InsiderTrades

Form 4 for NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP

Accepted 2025-04-28 00:00:00 ET · period of report 2025-04-25 · accession 0001791477-25-000003 · 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
2025-04-28 2025-04-25 NTIC Calderon Nancy E. Dir P - Purchase $7.45 +1,000 7,954 +14% +$7,450

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-04-25 P A 1,000 $7.45 7,954.46 D — — (F1) Includes 3,771 shares issuable upon vesting and settlement of restricted stock units and 29.4244 shares held in the Reporting Persons IRA.