Heather Elizabeth Ashworth

Insider

First SEC filing: Feb. 24, 2005 · Latest: Feb. 24, 2005

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 13 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

13 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 20, 2005	IOSP	E	469	—	—	11,746 Direct	-3.84%	Disposed	(price as of 2026-08-21)
Feb. 18, 2005	IOSP	A	570	—	—	10,215 Direct	+5.91%	Acquired	(price as of 2026-08-21)
Feb. 18, 2005	IOSP	A	2,000	—	—	12,215 Direct	+19.58%	Acquired	(price as of 2026-08-21)
May 12, 2004	IOSP	A	1,650	—	—	9,645 Direct	+20.64%	Acquired	(price as of 2026-08-21)
May 12, 2004	IOSP	A	450	—	—	7,995 Direct	+5.96%	Acquired	(price as of 2026-08-21)
March 5, 2004	IOSP	S	11,308	$28.62	$323,635	0 Direct	-100.00%	Disposed	553.0% (price as of 2026-08-21)
March 4, 2004	IOSP	M	1,100	—	—	7,545 Direct	-12.72%	Disposed	(price as of 2026-08-21)
March 4, 2004	IOSP	M	3,624	$13.28	$48,127	8,645 Direct	-29.54%	Disposed	1307.4% (price as of 2026-08-21)
March 4, 2004	IOSP	M	4,121	$7.81	$32,185	12,269 Direct	-25.14%	Disposed	2293.1% (price as of 2026-08-21)
March 4, 2004	IOSP	M	2,463	$13.11	$32,290	16,390 Direct	-13.06%	Disposed	1325.6% (price as of 2026-08-21)
March 4, 2004	IOSP	M	1,100	—	—	11,308 Direct	+10.78%	Acquired	(price as of 2026-08-21)
March 4, 2004	IOSP	M	3,624	$13.28	$48,127	10,208 Direct	+55.04%	Acquired	1307.4% (price as of 2026-08-21)
March 4, 2004	IOSP	M	4,121	$7.81	$32,185	6,584 Direct	+167.32%	Acquired	2293.1% (price as of 2026-08-21)
March 4, 2004	IOSP	M	2,463	$13.11	$32,290	2,463 Direct	—	Acquired	1325.6% (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
Feb. 20, 2005	IOSP	OPTIONS	COMMON STOCK (469)	$0.00	Feb. 20, 2012	469	Disposed
Feb. 18, 2005	IOSP	OPTIONS	COMMON STOCK (570)	$19.77	Feb. 18, 2015	570	Acquired
Feb. 18, 2005	IOSP	OPTIONS	COMMON STOCK (2,000)	$0.00	Feb. 18, 2015	2,000	Acquired
May 12, 2004	IOSP	OPTIONS	COMMON STOCK (1,650)	$0.00	May 12, 2014	1,650	Acquired
May 12, 2004	IOSP	OPTIONS	COMMON STOCK (450)	$23.00	May 12, 2014	450	Acquired
March 4, 2004	IOSP	OPTIONS	COMMON STOCK (1,100)	$0.00	Dec. 31, 2008	1,100	Disposed
March 4, 2004	IOSP	OPTIONS	COMMON STOCK (3,624)	$13.28	Aug. 8, 2009	3,624	Disposed
March 4, 2004	IOSP	OPTIONS	COMMON STOCK (4,121)	$7.81	May 10, 2010	4,121	Disposed
March 4, 2004	IOSP	OPTIONS	COMMON STOCK (2,463)	$13.11	March 1, 2011	2,463	Disposed

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