Northern Technologies International Corp

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Northern Technologies International Corp
TickerNTIC
CIK #0000875582
CUSIP665809109
SectorManufacturing - Coating, Engraving & Allied Services
Address4201 Woodland Road PO Box 69, Circle Pines, MN 55014
Source [EDGAR]
CIK Filing 2011 - 2026
[0000875582] 10-K
[0000875582] 10-Q
[0000875582] 3
[0000875582] 4
[0000875582] 8-K
[0000875582] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Needham Investment Management LLC Northern Technologies International Corp [2024-08-02] 5.3
Punch & Associates Investment Management Inc Northern Technologies International Corp [2022-02-14] 5.47
Rutabaga Capital Management LLC/MA Northern Technologies International Corp [2015-02-13] 5.21
Perritt Capital Management Inc Northern Technologies International Corp [2014-02-14] 5.4
Form 3/4/5 Filer 2011 - 2026
Wolsfeld Matthew C
Northern Technologies International Corp
Nigon Richard
von Falkenhausen Konstantin
Calderon Nancy E
Kemp Sarah E
Pinho Cristina Lucia Duarte
Lee Sunggyu
Narayan Ramani
Lynch G Patrick
Keong Koh Soo
Colwell Barbara D
Chenu Pierre
Stone Mark J
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Stock Option (right to buy) · derivative
2025-09-01 Grant 16,287 $0.00
Common Stock
2025-09-01 Grant 6,739 $0.00
Common Stock
2025-09-01 Grant 8,086 $0.00
Common Stock
2025-09-01 Grant 6,739 $0.00
Common Stock
2025-09-01 Grant 6,739 $0.00
Stock Option (right to buy) · derivative
2025-09-01 Grant 16,287 $0.00
Stock Option (right to buy) · derivative
2025-09-01 Grant 32,559 $0.00
Stock Option (right to buy) · derivative
2025-09-01 Grant 44,051 $0.00
Stock Option (right to buy) · derivative
2025-09-01 Grant 16,287 $0.00
Common Stock
2025-08-13 Small acquisition 2.83 $7.72 22
Common Stock
2025-08-13 Small acquisition 2.65 $7.72 20
Nigon Richard
Common Stock
2025-07-24 Tax withheld 10,873 $8.20 89,159
Nigon Richard
Common Stock
2025-07-24 Option exercise 12,000 $7.43 89,160
Nigon Richard
Stock Option (right to buy) · derivative
2025-07-24 Option exercise 12,000 $0.00
Common Stock
2025-05-14 Small acquisition 2.97 $7.35 22
Common Stock
2025-05-14 Small acquisition 2.78 $7.35 20
von Falkenhausen Konstantin
Common Stock
2025-05-06 Buy 1,100 $7.23 7,953
Calderon Nancy E
Common Stock
2025-04-25 Buy 1,000 $7.45 7,450
Common Stock
2025-02-12 Small acquisition 6.43 $11.26 72
Common Stock
2025-02-12 Small acquisition 13.50 $11.26 152
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 47 3,049,452
2025-12-31 49 3,357,282
2025-09-30 53 3,162,073
2025-06-30 62 3,195,349
2025-03-31 71 3,707,139
2024-12-31 67 3,868,932
2024-09-30 67 3,922,675
2024-06-30 70 3,967,786
2024-03-31 40 3,299,108
2023-12-31 42 3,112,162
2023-09-30 43 2,968,457
2023-06-30 39 2,818,994
Form 13F Holdings
Firm Period DFND Voting Shares
Dynamic Advisor Solutions LLC [2026-06-30] SOLE 0 91,695
Marquette Asset Management LLC [2026-06-30] SOLE 0 23,853
Salem Investment Counselors Inc [2026-06-30] SOLE 808 3,708
Gamma Investing LLC [2026-06-30] DFND 52 52
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