Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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Robert Porterfield currently holds 77,061 shares of NATIONAL INSTRUMENTS CORP /DE/ (NATI), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Robert Porterfield has been a net seller of NATI stock. They have purchased $0 and sold $2.7M worth of shares.
Robert Porterfield's most recent insider trade was on Aug 1, 2011, when they sold 283 shares at $21.96 per share.
Robert Porterfield serves as Executive at NATIONAL INSTRUMENTS CORP /DE/ (NATI). They have executed 129 insider transactions totaling $2.7M over their tenure at the company.
Robert Porterfield holds the position of Executive at NATIONAL INSTRUMENTS CORP /DE/, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 20 years and currently hold a stake valued at $0.
Robert Porterfield has shown a selling trading pattern, with $0 in total purchases and $2.7M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Robert Porterfield was on Feb 28, 2011, when they sold $265.5K worth of NATI shares. This transaction involved 8,514 shares at $31.18 per share.
Robert Porterfield currently owns 77,061 shares of NATIONAL INSTRUMENTS CORP /DE/ (NATI), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Robert Porterfield's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Robert Porterfield has 129 Form 4 filings on record as an insider at NATIONAL INSTRUMENTS CORP /DE/.
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