United States Machinery, Equipment & Components

Northern Technologies International Corp (NTIC)

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Over the past 90 days, Northern Technologies International Corp has seen three insider transactions totaling approximately $321,477 in sales, with no recorded purchases. These transactions, involving directors and major shareholders, occurred following the company's July 2026 earnings report, which missed EPS expectations. The stock price has remained relatively stable, showing a 0.2% change over the period.
Ticker: NTIC Exchange: NMS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Northern Technologies International Corp. Upgrade to see score, net flow, insiders and the full signal context.

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Trades
Proposed sale 29 Jul 2026
Value US$3,994,486.63 | Price 246.00 | Shares 44,565
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-07-29 2026-07-29 PrS Proposed sale
LYNCH G PATRICK

Officer; Director; 10% Stockholder

Executive Director Large shareholder
44,565
246.00
US$3,994,487 		44,565 246.00 US$3,994,487
2026-07-21 2026-07-20 S Sale
2.4
NIGON RICHARD
Non-Executive Director
65,259 -17.9%
23.87
US$2,459,417 		65,259 -17.9% 23.87 US$2,459,417
2026-07-20 2026-07-20 PrS Proposed sale
2.4
NIGON RICHARD

Director

Non-Executive Director
15,652
111.74
US$1,068,202 		15,652 111.74 US$1,068,202
2025-05-06 2025-05-06 B Purchase
2.2
von Falkenhausen Konstantin
Non-Executive Director
1,100 +6.4%
7.23
US$7,953 		1,100 +6.4% 7.23 US$7,953
2025-04-28 2025-04-25 B Purchase
2.5
Calderon Nancy E.
Non-Executive Director
1,000 +14.4%
7.45
US$7,452 		1,000 +14.4% 7.45 US$7,452
2024-04-24 2024-04-23 B Purchase
2.1
Kemp Sarah E.
Non-Executive Director
1,275 +28.4%
15.70
US$20,018 		1,275 +28.4% 15.70 US$20,018
2023-08-14 2023-08-14 B Purchase
2.5
Calderon Nancy E.
Non-Executive Director
500 +19.5%
13.17
US$6,585 		500 +19.5% 13.17 US$6,585
2023-07-27 2023-07-27 PrS Proposed sale
2.4
NIGON RICHARD

Director

Non-Executive Director
1,847
12.47
US$23,032 		1,847 12.47 US$23,032
2023-07-27 2023-07-27 S Sale
2.4
NIGON RICHARD
Non-Executive Director
1,847 -5.2%
12.17
US$22,478 		1,847 -5.2% 12.17 US$22,478
2023-04-19 2023-04-18 B Purchase
2.1
Kemp Sarah E.
Non-Executive Director
2,473 +122.9%
12.13
US$30,000 		2,473 +122.9% 12.13 US$30,000
2023-01-31 2023-01-30 B Purchase
2.5
Calderon Nancy E.
Non-Executive Director
500 +24.3%
12.92
US$6,459 		500 +24.3% 12.92 US$6,459
2022-01-13 2022-01-12 B Purchase
2.1
Kemp Sarah E.
Non-Executive Director
32 +1.6%
15.00
US$480 		32 +1.6% 15.00 US$480
2022-01-13 2022-01-12 B Purchase
2.1
Kemp Sarah E.
Non-Executive Director
1,980 +inf%
14.91
US$29,525 		1,980 +inf% 14.91 US$29,525
2021-01-25 2021-01-25 B Purchase
2.5
Calderon Nancy E.
Non-Executive Director
1,000 +100.0%
14.78
US$14,776 		1,000 +100.0% 14.78 US$14,776
2020-07-24 2020-07-23 B Purchase
2.5
Calderon Nancy E.
Non-Executive Director
1,000 +inf%
8.60
US$8,600 		1,000 +inf% 8.60 US$8,600
2015-07-28 2015-07-24 B Purchase von Falkenhausen Konstantin Non-Executive Director
600 +inf%
17.02
US$10,212 		600 +inf% 17.02 US$10,212
2015-04-29 2015-04-28 B Purchase Colwell Barbara D. Non-Executive Director
100 +7.1%
17.15
US$1,715 		100 +7.1% 17.15 US$1,715
2015-04-29 2015-04-28 B Purchase Colwell Barbara D. Non-Executive Director
100 +7.7%
17.08
US$1,708 		100 +7.7% 17.08 US$1,708
2015-04-29 2015-04-28 B Purchase Colwell Barbara D. Non-Executive Director
100 +8.3%
17.06
US$1,706 		100 +8.3% 17.06 US$1,706
2015-04-29 2015-04-28 B Purchase Colwell Barbara D. Non-Executive Director
700 +140.0%
17.50
US$12,250 		700 +140.0% 17.50 US$12,250
2014-04-17 2014-04-16 S Sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
12,000 -24.5%
21.25
US$255,000 		12,000 -24.5% 21.25 US$255,000
2013-11-26 2013-11-26 S Sale CHENU PIERRE Non-Executive Director
1,500 -25.0%
16.75
US$25,125 		1,500 -25.0% 16.75 US$25,125
2013-04-23 2013-04-22 B Purchase NIGON RICHARD
2,000 +40.0%
10.99
US$21,980 		2,000 +40.0% 10.99 US$21,980
2013-02-25 2013-02-25 S Sale CHENU PIERRE Non-Executive Director
1,000 -14.3%
13.29
US$13,285 		1,000 -14.3% 13.29 US$13,285
2013-01-29 2013-01-29 S Sale CHENU PIERRE Non-Executive Director
1,000 -12.5%
13.10
US$13,100 		1,000 -12.5% 13.10 US$13,100
2012-08-14 2012-08-10 S Sale STONE MARK J Non-Executive Director
2,059 -100.0%
9.85
US$20,289 		2,059 -100.0% 9.85 US$20,289
2012-04-23 2012-04-20 B Purchase NIGON RICHARD Non-Executive Director
763 +18.0%
13.25
US$10,110 		763 +18.0% 13.25 US$10,110
2012-04-23 2012-04-20 B Purchase NIGON RICHARD Non-Executive Director
537 +14.5%
12.98
US$6,970 		537 +14.5% 12.98 US$6,970
2012-04-23 2012-04-20 B Purchase NIGON RICHARD Non-Executive Director
1,700 +85.0%
12.89
US$21,919 		1,700 +85.0% 12.89 US$21,919
2012-03-01 2012-02-28 S Sale STONE MARK J Non-Executive Director
6,700 -67.7%
15.20
US$101,840 		6,700 -67.7% 15.20 US$101,840
2012-03-01 2012-02-27 S Sale STONE MARK J Non-Executive Director
100 -1.0%
15.70
US$1,570 		100 -1.0% 15.70 US$1,570
2011-09-14 2011-09-13 PlS Planned sale INTER ALIA HOLDING CO

