NTICNasdaqCoating, Engraving & Allied ServicesFiscal year ends August 31
NORTHERN TECHNOLOGIES INTERNATIONAL CORP
Financials through Q3 FY2026, quarter ended May 31, 2026Last filing: 10-Q on Jul 9, 2026
$7.72+0.01 (+0.13%)
Close on Oct 19, 2026
- Market cap
- $73.31M
- P/E (TTM)
- –
- Dividend yield
- 2.07%
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
29.9%
3M of 9M shares
Institutional holders
44
5 new, 7 sold out
Net institutional buying
-0M
In Q2 2026
Insider trades, 12 months
0 buys · 3 sales
Net sold $224.58K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| George A. Needham | 765,000 | 8.10% | 13G (passive) amendment | Mar 31, 2026 |
| Needham Investment Management L.L.C. | 640,000 | 6.80% | 13G (passive) amendment | Sep 30, 2025 |
| G. Patrick Lynch | 1,550,190 | 16.40% | 13D (active) amendment | Aug 26, 2024 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of NTIC | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Needham Investment Management LLC | 800,000 | 8.42% | $6.85M | +35,000 | 0.21% |
| Vanguard Capital Management LLC | 393,279 | 4.14% | $3.37M | +9,463 | 0.00% |
| Dimensional Fund Advisors LP | 335,664 | 3.53% | $2.87M | +2,296 | 0.00% |
| Peapod Lane Capital LLC | 176,114 | 1.85% | $1.51M | +33,472 | 1.02% |
| Ballast Advisors LLC | 158,702 | 1.67% | $1.36M | −12,345 | 0.32% |
| North Star Investment Management Corp. | 148,000 | 1.56% | $1.27M | – | 0.07% |
| Renaissance Technologies LLC | 122,577 | 1.29% | $1.05M | +3,800 | 0.00% |
| Dynamic Advisor Solutions LLC | 91,695 | 0.97% | $784.91K | +3,618 | 0.02% |
| Geode Capital Management, LLC | 89,037 | 0.94% | $762.61K | −2,505 | 0.00% |
| Acadian Asset Management LLC | 70,384 | 0.74% | $601 | – | 0.00% |
| RBF Capital, LLC | 59,590 | 0.63% | $510.09K | – | 0.02% |
| BlackRock, Inc. | 48,268 | 0.51% | $413.17K | +7,452 | 0.00% |
| Vanguard Fiduciary Trust Co | 44,482 | 0.47% | $380.77K | +318 | 0.00% |
| Arrowstreet Capital, Limited Partnership | 43,212 | 0.46% | $369.90K | – | 0.00% |
| Millennium Management LLC | 39,287 | 0.41% | $336.30K | −5,847 | 0.00% |
| State Street Corp | 25,681 | 0.27% | $219.83K | – | 0.00% |
| Navellier & Associates Inc | 25,000 | 0.26% | $214.00K | – | 0.02% |
| PNC Financial Services Group, Inc. | 24,000 | 0.25% | $205.44K | – | 0.00% |
| Marquette Asset Management, LLC | 23,853 | 0.25% | $204.18K | New | 0.03% |
| Sentinus, LLC | 18,647 | 0.20% | $159.62K | – | 0.01% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 44 | 3M | 29.9% | 5 / 9 | 8 / 7 | 0M | 0M |
| Q1 2026 | 47 | 3M | 32.1% | 7 / 7 | 16 / 7 | 1M | 0M |
| Q4 2025 | 49 | 3M | 35.4% | 3 / 10 | 19 / 7 | 0M | 0M |
| Q3 2025 | 53 | 3M | 33.3% | 6 / 9 | 24 / 13 | 0M | 0M |
| Q2 2025 | 60 | 3M | 33.7% | 12 / 23 | 18 / 22 | 0M | 1M |
| Q1 2025 | 70 | 4M | 39.0% | 8 / 17 | 28 / 3 | 0M | 0M |
| Q4 2024 | 66 | 4M | 40.7% | 4 / 22 | 23 / 4 | 0M | 0M |
