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Overview of all insider trading transactions in NORTHERN TECHNOLOGIES INTERNATIONAL CORP. Get notifications about new insider transactions in NORTHERN TECHNOLOGIES INTERNATIONAL CORP for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Jan 25 2021	NTIC	NORTHERN TECHNOLOG ...	Calderon Nancy E.	Director	Buy	P	14.78	1,000	14,776	2,000	1,000 to 2 K (+100.00 %)
Sep 03 2020	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President and CEO	Option Exercise	A	8.24	74,742	615,874	74,742
Sep 03 2020	NTIC	NORTHERN TECHNOLOG ...	WOLSFELD MATTHEW C	CFO and Corporate S ...	Option Exercise	A	8.24	55,244	455,211	55,244
Sep 02 2020	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Option Exercise	A	8.24	19,231	158,463	19,231
Sep 02 2020	NTIC	NORTHERN TECHNOLOG ...	Kemp Sarah E.	Director	Option Exercise	A	8.24	16,026	132,054	16,026
Sep 02 2020	NTIC	NORTHERN TECHNOLOG ...	Calderon Nancy E.	Director	Option Exercise	A	8.24	16,026	132,054	16,026
Sep 02 2020	NTIC	NORTHERN TECHNOLOG ...	Narayan Ramani	Director	Option Exercise	A	8.24	16,026	132,054	16,026
Sep 02 2020	NTIC	NORTHERN TECHNOLOG ...	von Falkenhausen Konstantin	Director	Option Exercise	A	8.24	16,026	132,054	16,026
Sep 02 2020	NTIC	NORTHERN TECHNOLOG ...	Keong Koh Soo	Director	Option Exercise	A	8.24	16,026	132,054	16,026
Jul 24 2020	NTIC	NORTHERN TECHNOLOG ...	Calderon Nancy E.	Director	Buy	P	8.60	1,000	8,600	1,000	0 to 1,000
Oct 24 2019	NTIC	NORTHERN TECHNOLOG ...	Calderon Nancy E.	Director	Option Exercise	A	12.09	8,366	101,145	8,366
Oct 24 2019	NTIC	NORTHERN TECHNOLOG ...	Kemp Sarah E.	Director	Option Exercise	A	12.09	8,366	101,145	8,366
Sep 04 2019	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President and CEO	Option Exercise	A	10.80	58,651	633,431	58,651
Sep 04 2019	NTIC	NORTHERN TECHNOLOG ...	WOLSFELD MATTHEW C	CFO and Corporate S ...	Option Exercise	A	10.80	43,351	468,191	43,351
Sep 04 2019	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Option Exercise	A	10.80	14,085	152,118	14,085
Sep 04 2019	NTIC	NORTHERN TECHNOLOG ...	Narayan Ramani	Director	Option Exercise	A	10.80	11,737	126,760	11,737
Sep 04 2019	NTIC	NORTHERN TECHNOLOG ...	von Falkenhausen Konstantin	Director	Option Exercise	A	10.80	11,737	126,760	11,737
Sep 04 2019	NTIC	NORTHERN TECHNOLOG ...	Keong Koh Soo	Director	Option Exercise	A	10.80	11,737	126,760	11,737
Sep 05 2018	NTIC	NORTHERN TECHNOLOG ...	WOLSFELD MATTHEW C	CFO and Corporate S ...	Option Exercise	A	36.45	10,198	371,717	10,198
Sep 05 2018	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President and CEO	Option Exercise	A	36.45	13,798	502,937	13,798
Sep 05 2018	NTIC	NORTHERN TECHNOLOG ...	Colwell Barbara D.	Director	Option Exercise	A	36.45	2,773	101,076	2,773
Sep 05 2018	NTIC	NORTHERN TECHNOLOG ...	von Falkenhausen Konstantin	Director	Option Exercise	A	36.45	2,773	101,076	2,773
Sep 05 2018	NTIC	NORTHERN TECHNOLOG ...	Narayan Ramani	Director	Option Exercise	A	36.45	2,773	101,076	2,773