President

Large shareholder
616 -0.1%
14.80
US$9,117 		616 -0.1% 14.80 US$9,117
2011-09-14 2011-09-13 PlS Planned sale LYNCH G PATRICK

President

Executive Director Large shareholder
616 -0.1%
14.80
US$9,117 		616 -0.1% 14.80 US$9,117
2011-09-06 2011-09-06 PlS Planned sale LYNCH G PATRICK

President

Executive Director Large shareholder
108 -0.0%
16.00
US$1,728 		108 -0.0% 16.00 US$1,728
2011-09-06 2011-09-06 PlS Planned sale INTER ALIA HOLDING CO

President

Large shareholder
108 -0.0%
16.00
US$1,728 		108 -0.0% 16.00 US$1,728
2011-09-06 2011-09-02 PlS Planned sale LYNCH G PATRICK

President

Executive Director Large shareholder
1,000 -0.2%
16.00
US$16,000 		1,000 -0.2% 16.00 US$16,000
2011-09-06 2011-09-02 PlS Planned sale INTER ALIA HOLDING CO

President

Large shareholder
1,000 -0.2%
16.00
US$16,000 		1,000 -0.2% 16.00 US$16,000
2011-09-02 2011-08-31 S Sale STONE MARK J Non-Executive Director
2,000 -20.0%
16.20
US$32,400 		2,000 -20.0% 16.20 US$32,400
2011-06-08 2011-06-07 PlS Planned sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
600 -0.1%
16.24
US$9,741 		600 -0.1% 16.24 US$9,741
2011-06-08 2011-06-07 PlS Planned sale INTER ALIA HOLDING CO

President

Large shareholder
600 -0.1%
16.24
US$9,741 		600 -0.1% 16.24 US$9,741
2011-06-03 2011-06-03 PlS Planned sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
1,410 -0.2%
16.31
US$23,003 		1,410 -0.2% 16.31 US$23,003
2011-06-03 2011-06-02 PlS Planned sale INTER ALIA HOLDING CO

President

Large shareholder
300 -0.0%
16.55
US$4,965 		300 -0.0% 16.55 US$4,965
2011-06-03 2011-06-02 PlS Planned sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
300 -0.0%
16.55
US$4,965 		300 -0.0% 16.55 US$4,965
2011-03-07 2011-03-04 PlS Planned sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
1,500 -0.2%
16.00
US$24,000 		1,500 -0.2% 16.00 US$24,000
2011-03-07 2011-03-04 PlS Planned sale INTER ALIA HOLDING CO

President

Large shareholder
1,500 -0.2%
16.00
US$24,000 		1,500 -0.2% 16.00 US$24,000
2011-03-07 2011-03-03 PlS Planned sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
2,500 -0.4%
15.96
US$39,900 		2,500 -0.4% 15.96 US$39,900
2011-03-07 2011-03-03 PlS Planned sale INTER ALIA HOLDING CO

President

Large shareholder
2,500 -0.4%
15.96
US$39,900 		2,500 -0.4% 15.96 US$39,900
2010-12-07 2010-12-07 PlS Planned sale INTER ALIA HOLDING CO

