CIK 0000875582 · Non-accelerated filer<br>Smaller reporting company
NORTHERN TECHNOLOGIES INTERNATIONAL CORP
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- NTIC
- Exchange
- Nasdaq
- Industry
- Coating, Engraving & Allied Services
- FY end
- Aug 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 410857886
- Phone
- (763) 225-6601
- Business address
- 4201 WOODLAND ROAD, PO BOX 69, CIRCLE PINES, MN, 55014
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-05-14 | Calderon Nancy E. Director | Other acquisition | +2.97 | $7.35 | $22 | 7,996.95 |
| 2025-05-06 | von Falkenhausen Konstantin Director | Purchase | +1,100 | $7.23 | $8K | 18,219 |
| 2025-04-25 | Calderon Nancy E. Director | Purchase | +1,000 | $7.45 | $7K | 7,954.46 |
| 2025-02-12 | Calderon Nancy E. Director | Other acquisition | +6.43 | $11.26 | $72 | 7,977.7 |
| 2025-02-12 | Calderon Nancy E. Director | Other acquisition | +13.5 | $11.26 | $152 | 7,991.2 |
| 2024-11-13 | Calderon Nancy E. Director | Other acquisition | +5.42 | $13.29 | $72 | 7,959.89 |
| 2024-11-13 | Calderon Nancy E. Director | Other acquisition | +11.38 | $13.29 | $151 | 7,971.26 |
| 2024-09-01 | Pinho Cristina Lucia Duarte Director | Grant or award | +3,771 | 3,771 | ||
| 2024-09-01 | Lee Sunggyu Director | Grant or award · Stock Option (right to buy) | +9,843 | 9,843 | ||
| 2024-09-01 | Narayan Ramani Director | Grant or award · Stock Option (right to buy) | +9,843 | 9,843 | ||
| 2024-09-01 | von Falkenhausen Konstantin Director | Grant or award · Stock Option (right to buy) | +9,843 | 9,843 | ||
| 2024-09-01 | WOLSFELD MATTHEW C CFO and Corporate Secretary | Grant or award · Stock Option (right to buy) | +33,156 | 33,156 | ||
| 2024-09-01 | Calderon Nancy E. Director | Grant or award | +3,771 | 6,954.46 | ||
| 2024-09-01 | LYNCH G PATRICK President & CEO | Grant or award · Stock Option (right to buy) | +44,858 | 44,858 | ||
| 2024-09-01 | NIGON RICHARD Director | Grant or award · Stock Option (right to buy) | +11,811 | 11,811 | ||
| 2024-09-01 | Kemp Sarah E. Director | Grant or award | +3,771 | 9,531.37 | ||
| 2024-08-26 | LYNCH G PATRICK President and CEO | Option exercise | +10,488 | $10.05 | $105K | 112,994 |
| 2024-08-26 | LYNCH G PATRICK President and CEO | Shares withheld for taxes | −7,710 | $13.67 | $105K | 105,284 |
| 2024-08-26 | LYNCH G PATRICK President and CEO | Option exercise · Stock Option (right to buy) | −10,488 | 0 | ||
| 2024-08-14 | Calderon Nancy E. Director | Other acquisition | +5.97 | $11.99 | $72 | 3,172.19 |
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