Ivan M Marks

Insider

First SEC filing: Oct. 5, 2004 · Latest: Oct. 5, 2004

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 10 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

10 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Oct. 1, 2009	ISSC	A	8,230	—	—	38,003 Direct	+27.64%	Acquired	(price as of 2026-08-19)
Oct. 1, 2008	ISSC	A	7,246	—	—	29,773 Direct	+32.17%	Acquired	(price as of 2026-08-19)
Sept. 12, 2008	ISSC	P	3,948	$5.91	$23,333	22,000 Direct	+21.87%	Acquired	319.3% (price as of 2026-08-19)
Feb. 12, 2008	ISSC	P	990	$8.01	$7,930	17,000 Direct	+6.18%	Acquired	209.4% (price as of 2026-08-19)
Dec. 13, 2007	ISSC	A	1,089	$9.75	$10,618	15,484 Direct	+7.57%	Acquired	154.2% (price as of 2026-08-19)
Dec. 13, 2007	ISSC	A	1,089	$9.75	$10,618	15,484 Direct	-6.57%	Disposed	154.2% (price as of 2026-08-19)
Oct. 2, 2007	ISSC	A	2,105	—	—	16,500 Direct	+14.62%	Acquired	(price as of 2026-08-19)
Oct. 4, 2006	ISSC	A	2,772	—	—	14,395 Direct	+23.85%	Acquired	(price as of 2026-08-19)
Dec. 16, 2005	ISSC	A	339	$12.47	$4,227	9,000 Direct	+3.91%	Acquired	98.7% (price as of 2026-08-19)
Oct. 14, 2005	ISSC	A	2,623	—	—	11,284 Direct	+30.29%	Acquired	(price as of 2026-08-19)
Oct. 1, 2004	ISSC	A	999	—	—	5,624 Direct	+21.60%	Acquired	(price as of 2026-08-19)
Feb. 26, 2004	ISSC	A	3,125	—	—	4,625 Direct	+208.33%	Acquired	(price as of 2026-08-19)

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.