Insider Trading activities of Northern Technologies International Corp insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Northern Technologies International Corp since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Northern Technologies International Corp since year 2005. Table 2 shows the detailed insider transactions of Northern Technologies International Corp since 2005. The reporting company's ticker symbol is NTIC. The reporting company's CIK number is 875582.
The total value of stock buying since 2005 is $109,612.
The total value of stock sales since 2005 is $5,880,627.
The total value of stock option exercises since 2005 is $1,046,746.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Northern Technologies International Corp (NTIC).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-09 0 $0 0 $0 1,500 $15,375
2017-08 0 $0 0 $0 8,000 $82,000
2017-04 0 $0 0 $0 4,000 $41,000
2015-08 0 $0 0 $0 8,000 $78,080
2015-07 600 $10,212 0 $0 4,000 $39,040
2015-04 1,000 $17,197 0 $0 0 $0
2015-01 0 $0 0 $0 2,333 $23,796
2014-08 0 $0 0 $0 8,000 $68,560
2014-04 0 $0 12,000 $255,000 12,000 $91,800
2014-03 0 $0 0 $0 9,000 $68,850
2013-11 0 $0 1,500 $25,125 0 $0
2013-08 0 $0 0 $0 4,000 $51,360
2013-04 2,000 $21,980 0 $0 666 $5,161
2013-02 0 $0 1,000 $13,285 0 $0
2013-01 0 $0 1,000 $13,100 0 $0
2012-11 0 $0 0 $0 7,490 $74,525
2012-09 0 $0 0 $0 9,000 $89,550
2012-08 0 $0 2,059 $20,289 2,000 $19,500
2012-04 3,000 $39,123 0 $0 0 $0
2012-02 0 $0 6,800 $103,410 0 $0
2011-09 0 $0 10,000 $155,970 0 $0
2011-08 0 $0 2,000 $32,400 6,000 $48,060
2011-06 0 $0 10,000 $162,546 0 $0
2011-03 0 $0 10,000 $159,800 0 $0
2010-12 0 $0 10,000 $132,962 0 $0
2010-11 0 $0 2,000 $28,786 16,000 $86,080
2010-09 0 $0 10,000 $95,220 0 $0
2010-08 2,000 $21,100 10,000 $113,266 6,000 $34,500
2010-01 0 $0 36,000 $270,416 0 $0
2009-12 0 $0 404,800 $3,036,000 0 $0
2009-10 0 $0 0 $0 1,500 $9,225
2009-08 0 $0 0 $0 2,000 $10,500
2008-11 0 $0 119,200 $1,201,892 0 $0
2008-07 0 $0 0 $0 2,000 $10,600
2007-08 0 $0 0 $0 3,000 $15,825
2007-02 0 $0 0 $0 10,000 $45,599
2006-07 0 $0 8,000 $37,760 8,000 $37,760
2006-01 0 $0 5,000 $23,400 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Northern Technologies International Corp insiders (NTIC)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-09-07 Nigon Richard (Director) Option Ex 1,500 10.25 15,375
2017-08-31 Narayan Ramani (Director) Option Ex 4,000 10.25 41,000
2017-08-23 Keong Koh Soo (Director) Option Ex 4,000 10.25 41,000
2017-04-27 Nigon Richard (Director) Option Ex 4,000 10.25 41,000
2015-08-17 Narayan Ramani (Director) Option Ex 4,000 9.76 39,040
2015-08-17 Nigon Richard (Director) Option Ex 4,000 9.76 39,040
2015-07-24 Von Falkenhausen Konstantin (Director) Buy 600 17.02 10,212
2015-07-03 Keong Koh Soo (Director) Option Ex 4,000 9.76 39,040
2015-04-28 Colwell Barbara D. (Director) Buy 1,000 17.20 17,197
2015-01-15 Nigon Richard (Director) Option Ex 2,333 10.20 23,796
2014-08-26 Narayan Ramani (Director) Option Ex 4,000 8.57 34,280
2014-08-25 Keong Koh Soo (Director) Option Ex 4,000 8.57 34,280
2014-04-16 Lynch G Patrick (President and CEO) Sale 12,000 21.25 255,000
2014-04-16 Lynch G Patrick (President and CEO) Option Ex 12,000 7.65 91,800
2014-03-10 Wolsfeld Matthew C (CFO and Corporate Secretary) Option Ex 9,000 7.65 68,850
2013-11-26 Chenu Pierre (Director) Sale 1,500 16.75 25,125
2013-08-30 Keong Koh Soo (Director) Option Ex 4,000 12.84 51,360