| Q3 2024 | 66 | 4M | 41.3% | 12 / 19 | 17 / 13 | 1M | 0M |
| Q2 2024 | 69 | 4M | 41.8% | 34 / 17 | 10 / 4 | 1M | 1M |
| Q1 2024 | 39 | 3M | 34.7% | 5 / 11 | 9 / 7 | 0M | 0M |
| Q4 2023 | 41 | 3M | 32.8% | 2 / 17 | 7 / 3 | 0M | 0M |
| Q3 2023 | 42 | 3M | 31.3% | 8 / 11 | 12 / 4 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of NTIC | Value | % of fund | As of |
|---|---|---|---|---|---|
| Needham Aggressive Growth Fund | 800,000 | 8.42% | $6.85M | 0.26% | Jun 30, 2026 |
| Vanguard Total Stock Market Index Fund | 296,283 | 3.12% | $2.54M | 0.00% | Jun 30, 2026 |
| North Star Micro Cap Fund | 148,000 | 1.56% | $1.18M | 0.64% | May 31, 2026 |
| Vanguard Extended Market Index Fund | 87,679 | 0.92% | $750.53K | 0.00% | Jun 30, 2026 |
| U.S. Micro Cap Portfolio | 62,762 | 0.66% | $503.35K | 0.01% | Jul 31, 2026 |
| Dimensional U.S. Targeted Value ETF | 46,830 | 0.49% | $375.58K | 0.00% | Jul 31, 2026 |
| U.S. Targeted Value Portfolio | 42,924 | 0.45% | $344.25K | 0.00% | Jul 31, 2026 |
| U.S. Small Cap Portfolio | 41,167 | 0.43% | $330.16K | 0.00% | Jul 31, 2026 |
| Fidelity Extended Market Index Fund | 40,943 | 0.43% | $327.54K | 0.00% | May 31, 2026 |
| Dimensional U.S. Small Cap ETF | 29,340 | 0.31% | $235.31K | 0.00% | Jul 31, 2026 |
| iShares Micro-Cap ETF | 26,674 | 0.28% | $228.33K | 0.02% | Jun 30, 2026 |
| U.S. Core Equity 2 Portfolio | 21,837 | 0.23% | $175.13K | 0.00% | Jul 31, 2026 |
| Dimensional U.S. Core Equity 2 ETF | 16,161 | 0.17% | $129.61K | 0.00% | Jul 31, 2026 |
| Fidelity Total Market Index Fund | 15,743 | 0.17% | $125.94K | 0.00% | May 31, 2026 |
| U.S. Core Equity 1 Portfolio | 15,000 | 0.16% | $120.30K | 0.00% | Jul 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| G. Patrick Lynch | President and CEO, Director, 10% owner | 1,308,618 | 13.78% | Sep 4, 2026 |
| Gautam Ramdas | President and CEO | 118,932 | 1.25% | Sep 9, 2026 |
| Brian James Haglund | Chief Operating Officer | 1,589 | 0.02% | Sep 9, 2026 |
| Matthew C. Wolsfeld | CFO and Corporate Secretary | 170,966 | 1.80% | Sep 3, 2026 |
| Cristina Lucia Duarte Pinho | Director | 16,698 | 0.18% | Sep 3, 2026 |
| Sarah E. Kemp | Director | 22,458 | 0.24% | Sep 3, 2026 |
| Ramani Narayan | Director | 106,763 | 1.12% | Sep 3, 2026 |
| Nancy E. Calderon | Director | 20,940 | 0.22% | Sep 3, 2026 |
| Richard Nigon | Director | 54,574 | 0.57% | Sep 3, 2026 |
| Falkenhausen Konstantin von | Director | 18,219 | 0.19% | Sep 3, 2026 |
| Sunggyu Lee | Director | 9,507 | 0.10% | Sep 3, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Gautam Ramdas President and CEO | Sep 4, 2026 | Award | +43,805 | – | – | 118,932 |
| Nancy E. Calderon Director | Sep 1, 2026 | Award | +6,188 | – | – | 20,940 |
| Sarah E. Kemp Director | Sep 1, 2026 | Award | +6,188 | – | – | 22,458 |
| Cristina Lucia Duarte Pinho Director | Sep 1, 2026 | Award | +6,188 | – | – | 16,698 |
| Sunggyu Lee Director | Sep 1, 2026 | Award | +6,188 | – | – | 9,507 |
