NTIC
NORTHERN TECHNOLOGIES INTERNATIONAL CORP
NASDAQ · Basic Materials · Chemicals - Specialty · US
$7.55
−4.55%0
Insider buys (3m)
3
Insider sells (3m)
-$224.6K
Net value (3m)
-5.8%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Sep 9, 2026 | Ramdas Gautam · officer: President and CEO | A-Award | 15,278 | $8.08 |
| Sep 9, 2026 | Ramdas Gautam · officer: President and CEO | A-Award | 43,805 | $0.00 |
| Sep 4, 2026 | LYNCH G PATRICK · director, 10 percent owner, officer: President and CEO | A-Award | 40,257 | $8.08 |
| Sep 3, 2026 | Lee Sunggyu · director | A-Award | 6,188 | $0.00 |
| Sep 3, 2026 | Kemp Sarah E. · director | A-Award | 6,188 | $0.00 |
| Sep 3, 2026 | NIGON RICHARD · director | A-Award | 7,426 | $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 | Pinho Cristina Lucia Duarte · director | A-Award | 6,188 | $0.00 |
| Sep 3, 2026 | von Falkenhausen Konstantin · director | A-Award | 15,044 | $8.08 |
| Sep 3, 2026 | Narayan Ramani · director | A-Award | 15,044 | $8.08 |
| 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 | M-Exempt | 16,072 | $6.70 |
| 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 | F-InKind | 9,169 | $8.68 |
| Jul 2, 2026 | WOLSFELD MATTHEW C · officer: CFO and Corporate Secretary | M-Exempt | 11,879 | $6.70 |
| 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 |
Institutional positioning
13F filings over the trailing two quarters
New 12Increased 16Reduced 24Sold out 8
| Filer | Action | Shares | Filed |
|---|---|---|---|
| NEEDHAM INVESTMENT MANAGEMENT LLC | Increased | 800,000 | Aug 14, 2026 |
| NEEDHAM INVESTMENT MANAGEMENT LLC | Increased | 765,000 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 393,279 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 383,816 | May 15, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 335,664 | Aug 11, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 333,368 | May 7, 2026 |
| MEROS INVESTMENT MANAGEMENT, LP | Reduced | 206,259 | May 14, 2026 |
| Peapod Lane Capital LLC | Increased | 176,114 | Jul 27, 2026 |
| BALLAST ADVISORS LLC | Unchanged | 171,047 | Jun 23, 2026 |
| BALLAST ADVISORS LLC | Reduced | 158,702 | Aug 12, 2026 |
| North Star Investment Management Corp. | Unchanged | 148,000 | Jul 28, 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 | Increased | 122,577 | Aug 13, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 118,777 | May 14, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 9, 2026