Rigel Pharmaceuticals, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

STOCK-BASED COMPENSATION (Details 2)

v3.3.1.900

STOCK-BASED COMPENSATION (Details 2) - shares	12 Months Ended
STOCK-BASED COMPENSATION (Details 2) - shares	Dec. 31, 2015	Dec. 31, 2014
Employee Stock Option
STOCK-BASED COMPENSATION
Expiration period	10 years
Number of shares of common stock authorized (in shares)	24,352,449
Options exercised during the period (in shares)	214,295	11,219
Equity Incentive Plan2011 [Member] \| Employee Stock Option
STOCK-BASED COMPENSATION
Number of shares of common stock authorized (in shares)	10,864,592
Options exercised during the period (in shares)	214,295
Equity Incentive Plan2011 [Member] \| Employee Stock Option \| Minimum
STOCK-BASED COMPENSATION
Vesting period	0 years
Equity Incentive Plan2011 [Member] \| Employee Stock Option \| Maximum [Member]
STOCK-BASED COMPENSATION
Expiration period	10 years
Vesting period	5 years
Equity Incentive Plan2000 [Member] \| Employee Stock Option
STOCK-BASED COMPENSATION
Number of shares of common stock authorized (in shares)	12,299,675
Options exercised during the period (in shares)	0
Equity Incentive Plan2000 [Member] \| Employee Stock Option \| Minimum
STOCK-BASED COMPENSATION
Vesting period	0 years
Equity Incentive Plan2000 [Member] \| Employee Stock Option \| Maximum [Member]
STOCK-BASED COMPENSATION
Vesting period	5 years
Non Employee Directors Stock Option Plan2000 [Member] \| Employee Stock Option
STOCK-BASED COMPENSATION
Number of shares of common stock authorized (in shares)	1,188,182
Options exercised during the period (in shares)	0
Non Employee Directors Stock Option Plan2000 [Member] \| Employee Stock Option \| Maximum [Member]
STOCK-BASED COMPENSATION
Expiration period	10 years
Employee Stock Purchase Plan
STOCK-BASED COMPENSATION
Strike price as a percentage of fair value of common stock	85.00%
Number of shares of common stock authorized	3,001,616

- Definition

Aggregate number of common shares reserved for future issuance.

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