National Technical Systems Inc (NTSC)

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Insider Trading: Purchases

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Lin Director	$5.25	2,500	$13,125.00	170,435	2011-09-23	Filing
Lin Director	$5.50	1,400	$7,700.00	167,935	2011-09-23	Filing
Lin Director	$5.50	1,000	$5,500.00	166,535	2011-09-22	Filing
Tringali Director	$5.55	1,000	$5,550.00	139,474	2011-09-23	Filing
Tringali Director	$5.60	100	$560.00	138,474	2011-09-22	Filing
Tringali Director	$5.55	200	$1,110.00	138,374	2011-09-22	Filing
Cohen Large Shareholder, Officer, Director	$5.50	1,000	$5,500.00	1,019,316	2011-09-23	Filing
Lin Director	$5.75	2,500	$14,375.00	165,535	2011-09-20	Filing
Lin Director	$5.75	2,500	$14,375.00	163,035	2011-09-19	Filing
Lin Director	$5.50	100	$550.00	160,535	2011-09-16	Filing
Cohen Large Shareholder, Officer, Director	$5.80	1,000	$5,800.00	1,018,316	2011-09-19	Filing
Cohen Large Shareholder, Officer, Director	$5.89	1,000	$5,890.00	1,017,316	2011-09-16	Filing
Gibbons Director	$7.50	2,000	$15,000.00	43,570	2011-03-03	Filing
Gibbons Director	$7.50	1,966	$14,745.00	41,570	2011-02-02	Filing
Gibbons Director	$7.50	3,240	$24,300.00	39,604	2010-12-27	Filing
Cohen Large Shareholder, Officer, Director	$3.87	2,000	$7,740.00	1,016,316	2009-01-15	Filing
Tringali Director	$3.50	1,798	$6,293.00	40,742	2009-01-13	Filing
Wolfe Director	$3.60	1,600	$5,760.00	12,613	2009-01-14	Filing
Cohen Large Shareholder, Officer, Director	$3.75	1,500	$5,625.00	1,014,316	2009-01-13	Filing
Cohen Large Shareholder, Officer, Director	$3.55	1,200	$4,260.00	1,012,816	2009-01-12	Filing