S David Utterberg

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
NXTM	$11.56	24,338	$281,403.26	4,340,044	2012-11-27	Filing
NXTM	$11.73	19,802	$232,251.72	4,364,382	2012-11-26	Filing
NXTM	$11.71	10,023	$117,356.30	4,384,184	2012-11-23	Filing
NXTM	$11.61	17,622	$204,547.37	4,394,207	2012-11-21	Filing
NXTM	$11.26	14,501	$163,292.86	4,411,829	2012-11-20	Filing
NXTM	$11.17	13,083	$146,137.11	4,426,330	2012-11-19	Filing
NXTM	$11.00	1,400	$15,401.96	4,439,413	2012-11-16	Filing
NXTM	$11.04	9,861	$108,901.93	4,440,813	2012-11-15	Filing
NXTM	$11.40	25,668	$292,540.76	4,450,674	2012-11-14	Filing
NXTM	$11.74	39,957	$469,183.09	4,476,342	2012-11-13	Filing
NXTM	$11.48	30,481	$349,787.76	4,516,299	2012-11-12	Filing
NXTM	$11.13	30,528	$339,904.86	4,546,780	2012-11-09	Filing
NXTM	$12.02	1,500	$18,033.00	4,577,308	2012-11-08	Filing
NXTM	$11.70	81,738	$956,726.94	4,578,808	2012-11-08	Filing
NXTM	$11.03	2,276	$25,094.95	4,660,546	2012-11-06	Filing
NXTM	$11.09	4,960	$54,999.46	4,662,822	2012-11-05	Filing
NXTM	$11.15	14,124	$157,472.71	4,667,782	2012-11-02	Filing
NXTM	$11.13	14,313	$159,309.42	4,681,906	2012-11-01	Filing
NXTM	$11.09	6,293	$69,767.34	4,696,219	2012-10-31	Filing
NXTM	$11.22	10,827	$121,490.85	4,702,512	2012-10-26	Filing