Sep 05 2018	NTIC	NORTHERN TECHNOLOG ...	Keong Koh Soo	Director	Option Exercise	A	36.45	2,773	101,076	2,773
Sep 05 2018	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Option Exercise	A	36.45	3,328	121,306	3,328
Sep 08 2017	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Option Exercise	M	10.25	1,500	15,375	0
Sep 08 2017	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Buy	M	10.25	1,500	15,375	15,300	13.8 K to 15.3 K (+10.87 %)
Sep 05 2017	NTIC	NORTHERN TECHNOLOG ...	WOLSFELD MATTHEW C	CFO and Corporate S ...	Option Exercise	A	18.35	4,325	79,364	4,325
Sep 05 2017	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President and CEO	Option Exercise	A	18.35	5,852	107,384	5,852
Sep 05 2017	NTIC	NORTHERN TECHNOLOG ...	Narayan Ramani	Director	Option Exercise	A	18.35	4,000	73,400	4,000
Sep 05 2017	NTIC	NORTHERN TECHNOLOG ...	Narayan Ramani	Director	Option Exercise	M	10.25	4,000	41,000	0
Sep 05 2017	NTIC	NORTHERN TECHNOLOG ...	Narayan Ramani	Director	Buy	M	10.25	4,000	41,000	19,500	15.5 K to 19.5 K (+25.81 %)
Sep 05 2017	NTIC	NORTHERN TECHNOLOG ...	Keong Koh Soo	Director	Option Exercise	A	18.35	4,000	73,400	4,000
Sep 05 2017	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Option Exercise	A	18.35	4,000	73,400	4,000
Sep 05 2017	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Option Exercise	A	18.35	2,000	36,700	2,000
Sep 05 2017	NTIC	NORTHERN TECHNOLOG ...	Colwell Barbara D.	Director	Option Exercise	A	18.35	4,000	73,400	4,000
Sep 05 2017	NTIC	NORTHERN TECHNOLOG ...	von Falkenhausen Konstantin	Director	Option Exercise	A	18.35	4,000	73,400	4,000
Aug 24 2017	NTIC	NORTHERN TECHNOLOG ...	Keong Koh Soo	Director	Option Exercise	M	10.25	4,000	41,000	0
Aug 24 2017	NTIC	NORTHERN TECHNOLOG ...	Keong Koh Soo	Director	Buy	M	10.25	4,000	41,000	16,666	12.7 K to 16.7 K (+31.58 %)
May 01 2017	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Option Exercise	M	10.25	4,000	41,000	0
May 01 2017	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Buy	M	10.25	4,000	41,000	13,800	9.8 K to 13.8 K (+40.82 %)
Sep 06 2016	NTIC	NORTHERN TECHNOLOG ...	WOLSFELD MATTHEW C	CFO and Corporate S ...	Option Exercise	A	13.40	5,940	79,596	5,940
Sep 06 2016	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President and CEO	Option Exercise	A	13.40	8,036	107,682	8,036
Sep 06 2016	NTIC	NORTHERN TECHNOLOG ...	Colwell Barbara D.	Director	Option Exercise	A	13.40	4,000	53,600	4,000
Sep 06 2016	NTIC	NORTHERN TECHNOLOG ...	von Falkenhausen Konstantin	Director	Option Exercise	A	13.40	4,000	53,600	4,000
Sep 06 2016	NTIC	NORTHERN TECHNOLOG ...	Narayan Ramani	Director	Option Exercise	A	13.40	4,000	53,600	4,000
Sep 06 2016	NTIC	NORTHERN TECHNOLOG ...	Keong Koh Soo	Director	Option Exercise	A	13.40	4,000	53,600	4,000
Sep 06 2016	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Option Exercise	A	13.40	4,000	53,600	4,000
Sep 06 2016	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Option Exercise	A	13.40	2,000	26,800	2,000
Sep 03 2015	NTIC	NORTHERN TECHNOLOG ...	WOLSFELD MATTHEW C	CFO and Corporate S ...	Option Exercise	A	14.85	5,386	79,982	5,386
