Philip John Boon

Insider

First SEC filing: June 2, 2009 · Latest: June 2, 2009

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.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

IOSP selling Feb. 21, 2025

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 78 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

78 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 21, 2025	IOSP	S	3,754	$103.30	$387,788	20,079 Direct	-15.75%	Disposed	-10.6% (price as of 2026-08-20)
Feb. 21, 2025	IOSP	A	3,754	—	—	23,833 Direct	+18.70%	Acquired	(price as of 2026-08-20)
Feb. 26, 2024	IOSP	A	1,563	—	—	20,079 Direct	+8.44%	Acquired	(price as of 2026-08-20)
Feb. 22, 2024	IOSP	S	3,715	$122.07	$453,490	18,516 Direct	-16.71%	Disposed	-24.3% (price as of 2026-08-20)
Feb. 22, 2024	IOSP	A	3,715	—	—	22,231 Direct	+20.06%	Acquired	(price as of 2026-08-20)
March 7, 2023	IOSP	M	5,717	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 7, 2023	IOSP	M	774	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 7, 2023	IOSP	S	5,717	$105.62	$603,830	18,748 Direct	-23.37%	Disposed	-12.6% (price as of 2026-08-20)
March 7, 2023	IOSP	M	5,717	—	—	24,465 Direct	+30.49%	Acquired	(price as of 2026-08-20)
March 7, 2023	IOSP	S	774	$105.62	$81,750	18,748 Direct	-3.96%	Disposed	-12.6% (price as of 2026-08-20)
March 7, 2023	IOSP	M	774	—	—	19,522 Direct	+4.13%	Acquired	(price as of 2026-08-20)
Feb. 27, 2023	IOSP	A	694	—	—	694 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 27, 2023	IOSP	A	232	—	—	18,748 Direct	+1.25%	Acquired	(price as of 2026-08-20)
Feb. 24, 2023	IOSP	M	774	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 24, 2023	IOSP	M	258	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 24, 2023	IOSP	D	258	$109.42	$28,230	18,516 Direct	-1.37%	Disposed	-15.6% (price as of 2026-08-20)
Feb. 24, 2023	IOSP	M	258	$95.70	$24,691	18,774 Direct	+1.39%	Acquired	-3.5% (price as of 2026-08-20)
Feb. 24, 2023	IOSP	M	2,263	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 24, 2023	IOSP	F	1,064	$110.09	$117,136	18,516 Direct	-5.43%	Disposed	-16.1% (price as of 2026-08-20)
Feb. 24, 2023	IOSP	M	2,263	—	—	19,580 Direct	+13.07%	Acquired	(price as of 2026-08-20)
Feb. 20, 2023	IOSP	A	5,717	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 25, 2022	IOSP	M	1,319	—	—	18,491 Direct	+7.68%	Acquired	(price as of 2026-08-20)
Feb. 25, 2022	IOSP	S	580	$96.72	$56,098	17,911 Direct	-3.14%	Disposed	-4.5% (price as of 2026-08-20)
Feb. 25, 2022	IOSP	S	40	$97.42	$3,897	17,871 Direct	-0.22%	Disposed	-5.2% (price as of 2026-08-20)
Feb. 25, 2022	IOSP	M	523	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 25, 2022	IOSP	M	365	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 25, 2022	IOSP	M	1,319	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 25, 2022	IOSP	S	523	$96.76	$50,605	17,871 Direct	-2.84%	Disposed	-4.6% (price as of 2026-08-20)
Feb. 25, 2022	IOSP	M	523	$81.07	$42,400	18,394 Direct	+2.93%	Acquired	13.9% (price as of 2026-08-20)
Feb. 25, 2022	IOSP	S	34	$97.49	$3,315	17,871 Direct	-0.19%	Disposed	-5.3% (price as of 2026-08-20)
Feb. 25, 2022	IOSP	S	331	$96.71	$32,011	17,905 Direct	-1.82%	Disposed	-4.5% (price as of 2026-08-20)
Feb. 25, 2022	IOSP	M	365	$81.07	$29,591	18,236 Direct	+2.04%	Acquired	13.9% (price as of 2026-08-20)
