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 - Employee Stock Option Plans (Details)

v3.8.0.1

STOCK-BASED COMPENSATION - Employee Stock Option Plans (Details)	12 Months Ended
	Dec. 31, 2017 plan shares
STOCK-BASED COMPENSATION
Number of stock option plans \| plan	4
Number of shares of common stock authorized (in shares)	32,104,836
Employee stock option
STOCK-BASED COMPENSATION
Expiration period	10 years
Options exercised during the period (in shares)	1,161,093
Equity incentive plan 2011 \| Employee stock option
STOCK-BASED COMPENSATION
Number of shares of common stock authorized (in shares)	16,174,599
Equity incentive plan 2011 \| Employee stock option \| Minimum
STOCK-BASED COMPENSATION
Vesting period	0 years
Equity incentive plan 2011 \| Employee stock option \| Maximum
STOCK-BASED COMPENSATION
Vesting period	5 years
Equity incentive plan 2000 \| Employee stock option
STOCK-BASED COMPENSATION
Number of shares of common stock authorized (in shares)	12,142,055
Equity incentive plan 2000 \| Employee stock option \| Minimum
STOCK-BASED COMPENSATION
Vesting period	0 years
Equity incentive plan 2000 \| Employee stock option \| Maximum
STOCK-BASED COMPENSATION
Vesting period	5 years
Non-employee directors stock option plan 2000 \| Employee stock option
STOCK-BASED COMPENSATION
Number of shares of common stock authorized (in shares)	1,988,182
Non-employee directors stock option plan 2000 \| Employee stock option \| Maximum
STOCK-BASED COMPENSATION
Expiration period	10 years
Inducement Plan
STOCK-BASED COMPENSATION
Number of shares of common stock authorized (in shares)	1,800,000

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