Sep 03 2015	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President and CEO	Option Exercise	A	14.85	7,287	108,212	7,287
Sep 03 2015	NTIC	NORTHERN TECHNOLOG ...	Colwell Barbara D.	Director	Option Exercise	A	14.85	4,000	59,400	4,000
Sep 03 2015	NTIC	NORTHERN TECHNOLOG ...	von Falkenhausen Konstantin	Director	Option Exercise	A	14.85	4,000	59,400	4,000
Sep 03 2015	NTIC	NORTHERN TECHNOLOG ...	Narayan Ramani	Director	Option Exercise	A	14.85	4,000	59,400	4,000
Sep 03 2015	NTIC	NORTHERN TECHNOLOG ...	Keong Koh Soo	Director	Option Exercise	A	14.85	4,000	59,400	4,000
Sep 03 2015	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Option Exercise	A	14.85	4,000	59,400	4,000
Sep 03 2015	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Option Exercise	A	14.85	2,000	29,700	2,000
Aug 18 2015	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Option Exercise	M	9.76	4,000	39,040	0
Aug 18 2015	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Payment of Exercise	F	15.76	2,477	39,038	9,800	12.3 K to 9.8 K (-20.18 %)
Aug 18 2015	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Buy	M	9.76	4,000	39,040	12,277	8.3 K to 12.3 K (+48.33 %)
Aug 18 2015	NTIC	NORTHERN TECHNOLOG ...	Narayan Ramani	Director	Option Exercise	M	9.76	4,000	39,040	0
Aug 18 2015	NTIC	NORTHERN TECHNOLOG ...	Narayan Ramani	Director	Buy	M	9.76	4,000	39,040	15,500	11.5 K to 15.5 K (+34.78 %)
Jul 28 2015	NTIC	NORTHERN TECHNOLOG ...	von Falkenhausen Konstantin	Director	Buy	P	17.02	600	10,212	600	0 to 600
Jul 06 2015	NTIC	NORTHERN TECHNOLOG ...	Keong Koh Soo	Director	Option Exercise	M	9.76	4,000	39,040	0
Jul 06 2015	NTIC	NORTHERN TECHNOLOG ...	Keong Koh Soo	Director	Buy	M	9.76	4,000	39,040	12,666	8.7 K to 12.7 K (+46.16 %)
Apr 29 2015	NTIC	NORTHERN TECHNOLOG ...	Colwell Barbara D.	Director	Buy	P	17.15	100	1,715	1,500	1.4 K to 1.5 K (+7.14 %)
Apr 29 2015	NTIC	NORTHERN TECHNOLOG ...	Colwell Barbara D.	Director	Buy	P	17.08	100	1,708	1,400	1.3 K to 1.4 K (+7.69 %)
Apr 29 2015	NTIC	NORTHERN TECHNOLOG ...	Colwell Barbara D.	Director	Buy	P	17.06	100	1,706	1,300	1.2 K to 1.3 K (+8.33 %)
Apr 29 2015	NTIC	NORTHERN TECHNOLOG ...	Colwell Barbara D.	Director	Buy	P	17.50	700	12,250	1,200	500 to 1.2 K (+140.00 %)
Jan 16 2015	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Option Exercise	M	10.20	2,333	23,797	0
Jan 16 2015	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Payment of Exercise	F	22.53	1,056	23,792	8,277	9.3 K to 8.3 K (-11.31 %)
Jan 16 2015	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Buy	M	10.20	2,333	23,797	9,333	7 K to 9.3 K (+33.33 %)
Sep 02 2014	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Option Exercise	A	20.10	4,000	80,400	4,000
Sep 02 2014	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Option Exercise	A	20.10	2,000	40,200	2,000
Sep 02 2014	NTIC	NORTHERN TECHNOLOG ...	WOLSFELD MATTHEW C	CFO and Corporate S ...	Option Exercise	A	20.10	3,876	77,908	3,876
Sep 02 2014	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President and CEO	Option Exercise	A	20.10	5,244	105,404	5,244