Feb. 21, 2022	IOSP	A	834	—	—	834 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 21, 2022	IOSP	A	278	—	—	17,172 Direct	+1.65%	Acquired	(price as of 2026-08-20)
March 12, 2021	IOSP	M	140	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 12, 2021	IOSP	M	1,130	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 12, 2021	IOSP	M	993	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 12, 2021	IOSP	M	8,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 12, 2021	IOSP	F	92	$103.81	$9,551	16,894 Direct	-0.54%	Disposed	-11.0% (price as of 2026-08-20)
March 12, 2021	IOSP	M	140	$68.20	$9,548	16,986 Direct	+0.83%	Acquired	35.4% (price as of 2026-08-20)
March 12, 2021	IOSP	F	924	$103.81	$95,920	16,846 Direct	-5.20%	Disposed	-11.0% (price as of 2026-08-20)
March 12, 2021	IOSP	M	1,130	$68.20	$77,066	17,770 Direct	+6.79%	Acquired	35.4% (price as of 2026-08-20)
March 12, 2021	IOSP	F	825	$103.81	$85,643	16,640 Direct	-4.72%	Disposed	-11.0% (price as of 2026-08-20)
March 12, 2021	IOSP	M	993	$70.60	$70,106	17,465 Direct	+6.03%	Acquired	30.8% (price as of 2026-08-20)
March 12, 2021	IOSP	F	3,760	$103.81	$390,326	16,472 Direct	-18.58%	Disposed	-11.0% (price as of 2026-08-20)
March 12, 2021	IOSP	M	8,000	—	—	20,232 Direct	+65.40%	Acquired	(price as of 2026-08-20)
Feb. 22, 2021	IOSP	A	276	—	—	276 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 22, 2021	IOSP	A	825	—	—	825 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 22, 2021	IOSP	A	825	—	—	825 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 22, 2021	IOSP	A	276	—	—	12,232 Direct	+2.31%	Acquired	(price as of 2026-08-20)
March 9, 2020	IOSP	M	4,467	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 9, 2020	IOSP	F	2,099	$85.40	$179,255	11,956 Direct	-14.93%	Disposed	8.1% (price as of 2026-08-20)
March 9, 2020	IOSP	M	4,467	—	—	14,055 Direct	+46.59%	Acquired	(price as of 2026-08-20)
Feb. 24, 2020	IOSP	A	3,482	—	—	3,482 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 24, 2020	IOSP	A	774	—	—	774 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 15, 2019	IOSP	S	1,905	$96.96	$184,709	9,588 Direct	-16.58%	Disposed	-4.8% (price as of 2026-08-20)
Nov. 15, 2019	IOSP	S	4,276	$95.99	$410,453	11,493 Direct	-27.12%	Disposed	-3.8% (price as of 2026-08-20)
Nov. 14, 2019	IOSP	M	6,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 14, 2019	IOSP	S	195	$97.57	$19,026	15,769 Direct	-1.22%	Disposed	-5.4% (price as of 2026-08-20)
Nov. 14, 2019	IOSP	S	7,066	$96.52	$682,010	15,964 Direct	-30.68%	Disposed	-4.3% (price as of 2026-08-20)
Nov. 14, 2019	IOSP	S	13,378	$95.96	$1,283,753	23,030 Direct	-36.74%	Disposed	-3.8% (price as of 2026-08-20)
Nov. 14, 2019	IOSP	S	3,180	$96.32	$306,298	36,408 Direct	-8.03%	Disposed	-4.1% (price as of 2026-08-20)
Nov. 14, 2019	IOSP	F	2,820	$99.85	$281,577	39,588 Direct	-6.65%	Disposed	-7.5% (price as of 2026-08-20)
Nov. 14, 2019	IOSP	M	6,000	—	—	42,408 Direct	+16.48%	Acquired	(price as of 2026-08-20)
March 4, 2019	IOSP	M	1,528	$44.18	$67,507	32,037 Direct	-4.55%	Disposed	109.0% (price as of 2026-08-20)
March 4, 2019	IOSP	M	4,203	—	—	33,565 Direct	-11.13%	Disposed	(price as of 2026-08-20)
March 4, 2019	IOSP	S	1,528	$83.39	$127,420	36,408 Direct	-4.03%	Disposed	10.7% (price as of 2026-08-20)
