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 |
|---|---|---|---|---|---|---|
| 2026-09-04 | Ramdas Gautam President and CEO | Grant or award | +43,805 | 118,932.41 | ||
| 2026-09-04 | Ramdas Gautam President and CEO | Grant or award · Stock Option (right to buy) | +15,278 | 15,278 | ||
| 2026-09-01 | LYNCH G PATRICK President and CEO | Grant or award · Stock Option (right to buy) | +40,257 | 40,257 | ||
| 2026-09-01 | Pinho Cristina Lucia Duarte Director | Grant or award | +6,188 | 16,698 | ||
| 2026-09-01 | Kemp Sarah E. Director | Grant or award | +6,188 | 22,458.37 | ||
| 2026-09-01 | Calderon Nancy E. Director | Grant or award | +6,188 | 20,939.54 | ||
| 2026-09-01 | von Falkenhausen Konstantin Director | Grant or award · Stock Option (right to buy) | +15,044 | 15,044 | ||
| 2026-09-01 | Narayan Ramani Director | Grant or award · Stock Option (right to buy) | +15,044 | 15,044 | ||
| 2026-09-01 | Lee Sunggyu Director | Grant or award | +6,188 | 9,507 | ||
| 2026-09-01 | WOLSFELD MATTHEW C CFO and Corporate Secretary | Grant or award · Stock Option (right to buy) | +29,755 | 29,755 | ||
| 2026-09-01 | NIGON RICHARD Director | Grant or award | +7,426 | 54,574 | ||
| 2026-07-30 | LYNCH G PATRICK President and CEO | Sale | −16,070 | $8.00 | $129K | 105,284 |
| 2026-07-29 | LYNCH G PATRICK President and CEO | Option exercise | +16,072 | $6.70 | $108K | 121,356 |
| 2026-07-29 | LYNCH G PATRICK President and CEO | Sale | −2 | $8.10 | $16 | 121,354 |
| 2026-07-29 | LYNCH G PATRICK President and CEO | Option exercise · Stock Option (right to buy) | −16,072 | 0 | ||
| 2026-07-20 | NIGON RICHARD Director | Option exercise | +12,000 | $6.70 | $80K | 59,148 |
| 2026-07-20 | NIGON RICHARD Director | Sale | −12,000 | $8.00 | $96K | 47,148 |
| 2026-07-20 | NIGON RICHARD Director | Option exercise · Stock Option (right to buy) | −12,000 | 0 | ||
| 2026-07-01 | WOLSFELD MATTHEW C CFO and Corporate Secretary | Option exercise | +11,879 | $6.70 | $80K | 180,135 |
| 2026-07-01 | WOLSFELD MATTHEW C CFO and Corporate Secretary | Shares withheld for taxes | −9,169 | $8.68 | $80K | 170,966 |
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