2013-04-29 Keong Koh Soo (Director) Option Ex 666 7.75 5,161
2013-04-22 Nigon Richard (Director) Buy 2,000 10.99 21,980
2013-02-25 Chenu Pierre (Director) Sale 1,000 13.29 13,285
2013-01-29 Chenu Pierre (Director) Sale 1,000 13.10 13,100
2012-11-14 Wolsfeld Matthew C (CFO and Corporate Secretary) Option Ex 3,950 9.95 39,302
2012-11-14 Lynch G Patrick (President and CEO) Option Ex 3,540 9.95 35,223
2012-09-24 Wolsfeld Matthew C (CFO and Corporate Secretary) Option Ex 9,000 9.95 89,550
2012-08-31 Narayan Ramani (Director) Option Ex 2,000 9.75 19,500
2012-08-10 Stone Mark J (Director) Sale 2,059 9.85 20,289
2012-04-20 Nigon Richard (Director) Buy 3,000 13.04 39,123
2012-02-28 Stone Mark J (Director) Sale 6,700 15.20 101,840
2012-02-27 Stone Mark J (Director) Sale 100 15.70 1,570
2011-09-13 Lynch Juliane I (President) Sale 616 14.80 9,116
2011-09-13 Lynch G Patrick (President) Sale 616 14.80 9,116
2011-09-12 Lynch Juliane I (President) Sale 1,184 15.20 17,999
2011-09-12 Lynch G Patrick (President) Sale 1,184 15.20 17,999
2011-09-07 Lynch Juliane I (President) Sale 1,992 15.81 31,497
2011-09-07 Lynch G Patrick (President) Sale 1,992 15.81 31,497
2011-09-06 Lynch Juliane I (President) Sale 108 16.00 1,728
2011-09-06 Lynch G Patrick (President) Sale 108 16.00 1,728
2011-09-02 Lynch Juliane I (President) Sale 1,000 16.00 16,000
2011-09-02 Lynch G Patrick (President) Sale 1,000 16.00 16,000
2011-09-01 Lynch Juliane I (President) Sale 100 16.45 1,645
2011-09-01 Lynch G Patrick (President) Sale 100 16.45 1,645
2011-08-31 Narayan Ramani (Director) Option Ex 2,000 8.01 16,020
2011-08-31 Chenu Pierre (Director) Option Ex 2,000 8.01 16,020
2011-08-31 Stone Mark J (Director) Sale 2,000 16.20 32,400
2011-08-31 Stone Mark J (Director) Option Ex 2,000 8.01 16,020
2011-06-10 Lynch Juliane I (President) Sale 690 15.79 10,894
2011-06-10 Lynch G Patrick (President) Sale 690 15.79 10,894
2011-06-07 Lynch Juliane I (President) Sale 600 16.23 9,741
2011-06-07 Lynch G Patrick (President and CEO) Sale 600 16.23 9,741
2011-06-06 Lynch Juliane I (President) Sale 500 16.32 8,161
2011-06-06 Lynch G Patrick (President and CEO) Sale 500 16.32 8,161
2011-06-03 Lynch Juliane I (President) Sale 1,410 16.31 23,002
2011-06-03 Lynch G Patrick (President and CEO) Sale 1,410 16.31 23,002
2011-06-02 Lynch Juliane I (President) Sale 300 16.55 4,965
2011-06-02 Lynch G Patrick (President and CEO) Sale 300 16.55 4,965
2011-06-01 Lynch Juliane I (President) Sale 1,500 16.34 24,510
2011-06-01 Lynch G Patrick (President and CEO) Sale 1,500 16.34 24,510
2011-03-04 Lynch Juliane I (President) Sale 1,500 16.00 24,000
2011-03-04 Lynch G Patrick (President and CEO) Sale 1,500 16.00 24,000
2011-03-03 Lynch Juliane I (President) Sale 2,500 15.96 39,900
2011-03-03 Lynch G Patrick (President and CEO) Sale 2,500 15.96 39,900
2011-03-02 Lynch Juliane I (President) Sale 1,000 16.00 16,000
2011-03-02 Lynch G Patrick (President and CEO) Sale 1,000 16.00 16,000
2010-12-07 Lynch Juliane I (President) Sale 600 13.00 7,800
2010-12-07 Lynch G Patrick (President and CEO) Sale 600 13.00 7,800
2010-12-06 Lynch Juliane I (President) Sale 1,500 12.93 19,401
2010-12-06 Lynch G Patrick (President and CEO) Sale 1,500 12.93 19,401
2010-12-03 Lynch Juliane I (President) Sale 500 13.40 6,700
2010-12-03 Lynch G Patrick (President and CEO) Sale 500 13.40 6,700
