National Technical Systems Inc (NTSC)

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Insider Trading: Purchases

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Yates Director	$6.11	1,000	$6,109.00	35,733	2012-01-06	Filing
Cohen Large Shareholder, Officer, Director	$4.85	1,000	$4,849.00	1,024,316	2011-12-16	Filing
Cohen Large Shareholder, Officer, Director	$4.81	3,000	$14,418.00	1,023,316	2011-12-16	Filing
Lin Director	$5.05	2,500	$12,625.00	196,359	2011-10-14	Filing
Lorentzian Officer	$4.85	935	$4,534.75	31,935	2011-10-11	Filing
Tringali Director	$4.75	800	$3,800.00	158,322	2011-10-05	Filing
Lin Director	$4.75	2,500	$11,875.00	193,859	2011-10-04	Filing
Lin Director	$4.75	100	$475.00	191,359	2011-10-04	Filing
Tringali Director	$5.00	200	$1,000.00	157,522	2011-10-04	Filing
Cohen Large Shareholder, Officer, Director	$4.98	1,000	$4,983.00	1,020,316	2011-09-30	Filing
Lin Director	$4.75	2,400	$11,400.00	191,259	2011-10-03	Filing
Yates Director	$5.24	1,000	$5,240.00	34,733	2011-09-29	Filing
Tringali Director	$5.34	1,000	$5,340.00	157,322	2011-09-29	Filing
Tringali Director	$5.00	2,000	$10,000.00	156,322	2011-09-29	Filing
Tringali Director	$5.25	2,000	$10,500.00	154,322	2011-09-29	Filing
Tringali Director	$5.30	1,000	$5,300.00	152,322	2011-09-29	Filing
Lin Director	$5.00	2,500	$12,500.00	188,859	2011-09-29	Filing
Lin Director	$5.25	2,500	$13,125.00	186,359	2011-09-29	Filing
Lin Director	$5.50	5,000	$27,500.00	183,859	2011-09-29	Filing
Lin Director	$5.25	2,500	$13,125.00	178,859	2011-09-29	Filing