Richard Tudor Shone

Insider

First SEC filing: Jan. 14, 2005 · Latest: Jan. 14, 2005

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 May 16, 2008

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 31 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

31 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 16, 2008	IOSP	M	1,330	—	—	2,220 Direct	-37.46%	Disposed	(price as of 2026-08-21)
May 16, 2008	IOSP	S	1,330	$23.60	$31,388	12,386 Direct	-9.70%	Disposed	296.0% (price as of 2026-08-21)
May 16, 2008	IOSP	M	1,330	$7.91	$10,520	13,716 Direct	+10.74%	Acquired	1081.4% (price as of 2026-08-21)
May 23, 2007	IOSP	M	2,250	—	—	1,775 Direct	-55.90%	Disposed	(price as of 2026-08-21)
May 23, 2007	IOSP	M	2,913	—	—	4,025 Direct	-41.99%	Disposed	(price as of 2026-08-21)
May 23, 2007	IOSP	M	5,000	—	—	6,938 Direct	-41.88%	Disposed	(price as of 2026-08-21)
May 23, 2007	IOSP	S	10,163	$61.11	$621,061	6,193 Direct	-62.14%	Disposed	205.8% (price as of 2026-08-21)
May 23, 2007	IOSP	M	2,250	—	—	16,356 Direct	+15.95%	Acquired	(price as of 2026-08-21)
May 23, 2007	IOSP	M	2,913	$17.13	$49,900	14,106 Direct	+26.03%	Acquired	991.1% (price as of 2026-08-21)
May 23, 2007	IOSP	M	5,000	$13.91	$69,550	11,193 Direct	+80.74%	Acquired	1243.6% (price as of 2026-08-21)
May 22, 2007	IOSP	M	718	—	—	11,938 Direct	-5.67%	Disposed	(price as of 2026-08-21)
May 22, 2007	IOSP	M	575	—	—	12,656 Direct	-4.35%	Disposed	(price as of 2026-08-21)
May 22, 2007	IOSP	M	423	—	—	6,193 Direct	+7.33%	Acquired	(price as of 2026-08-21)
May 22, 2007	IOSP	M	339	—	—	5,770 Direct	+6.24%	Acquired	(price as of 2026-08-21)
March 12, 2007	IOSP	A	100	—	—	13,231 Direct	+0.76%	Acquired	(price as of 2026-08-21)
Nov. 15, 2006	IOSP	M	3,624	$13.28	$48,127	9,055 Direct	+66.73%	Acquired	1307.4% (price as of 2026-08-21)
Nov. 15, 2006	IOSP	M	2,561	$13.11	$33,575	11,616 Direct	+28.28%	Acquired	1325.6% (price as of 2026-08-21)
Nov. 15, 2006	IOSP	M	13	$6643.00	$86,359	18,259 Direct	+0.07%	Acquired	-97.2% (price as of 2026-08-21)
Nov. 15, 2006	IOSP	S	41	$12828.00	$525,948	5,431 Direct	-0.75%	Disposed	-98.5% (price as of 2026-08-21)
Nov. 15, 2006	IOSP	M	3,624	—	—	22,335 Direct	-13.96%	Disposed	(price as of 2026-08-21)
Nov. 15, 2006	IOSP	M	2,561	—	—	19,774 Direct	-11.47%	Disposed	(price as of 2026-08-21)
Nov. 15, 2006	IOSP	M	6,643	—	—	13,131 Direct	-33.59%	Disposed	(price as of 2026-08-21)
May 19, 2006	IOSP	M	1,200	—	—	25,959 Direct	-4.42%	Disposed	(price as of 2026-08-21)
May 19, 2006	IOSP	S	1,200	$24.09	$28,908	5,431 Direct	-18.10%	Disposed	675.8% (price as of 2026-08-21)
May 19, 2006	IOSP	M	1,200	—	—	6,631 Direct	+22.10%	Acquired	(price as of 2026-08-21)
March 17, 2006	IOSP	E	800	—	—	27,159 Direct	-2.86%	Disposed	(price as of 2026-08-21)
Aug. 1, 2005	IOSP	E	911	—	—	27,959 Direct	-3.16%	Disposed	(price as of 2026-08-21)
March 4, 2005	IOSP	A	665	—	—	28,870 Direct	+2.36%	Acquired	(price as of 2026-08-21)
Feb. 20, 2005	IOSP	E	575	—	—	28,205 Direct	-2.00%	Disposed	(price as of 2026-08-21)
May 12, 2004	IOSP	A	2,250	—	—	29,087 Direct	+8.38%	Acquired	(price as of 2026-08-21)
May 12, 2004	IOSP	A	650	—	—	26,837 Direct	+2.48%	Acquired	(price as of 2026-08-21)
March 5, 2004	IOSP	M	8,378	$7.81	$65,432	13,809 Direct	+154.26%	Acquired	2293.1% (price as of 2026-08-21)
March 5, 2004	IOSP	M	1,747	—	—	15,556 Direct	+12.65%	Acquired	(price as of 2026-08-21)
March 5, 2004	IOSP	S	10,485	$28.83	$302,283	5,071 Direct	-67.40%	Disposed	548.3% (price as of 2026-08-21)
March 5, 2004	IOSP	M	8,378	$7.81	$65,432	27,934 Direct	-23.07%	Disposed	2293.1% (price as of 2026-08-21)
March 5, 2004	IOSP	M	1,747	—	—	26,187 Direct	-6.25%	Disposed	(price as of 2026-08-21)
Sept. 30, 2003	IOSP	S	15	$17.55	$263	5,431 Direct	-0.28%	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.

