Latest Insider Transactions at Northern Technologies International Corp (NTIC)
This section provides a real-time view of insider transactions for Northern Technologies International Corp (NTIC). The data is sourced from Form 4 filings with the SEC, which are filed by insiders of NORTHERN TECHNOLOGIES INTERNATIONAL CORP to disclose their transactions in the company's securities. By reviewing this information, investors can gain insights into the trading activity of NORTHERN TECHNOLOGIES INTERNATIONAL CORP's insiders and make more informed investment decisions.
Insider Transaction List
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Sep 01
2025
|
Richard Nigon Director |
BUY
Grant, award, or other acquisition
|
Direct |
8,086
+14.64%
|
-
|
|
Sep 01
2025
|
Sarah E. Kemp Director |
BUY
Grant, award, or other acquisition
|
Direct |
6,739
+29.29%
|
-
|
|
Sep 01
2025
|
Cristina Lucia Duarte Pinho Director |
BUY
Grant, award, or other acquisition
|
Direct |
6,739
+39.07%
|
-
|
|
Sep 01
2025
|
Nancy E. Calderon Director |
BUY
Grant, award, or other acquisition
|
Direct |
6,739
+31.37%
|
-
|
|
Aug 13
2025
|
Nancy E. Calderon Director |
BUY
Small Acquisition
|
Direct |
4
+0.03%
|
$28
$7.72 P/Share
|
|
Jul 24
2025
|
Richard Nigon Director |
SELL
Payment of exercise price or tax liability
|
Direct |
10,873
-21.77%
|
$86,984
$8.2 P/Share
|
|
Jul 24
2025
|
Richard Nigon Director |
BUY
Exercise of conversion of derivative security
|
Direct |
12,000
+19.38%
|
$84,000
$7.43 P/Share
|
|
May 14
2025
|
Nancy E. Calderon Director |
BUY
Small Acquisition
|
Direct |
4
+0.03%
|
$28
$7.35 P/Share
|
|
May 06
2025
|
Konstantin Von Falkenhausen Director |
BUY
Open market or private purchase
|
Direct |
1,100
+5.69%
|
$7,700
$7.23 P/Share
|
|
Apr 25
2025
|
Nancy E. Calderon Director |
BUY
Open market or private purchase
|
Direct |
1,000
+11.17%
|
$7,000
$7.45 P/Share
|
|
Feb 12
2025
|
Nancy E. Calderon Director |
BUY
Small Acquisition
|
Direct |
19
+0.12%
|
$209
$11.26 P/Share
|
|
Nov 13
2024
|
Nancy E. Calderon Director |
BUY
Small Acquisition
|
Direct |
16
+0.1%
|
$208
$13.29 P/Share
|
|
Sep 01
2024
|
Cristina Lucia Duarte Pinho Director |
BUY
Grant, award, or other acquisition
|
Direct |
3,771
+50.0%
|
-
|
|
Sep 01
2024
|
Nancy E. Calderon Director |
BUY
Grant, award, or other acquisition
|
Direct |
3,771
+35.16%
|
-
|
|
Sep 01
2024
|
Sarah E. Kemp Director |
BUY
Grant, award, or other acquisition
|
Direct |
3,771
+28.35%
|
-
|
|
Aug 26
2024
|
G Patrick Lynch President and CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
7,710
-6.82%
|
$100,230
$13.67 P/Share
|
|
Aug 26
2024
|
G Patrick Lynch President and CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
10,488
+8.49%
|
$104,880
$10.05 P/Share
|
|
Aug 14
2024
|
Nancy E. Calderon Director |
BUY
Small Acquisition
|
Direct |
16
+0.25%
|
$192
$12.67 P/Share
|
|
Aug 01
2024
|
Richard Nigon Director |
SELL
Payment of exercise price or tax liability
|
Direct |
7,665
-16.81%
|
$99,645
$13.11 P/Share
|
|
Aug 01
2024
|
Richard Nigon Director |
BUY
Exercise of conversion of derivative security
|
Direct |
12,000
+20.83%
|
$120,000
$10.05 P/Share
|
|
Jul 31
2024
|
Konstantin Von Falkenhausen Director |
SELL
Payment of exercise price or tax liability
|
Direct |
6,081
-26.21%
|
$79,053
$13.22 P/Share
|
|
Jul 31
2024
|
Konstantin Von Falkenhausen Director |
BUY
Exercise of conversion of derivative security
|
Direct |
8,000
+25.64%
|
$80,000
$10.05 P/Share
|
|
Jul 15
2024
|
Matthew C Wolsfeld CFO and Corporate Secretary |
BUY
Exercise of conversion of derivative security
|
Direct |
7,752
+4.41%
|
$77,520
$10.05 P/Share
|
|
May 15
