|4May 24, 8:39 AM ET

DUKE PAUL D 4

4 · MESA LABORATORIES INC /CO · Filed May 24, 2010

Insider Transaction Report

Form 4
Period: 2010-05-15
DUKE PAUL D
Director
Transactions
  • Exercise of In-Money

    NQ Stock Option

    2010-05-151,5000 total
    Exercise: $5.91From: 2003-10-16Exp: 2012-10-16Common Stock (1,500 underlying)
  • Exercise/Conversion

    Common Stock

    2010-05-15$5.91/sh+1,500$8,86574,323 total
  • Exercise of In-Money

    NQ Stock Option

    2010-05-152,0000 total
    Exercise: $7.00From: 2004-06-19Exp: 2013-06-19Common Stock (2,000 underlying)
  • Tax Payment

    Common Stock

    2010-05-15$23.77/sh2,220$52,76967,823 total
  • Exercise/Conversion

    Common Stock

    2010-05-15$7.00/sh+2,000$14,00072,823 total
  • Exercise of In-Money

    NQ Stock Option

    2010-05-153,0000 total
    Exercise: $10.00From: 2005-07-14Exp: 2014-07-14Common Stock (3,000 underlying)
  • Exercise/Conversion

    Common Stock

    2010-05-15$10.00/sh+3,000$30,00070,823 total

Documents

1 file
  • 4
    primary_doc.xmlPrimary

    PRIMARY DOCUMENT