NATIONAL INSTRUMENTS CORP /DE/·4

Apr 22, 3:11 PM ET

Porterfield Robert 4

4 · NATIONAL INSTRUMENTS CORP /DE/ · Filed Apr 22, 2011

Insider Transaction Report

Form 4
Period: 2011-04-20
Porterfield Robert
Vice President
Transactions
  • Award

    Restricted Stock Units

    2011-04-20+6,0006,000 total
    Exp: 2026-05-01Common Stock (6,000 underlying)
  • Award

    Restricted Stock Units

    2011-04-20+6,0006,000 total(indirect: By Spouse)
    Exp: 2026-05-01Common Stock (6,000 underlying)
Footnotes (2)
  • [F1]Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
  • [F2]The restricted stock units vest and become exercisable based on time and performance milestones set by the Issuer.

Documents

1 file
  • 4
    doc1.xmlPrimary

    FORM 4