March 4, 2019	IOSP	M	1,528	$44.18	$67,507	37,936 Direct	+4.20%	Acquired	109.0% (price as of 2026-08-20)
March 4, 2019	IOSP	F	1,975	$82.67	$163,273	36,408 Direct	-5.15%	Disposed	11.7% (price as of 2026-08-20)
March 4, 2019	IOSP	M	4,203	—	—	38,383 Direct	+12.30%	Acquired	(price as of 2026-08-20)
Feb. 25, 2019	IOSP	A	523	$81.07	$42,400	37,768 Direct	+1.40%	Acquired	13.9% (price as of 2026-08-20)
Feb. 25, 2019	IOSP	A	365	$81.07	$29,591	37,245 Direct	+0.99%	Acquired	13.9% (price as of 2026-08-20)
Feb. 25, 2019	IOSP	A	3,997	—	—	36,880 Direct	+12.16%	Acquired	(price as of 2026-08-20)
Nov. 12, 2018	IOSP	M	6,000	—	—	32,883 Direct	-15.43%	Disposed	(price as of 2026-08-20)
March 15, 2018	IOSP	S	3,558	$69.69	$247,957	31,000 Direct	-10.30%	Disposed	32.5% (price as of 2026-08-20)
Feb. 26, 2018	IOSP	M	506	$43.95	$22,239	38,883 Direct	-1.28%	Disposed	110.1% (price as of 2026-08-20)
Feb. 26, 2018	IOSP	M	776	$43.95	$34,105	39,389 Direct	-1.93%	Disposed	110.1% (price as of 2026-08-20)
Feb. 26, 2018	IOSP	M	2,819	—	—	40,165 Direct	-6.56%	Disposed	(price as of 2026-08-20)
Feb. 26, 2018	IOSP	S	506	$69.00	$34,914	31,000 Direct	-1.61%	Disposed	33.8% (price as of 2026-08-20)
Feb. 26, 2018	IOSP	M	506	$43.95	$22,239	31,506 Direct	+1.63%	Acquired	110.1% (price as of 2026-08-20)
Feb. 26, 2018	IOSP	S	776	$69.00	$53,544	31,000 Direct	-2.44%	Disposed	33.8% (price as of 2026-08-20)
Feb. 26, 2018	IOSP	M	776	$43.95	$34,105	31,776 Direct	+2.50%	Acquired	110.1% (price as of 2026-08-20)
Feb. 26, 2018	IOSP	S	2,819	$69.00	$194,511	31,000 Direct	-8.34%	Disposed	33.8% (price as of 2026-08-20)
Feb. 26, 2018	IOSP	M	2,819	—	—	33,819 Direct	+9.09%	Acquired	(price as of 2026-08-20)
Feb. 21, 2018	IOSP	M	881	$33.93	$29,892	42,984 Direct	-2.01%	Disposed	172.2% (price as of 2026-08-20)
Feb. 21, 2018	IOSP	A	881	$33.93	$29,892	43,865 Direct	+2.05%	Acquired	172.2% (price as of 2026-08-20)
Feb. 21, 2018	IOSP	G	380	—	—	34,558 Direct	-1.09%	Disposed	(price as of 2026-08-20)
Feb. 21, 2018	IOSP	S	501	$67.04	$33,587	34,938 Direct	-1.41%	Disposed	37.8% (price as of 2026-08-20)
Feb. 21, 2018	IOSP	M	881	$33.93	$29,892	35,439 Direct	+2.55%	Acquired	172.2% (price as of 2026-08-20)
Feb. 21, 2018	IOSP	S	501	$67.04	$33,587	34,938 Direct	-1.41%	Disposed	37.8% (price as of 2026-08-20)
Feb. 21, 2018	IOSP	G	380	—	—	34,558 Direct	-1.09%	Disposed	(price as of 2026-08-20)
Feb. 21, 2018	IOSP	A	881	$33.93	$29,892	36,878 Direct	+2.45%	Acquired	172.2% (price as of 2026-08-20)
Feb. 21, 2018	IOSP	M	881	$33.93	$29,892	35,997 Direct	-2.39%	Disposed	172.2% (price as of 2026-08-20)
Feb. 21, 2018	IOSP	M	881	$33.93	$29,892	35,439 Direct	+2.55%	Acquired	172.2% (price as of 2026-08-20)
Feb. 20, 2018	IOSP	A	5,717	—	—	42,984 Direct	+15.34%	Acquired	(price as of 2026-08-20)
Feb. 20, 2018	IOSP	A	1,130	$68.20	$77,066	37,267 Direct	+3.13%	Acquired	35.4% (price as of 2026-08-20)
Feb. 20, 2018	IOSP	A	140	$68.20	$9,548	36,137 Direct	+0.39%	Acquired	35.4% (price as of 2026-08-20)
March 20, 2017	IOSP	F	2,820	$75.02	$211,556	34,180 Direct	-7.62%	Disposed	23.1% (price as of 2026-08-20)
March 20, 2017	IOSP	M	6,000	—	—	37,000 Direct	+19.35%	Acquired	(price as of 2026-08-20)
March 20, 2017	IOSP	M	1,247	$46.03	$57,399	35,997 Direct	-3.35%	Disposed	100.6% (price as of 2026-08-20)

