NTIC · Northern Technologies International Corp · Insider Trading
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Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.
| Date | Insider | Role | Type | Security | Shares |
|---|---|---|---|---|---|
| 2026-09-04 | Ramdas Gautam |
President and CEO |
Award↑
Filing footnotes — Common Stock (Direct)
These shares were issued as a stock award under the Northern Technologies International Corporation 2024 Stock Incentive Plan. |
Common Stock
|
43,805 |
| 2026-09-04 | Ramdas Gautam |
President and CEO |
Award↑
Filing footnotes — Stock Option (right to buy) (Direct)
This option vests with respect to 5,092 shares on September 4, 2027 and with respect to 5,093 shares on each of September 4, 2028 and September 4, 2029. |
Stock Option (right to buy)
|
15,278 |
| 2026-09-01 | LYNCH G PATRICK |
Director, President and CEO, 10% Owner |
Award↑
Filing footnotes — Stock Option (right to buy) (Direct)
This option vests with respect to 13,419 shares on each of September 1, 2027, September 1, 2028, and September 1, 2029. |
Stock Option (right to buy)
|
40,257 |
| 2026-09-01 | von Falkenhausen Konstantin |
Director |
Award↑
|
Stock Option (right to buy)
|
15,044 |
| 2026-09-01 | Lee Sunggyu |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
These shares will vest on September 1, 2027 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. Includes 6,188 shares issuable upon vesting and settlement of restricted stock units. |
Common Stock
|
6,188 |
| 2026-09-01 | NIGON RICHARD |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
These shares will vest on September 1, 2027 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. Includes 7,426 shares issuable upon vesting and settlement of restricted stock units. |
Common Stock
|
7,426 |
| 2026-09-01 | Calderon Nancy E. |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
These shares will vest on September 1, 2027 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. Includes 6,188 shares issuable upon vesting and settlement of restricted stock units and 51.5901 shares held in the Reporting Person's IRA. |
Common Stock
|
6,188 |
| 2026-09-01 | WOLSFELD MATTHEW C |
CFO and Corporate Secretary |
Award↑
Filing footnotes — Stock Option (right to buy) (Direct)
This option vests with respect to 9,919 shares on September 1, 2027, and with respect to 9,918 shares on each of September 1, 2028 and September 1, 2029. |
Stock Option (right to buy)
|
29,755 |
| 2026-09-01 | Pinho Cristina Lucia Duarte |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
These shares will vest on September 1, 2027 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. Includes 6,188 shares issuable upon vesting and settlement of restricted stock units. |
Common Stock
|
6,188 |
| 2026-09-01 | Narayan Ramani |
Director |
Award↑
|
Stock Option (right to buy)
|
15,044 |
| 2026-09-01 | Kemp Sarah E. |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
These shares will vest on September 1, 2027 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. Includes 6,188 shares issuable upon vesting and settlement of restricted stock units. |
Common Stock
|
6,188 |
| 2026-07-30 | LYNCH G PATRICK |
Director, President and CEO, 10% Owner |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.95 to $8.05, inclusive. The reporting person undertakes to provide to Northern Technologies International Corporation (NTIC), any security holder of NTIC, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4. |
Common Stock
|
16,070 |
| 2026-07-29 | LYNCH G PATRICK |
Director, President and CEO, 10% Owner |
Convert↑
|
Common Stock
|
16,072 |
| 2026-07-29 | LYNCH G PATRICK |
Director, President and CEO, 10% Owner |
Convert↓
Filing footnotes — Stock Option (right to buy) (Direct)
This option has fully vested. |
Stock Option (right to buy)
|
16,072 |
| 2026-07-29 | LYNCH G PATRICK |
Director, President and CEO, 10% Owner |
Sell↓
|
Common Stock
|
2 |
| 2026-07-20 | NIGON RICHARD |
Director |
Convert↓
Filing footnotes — Stock Option (right to buy) (Direct)
This option has fully vested. |
Stock Option (right to buy)
|
12,000 |
| 2026-07-20 | NIGON RICHARD |
Director |
Convert↑
|
Common Stock
|
12,000 |
| 2026-07-20 | NIGON RICHARD |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.00 to $8.04, inclusive. The reporting person undertakes to provide to Northern Technologies International Corporation (NTIC), any security holder of NTIC, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4. |
Common Stock
|
12,000 |
| 2026-07-01 | WOLSFELD MATTHEW C |
CFO and Corporate Secretary |
Tax↓
|
Common Stock
|
9,169 |
| 2026-07-01 | WOLSFELD MATTHEW C |
CFO and Corporate Secretary |
Convert↓
Filing footnotes — Stock Option (right to buy) (Direct)
