Joachim Roeser

Insider

First SEC filing: Feb. 19, 2010 · Latest: Feb. 19, 2010

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 Nov. 29, 2017

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 36 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

36 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 24, 2020	IOSP	A	627	—	—	627 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 24, 2020	IOSP	A	313	—	—	313 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 25, 2019	IOSP	A	370	$81.07	$29,996	11,614 Direct	+3.29%	Acquired	13.9% (price as of 2026-08-20)
Feb. 25, 2019	IOSP	A	740	—	—	11,244 Direct	+7.04%	Acquired	(price as of 2026-08-20)
Feb. 20, 2018	IOSP	A	880	$68.20	$60,016	10,504 Direct	+9.14%	Acquired	35.4% (price as of 2026-08-20)
Feb. 20, 2018	IOSP	A	293	—	—	9,624 Direct	+3.14%	Acquired	(price as of 2026-08-20)
Dec. 29, 2017	IOSP	M	2,038	$22.08	$44,999	9,331 Direct	-17.93%	Disposed	318.3% (price as of 2026-08-20)
Nov. 29, 2017	IOSP	S	1,500	$73.67	$110,505	5,260 Direct	-22.19%	Disposed	25.4% (price as of 2026-08-20)
Nov. 29, 2017	IOSP	M	2,038	$22.08	$44,999	6,760 Direct	+43.16%	Acquired	318.3% (price as of 2026-08-20)
Feb. 21, 2017	IOSP	A	283	—	—	11,369 Direct	+2.55%	Acquired	(price as of 2026-08-20)
Feb. 21, 2017	IOSP	A	850	$70.60	$60,010	11,086 Direct	+8.30%	Acquired	30.8% (price as of 2026-08-20)
Nov. 14, 2016	IOSP	M	4,335	$10.38	$44,997	10,236 Direct	-29.75%	Disposed	789.7% (price as of 2026-08-20)
Nov. 14, 2016	IOSP	M	3,398	$4.62	$15,699	14,571 Direct	-18.91%	Disposed	1898.9% (price as of 2026-08-20)
Nov. 14, 2016	IOSP	S	4,335	$60.53	$262,398	4,722 Direct	-47.86%	Disposed	52.6% (price as of 2026-08-20)
Nov. 14, 2016	IOSP	M	4,335	$10.38	$44,997	9,057 Direct	+91.80%	Acquired	789.7% (price as of 2026-08-20)
Nov. 14, 2016	IOSP	S	3,998	$60.53	$241,999	4,722 Direct	-45.85%	Disposed	52.6% (price as of 2026-08-20)
Nov. 14, 2016	IOSP	M	3,398	$4.62	$15,699	8,120 Direct	+71.96%	Acquired	1898.9% (price as of 2026-08-20)
Feb. 22, 2016	IOSP	A	441	—	—	17,969 Direct	+2.52%	Acquired	(price as of 2026-08-20)
Feb. 22, 2016	IOSP	A	1,030	$44.18	$45,505	17,528 Direct	+6.24%	Acquired	109.0% (price as of 2026-08-20)
May 18, 2015	IOSP	M	1,000	—	—	16,610 Direct	-5.68%	Disposed	(price as of 2026-08-20)
May 18, 2015	IOSP	F	420	$44.10	$18,522	4,722 Direct	-8.17%	Disposed	109.4% (price as of 2026-08-20)
May 18, 2015	IOSP	M	1,000	—	—	5,142 Direct	+24.14%	Acquired	(price as of 2026-08-20)
Feb. 23, 2015	IOSP	A	444	—	—	17,610 Direct	+2.59%	Acquired	(price as of 2026-08-20)
Feb. 23, 2015	IOSP	A	1,035	$43.95	$45,488	17,166 Direct	+6.42%	Acquired	110.1% (price as of 2026-08-20)
Feb. 14, 2014	IOSP	A	1,089	$46.03	$50,127	16,131 Direct	+7.24%	Acquired	100.6% (price as of 2026-08-20)
July 5, 2013	IOSP	J	559	$40.18	$22,461	4,142 Direct	+15.60%	Acquired	129.8% (price as of 2026-08-20)
Feb. 20, 2013	IOSP	A	1,089	$41.31	$44,987	15,042 Direct	+7.80%	Acquired	123.6% (price as of 2026-08-20)
July 6, 2012	IOSP	J	759	$29.61	$22,474	3,583 Direct	+26.88%	Acquired	211.9% (price as of 2026-08-20)
July 6, 2012	IOSP	J	759	$26.01	$19,742	3,583 Direct	+26.88%	Acquired	255.1% (price as of 2026-08-20)
Feb. 23, 2012	IOSP	A	1,522	$29.56	$44,990	13,953 Direct	+12.24%	Acquired	212.4% (price as of 2026-08-20)
July 6, 2011	IOSP	J	297	$33.61	$9,982	2,824 Direct	+11.75%	Acquired	174.8% (price as of 2026-08-20)
Feb. 22, 2011	IOSP	A	1,660	$27.11	$45,003	12,431 Direct	+15.41%	Acquired	240.6% (price as of 2026-08-20)
July 2, 2010	IOSP	J	1,066	$9.38	$9,999	2,527 Direct	+72.96%	Acquired	884.5% (price as of 2026-08-20)
Feb. 17, 2010	IOSP	A	4,335	—	—	10,771 Direct	+67.36%	Acquired	(price as of 2026-08-20)
July 6, 2009	IOSP	J	930	$10.75	$9,998	1,461 Direct	+175.14%	Acquired	759.1% (price as of 2026-08-20)
March 24, 2009	IOSP	A	3,398	—	—	6,436 Direct	+111.85%	Acquired	(price as of 2026-08-20)
July 7, 2008	IOSP	J	531	$18.82	$9,993	531 Direct	—	Acquired	390.7% (price as of 2026-08-20)
May 7, 2008	IOSP	A	2,038	$22.08	$44,999	3,038 Direct	+203.80%	Acquired	318.3% (price as of 2026-08-20)
May 7, 2008	IOSP	A	1,000	—	—	1,000 Direct	—	Acquired	(price as of 2026-08-20)

