STREETMAN BEN GARLAND 4

4 · NATIONAL INSTRUMENTS CORP /DE/ · Filed May 4, 2009

Form 4

Period: 2008-04-25

Director

Transactions

Award
Restricted Stock Units
2008-04-25+5,001→ 5,001 total
Exp: 2023-05-01→ Common Stock (5,001 underlying)
Exercise/Conversion
Common Stock
2009-05-01+5,001→ 11,689 total
Exercise/Conversion
Restricted Stock Units
2009-05-01−1,667→ 0 total
Exp: 2021-05-01→ Common Stock (1,667 underlying)
Exercise/Conversion
Restricted Stock Units
2009-05-01−1,667→ 3,334 total
Exp: 2023-05-01→ Common Stock (5,001 underlying)
Exercise/Conversion
Restricted Stock Units
2009-05-01−1,667→ 1,667 total
Exp: 2022-05-01→ Common Stock (3,334 underlying)

Footnotes (5)

[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 in three equal annual installments on the anniversary of the vesting commencement date, May 1, 2006.
[F3]The restricted stock units vest in three equal annual installments on the anniversary of the vesting commencement date, May 1, 2007.
[F4]The restricted stock units vest in three equal annual installments on the anniversary of the vesting commencement date, May 1, 2008.
[F5]This award was inadvertently not filed after it was granted on April 25, 2008. The restricted stock units vest in three equal annual installments on the anniversary of the vesting commencement date, May 1, 2008.

Documents

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