This option has fully vested. |
Stock Option (right to buy)
|
11,879 |
| 2026-07-01 | WOLSFELD MATTHEW C |
CFO and Corporate Secretary |
Convert↑
|
Common Stock
|
11,879 |
| 2026-02-11 | Calderon Nancy E. |
Director |
Other↑
|
Common Stock
|
2 |
| 2026-02-11 | Calderon Nancy E. |
Director |
Other↑
|
Common Stock
|
2 |
| 2025-11-12 | Calderon Nancy E. |
Director |
Other↑
|
Common Stock
|
2 |
| 2025-11-12 | Calderon Nancy E. |
Director |
Other↑
|
Common Stock
|
2 |
| 2025-09-01 | von Falkenhausen Konstantin |
Director |
Award↑
|
Stock Option (right to buy)
|
16,287 |
| 2025-09-01 | Kemp Sarah E. |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
These shares will vest on September 1, 2026 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. Includes 6,739 shares issuable upon vesting and settlement of restricted stock units. |
Common Stock
|
6,739 |
| 2025-09-01 | LYNCH G PATRICK |
Director, President and CEO, 10% Owner |
Award↑
Filing footnotes — Stock Option (right to buy) (Direct)
This option vests with respect to 14,684 shares on each of September 1, 2026 and September 1, 2027 and with respect to 14,683 shares on September 1, 2028. |
Stock Option (right to buy)
|
44,051 |
| 2025-09-01 | NIGON RICHARD |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
These shares will vest on September 1, 2026 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. Includes 8,086 shares issuable upon vesting and settlement of restricted stock units. |
Common Stock
|
8,086 |
| 2025-09-01 | WOLSFELD MATTHEW C |
CFO and Corporate Secretary |
Award↑
Filing footnotes — Stock Option (right to buy) (Direct)
This option vests with respect to 10,853 shares on each of September 1, 2026, September 1, 2027, and September 1, 2028. |
Stock Option (right to buy)
|
32,559 |
| 2025-09-01 | Lee Sunggyu |
Director |
Award↑
|
Stock Option (right to buy)
|
16,287 |
| 2025-09-01 | Pinho Cristina Lucia Duarte |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
These shares will vest on September 1, 2026 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. Includes 6,739 shares issuable upon vesting and settlement of restricted stock units. |
Common Stock
|
6,739 |
| 2025-09-01 | Calderon Nancy E. |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
These shares will vest on September 1, 2026 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. Includes 6,739 shares issuable upon vesting and settlement of restricted stock units and 46.7041 shares held in the Reporting Person's IRA. |
Common Stock
|
6,739 |
| 2025-09-01 | Narayan Ramani |
Director |
Award↑
|
Stock Option (right to buy)
|
16,287 |
| 2025-08-13 | Calderon Nancy E. |
Director |
Other↑
|
Common Stock
|
2 |
| 2025-08-13 | Calderon Nancy E. |
Director |
Other↑
|
Common Stock
|
2 |
| 2025-07-24 | NIGON RICHARD |
Director |
Convert↑
|
Common Stock
|
12,000 |
| 2025-07-24 | NIGON RICHARD |
Director |
Convert↓
Filing footnotes — Stock Option (right to buy) (Direct)
This option has fully vested. |
Stock Option (right to buy)
|
12,000 |
| 2025-07-24 | NIGON RICHARD |
Director |
Tax↓
|
Common Stock
|
10,873 |
| 2025-05-14 | Calderon Nancy E. |
Director |
Other↑
|
Common Stock
|
2 |
| 2025-05-14 | Calderon Nancy E. |
Director |
Other↑
|
Common Stock
|
2 |
| 2025-05-06 | von Falkenhausen Konstantin |
Director |
Buy↑
|
Common Stock
|
1,100 |
| 2025-04-25 | Calderon Nancy E. |
Director |
Buy↑
Filing footnotes — Common Stock (Direct)
Includes 3,771 shares issuable upon vesting and settlement of restricted stock units and 29.4244 shares held in the Reporting Persons IRA. |
Common Stock
|
1,000 |
| 2025-02-12 | Calderon Nancy E. |
Director |
Other↑
|
Common Stock
|
6 |
| 2025-02-12 | Calderon Nancy E. |
Director |
Other↑
|
Common Stock
|
13 |
| 2024-11-13 | Calderon Nancy E. |
Director |
Other↑
|
Common Stock
|
5 |
| 2024-11-13 | Calderon Nancy E. |
Director |
Other↑
|
Common Stock
|
11 |
| 2024-09-01 | Kemp Sarah E. |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
These shares will vest on September 1, 2025 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. Includes 3,771 shares issuable upon vesting and settlement of restricted stock units. |
Common Stock
|
3,771 |
| 2024-09-01 | Pinho Cristina Lucia Duarte |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
These shares will vest on September 1, 2025 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. Includes 3,771 shares issuable upon vesting and settlement of restricted stock units. |
Common Stock
|
3,771 |
| 2024-09-01 | WOLSFELD MATTHEW C |
CFO and Corporate Secretary |
Award↑
Filing footnotes — Stock Option (right to buy) (Direct)
This option vests with respect to 11,052 shares on each of September 1, 2025, September 1, 2026, and September 1, 2027. |
Stock Option (right to buy)
|
33,156 |