Filing Details

Accession Number:
0001140361-11-004923
Form Type:
4
Zero Holdings:
No
Publication Time:
2011-01-31 12:35:48
Reporting Period:
2011-01-27
Filing Date:
2011-01-31
Accepted Time:
2011-01-31 12:35:48
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
935494 National Instruments Corp NATI Services-Prepackaged Software (7372) 741871327
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1092457 M Donald Carlton American Electric Power
1 Riverside Plaza, 29Th Floor
Columbus OH 43215
Yes No No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2011-01-27 7,500 $25.53 23,743 No 4 M Direct
Common Stock Disposition 2011-01-27 7,500 $44.00 16,243 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 S Direct
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock Stock Option (right to buy) Disposition 2011-01-27 7,500 $0.00 7,500 $25.53
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 2012-05-14 No 4 M Direct
Footnotes
  1. Options vested and became exercisable based on time and performance milestones set by the Issuer.