NORTHERN TECHNOLOGIES INTERNATIONAL CORP·4

Sep 2, 5:23 PM ET

STONE MARK J 4

4 · NORTHERN TECHNOLOGIES INTERNATIONAL CORP · Filed Sep 2, 2011

Insider Transaction Report

Form 4
Period: 2011-08-31
STONE MARK J
Director
Transactions
  • Exercise/Conversion

    Stock Option (right to buy)

    2011-08-31$8.01/sh2,000$16,0200 total
    Exercise: $8.01Exp: 2011-08-31Common Stock (2,000 underlying)
  • Sale

    Common Stock

    2011-08-31$16.20/sh2,000$32,4008,000 total
  • Exercise/Conversion

    Common Stock

    2011-08-31$8.01/sh+2,000$16,02010,000 total
  • Award

    Stock Option (right to buy)

    2011-09-01+4,0004,000 total
    Exercise: $16.45Exp: 2016-08-31Common Stock (4,000 underlying)
Footnotes (2)
  • [F1]This option has fully vested.
  • [F2]This option vests with respect to 1,333 shares on each of September 1, 2012 and September 1, 2013 and with respect to 1,334 shares on September 1, 2014.

Documents

1 file
  • 4
    primary_doc.xmlPrimary

    PRIMARY DOCUMENT