Northern Technologies International Corporation (NTIC) has 20 known insider and institutional holders on record. The largest holder is INTER ALIA HOLDING CO with 602,284 shares. Other notable holders include NIGON RICHARD and LYNCH G PATRICK.
Over the last 12 months, insiders have made 16 transactions in NTIC stock — 15 buys (valued at $946.58K) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
NTIC Insider Ownership
Top Holder
INTER ALIA HOLDING CO
602,284 shares
Buys (12 mo)
15
$946.58K value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Inter Alia Holding Co |
10 Percent Owner |
602,284 |
2011-09-14 |
|
| 2 |
Nigon Richard |
Director |
47,148 |
2025-09-03 |
|
| 3 |
Lynch G Patrick |
10 Percent Owner, Officer: President and CEO |
44,051 |
2025-09-03 |
|
| 4 |
Wolsfeld Matthew C |
CFO and Corporate Secretary |
32,559 |
2025-09-03 |
|
| 5 |
Lee Sunggyu |
Director |
16,287 |
2025-09-03 |
|
| 6 |
Narayan Ramani |
Director |
16,287 |
2025-09-03 |
|
| 7 |
Von Falkenhausen Konstantin |
Director |
16,287 |
2025-09-03 |
|
| 8 |
Kemp Sarah E. |
Director |
16,270 |
2025-09-03 |
|
| 9 |
Keong Koh Soo |
Director |
16,026 |
2020-09-02 |
|
| 10 |
Pinho Cristina Lucia Duarte |
Director |
10,510 |
2025-09-03 |
|
| 11 |
Lynch Philip M |
Director |
10,000 |
2004-09-01 |
|
| 12 |
Stone Mark J |
Director |
9,900 |
2012-03-01 |
|
| 13 |
Taylor Stephan C |
Director |
9,000 |
2004-09-01 |
|
| 14 |
Calderon Nancy E. |
Director |
7,960 |
2025-09-03 |
|
| 15 |
Gencer Mehmet |
Director |
7,000 |
2004-09-01 |
|
| 16 |
Kiel Dixon Ursela |
Director |
7,000 |
2003-09-25 |
|
| 17 |
Chenu Pierre |
Director |
4,500 |
2013-11-26 |
|
| 18 |
Frank Tilman Bernhard |
Director |
4,000 |
2010-09-03 |
|
| 19 |
Kubik Donald A |
Director |
4,000 |
2009-09-01 |
|
| 20 |
Mayers Mark M |
Director |
4,000 |
2009-09-01 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2025-09-01 |
Pinho Cristina Lucia Duarte |
Director |
RSU Award |
6,739 |
- |
- |
| 2025-09-01 |
Kemp Sarah E. |
Director |
RSU Award |
6,739 |
- |
- |
| 2025-09-01 |
Calderon Nancy E. |
Director |
RSU Award |
6,739 |
- |
- |
| 2025-08-13 |
Calderon Nancy E. |
Director |
Small Transaction |
3 |
$7.72 |
$23.16 |
| 2025-05-14 |
Calderon Nancy E. |
Director |
Small Transaction |
3 |
$7.35 |
$22.05 |
| 2025-02-12 |
Calderon Nancy E. |
Director |
Small Transaction |
6 |
$11.26 |
$67.56 |
| 2024-11-13 |
Calderon Nancy E. |
Director |
Small Transaction |
5 |
$13.29 |
$66.45 |
| 2025-09-01 |
Von Falkenhausen Konstantin |
Director |
RSU Award |
16,287 |
$7.42 |
$120.85K |
| 2025-09-01 |
Narayan Ramani |
Director |
RSU Award |
16,287 |
$7.42 |
$120.85K |
| 2025-09-01 |
Lee Sunggyu |
Director |
RSU Award |
16,287 |
$7.42 |
$120.85K |
| 2025-09-01 |
Wolsfeld Matthew C |
CFO and Corporate Secretary |
RSU Award |
32,559 |
$7.42 |
$241.59K |
| 2025-09-01 |
Lynch G Patrick |
10 Percent Owner, Officer: President and CEO |
RSU Award |
44,051 |
$7.42 |
$326.86K |
| 2025-09-01 |
Nigon Richard |
Director |
RSU Award |
8,086 |
- |
- |
| 2025-07-24 |
Nigon Richard |
Director |
Option Exercise (Sell) |
12,000 |
$7.43 |
$89.16K |
| 2025-05-06 |
Von Falkenhausen Konstantin |
Director |
Informative Buy |
1,100 |
$7.23 |
$7.95K |
| 2025-04-25 |
Calderon Nancy E. |
Director |
Informative Buy |
1,000 |
$7.45 |
$7.45K |
