Measurement Date of a Stock Option Law and Legal Definition

Under Generally Accepted Accounting Principles ("GAAP"), the measurement date of a stock option grant is defined as "the first date on which are known both: (1) the number of shares that an individual employee is entitled to receive and (2) the option or purchase price, if any.” In re Finisar Corp. Derivative Litig., 2009 U.S. Dist. LEXIS 94002 (N.D. Cal. Sept. 22, 2009)