O'Brien Robert W Jr 5

5 · LATTICE SEMICONDUCTOR CORP · Filed Feb 8, 2010

Form 5

Period: 2010-01-02

Interim CFO

Transactions

Exercise/Conversion
Common Stock
2009-05-06+137→ 3,204 total
Tax Payment
Common Stock
2009-05-06$1.79/sh−57$102→ 3,147 total
Exercise/Conversion
Common Stock
2009-08-06+138→ 3,285 total
Exercise/Conversion
Restricted Stock Unit (RSU)
2009-08-06−138→ 1,100 total
Exercise: $0.00→ Common Stock (138 underlying)
Exercise/Conversion
Restricted Stock Unit (RSU)
2009-05-06−137→ 1,238 total
Exercise: $0.00→ Common Stock (137 underlying)
Tax Payment
Common Stock
2009-08-06$2.22/sh−57$127→ 3,228 total

Footnotes (4)

[F1]Restricted Stock Units - no purchase price for this transaction.
[F2]These shares were retained by the Issuer in order to meet the tax withholding obligations of the Reporting Person in connection with the vesting of an installment of the restricted stock units. The amoun retained by the Issuer was not in excess of the amount of the tax liability.
[F3]Restricted Stock Units - no exercise price for this transaction.
[F4]2,200 Restricted Stock Units (RSUs) were granted on 8/6/07 and vest, in whole shares as follows: 6.25% of the RSU grant shall vest on 11/6/07, and an additional 6.25% of the RSUs vest on each three months thereafter until 100% of the RSU grant is vested on 8/6/11.

Documents

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