| Richard Nigon Director | Sep 1, 2026 | Award | +7,426 | – | – | 54,574 |
| G. Patrick Lynch President and CEO, Director, 10% owner | Jul 30, 2026 | Sale | −16,070 | $8.00 | $128.56K | 105,284 |
| G. Patrick Lynch President and CEO, Director, 10% owner | Jul 29, 2026 | Option exercise | +16,072 | $6.70 | $107.68K | 121,356 |
| G. Patrick Lynch President and CEO, Director, 10% owner | Jul 29, 2026 | Sale | −2 | $8.10 | $16 | 121,354 |
| Richard Nigon Director | Jul 20, 2026 | Sale | −12,000 | $8.00 | $96.00K | 47,148 |
| Richard Nigon Director | Jul 20, 2026 | Option exercise | +12,000 | $6.70 | $80.40K | 59,148 |
| Matthew C. Wolsfeld CFO and Corporate Secretary | Jul 1, 2026 | Tax withholding | −9,169 | $8.68 | $79.59K | 170,966 |
| Matthew C. Wolsfeld CFO and Corporate Secretary | Jul 1, 2026 | Option exercise | +11,879 | $6.70 | $79.59K | 180,135 |
| Nancy E. Calderon Director | Feb 11, 2026 | Small purchase | +2.37 | $8.66 | $21 | 14,749 |
| Nancy E. Calderon Director | Feb 11, 2026 | Small purchase | +2.53 | $8.66 | $22 | 14,752 |
| Nancy E. Calderon Director | Nov 12, 2025 | Small purchase | +2.52 | $8.12 | $20 | 14,744 |
| Nancy E. Calderon Director | Nov 12, 2025 | Small purchase | +2.7 | $8.12 | $22 | 14,747 |
| Sarah E. Kemp Director | Sep 1, 2025 | Award | +6,739 | – | – | 16,270 |
| Nancy E. Calderon Director | Sep 1, 2025 | Award | +6,739 | – | – | 14,741 |
| Cristina Lucia Duarte Pinho Director | Sep 1, 2025 | Award | +6,739 | – | – | 10,510 |
| Richard Nigon Director | Sep 1, 2025 | Award | +8,086 | – | – | 47,148 |
| Nancy E. Calderon Director | Aug 13, 2025 | Small purchase | +2.65 | $7.72 | $20 | 8,000 |
| Nancy E. Calderon Director | Aug 13, 2025 | Small purchase | +2.83 | $7.72 | $22 | 8,002 |
| Richard Nigon Director | Jul 24, 2025 | Tax withholding | −10,873 | $8.20 | $89.16K | 39,062 |
| Richard Nigon Director | Jul 24, 2025 | Option exercise | +12,000 | $7.43 | $89.16K | 49,935 |
| Nancy E. Calderon Director | May 14, 2025 | Small purchase | +2.78 | $7.35 | $20 | 7,994 |
| Nancy E. Calderon Director | May 14, 2025 | Small purchase | +2.97 | $7.35 | $22 | 7,997 |
| Falkenhausen Konstantin von Director | May 6, 2025 | Buy | +1,100 | $7.23 | $7.95K | 18,219 |
| Nancy E. Calderon Director | Apr 25, 2025 | Buy | +1,000 | $7.45 | $7.45K | 7,954 |
| Nancy E. Calderon Director | Feb 12, 2025 | Small purchase | +6.43 | $11.26 | $72 | 7,978 |
| Nancy E. Calderon Director | Feb 12, 2025 | Small purchase | +13.5 | $11.26 | $152 | 7,991 |
| Nancy E. Calderon Director | Nov 13, 2024 | Small purchase | +5.42 | $13.29 | $72 | 7,960 |
| Nancy E. Calderon Director | Nov 13, 2024 | Small purchase | +11.38 | $13.29 | $151 | 7,971 |
| Cristina Lucia Duarte Pinho Director | Sep 1, 2024 | Award | +3,771 | – | – | 3,771 |
| Nancy E. Calderon Director | Sep 1, 2024 | Award | +3,771 | – | – | 6,954 |
