John Philip Tayler

CIK 1195937 · View on SEC EDGAR ↗

Insider

First SEC filing: May 26, 2004 · Latest: May 26, 2004

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 25, 2004

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 18 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

18 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 25, 2004	IOSP	S	300	$21.00	$6,300	0 Direct	-100.00%	Disposed	790.0% (price as of 2026-08-21)
May 24, 2004	IOSP	S	2,627	$21.03	$55,246	300 Direct	-89.75%	Disposed	788.7% (price as of 2026-08-21)
May 21, 2004	IOSP	S	686	$21.44	$14,708	2,927 Direct	-18.99%	Disposed	771.7% (price as of 2026-08-21)
May 20, 2004	IOSP	E	225	—	—	5,774 Direct	-3.75%	Disposed	(price as of 2026-08-21)
May 20, 2004	IOSP	M	686	—	—	5,999 Direct	-10.26%	Disposed	(price as of 2026-08-21)
May 20, 2004	IOSP	M	686	$15.25	$10,462	3,613 Direct	+23.44%	Acquired	1125.6% (price as of 2026-08-21)
May 13, 2004	IOSP	E	1,000	—	—	6,685 Direct	-13.01%	Disposed	(price as of 2026-08-21)
May 13, 2004	IOSP	E	1,095	—	—	7,685 Direct	-12.47%	Disposed	(price as of 2026-08-21)
May 13, 2004	IOSP	E	488	—	—	8,780 Direct	-5.27%	Disposed	(price as of 2026-08-21)
May 13, 2004	IOSP	M	2,439	—	—	9,268 Direct	-20.83%	Disposed	(price as of 2026-08-21)
May 13, 2004	IOSP	M	488	—	—	11,707 Direct	-4.00%	Disposed	(price as of 2026-08-21)
May 13, 2004	IOSP	M	2,439	$13.11	$31,975	2,927 Direct	+499.80%	Acquired	1325.6% (price as of 2026-08-21)
May 13, 2004	IOSP	M	488	—	—	488 Direct	—	Acquired	(price as of 2026-08-21)
March 5, 2004	IOSP	M	1,664	—	—	12,195 Direct	-12.01%	Disposed	(price as of 2026-08-21)
March 5, 2004	IOSP	M	8,322	$7.81	$64,995	13,859 Direct	-37.52%	Disposed	2293.1% (price as of 2026-08-21)
March 5, 2004	IOSP	M	6,039	$13.28	$80,198	22,181 Direct	-21.40%	Disposed	1307.4% (price as of 2026-08-21)
March 5, 2004	IOSP	M	3,624	$13.28	$48,127	28,220 Direct	-11.38%	Disposed	1307.4% (price as of 2026-08-21)
March 5, 2004	IOSP	S	19,649	$28.90	$567,856	0 Direct	-100.00%	Disposed	546.7% (price as of 2026-08-21)
March 5, 2004	IOSP	M	1,664	—	—	19,649 Direct	+9.25%	Acquired	(price as of 2026-08-21)
March 5, 2004	IOSP	M	8,332	$7.81	$65,073	17,985 Direct	+86.32%	Acquired	2293.1% (price as of 2026-08-21)
March 5, 2004	IOSP	M	6,039	$13.28	$80,198	9,663 Direct	+166.64%	Acquired	1307.4% (price as of 2026-08-21)
March 5, 2004	IOSP	M	3,624	$13.28	$48,127	3,624 Direct	—	Acquired	1307.4% (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 20, 2004	IOSP	OPTIONS	COMMON STOCK (225)	$15.25	Aug. 1, 2005	225	Disposed
May 20, 2004	IOSP	OPTIONS	COMMON STOCK (686)	$15.25	Aug. 1, 2005	686	Disposed
May 13, 2004	IOSP	OPTIONS	COMMON STOCK (1,000)	$0.00	March 16, 2013	1,000	Disposed
May 13, 2004	IOSP	OPTIONS	COMMON STOCK (1,095)	$0.00	Feb. 20, 2012	1,095	Disposed
May 13, 2004	IOSP	OPTIONS	COMMON STOCK (488)	$0.00	March 2, 2011	488	Disposed
May 13, 2004	IOSP	OPTIONS	COMMON STOCK (2,439)	$13.11	March 2, 2011	2,439	Disposed
May 13, 2004	IOSP	OPTIONS	COMMON STOCK (488)	$0.00	March 2, 2011	488	Disposed
March 5, 2004	IOSP	OPTIONS	COMMON STOCK (1,664)	$0.00	May 10, 2010	1,664	Disposed
March 5, 2004	IOSP	OPTIONS	COMMON STOCK (8,322)	$7.81	May 10, 2010	8,322	Disposed
March 5, 2004	IOSP	OPTIONS	COMMON STOCK (6,039)	$13.28	Aug. 8, 2009	6,039	Disposed
March 5, 2004	IOSP	OPTIONS	COMMON STOCK (3,624)	$13.28	Aug. 8, 2009	3,624	Disposed

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