InsiderTrades

Form 4 for NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP

Accepted 2025-07-28 00:00:00 ET · period of report 2025-07-24 · accession 0001213869-25-000006 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2025-07-28 2025-07-24 NTIC NIGON RICHARD Dir M - OptEx $7.43 +12.0K 49.9K +32% +$89.2K
D 2025-07-28 2025-07-24 NTIC NIGON RICHARD Dir F - Tax $8.20 -10.9K 39.1K -22% -$89.2K
D 2025-07-28 2025-07-24 NTIC NIGON RICHARD Dir M - OptEx $0.00 -12.0K 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-07-24 M A 12,000 $7.43 49,935 D — —
2 Common Common Stock 2025-07-24 F D 10,873 $8.20 39,062 D — —
3 Derivative Stock Option (right to buy) 2025-07-24 M D 12,000 $0.00 0 D $7.43 · — to 2025-08-31 12,000 Common Stock (F1) This option has fully vested.