Rigel Pharmaceuticals, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Fair Value (Tables)

Fair Value (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of financial assets measured at fair value on a recurring basis

Financial assets measured at fair value on a recurring basis are categorized in the tables below based upon the lowest level of significant input to the valuations (in thousands):

	Assets at Fair Value as of March 31, 2013
	Level 1		Level 2		Level 3		Total
Money market funds	$	9,053	$	—	$	—	$	9,053
Government-sponsored enterprise securities	—		75,233		—		75,233
Corporate bonds and commercial paper	—		188,007		—		188,007
Total	$	9,053	$	263,240	$	—	$	272,293

	Assets at Fair Value as of December 31, 2012
	Level 1		Level 2		Level 3		Total
Money market funds	$	23,936	$	—	$	—	$	23,936
Government-sponsored enterprise securities	—		77,047		—		77,047
Corporate bonds and commercial paper	—		197,007		—		197,007
Total	$	23,936	$	274,054	$	—	$	297,990

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

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