| Sarah E. Kemp Director | Sep 1, 2024 | Award | +3,771 | – | – | 9,531 |
| G. Patrick Lynch President and CEO, Director, 10% owner | Aug 26, 2024 | Option exercise | +10,488 | $10.05 | $105.40K | 112,994 |
| G. Patrick Lynch President and CEO, Director, 10% owner | Aug 26, 2024 | Tax withholding | −7,710 | $13.67 | $105.40K | 105,284 |
| Nancy E. Calderon Director | Aug 14, 2024 | Small purchase | +11.27 | $13.34 | $150 | 3,183 |
| Nancy E. Calderon Director | Aug 14, 2024 | Small purchase | +5.97 | $11.99 | $72 | 3,172 |
| Richard Nigon Director | Aug 1, 2024 | Tax withholding | −7,665 | $13.11 | $100.49K | 37,935 |
| Richard Nigon Director | Aug 1, 2024 | Option exercise | +12,000 | $10.05 | $120.60K | 45,600 |
| Falkenhausen Konstantin von Director | Jul 31, 2024 | Tax withholding | −6,081 | $13.22 | $80.39K | 17,119 |
| Falkenhausen Konstantin von Director | Jul 31, 2024 | Option exercise | +8,000 | $10.05 | $80.40K | 23,200 |
| Matthew C. Wolsfeld CFO and Corporate Secretary | Jul 15, 2024 | Option exercise | +7,752 | $10.05 | $77.91K | 168,149 |
| Nancy E. Calderon Director | May 15, 2024 | Small purchase | +3.96 | $18.04 | $71 | 3,154 |
| Nancy E. Calderon Director | May 15, 2024 | Small purchase | +12.66 | $11.83 | $150 | 3,166 |
| Sarah E. Kemp Director | Apr 23, 2024 | Buy | +1,275 | $15.70 | $20.02K | 5,760 |
| Nancy E. Calderon Director | Feb 14, 2024 | Small purchase | +11.06 | $13.47 | $149 | 3,150 |
| Nancy E. Calderon Director | Feb 14, 2024 | Small purchase | +5.21 | $13.63 | $71 | 3,139 |
| Nancy E. Calderon Director | Nov 16, 2023 | Small purchase | +11.18 | $13.25 | $148 | 3,133 |
| Nancy E. Calderon Director | Nov 16, 2023 | Small purchase | +5.88 | $12.01 | $71 | 3,122 |
| Falkenhausen Konstantin von Director | Aug 28, 2023 | Option exercise | +8,000 | $7.35 | $58.80K | 15,200 |
| Nancy E. Calderon Director | Aug 17, 2023 | Small purchase | +13.98 | $13.07 | $183 | 3,116 |
| Sunggyu Lee Director | Aug 17, 2023 | Option exercise | +8,000 | $7.35 | $58.80K | 8,000 |
| Sunggyu Lee Director | Aug 17, 2023 | Tax withholding | −4,681 | $12.56 | $58.79K | 3,319 |
| Nancy E. Calderon Director | Aug 14, 2023 | Buy | +500 | $13.17 | $6.59K | 3,062 |
| G. Patrick Lynch President and CEO, Director, 10% owner | Aug 8, 2023 | Option exercise | +11,610 | $7.35 | $85.33K | 108,893 |
| G. Patrick Lynch President and CEO, Director, 10% owner | Aug 8, 2023 | Tax withholding | −6,387 | $13.36 | $85.33K | 102,506 |
| Richard Nigon Director | Jul 27, 2023 | Sale | −1,847 | $12.17 | $22.48K | 33,600 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| G. Patrick Lynch Officer, Director, 10% Stockholder | Jul 29, 2026 | 16,072 | $129.38K | Jul 29, 2026 | Stock Option Exercise |
| Richard Nigon Director | Jul 20, 2026 | 12,000 | $96.05K | Jul 20, 2026 | Stock Option Exercise |
| Richard Nigon Director | Jul 27, 2023 | 1,847 | $23.03K | Jul 27, 2023 | Option Exercise |