L Winifred Swan

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
NXTM	$14.07	2,500	$35,175.00	12,439	2016-02-16	Filing
NXTM	$19.04	620	$11,804.80	14,319	2016-01-14	Filing
NXTM	$18.90	2,500	$47,250.00	14,319	2015-12-14	Filing
NXTM	$19.65	2,500	$49,125.00	16,199	2015-11-16	Filing
NXTM	$15.46	2,500	$38,650.00	18,079	2015-10-14	Filing
NXTM	$16.01	2,500	$40,025.00	19,959	2015-09-14	Filing
NXTM	$18.14	2,500	$45,350.00	21,839	2015-08-14	Filing
NXTM	$14.71	2,500	$36,775.00	23,719	2015-07-14	Filing
NXTM	$15.48	2,500	$38,700.00	25,599	2015-06-15	Filing
NXTM	$16.65	2,500	$41,625.00	27,479	2015-05-18	Filing
NXTM	$16.33	500	$8,165.00	29,359	2015-05-14	Filing
NXTM	$18.41	500	$9,205.00	29,859	2015-04-15	Filing
NXTM	$17.31	500	$8,655.00	30,359	2015-03-19	Filing
NXTM	$17.60	500	$8,800.00	17,688	2015-02-18	Filing
NXTM	$18.44	500	$9,220.00	18,188	2015-01-14	Filing
NXTM	$18.35	666	$12,221.10	18,688	2015-01-13	Filing
NXTM	$18.17	667	$12,119.39	18,688	2014-12-29	Filing
NXTM	$18.61	667	$12,412.87	18,688	2014-12-22	Filing
NXTM	$18.25	500	$9,125.00	18,688	2014-12-18	Filing
NXTM	$17.04	16,667	$284,005.68	19,188	2014-12-01	Filing