2024
|
Nancy E. Calderon Director |
BUY
Small Acquisition
|
Direct |
15
+0.24%
|
$210
$14.94 P/Share
|
|
Apr 23
2024
|
Sarah E. Kemp Director |
BUY
Open market or private purchase
|
Direct |
1,275
+18.12%
|
$19,125
$15.7 P/Share
|
|
Feb 14
2024
|
Nancy E. Calderon Director |
BUY
Small Acquisition
|
Direct |
16
+0.25%
|
$208
$13.55 P/Share
|
|
Nov 16
2023
|
Nancy E. Calderon Director |
BUY
Small Acquisition
|
Direct |
16
+0.25%
|
$192
$12.63 P/Share
|
|
Aug 28
2023
|
Konstantin Von Falkenhausen Director |
BUY
Exercise of conversion of derivative security
|
Direct |
8,000
+34.48%
|
$56,000
$7.35 P/Share
|
|
Aug 17
2023
|
Nancy E. Calderon Director |
BUY
Small Acquisition
|
Direct |
13
+0.42%
|
$169
$13.07 P/Share
|
|
Aug 17
2023
|
Sunggyu Lee Director |
SELL
Payment of exercise price or tax liability
|
Direct |
4,681
-58.51%
|
$56,172
$12.56 P/Share
|
|
Aug 17
2023
|
Sunggyu Lee Director |
BUY
Exercise of conversion of derivative security
|
Direct |
8,000
+50.0%
|
$56,000
$7.35 P/Share
|
|
Aug 14
2023
|
Nancy E. Calderon Director |
BUY
Open market or private purchase
|
Direct |
500
+14.04%
|
$6,500
$13.17 P/Share
|
|
Aug 08
2023
|
G Patrick Lynch President and CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
6,387
-5.87%
|
$83,031
$13.36 P/Share
|
|
Aug 08
2023
|
G Patrick Lynch President and CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
11,610
+9.63%
|
$81,270
$7.35 P/Share
|
|
Jul 27
2023
|
Richard Nigon Director |
SELL
Open market or private sale
|
Direct |
1,847
-5.21%
|
$22,164
$12.17 P/Share
|
|
Jul 26
2023
|
Richard Nigon Director |
SELL
Payment of exercise price or tax liability
|
Direct |
7,153
-16.79%
|
$85,836
$12.33 P/Share
|
|
Jul 26
2023
|
Richard Nigon Director |
BUY
Exercise of conversion of derivative security
|
Direct |
12,000
+21.98%
|
$84,000
$7.35 P/Share
|
|
Jul 11
2023
|
Matthew C Wolsfeld CFO and Corporate Secretary |
BUY
Exercise of conversion of derivative security
|
Direct |
8,582
+5.08%
|
$60,074
$7.35 P/Share
|
|
May 18
2023
|
Nancy E. Calderon Director |
BUY
Small Acquisition
|
Direct |
15
+0.48%
|
$165
$11.56 P/Share
|
|
Apr 18
2023
|
Sarah E. Kemp Director |
BUY
Open market or private purchase
|
Direct |
2,473
+35.54%
|
$29,676
$12.13 P/Share
|
|
Feb 21
2023
|
Nancy E. Calderon Director |
BUY
Small Acquisition
|
Direct |
13
+0.42%
|
$169
$13.17 P/Share
|
|
Jan 30
2023
|
Nancy E. Calderon Director |
BUY
Open market or private purchase
|
Direct |
500
+16.33%
|
$6,000
$12.92 P/Share
|
|
Nov 16
2022
|
Nancy E. Calderon Director |
BUY
Small Acquisition
|
Direct |
11
+0.36%
|
$132
$12.96 P/Share
|
|
Oct 14
2022
|
Konstantin Von Falkenhausen Director |
BUY
Exercise of conversion of derivative security
|
Direct |
6,000
+45.45%
|
$30,000
$5.12 P/Share
|
|
Oct 04
2022
|
Matthew C Wolsfeld CFO and Corporate Secretary |
SELL
Payment of exercise price or tax liability
|
Direct |
10,086
-6.23%
|
$131,118
$13.83 P/Share
|
|
Oct 04
2022
|
Matthew C Wolsfeld CFO and Corporate Secretary |
BUY
Exercise of conversion of derivative security
|
Direct |
27,218
+14.4%
|
$136,090
$5.12 P/Share
|
|
Oct 04
2022
|
G Patrick Lynch President and CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
13,645
-12.3%
|
$177,385
$13.83 P/Share
|
|
Oct 04
2022
|
G Patrick Lynch President and CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
36,824
+24.92%
|
$184,120
$5.12 P/Share
|
|
Sep 29
2022
|
Ramani Narayan Director |
BUY
Exercise of conversion of derivative security
|
Direct |
43,763
+10.96%
|
$350,104
$8.73 P/Share
|
|
Aug 18
2022
|
Nancy E. Calderon Director |
BUY
Small Acquisition
|
Direct |
12
+0.58%
|
$132
$11.39 P/Share
|