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
Feb. 24, 2020	IOSP	stock option	stock option (627)	$0.00	Feb. 24, 2023	627	Acquired
Feb. 24, 2020	IOSP	Stock Option	stock option (313)	$95.70	Feb. 24, 2030	313	Acquired
Feb. 25, 2019	IOSP	Stock Options	Common Stock (370)	$81.07	Feb. 25, 2029	370	Acquired
Feb. 25, 2019	IOSP	Stock Options	Common Stock (740)	$0.00	Feb. 25, 2029	740	Acquired
Feb. 20, 2018	IOSP	Stock Option	Common Stock (880)	$68.20	Feb. 20, 2028	880	Acquired
Feb. 20, 2018	IOSP	Stock Option	Common Stock (293)	$0.00	Feb. 20, 2028	293	Acquired
Dec. 29, 2017	IOSP	Stock Options	Common Stock (2,038)	$22.08	May 7, 2018	2,038	Disposed
Feb. 21, 2017	IOSP	Stock Options	Common Stock (283)	$0.00	Feb. 21, 2027	283	Acquired
Feb. 21, 2017	IOSP	Stock Options	Common Stock (850)	$70.60	Feb. 21, 2027	850	Acquired
Nov. 14, 2016	IOSP	Stock Option	Common Stock (4,335)	$10.38	Feb. 17, 2020	4,335	Disposed
Nov. 14, 2016	IOSP	Stock Option	Common Stock (3,398)	$4.62	March 24, 2019	3,398	Disposed
Feb. 22, 2016	IOSP	Stock Options	Common Stock (441)	$0.00	Feb. 22, 2026	441	Acquired
Feb. 22, 2016	IOSP	Stock Options	Common Stock (1,030)	$44.18	Feb. 22, 2026	1,030	Acquired
May 18, 2015	IOSP	Stock Options	Common Stock (1,000)	$0.00	May 7, 2011	1,000	Disposed
Feb. 23, 2015	IOSP	Stock Options	Common Stock (444)	$0.00	Feb. 23, 2025	444	Acquired
Feb. 23, 2015	IOSP	Stock Options	Common Stock (1,035)	$43.95	Feb. 23, 2025	1,035	Acquired
Feb. 14, 2014	IOSP	Stock Options (NEDSOP)	Common Stock (1,089)	$46.03	Feb. 14, 2024	1,089	Acquired
Feb. 20, 2013	IOSP	Stock Option (NEDSOP)	Common Stock (1,089)	$41.31	Feb. 20, 2023	1,089	Acquired
Feb. 23, 2012	IOSP	Stock Options	Common Stock (1,522)	$29.56	Feb. 23, 2022	1,522	Acquired
Feb. 22, 2011	IOSP	Options	Common Stock (1,660)	$27.11	Feb. 22, 2021	1,660	Acquired
Feb. 17, 2010	IOSP	Options	Common Stock (4,335)	$0.00	Feb. 17, 2020	4,335	Acquired
March 24, 2009	IOSP	Options	Common Stock (3,398)	$4.62	March 24, 2019	3,398	Acquired
May 7, 2008	IOSP	Options	Common Stock (2,038)	$22.08	May 7, 2018	2,038	Acquired
May 7, 2008	IOSP	Options	Common Stock (1,000)	$0.00	May 7, 2018	1,000	Acquired

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