NATIONAL INSTRUMENTS CORP /DE/ 4

4 · NATIONAL INSTRUMENTS CORP /DE/ · Filed May 3, 2013

Form 4

Period: 2013-05-01

Senior Vice President

Transactions

Exercise/Conversion
Common Stock
2013-05-01$23.23/sh+416$9,664→ 80,612 total
Exercise/Conversion
Restricted Stock Units
2013-05-01−1,738→ 5,384 total
Exp: 2023-05-01→ Common Stock (7,122 underlying)
Tax Payment
Common Stock
2013-05-01$26.96/sh−3,537$95,353→ 89,826 total
Exercise/Conversion
Restricted Stock Units
2013-05-01−1,738→ 1,539 total
Exp: 2021-05-01→ Common Stock (3,277 underlying)
Exercise/Conversion
Common Stock
2013-05-01+12,751→ 93,363 total
Exercise/Conversion
Restricted Stock Units
2013-05-01−3,046→ 0 total
Exp: 2020-05-01→ Common Stock (3,046 underlying)
Exercise/Conversion
Restricted Stock Units
2013-05-01−1,738→ 3,465 total
Exp: 2022-05-01→ Common Stock (5,203 underlying)
Exercise/Conversion
Restricted Stock Units
2013-05-01−1,304→ 5,398 total
Exp: 2024-05-01→ Common Stock (6,702 underlying)
Exercise/Conversion
Restricted Stock Units
2013-05-01−1,449→ 11,051 total
Exp: 2027-05-01→ Common Stock (12,500 underlying)
Exercise/Conversion
Restricted Stock Units
2013-05-01−1,738→ 11,201 total
Exp: 2026-05-01→ Common Stock (12,939 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

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