NTIC
Northern Technologies International Corporation
NASDAQ · Basic Materials · Chemicals - Specialty · US
$7.99
−0.49%0
Insider buys (3m)
3
Insider sells (3m)
-$224.6K
Net value (3m)
-1.2%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Sep 3, 2026 | Narayan Ramani · director | A-Award | 15,044 | $8.08 |
| Sep 3, 2026 | von Falkenhausen Konstantin · director | A-Award | 15,044 | $8.08 |
| Sep 3, 2026 | Kemp Sarah E. · director | A-Award | 6,188 | $0.00 |
| Sep 3, 2026 | Lee Sunggyu · director | A-Award | 6,188 | $0.00 |
| Sep 3, 2026 | Pinho Cristina Lucia Duarte · director | A-Award | 6,188 | $0.00 |
| Sep 3, 2026 | WOLSFELD MATTHEW C · officer: CFO and Corporate Secretary | A-Award | 29,755 | $8.08 |
| Sep 3, 2026 | Calderon Nancy E. · director | A-Award | 6,188 | $0.00 |
| Sep 3, 2026 | NIGON RICHARD · director | A-Award | 7,426 | $0.00 |
| Jul 31, 2026 | LYNCH G PATRICK · director, 10 percent owner, officer: President and CEO | M-Exempt | 16,072 | $6.70 |
| Jul 31, 2026 | LYNCH G PATRICK · director, 10 percent owner, officer: President and CEO | Sale | 16,070 | $8.00 |
| Jul 31, 2026 | LYNCH G PATRICK · director, 10 percent owner, officer: President and CEO | Sale | 2 | $8.10 |
| Jul 21, 2026 | NIGON RICHARD · director | M-Exempt | 12,000 | $6.70 |
| Jul 21, 2026 | NIGON RICHARD · director | Sale | 12,000 | $8.00 |
| Jul 2, 2026 | WOLSFELD MATTHEW C · officer: CFO and Corporate Secretary | M-Exempt | 11,879 | $6.70 |
| Jul 2, 2026 | WOLSFELD MATTHEW C · officer: CFO and Corporate Secretary | F-InKind | 9,169 | $8.68 |
| Sep 3, 2025 | Kemp Sarah E. · director | A-Award | 6,739 | $0.00 |
| Sep 3, 2025 | von Falkenhausen Konstantin · director | A-Award | 16,287 | $7.42 |
| Sep 3, 2025 | NIGON RICHARD · director | A-Award | 8,086 | $0.00 |
| Sep 3, 2025 | LYNCH G PATRICK · director, 10 percent owner, officer: President and CEO | A-Award | 44,051 | $7.42 |
| Sep 3, 2025 | WOLSFELD MATTHEW C · officer: CFO and Corporate Secretary | A-Award | 32,559 | $7.42 |
| Sep 3, 2025 | Narayan Ramani · director | A-Award | 16,287 | $7.42 |
| Sep 3, 2025 | Calderon Nancy E. · director | A-Award | 6,739 | $0.00 |
| Sep 3, 2025 | Lee Sunggyu · director | A-Award | 16,287 | $7.42 |
| Sep 3, 2025 | Pinho Cristina Lucia Duarte · director | A-Award | 6,739 | $0.00 |
| Jul 28, 2025 | NIGON RICHARD · director | M-Exempt | 12,000 | $7.43 |
| Jul 28, 2025 | NIGON RICHARD · director | F-InKind | 10,873 | $8.20 |
| May 6, 2025 | von Falkenhausen Konstantin · director | Purchase | 1,100 | $7.23 |
| Apr 28, 2025 | Calderon Nancy E. · director | Purchase | 1,000 | $7.45 |
| Sep 4, 2024 | WOLSFELD MATTHEW C · officer: CFO and Corporate Secretary | A-Award | 33,156 | $13 |
| Sep 4, 2024 | Kemp Sarah E. · director | A-Award | 3,771 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 8Increased 7Reduced 16Sold out 47
| Filer | Action | Shares | Filed |
|---|---|---|---|
| NEEDHAM INVESTMENT MANAGEMENT LLC | Increased | 765,000 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 383,816 | May 15, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 333,368 | May 7, 2026 |
| MEROS INVESTMENT MANAGEMENT, LP | Reduced | 206,259 | May 14, 2026 |
| BALLAST ADVISORS LLC | Unchanged | 171,047 | Jun 23, 2026 |
| NORTH STAR INVESTMENT MANAGEMENT CORP. | New Position | 148,000 | Apr 23, 2026 |
| PEAPOD LANE CAPITAL LLC | Increased | 142,642 | May 4, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 118,777 | May 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 91,542 | May 15, 2026 |
| DYNAMIC ADVISOR SOLUTIONS LLC | Increased | 88,077 | Apr 8, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | Increased | 70,384 | May 13, 2026 |
| DIAMOND HILL CAPITAL MANAGEMENT INC | Reduced | 63,625 | May 7, 2026 |
| RBF CAPITAL, LLC | Reduced | 59,590 | May 18, 2026 |
| MILLENNIUM MANAGEMENT LLC | Reduced | 45,134 | May 15, 2026 |
| VANGUARD FIDUCIARY TRUST CO | New Position | 44,164 | May 8, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 3, 2026