NORTHERN TECHNOLOGIES INTERNATIONAL CORP·4/A

Aug 31, 5:19 PM ET

STONE MARK J 4/A

4/A · NORTHERN TECHNOLOGIES INTERNATIONAL CORP · Filed Aug 31, 2010

Insider Transaction Report

Form 4/AAmended
Period: 2010-08-30
STONE MARK J
Director
Transactions
  • Exercise/Conversion

    Common Stock

    2010-08-30$5.75/sh+2,000$11,50012,000 total
  • Exercise/Conversion

    Stock Option- Right to Buy

    2010-08-30$5.75/sh2,000$11,5000 total
    Exercise: $5.75Exp: 2010-08-31Common Stock (2,000 underlying)
Footnotes (1)
  • [F1]This option has fully vested.

Documents

1 file
  • 4
    primary_doc.xml

    PRIMARY DOCUMENT