Showing latest 100 of 226 transactions

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
March 7, 2023	IOSP	Employee Stock Option	Common Stock (5,717)	$0.00	Feb. 20, 2028	5,717	Disposed
March 7, 2023	IOSP	Employee Stock Option	Common Stock (774)	$95.70	Feb. 24, 2030	774	Disposed
Feb. 27, 2023	IOSP	Employee stock option (right to buy)	Common Stock (694)	$109.42	Feb. 27, 2033	694	Acquired
Feb. 24, 2023	IOSP	Employee Stock Option	Common Stock (774)	$95.70	Feb. 24, 2030	774	Acquired
Feb. 24, 2023	IOSP	Stock Appreciation Right	Common Stock (258)	$95.70	Feb. 24, 2030	258	Disposed
Feb. 24, 2023	IOSP	Employee Stock Option	Common Stock (2,263)	$0.00	Feb. 24, 2023	2,263	Disposed
Feb. 20, 2023	IOSP	Stock Option	Common Stock (5,717)	$0.00	March 15, 2024	5,717	Acquired
Feb. 25, 2022	IOSP	Common Stock	Common Stock (523)	$81.07	Feb. 25, 2029	523	Disposed
Feb. 25, 2022	IOSP	Common Stock	Common Stock (365)	$81.07	Feb. 25, 2029	365	Disposed
Feb. 25, 2022	IOSP	Common Stock	Common Stock (1,319)	$0.00	Feb. 25, 2029	1,319	Disposed
Feb. 21, 2022	IOSP	Employee Stock Option	Common Stock (834)	$99.68	Feb. 21, 2032	834	Acquired
March 12, 2021	IOSP	Stock Option	Common Stock (140)	$68.20	Feb. 20, 2028	140	Disposed
March 12, 2021	IOSP	Stock Option	Common Stock (1,130)	$68.20	Feb. 20, 2028	1,130	Disposed
March 12, 2021	IOSP	Stock Option	Common Stock (993)	$70.60	Feb. 21, 2027	993	Disposed
March 12, 2021	IOSP	Stock Option	Common Stock (8,000)	$0.00	Nov. 1, 2025	8,000	Disposed
Feb. 22, 2021	IOSP	stock option	Common Stock (276)	$0.00	Feb. 22, 2024	276	Acquired
Feb. 22, 2021	IOSP	stock option	Common Stock (825)	$99.85	Feb. 22, 2031	825	Acquired
Feb. 22, 2021	IOSP	Stock Option	Common Stock (825)	$99.85	Feb. 22, 2031	825	Acquired
March 9, 2020	IOSP	Stock Option	Common Stock (4,467)	$0.00	Feb. 21, 2027	4,467	Disposed
Feb. 24, 2020	IOSP	stock option	stock option (3,482)	$0.00	Feb. 24, 2023	3,482	Acquired
Feb. 24, 2020	IOSP	Stock Option	stock option (774)	$95.70	Feb. 24, 2030	774	Acquired
Nov. 14, 2019	IOSP	Stock Option	Common Stock (6,000)	$0.00	Nov. 1, 2025	6,000	Disposed
March 4, 2019	IOSP	Stock Options	Common Stock (1,528)	$44.18	Feb. 22, 2026	1,528	Disposed
March 4, 2019	IOSP	Stock Options	Common Stock (4,203)	$0.00	Feb. 22, 2026	4,203	Disposed
Feb. 25, 2019	IOSP	Stock Options (CSOP B)	Common Stock (523)	$81.07	Feb. 25, 2029	523	Acquired
Feb. 25, 2019	IOSP	Stock Options (CSOP A)	Common Stock (365)	$81.07	Feb. 25, 2029	365	Acquired
Feb. 25, 2019	IOSP	Stock Options (PRSOP)	Common Stock (3,997)	$0.00	Feb. 25, 2029	3,997	Acquired
Nov. 12, 2018	IOSP	Stock Options	Common Stock (6,000)	$0.00	Nov. 1, 2025	6,000	Disposed
Feb. 26, 2018	IOSP	Stock options	Common Stock (506)	$43.95	Feb. 23, 2025	506	Disposed
Feb. 26, 2018	IOSP	Stock options	Common Stock (776)	$43.95	Feb. 23, 2025	776	Disposed
Feb. 26, 2018	IOSP	Stock Options	Common Stock (2,819)	$0.00	Feb. 23, 2025	2,819	Disposed
Feb. 21, 2018	IOSP	Stock Option	Common Stock (881)	$33.93	May 15, 2018	881	Disposed
