Timothy Peter Revington

Insider

First SEC filing: Dec. 15, 2003 · Latest: Dec. 15, 2003

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 11 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

11 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Dec. 15, 2003	IOSP	M	6,643	—	—	7,362 Direct	-47.43%	Disposed	(price as of 2026-08-21)
Dec. 11, 2003	IOSP	E	808	—	—	911 Direct	-47.00%	Disposed	(price as of 2026-08-21)
Dec. 11, 2003	IOSP	E	2,019	—	—	1,719 Direct	-54.01%	Disposed	(price as of 2026-08-21)
Dec. 11, 2003	IOSP	M	3,624	—	—	3,738 Direct	-49.23%	Disposed	(price as of 2026-08-21)
Dec. 11, 2003	IOSP	M	9,000	—	—	14,005 Direct	-39.12%	Disposed	(price as of 2026-08-21)
Dec. 11, 2003	IOSP	M	4,102	—	—	23,005 Direct	-15.13%	Disposed	(price as of 2026-08-21)
Dec. 11, 2003	IOSP	S	4,750	$19.28	$91,580	22,645 Direct	-17.34%	Disposed	869.4% (price as of 2026-08-21)
Dec. 11, 2003	IOSP		9,000	—	—	27,395 Direct	+48.93%	Acquired	(price as of 2026-08-21)
Dec. 11, 2003	IOSP	M	4,102	$13.11	$53,777	18,395 Direct	+28.70%	Acquired	1325.6% (price as of 2026-08-21)
Dec. 11, 2003	IOSP	M	10,267	$13.28	$136,346	14,293 Direct	+255.02%	Acquired	1307.4% (price as of 2026-08-21)
Oct. 23, 2003	IOSP	M	9,076	$7.81	$70,884	9,076 Direct	—	Acquired	2293.1% (price as of 2026-08-21)
Oct. 23, 2003	IOSP	S	5,050	$17.57	$88,728	4,026 Direct	-55.64%	Disposed	963.7% (price as of 2026-08-21)
Oct. 23, 2003	IOSP	M	9,076	—	—	27,107 Direct	-25.08%	Disposed	(price as of 2026-08-21)
Sept. 30, 2003	IOSP	S	15	$17.55	$263	7,803 Direct	-0.19%	Disposed	965.0% (price as of 2026-08-21)

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
Dec. 15, 2003	IOSP	OPTIONS	COMMON STOCK (6,643)	$13.28	Aug. 8, 2009	6,643	Disposed
Dec. 11, 2003	IOSP	OPTIONS	COMMON STOCK (808)	$0.00	Feb. 20, 2005	808	Disposed
Dec. 11, 2003	IOSP	OPTIONS	COMMON STOCK (2,019)	$17.13	Feb. 20, 2012	2,019	Disposed
Dec. 11, 2003	IOSP	OPTIONS	COMMON STOCK (3,624)	$13.28	Aug. 8, 2009	3,624	Disposed
Dec. 11, 2003	IOSP	OPTIONS	COMMON STOCK (9,000)	$0.00	March 2, 2011	9,000	Disposed
Dec. 11, 2003	IOSP	OPTIONS	COMMON STOCK (4,102)	$13.11	March 2, 2011	4,102	Disposed
Oct. 23, 2003	IOSP	OPTIONS	COMMON STOCK (9,076)	$7.81	May 10, 2010	9,076	Disposed

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