 2011	4,462	Disposed
Aug. 15, 2007	IOSP	Options	Common Stock (2,016)	$0.00	May 6, 2012	2,016	Disposed
Aug. 15, 2007	IOSP	Options	Common Stock (1,200)	$0.00	June 17, 2012	1,200	Disposed
Aug. 15, 2007	IOSP	Options	Common Stock (41,114)	$6.64	Dec. 31, 2008	41,114	Disposed
Aug. 15, 2007	IOSP	Options	Common Stock (20,556)	$6.64	Aug. 8, 2009	20,556	Disposed
Feb. 21, 2007	IOSP	options	common stock (609)	$54.17	Feb. 21, 2017	609	Acquired
Feb. 13, 2006	IOSP	OPTIONS	COMMON STOCK (1,656)	$19.93	Feb. 13, 2016	1,656	Acquired
Feb. 17, 2005	IOSP	OPTIONS	COMMON STOCK (1,670)	$19.77	Feb. 17, 2015	1,670	Acquired
Aug. 5, 2004	IOSP	OPTIONS	COMMON STOCK (17,466)	$7.81	May 10, 2010	17,466	Disposed
July 30, 2004	IOSP	OPTION	COMMON STOCK (14,429)	$19.60	Dec. 31, 2007	14,429	Disposed

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