Feb. 21, 2018	IOSP	Stock Option	Common Stock (881)	$33.93	May 15, 2018	881	Acquired
Feb. 21, 2018	IOSP	Stock Option	Common Stock (881)	$33.93	May 15, 2018	881	Acquired
Feb. 21, 2018	IOSP	Stock Option	Common Stock (881)	$33.93	May 15, 2018	881	Disposed
Feb. 20, 2018	IOSP	Stock Option	Common Stock (5,717)	$0.00	Feb. 20, 2028	5,717	Acquired
Feb. 20, 2018	IOSP	Stock Option	Common Stock (1,130)	$68.20	Feb. 20, 2028	1,130	Acquired
Feb. 20, 2018	IOSP	Stock Option	Common Stock (140)	$68.20	Feb. 20, 2028	140	Acquired
March 20, 2017	IOSP	Stock Options	Common Stock (1,247)	$46.03	Feb. 14, 2024	1,247	Disposed
March 20, 2017	IOSP	Stock Options	Common Stock (287)	$46.03	Feb. 14, 2024	287	Disposed
March 20, 2017	IOSP	Stock Options	Common Stock (3,163)	$0.00	Feb. 14, 2024	3,163	Disposed
Feb. 21, 2017	IOSP	Stock Options	Common Stock (993)	$70.60	Feb. 21, 2027	993	Acquired
Feb. 21, 2017	IOSP	Stock Options	Common Stock (4,467)	$0.00	Feb. 21, 2027	4,467	Acquired
Nov. 11, 2016	IOSP	Stock Options	Common Stock (4,183)	$0.00	Feb. 20, 2023	4,183	Disposed
Nov. 11, 2016	IOSP	Stock Options	Common Stock (1,521)	$41.31	Feb. 20, 2023	1,521	Disposed
Feb. 22, 2016	IOSP	Stock Options	Common Stock (4,203)	$0.00	Feb. 22, 2026	4,203	Acquired
Feb. 22, 2016	IOSP	Stock Options	Common Stock (1,528)	$44.18	Feb. 22, 2026	1,528	Acquired
Nov. 1, 2015	IOSP	Stock Options	Common Stock (8,000)	$0.00	Nov. 1, 2025	8,000	Acquired
Nov. 1, 2015	IOSP	Stock Options	Common Stock (6,000)	$0.00	Nov. 1, 2025	6,000	Acquired
Nov. 1, 2015	IOSP	Stock Options	Common Stock (6,000)	$0.00	Nov. 1, 2025	6,000	Acquired
Feb. 24, 2015	IOSP	Stock Options	Common Stock (1,170)	$29.56	Feb. 23, 2022	1,170	Disposed
Feb. 24, 2015	IOSP	Stock Options	Common Stock (4,690)	$0.00	Feb. 23, 2022	4,690	Disposed
Feb. 24, 2015	IOSP	Stock Options	Common Stock (536)	$29.56	Feb. 23, 2022	536	Disposed
Feb. 24, 2015	IOSP	Stock Options	Common Stock (4,690)	$0.00	Feb. 23, 2022	4,690	Disposed
Feb. 24, 2015	IOSP	Stock Options	Common Stock (536)	$29.56	Feb. 23, 2022	536	Disposed
Feb. 24, 2015	IOSP	Stock Options	Common Stock (1,170)	$29.56	Feb. 23, 2022	1,170	Disposed
Feb. 23, 2015	IOSP	Stock Options	Common Stock (3,524)	$0.00	Feb. 23, 2025	3,524	Acquired
Feb. 23, 2015	IOSP	Stock Options	Common Stock (506)	$43.95	Feb. 23, 2025	506	Acquired
Feb. 23, 2015	IOSP	Stock Options	Common Stock (776)	$43.95	Feb. 23, 2025	776	Acquired
Feb. 23, 2015	IOSP	Stock Options	Common Stock (3,524)	$0.00	Feb. 23, 2025	3,524	Acquired
Feb. 23, 2015	IOSP	Stock Options	Common Stock (506)	$43.95	Feb. 23, 2025	506	Acquired
Feb. 23, 2015	IOSP	Stock Options	Common Stock (776)	$43.95	Feb. 23, 2025	776	Acquired
Feb. 25, 2014	IOSP	Stock Options (Co-Invest)	Common Stock (415)	$0.00	Feb. 25, 2021	415	Disposed
Feb. 14, 2014	IOSP	Stock Options (PRSOP)	Common Stock (4,217)	$0.00	Feb. 14, 2024	4,217	Acquired
Feb. 14, 2014	IOSP	Stock Options (CSOP B)	Common Stock (1,247)	$46.03	Feb. 14, 2024	1,247	Acquired
Feb. 14, 2014	IOSP	Stock Options (CSOP A)	Common Stock (287)	$46.03	Feb. 14, 2024	287	Acquired