Sep 02 2014	NTIC	NORTHERN TECHNOLOG ...	Keong Koh Soo	Director	Option Exercise	A	20.10	4,000	80,400	4,000
Sep 02 2014	NTIC	NORTHERN TECHNOLOG ...	Narayan Ramani	Director	Option Exercise	A	20.10	4,000	80,400	4,000
Sep 02 2014	NTIC	NORTHERN TECHNOLOG ...	von Falkenhausen Konstantin	Director	Option Exercise	A	20.10	4,000	80,400	4,000
Sep 02 2014	NTIC	NORTHERN TECHNOLOG ...	Colwell Barbara D.	Director	Option Exercise	A	20.10	4,000	80,400	4,000
Aug 27 2014	NTIC	NORTHERN TECHNOLOG ...	Keong Koh Soo	Director	Option Exercise	M	8.57	4,000	34,280	0
Aug 27 2014	NTIC	NORTHERN TECHNOLOG ...	Keong Koh Soo	Director	Buy	M	8.57	4,000	34,280	8,666	4.7 K to 8.7 K (+85.73 %)
Aug 27 2014	NTIC	NORTHERN TECHNOLOG ...	Narayan Ramani	Director	Option Exercise	M	8.57	4,000	34,280	0
Aug 27 2014	NTIC	NORTHERN TECHNOLOG ...	Narayan Ramani	Director	Buy	M	8.57	4,000	34,280	11,500	7.5 K to 11.5 K (+53.33 %)
Apr 17 2014	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President and CEO	Option Exercise	M	7.65	12,000	91,800	0
Apr 17 2014	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President and CEO	Sell	S	21.25	12,000	255,000	37,052	49.1 K to 37.1 K (-24.46 %)
Apr 17 2014	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President and CEO	Buy	M	7.65	12,000	91,800	49,052	37.1 K to 49.1 K (+32.39 %)
Mar 12 2014	NTIC	NORTHERN TECHNOLOG ...	WOLSFELD MATTHEW C	CFO and Corporate S ...	Option Exercise	M	7.65	9,000	68,850	0
Mar 12 2014	NTIC	NORTHERN TECHNOLOG ...	WOLSFELD MATTHEW C	CFO and Corporate S ...	Buy	M	7.65	9,000	68,850	66,966	58 K to 67 K (+15.53 %)
Nov 20 2013	NTIC	NORTHERN TECHNOLOG ...	Colwell Barbara D.	Director	Option Exercise	A	17.11	3,000	51,330	3,000
Nov 26 2013	NTIC	NORTHERN TECHNOLOG ...	CHENU PIERRE	Director	Sell	S	16.75	1,500	25,125	4,500	6 K to 4.5 K (-25.00 %)
Sep 03 2013	NTIC	NORTHERN TECHNOLOG ...	von Falkenhausen Konstantin	Director	Option Exercise	A	14.70	4,000	58,800	4,000
Sep 03 2013	NTIC	NORTHERN TECHNOLOG ...	Narayan Ramani	Director	Option Exercise	A	14.70	4,000	58,800	4,000
Sep 03 2013	NTIC	NORTHERN TECHNOLOG ...	Keong Koh Soo	Director	Option Exercise	A	14.70	4,000	58,800	4,000
Sep 03 2013	NTIC	NORTHERN TECHNOLOG ...	Keong Koh Soo	Director	Option Exercise	M	12.84	4,000	51,360	0
Sep 03 2013	NTIC	NORTHERN TECHNOLOG ...	Keong Koh Soo	Director	Buy	M	12.84	4,000	51,360	4,666	666 to 4.7 K (+600.60 %)
Sep 03 2013	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Option Exercise	A	14.70	4,000	58,800	4,000
Sep 03 2013	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Option Exercise	A	14.70	2,000	29,400	2,000
Sep 03 2013	NTIC	NORTHERN TECHNOLOG ...	Lee Sunggyu	Director	Option Exercise	A	14.70	4,000	58,800	4,000
Sep 03 2013	NTIC	NORTHERN TECHNOLOG ...	WOLSFELD MATTHEW C	CFO and Corporate S ...	Option Exercise	A	14.70	4,291	63,078	4,291
Sep 03 2013	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President & CEO	Option Exercise	A	14.70	5,805	85,334	5,805
Apr 29 2013	NTIC	NORTHERN TECHNOLOG ...	Keong Koh Soo	Director	Option Exercise	M	7.75	666	5,162	0