2010-12-02 Lynch Juliane I (President) Sale 2,000 13.53 27,056
2010-12-02 Lynch G Patrick (President and CEO) Sale 2,000 13.53 27,056
2010-12-01 Lynch Juliane I (President) Sale 400 13.81 5,524
2010-12-01 Lynch G Patrick (President and CEO) Sale 400 13.81 5,524
2010-11-29 Stone Mark J (Director) Sale 2,000 14.39 28,786
2010-11-02 Wolsfeld Matthew C (CFO) Option Ex 8,000 5.38 43,040
2010-11-02 Lynch G Patrick (CEO) Option Ex 8,000 5.38 43,040
2010-09-22 Lynch Juliane I (President) Sale 900 9.50 8,550
2010-09-22 Lynch G Patrick (President) Sale 900 9.50 8,550
2010-09-21 Lynch Juliane I (President) Sale 1,300 9.59 12,460
2010-09-21 Lynch G Patrick (President) Sale 1,300 9.59 12,460
2010-09-20 Lynch Juliane I (President) Sale 1,000 9.50 9,500
2010-09-20 Lynch G Patrick (President) Sale 1,000 9.50 9,500
2010-09-15 Lynch Juliane I (President) Sale 100 9.50 950
2010-09-15 Lynch G Patrick (President and CEO) Sale 100 9.50 950
2010-09-14 Lynch Juliane I (President) Sale 700 9.50 6,650
2010-09-14 Lynch G Patrick (President and CEO) Sale 700 9.50 6,650
2010-09-13 Lynch Juliane I (President) Sale 1,000 9.50 9,500
2010-09-13 Lynch G Patrick (President and CEO) Sale 1,000 9.50 9,500
2010-08-30 Narayan Ramani (Director) Option Ex 2,000 5.75 11,500
2010-08-30 Chenu Pierre (Director) Option Ex 2,000 5.75 11,500
2010-08-30 Stone Mark J (Director) Option Ex 2,000 5.75 11,500
2010-08-27 Nigon Richard (Director) Buy 2,000 10.55 21,100
2010-08-25 Lynch Juliane I (President) Sale 2,315 10.11 23,393
2010-08-25 Lynch G Patrick (President and CEO) Sale 2,315 10.11 23,393
2010-08-20 Lynch Juliane I (President) Sale 859 11.69 10,041
2010-08-20 Lynch G Patrick (President and CEO) Sale 859 11.69 10,041
2010-08-18 Lynch Juliane I (President) Sale 526 12.90 6,785
2010-08-18 Lynch G Patrick (President and CEO) Sale 526 12.90 6,785
2010-08-17 Lynch Juliane I (President) Sale 1,100 12.53 13,778
2010-08-17 Lynch G Patrick (President and CEO) Sale 1,100 12.53 13,778
2010-08-16 Lynch Juliane I (President) Sale 200 13.18 2,636
2010-08-16 Lynch G Patrick (President and CEO) Sale 200 13.18 2,636
2010-01-19 Lynch Juliane I (President) Sale 100 9.58 958
2010-01-19 Lynch G Patrick (President and CEO) Sale 100 9.58 958
2010-01-15 Lynch Juliane I (President) Sale 17,900 7.50 134,250
2010-01-15 Lynch G Patrick (President and CEO) Sale 17,900 7.50 134,250
2009-12-04 Lynch Juliane I (10% Owner) Sale 202,400 7.50 1,518,000
2009-12-04 Lynch G Patrick (President and CEO) Sale 202,400 7.50 1,518,000
2009-10-23 Narayan Ramani (Director) Option Ex 1,500 6.15 9,225
2009-08-13 Chenu Pierre (Director) Option Ex 2,000 5.25 10,500
2008-11-28 Lynch Juliane I (Director) Sale 59,600 10.08 600,946
2008-11-28 Lynch G Patrick (President and CEO) Sale 59,600 10.08 600,946
2008-07-30 Chenu Pierre (Director) Option Ex 2,000 5.30 10,600
2007-08-21 Stone Mark J (Director) Option Ex 3,000 5.28 15,825
2007-02-09 Wolsfeld Matthew C (CFO & Corporate Secretary) Option Ex 10,000 4.56 45,599
2006-07-25 Lynch Philip M (Other) Sale 8,000 4.72 37,760
2006-07-25 Lynch Philip M (Other) Option Ex 8,000 4.72 37,760
2006-01-31 Stone Mark J (Director) Sale 5,000 4.68 23,400

Insider trading activities including stock purchases, stock sales, and option exercises of NTIC listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Northern Technologies International Corp (symbol NTIC, CIK number 875582) see the Securities and Exchange Commission (SEC) website.