Dec. 5, 2013	IOSP	Stock Option	Common Stock (1,248)	$11.73	May 31, 2014	1,248	Disposed
Dec. 5, 2013	IOSP	Stock Option [F1]	Common Stock (1,248)	$11.73	May 31, 2014	1,248	Acquired
Dec. 5, 2013	IOSP	Stock Option	Common Stock (1,248)	$14.03	May 31, 2014	1,248	Disposed
Dec. 5, 2013	IOSP	Stock Option [F1]	Common Stock (1,248)	$14.03	May 31, 2014	1,248	Acquired
Sept. 5, 2013	IOSP	Stock Options	Common Stock (12,000)	$0.00	June 2, 2019	12,000	Disposed
Sept. 5, 2013	IOSP	Stock Options	Common Stock (5,000)	$0.00	Sept. 1, 2019	5,000	Disposed
Aug. 29, 2013	IOSP	Stock Options	Common Stock (1,269)	$4.62	March 24, 2019	1,269	Disposed
Aug. 29, 2013	IOSP	Stock Options	Common Stock (654)	$27.08	Feb. 21, 2017	654	Disposed
May 9, 2013	IOSP	Stock Options	Common Stock (11,546)	$0.00	March 17, 2020	11,546	Disposed
May 9, 2013	IOSP	Stock Options	Common Stock (3,019)	$10.38	March 17, 2020	3,019	Disposed
Feb. 26, 2013	IOSP	Stock Options	Common Stock (1,981)	$0.00	Feb. 25, 2020	1,981	Disposed
Feb. 20, 2013	IOSP	Common Stock (PRSOP)	Common Stock (4,183)	$0.00	Feb. 20, 2023	4,183	Acquired
Feb. 20, 2013	IOSP	Common Stock (CSOP B)	Common Stock (1,521)	$41.31	Feb. 20, 2023	1,521	Acquired
Aug. 14, 2012	IOSP	Stock Option (PRSOP)	Common Stock (8,000)	$0.00	June 2, 2019	8,000	Disposed
May 11, 2012	IOSP	Stock Options	Common Stock (6,279)	$0.00	March 24, 2019	6,279	Disposed
Feb. 23, 2012	IOSP	Stock Option	Common Stock (4,690)	$0.00	Feb. 23, 2022	4,690	Acquired
Feb. 23, 2012	IOSP	Stock Option	Common Stock (536)	$29.56	Feb. 23, 2022	536	Acquired
Feb. 23, 2012	IOSP	Stock Option	Common Stock (1,170)	$29.56	Feb. 23, 2022	1,170	Acquired
March 7, 2011	IOSP	Stock Options	Common Stock (4,000)	$0.00	Feb. 20, 2018	4,000	Disposed
March 7, 2011	IOSP	Stock Options	Common Stock (817)	$20.23	Feb. 20, 2018	817	Disposed
March 7, 2011	IOSP	Stock Options	Common Stock (1,183)	$20.23	Feb. 20, 2018	1,183	Disposed
March 7, 2011	IOSP	Stock Options	Common Stock (1,700)	$9.97	Feb. 13, 2016	1,700	Disposed
March 7, 2011	IOSP	Stock Options	Common Stock (4,530)	$0.00	Feb. 13, 2016	4,530	Disposed
Feb. 25, 2011	IOSP	Options	Common stock (415)	$0.00	Feb. 25, 2021	415	Acquired
March 12, 2010	IOSP	Options	Common Stock (200)	$0.00	March 12, 2017	200	Disposed
Feb. 25, 2010	IOSP	Options	Common stock (1,981)	$0.00	Feb. 25, 2020	1,981	Acquired
Feb. 17, 2010	IOSP	Options	Common Stock (11,546)	$0.00	Feb. 17, 2020	11,546	Acquired
Feb. 17, 2010	IOSP	Options	Common Stock (3,019)	$10.38	Feb. 17, 2020	3,019	Acquired
Sept. 1, 2009	IOSP	Options	CommonStock (5,000)	$0.00	Sept. 1, 2019	5,000	Acquired
June 2, 2009	IOSP	Options	Common Stock (12,000)	$0.00	June 2, 2019	12,000	Acquired
June 2, 2009	IOSP	Options	Common Stock (8,000)	$0.00	June 2, 2019	8,000	Acquired
May 12, 2004	IOSP	OPTIONS	COMMON STOCK (1,300)	$0.00	May 12, 2014	1,300	Acquired
May 12, 2004	IOSP	OPTIONS	COMMON STOCK (500)	$23.00	May 12, 2014	500	Acquired
Feb. 25, 2004	IOSP	OPTIONS	COMMON STOCK (7,206)	$7.81	May 10, 2010	7,206	Disposed

