Loan T. le Duy, Director at NATIONAL INSTRUMENTS CORP /DE/ (NATI), sold 5,000 shares at $31.28 ($156K) on 2011-02-28, disclosed to the SEC on 2011-03-01.
Open-market sale of $156k NATI by Director. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
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