Apr 29 2013	NTIC	NORTHERN TECHNOLOG ...	Keong Koh Soo	Director	Buy	M	7.75	666	5,162	666	0 to 666
Apr 23 2013	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Buy	P	10.99	2,000	21,980	7,000	5 K to 7 K (+40.00 %)
Feb 25 2013	NTIC	NORTHERN TECHNOLOG ...	CHENU PIERRE	Director	Sell	S	13.29	1,000	13,285	6,000	7 K to 6 K (-14.29 %)
Jan 29 2013	NTIC	NORTHERN TECHNOLOG ...	CHENU PIERRE	Director	Sell	S	13.10	1,000	13,100	7,000	8 K to 7 K (-12.50 %)
Nov 19 2012	NTIC	NORTHERN TECHNOLOG ...	von Falkenhausen Konstantin	Director	Option Exercise	A	10.25	3,000	30,750	3,000
Nov 19 2012	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Option Exercise	A	10.25	1,500	15,375	1,500
Nov 19 2012	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President and CEO	Option Exercise	A	10.25	8,325	85,331	8,325
Nov 19 2012	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President and CEO	Option Exercise	A	10.25	6,725	68,931	6,725
Nov 19 2012	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President and CEO	Option Exercise	A	10.25	3,362	34,461	3,362
Nov 19 2012	NTIC	NORTHERN TECHNOLOG ...	WOLSFELD MATTHEW C	CFO and Corporate S ...	Option Exercise	A	10.25	6,153	63,068	6,153
Nov 19 2012	NTIC	NORTHERN TECHNOLOG ...	WOLSFELD MATTHEW C	CFO and Corporate S ...	Option Exercise	A	10.25	4,971	50,953	4,971
Nov 19 2012	NTIC	NORTHERN TECHNOLOG ...	WOLSFELD MATTHEW C	CFO and Corporate S ...	Option Exercise	A	10.25	2,485	25,471	2,485
Nov 16 2012	NTIC	NORTHERN TECHNOLOG ...	WOLSFELD MATTHEW C	CFO and Corporate S ...	Option Exercise	M	9.95	3,950	39,303	0
Nov 16 2012	NTIC	NORTHERN TECHNOLOG ...	WOLSFELD MATTHEW C	CFO and Corporate S ...	Payment of Exercise	F	10.80	3,639	39,301	57,876	61.5 K to 57.9 K (-5.92 %)
Nov 16 2012	NTIC	NORTHERN TECHNOLOG ...	WOLSFELD MATTHEW C	CFO and Corporate S ...	Buy	M	9.95	3,950	39,303	61,515	57.6 K to 61.5 K (+6.86 %)
Nov 16 2012	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President and CEO	Option Exercise	M	9.95	3,540	35,223	0
Nov 16 2012	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President and CEO	Payment of Exercise	F	10.80	3,261	35,219	37,052	40.3 K to 37.1 K (-8.09 %)
Nov 16 2012	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President and CEO	Buy	M	9.95	3,540	35,223	40,313	36.8 K to 40.3 K (+9.63 %)
Sep 25 2012	NTIC	NORTHERN TECHNOLOG ...	WOLSFELD MATTHEW C	CFO and Corporate S ...	Option Exercise	M	9.95	9,000	89,550	0
Sep 25 2012	NTIC	NORTHERN TECHNOLOG ...	WOLSFELD MATTHEW C	CFO and Corporate S ...	Buy	M	9.95	9,000	89,550	57,565	48.6 K to 57.6 K (+18.53 %)
Sep 04 2012	NTIC	NORTHERN TECHNOLOG ...	Narayan Ramani	Director	Option Exercise	A	10.25	4,000	41,000	4,000
Sep 04 2012	NTIC	NORTHERN TECHNOLOG ...	Narayan Ramani	Director	Option Exercise	M	9.75	2,000	19,500	0
Sep 04 2012	NTIC	NORTHERN TECHNOLOG ...	Narayan Ramani	Director	Buy	M	9.75	2,000	19,500	7,500	5.5 K to 7.5 K (+36.36 %)
Sep 04 2012	NTIC	NORTHERN TECHNOLOG ...	CHENU PIERRE	Director	Option Exercise	A	10.25	4,000	41,000	4,000
