Northern Technologies
Ownership
Ownership Structure
Who owns Northern Technologies (NTIC)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 82.2% of the shares are freely tradable; institutional investors hold 35.4%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Needham Investment Management, LLC | 8.06 | 765,000 | +7.3 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.04 | 383,816 | +0.0 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 3.53 | 335,664 | +0.7 | 06/30/2026 |
| Meros Investment Management, LP | 2.17 | 206,259 | -2.9 | 03/31/2026 |
| Peapod Lane Capital LLC | 1.85 | 176,114 | +23.5 | 06/30/2026 |
| BALLAST ADVISORS LLC | 1.67 | 158,702 | -7.2 | 06/30/2026 |
| North Star Investment Management Corp | 1.56 | 148,000 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Needham Aggressive Growth Retail | 8.42 | 800,000 | +4.6 | 06/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.12 | 296,283 | +0.0 | 07/31/2026 |
| Perritt MicroCap Opportunities Investor | 1.60 | 151,784 | -0.8 | 12/31/2025 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Ramdas Gautam | President and CEO | 118,932 | 903,886 $ | Sep 4, 2026 | direct |
| Lynch G Patrick | President and CEO | 105,284 | 800,158 $ | Jul 30, 2026 | direct |
| Nigon Richard | Director | 54,574 | 414,762 $ | Sep 1, 2026 | direct |
| Kemp Sarah E. | Director | 22,458 | 170,684 $ | Sep 1, 2026 | direct |
| Calderon Nancy E. | Director | 20,940 | 159,141 $ | Sep 1, 2026 | direct |
| Pinho Cristina Lucia Duarte | Director | 16,698 | 126,905 $ | Sep 1, 2026 | direct |
| Lee Sunggyu | Director | 9,507 | 72,253 $ | Sep 1, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 4, 2026 | Ramdas Gautam | President and CEO | Other | 43,805 | 0.00 | – |
| Sep 1, 2026 | Pinho Cristina Lucia Duarte | Director | Other | 6,188 | 0.00 | – |
| Sep 1, 2026 | Kemp Sarah E. | Director | Other | 6,188 | 0.00 | – |
| Sep 1, 2026 | Calderon Nancy E. | Director | Other | 6,188 | 0.00 | – |
| Sep 1, 2026 | Lee Sunggyu | Director | Other | 6,188 | 0.00 | – |
| Sep 1, 2026 | Nigon Richard | Director | Other | 7,426 | 0.00 | – |
| Jul 30, 2026 | Lynch G Patrick | President and CEO | Sell | 16,070 | 8.00 | 128,507 |
| Jul 29, 2026 | Lynch G Patrick | President and CEO | Sell | 2 | 8.10 | 16 |
| Jul 29, 2026 | Lynch G Patrick | President and CEO | Other | 16,072 | 6.70 | 107,682 |
| Jul 20, 2026 | Nigon Richard | Director | Sell | 12,000 | 8.00 | 96,048 |
| Jul 20, 2026 | Nigon Richard | Director | Other | 12,000 | 6.70 | 80,400 |
| Feb 11, 2026 | Calderon Nancy E. | Director | Other | 3 | 8.66 | 26 |
| Feb 11, 2026 | Calderon Nancy E. | Director | Other | 2 | 8.66 | 17 |
| Nov 12, 2025 | Calderon Nancy E. | Director | Other | 3 | 8.12 | 24 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.