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

Initial ownership (Form 3) 13 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
June 2, 2009	IOSP	Common Stock	9,403	Direct
June 2, 2009	IOSP	Options→ Common Stock (1,700)	1,700	Direct
June 2, 2009	IOSP	Options→ Common Stock (146)	146	Direct
June 2, 2009	IOSP	Options→ Common Stock (1,183)	1,183	Direct
June 2, 2009	IOSP	Options→ Common Stock (1,870)	1,870	Direct
June 2, 2009	IOSP	Options→ Common Stock (654)	654	Direct
June 2, 2009	IOSP	Options→ Common Stock (817)	817	Direct
June 2, 2009	IOSP	Options→ Common Stock (1,269)	1,269	Direct
June 2, 2009	IOSP	Options→ Common Stock (4,530)	4,530	Direct
June 2, 2009	IOSP	Options→ Common Stock (2,100)	2,100	Direct
June 2, 2009	IOSP	Options→ Common Stock (4,000)	4,000	Direct
June 2, 2009	IOSP	Options→ Common Stock (6,279)	6,279	Direct
June 2, 2009	IOSP	Options→ Common Stock (200)	200	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

IOSP

COO

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2021	$445,604	—	—	—	$415,897	—	$127,918	$1,773,952
2020	$429,134	$107,226	—	—	$810,000	—	$124,457	$1,849,009
2019	$416,306	—	—	—	$322,812	—	$116,519	$1,262,051

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.