Sep 04 2012	NTIC	NORTHERN TECHNOLOG ...	CHENU PIERRE	Director	Option Exercise	A	10.25	2,000	20,500	2,000
Sep 04 2012	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Option Exercise	A	10.25	4,000	41,000	4,000
Sep 04 2012	NTIC	NORTHERN TECHNOLOG ...	Keong Koh Soo	Director	Option Exercise	A	10.25	4,000	41,000	4,000
Sep 04 2012	NTIC	NORTHERN TECHNOLOG ...	Lee Sunggyu	Director	Option Exercise	A	10.25	4,000	41,000	4,000
Aug 14 2012	NTIC	NORTHERN TECHNOLOG ...	STONE MARK J	Director	Sell	S	9.85	2,059	20,289	0	2.1 K to 0 (-100.00 %)
Apr 23 2012	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Buy	P	13.25	763	10,110	5,000	4.2 K to 5 K (+18.01 %)
Apr 23 2012	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Buy	P	12.98	537	6,970	4,237	3.7 K to 4.2 K (+14.51 %)
Apr 23 2012	NTIC	NORTHERN TECHNOLOG ...	NIGON RICHARD	Director	Buy	P	12.89	1,700	21,919	3,700	2 K to 3.7 K (+85.00 %)
Mar 01 2012	NTIC	NORTHERN TECHNOLOG ...	STONE MARK J	Director	Sell	S	15.20	6,700	101,840	3,200	9.9 K to 3.2 K (-67.68 %)
Mar 01 2012	NTIC	NORTHERN TECHNOLOG ...	STONE MARK J	Director	Sell	S	15.70	100	1,570	9,900	10 K to 9.9 K (-1.00 %)
Nov 08 2011	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President & CEO	Grant	A	0.00	7,985	0	37,105	29.1 K to 37.1 K (+27.42 %)
Nov 08 2011	NTIC	NORTHERN TECHNOLOG ...	WOLSFELD MATTHEW C	CFO and Corporate S ...	Grant	A	0.00	6,053	0	48,507	42.5 K to 48.5 K (+14.26 %)
Sep 14 2011	NTIC	NORTHERN TECHNOLOG ...	INTER ALIA HOLDING CO	10% Owner	Sell	S	14.80	616	9,117	601,668	602.3 K to 601.7 K (-0.10 %)
Sep 14 2011	NTIC	NORTHERN TECHNOLOG ...	INTER ALIA HOLDING CO	10% Owner	Sell	S	15.20	1,184	17,999	602,284	603.5 K to 602.3 K (-0.20 %)
Sep 09 2011	NTIC	NORTHERN TECHNOLOG ...	INTER ALIA HOLDING CO	10% Owner	Sell	S	15.81	1,992	31,497	603,468	605.5 K to 603.5 K (-0.33 %)
Sep 14 2011	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President	Sell	S	14.80	616	9,117	601,668	602.3 K to 601.7 K (-0.10 %)
Sep 14 2011	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President	Sell	S	15.20	1,184	17,999	602,284	603.5 K to 602.3 K (-0.20 %)
Sep 06 2011	NTIC	NORTHERN TECHNOLOG ...	INTER ALIA HOLDING CO	10% Owner	Sell	S	16.00	108	1,728	605,460	605.6 K to 605.5 K (-0.02 %)
Sep 06 2011	NTIC	NORTHERN TECHNOLOG ...	INTER ALIA HOLDING CO	10% Owner	Sell	S	16.00	1,000	16,000	605,568	606.6 K to 605.6 K (-0.16 %)
Sep 06 2011	NTIC	NORTHERN TECHNOLOG ...	INTER ALIA HOLDING CO	10% Owner	Sell	S	16.45	100	1,645	606,568	606.7 K to 606.6 K (-0.02 %)
Sep 09 2011	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President	Sell	S	15.81	1,992	31,497	603,468	605.5 K to 603.5 K (-0.33 %)
Sep 06 2011	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President	Sell	S	16.00	108	1,728	605,460	605.6 K to 605.5 K (-0.02 %)
Sep 06 2011	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President	Sell	S	16.00	1,000	16,000	605,568	606.6 K to 605.6 K (-0.16 %)
Sep 06 2011	NTIC	NORTHERN TECHNOLOG ...	LYNCH G PATRICK	President	Sell	S	16.45	100	1,645	606,568	606.7 K to 606.6 K (-0.02 %)

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