President

Large shareholder
600 -0.1%
13.00
US$7,800 		600 -0.1% 13.00 US$7,800
2010-12-07 2010-12-07 PlS Planned sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
600 -0.1%
13.00
US$7,800 		600 -0.1% 13.00 US$7,800
2010-12-03 2010-12-03 PlS Planned sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
500 -0.1%
13.40
US$6,700 		500 -0.1% 13.40 US$6,700
2010-12-03 2010-12-03 PlS Planned sale INTER ALIA HOLDING CO

President

Large shareholder
500 -0.1%
13.40
US$6,700 		500 -0.1% 13.40 US$6,700
2010-12-03 2010-12-02 PlS Planned sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
2,000 -0.3%
13.53
US$27,056 		2,000 -0.3% 13.53 US$27,056
2010-12-03 2010-12-02 PlS Planned sale INTER ALIA HOLDING CO

President

Large shareholder
2,000 -0.3%
13.53
US$27,056 		2,000 -0.3% 13.53 US$27,056
2010-11-29 2010-11-29 S Sale STONE MARK J Non-Executive Director
2,000 -16.7%
14.39
US$28,786 		2,000 -16.7% 14.39 US$28,786
2010-09-22 2010-09-22 PlS Planned sale INTER ALIA HOLDING CO

President

Large shareholder
900 -0.1%
9.50
US$8,550 		900 -0.1% 9.50 US$8,550
2010-09-22 2010-09-22 PlS Planned sale LYNCH G PATRICK

President

Executive Director Large shareholder
900 -0.1%
9.50
US$8,550 		900 -0.1% 9.50 US$8,550
2010-09-22 2010-09-21 PlS Planned sale INTER ALIA HOLDING CO

President

Large shareholder
100 -0.0%
9.67
US$967 		100 -0.0% 9.67 US$967
2010-09-22 2010-09-21 PlS Planned sale INTER ALIA HOLDING CO

President

Large shareholder
1,200 -0.2%
9.50
US$11,400 		1,200 -0.2% 9.50 US$11,400
2010-09-22 2010-09-21 PlS Planned sale LYNCH G PATRICK

President

Executive Director Large shareholder
100 -0.0%
9.67
US$967 		100 -0.0% 9.67 US$967
2010-09-22 2010-09-21 PlS Planned sale LYNCH G PATRICK

President

Executive Director Large shareholder
1,200 -0.2%
9.50
US$11,400 		1,200 -0.2% 9.50 US$11,400
2010-09-15 2010-09-15 PlS Planned sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
100 -0.0%
9.50
US$950 		100 -0.0% 9.50 US$950
2010-09-15 2010-09-15 PlS Planned sale INTER ALIA HOLDING CO

President

Large shareholder
100 -0.0%
9.50
US$950 		100 -0.0% 9.50 US$950
2010-09-15 2010-09-14 PlS Planned sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
700 -0.1%
9.50
US$6,650 		700 -0.1% 9.50 US$6,650
2010-09-15 2010-09-14 PlS Planned sale INTER ALIA HOLDING CO

President

Large shareholder
700 -0.1%
9.50
US$6,650 		700 -0.1% 9.50 US$6,650
2010-08-27 2010-08-27 B Purchase NIGON RICHARD Non-Executive Director
2,000 +inf%
10.55
US$21,100 		2,000 +inf% 10.55 US$21,100
2010-08-26 2010-08-25 PlS Planned sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
206 -0.0%
10.86
US$2,237 		206 -0.0% 10.86 US$2,237
2010-08-26 2010-08-25 PlS Planned sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
100 -0.0%
10.76
US$1,076 		100 -0.0% 10.76 US$1,076
2010-08-26 2010-08-25 PlS Planned sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
115 -0.0%
10.75
US$1,236 		115 -0.0% 10.75 US$1,236
2010-08-26 2010-08-25 PlS Planned sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
900 -0.1%
10.75
US$9,675 		900 -0.1% 10.75 US$9,675
2010-08-26 2010-08-25 PlS Planned sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
100 -0.0%
10.02
US$1,002 		100 -0.0% 10.02 US$1,002
2010-08-26 2010-08-25 PlS Planned sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
89 -0.0%
9.96
US$886 		89 -0.0% 9.96 US$886
2010-08-26 2010-08-25 PlS Planned sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
11 -0.0%
9.87
US$109 		11 -0.0% 9.87 US$109
2010-08-26 2010-08-25 PlS Planned sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
100 -0.0%
9.83
US$983 		100 -0.0% 9.83 US$983
2010-08-26 2010-08-25 PlS Planned sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
300 -0.0%
9.81
US$2,943 		300 -0.0% 9.81 US$2,943
2010-08-26 2010-08-25 PlS Planned sale LYNCH G PATRICK

President and CEO

Executive Director Large shareholder
100 -0.0%
9.80
US$980 		100 -0.0% 9.80 US$980
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