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 16, 2008	IOSP	Options	Common Stock (1,330)	$7.91	Oct. 31, 2008	1,330	Disposed
May 23, 2007	IOSP	Options	Common Stock (2,250)	$0.00	May 12, 2014	2,250	Disposed
May 23, 2007	IOSP	Options	Common Stock (2,913)	$17.13	Feb. 20, 2012	2,913	Disposed
May 23, 2007	IOSP	Options	Common Stock (5,000)	$13.91	March 17, 2013	5,000	Disposed
May 22, 2007	IOSP	Options	Common Stock (718)	$0.00	March 2, 2011	718	Disposed
May 22, 2007	IOSP	Options	Common Stock (575)	$0.00	Feb. 20, 2012	575	Disposed
March 12, 2007	IOSP	Options	Common Stock (100)	$0.00	March 12, 2017	100	Acquired
Nov. 15, 2006	IOSP	options	common stock (3,624)	$13.28	Aug. 8, 2009	3,624	Disposed
Nov. 15, 2006	IOSP	options	common stock (2,561)	$13.11	March 2, 2011	2,561	Disposed
Nov. 15, 2006	IOSP	options	common stock (6,643)	$13.28	Aug. 8, 2009	6,643	Disposed
May 19, 2006	IOSP	OPTIONS	COMMON STOCK (1,200)	$0.00	March 17, 2013	1,200	Disposed
March 17, 2006	IOSP	OPTIONS	COMMON STOCK (800)	$0.00	March 17, 2013	800	Disposed
Aug. 1, 2005	IOSP	OPTIONS	COMMON STOCK (911)	—	Aug. 1, 2005	911	Disposed
March 4, 2005	IOSP	OPTIONS	COMMON STOCK (665)	—	Nov. 1, 2008	665	Acquired
Feb. 20, 2005	IOSP	OPTIONS	COMMON STOCK (575)	$0.00	Feb. 20, 2012	575	Disposed
May 12, 2004	IOSP	OPTIONS	COMMON STOCK (2,250)	$0.00	May 12, 2014	2,250	Acquired
May 12, 2004	IOSP	OPTIONS	COMMON STOCK (650)	$23.00	May 12, 2014	650	Acquired
March 5, 2004	IOSP	OPTIONS	COMMON STOCK (8,378)	$7.81	May 10, 2010	8,378	Disposed
March 5, 2004	IOSP	OPTIONS	COMMON STOCK (1,747)	$0.00	May 10, 2010	1,747	Disposed

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