Latest filing published 09 Nov 2011 for National Instruments CORP, €5,389.
Insider track record
No signal scores available.
Robert Porterfield: trading record in brief
Robert Porterfield appears in our data through filings on National Instruments Corp shares, published by SEC (Form 4). The record holds 129 filings, for trades running from 30 January 2006 to 1 August 2011.
On the market, this insider has only sold: 70 sales, €2.0M in total. The rest of the record consists of 2 share grants and 57 option exercises. 2011 to date brings no purchases and 1 sale.
The latest filing, published on 9 November 2011, reports an option exercise of €5,389 in National Instruments Corp. The median gap between a trade and its publication by SEC (Form 4) is 4 days. Section 16 rules allow two business days to file each Form 4. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
Companies and markets linked to Robert Porterfield
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- 350 shares@ US$21.96Common StockSEC:0001140361-11-052688:0
- 283 shares@ US$21.96Common StockSEC:0001140361-11-052688:1
- 7,261 sharesCommon StockSEC:0001140361-11-024794:0
- 5,257 sharesCommon StockSEC:0001140361-11-024794:1
- 297 shares@ US$23.98Common StockSEC:0001140361-11-024794:2
- 234 shares@ US$29.55Common StockSEC:0001140361-11-013492:0
- 8,514 shares@ US$31.18Common StockSEC:0001140361-11-013492:1
- 265 shares@ US$24.98Common StockSEC:0001140361-10-043581:0
- 238 shares@ US$27.12Common StockSEC:0001140361-10-043581:1
- 61 shares@ US$27.12Common StockSEC:0001140361-10-043581:2
- 6,000 shares@ US$21.04Common StockSEC:0001140361-10-043581:3
- 6,000 shares@ US$34.75Common StockSEC:0001140361-10-043581:4
- 3,000 shares@ US$34.75Common StockSEC:0001140361-10-043581:7
- 2,100 sharesCommon StockSEC:0001140361-10-018643:0
- 2,900 sharesCommon StockSEC:0001140361-10-018643:1
- 263 shares@ US$22.70Common StockSEC:0001140361-10-013278:0
- 6,000 shares@ US$32.08Common StockSEC:0001140361-10-013278:1
- 5,686 shares@ US$33.86Common StockSEC:0001140361-10-013278:2
- 3,000 shares@ US$32.08Common StockSEC:0001140361-10-013278:3
- 2,844 shares@ US$33.86Common StockSEC:0001140361-10-013278:4
- 318 shares@ US$18.73Common StockSEC:0001140361-09-028279:0
- 64 shares@ US$21.43Common StockSEC:0001140361-09-028279:1
- 357 shares@ US$18.25Common StockSEC:0001140361-09-011078:0
- 340 shares@ US$18.25Common StockSEC:0001140361-09-011078:1
- 2,054 sharesCommon StockSEC:0001140361-09-011078:2
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