Rigel Pharmaceuticals, Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Cover
- DOCUMENT AND ENTITY INFORMATION
Financial Statements
Notes to Financial Statements
Accounting Policies
- ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

STOCK-BASED COMPENSATION - Plans (Details)

v3.25.3

STOCK-BASED COMPENSATION - Plans (Details) $ in Millions		1 Months Ended	6 Months Ended	9 Months Ended
STOCK-BASED COMPENSATION - Plans (Details) $ in Millions	Jul. 01, 2024	May 31, 2025 shares	Jun. 30, 2024	Sep. 30, 2025 USD ($) item shares
Additional disclosures
Shares of common stock available for grant				1,407,956
Inducement Plan
Additional disclosures
Additional shares approved				42,925
2018 Equity Incentive Plan
Additional disclosures
Additional shares approved		700,000
Shares under Purchase Plan
Additional disclosures
Award offering period	24 months		24 months	24 months
Purchase price expressed as a percentage of fair market value of common stock on the first day of the offering period				85.00%
Number of purchase periods per award offering period \| item				4
Award purchase period				6 months
Purchase price expressed as a percentage of fair market value of common stock on the purchase date				85.00%
Shares purchased				39,801
Shares reserved for future issuance				144,373
Unrecognized compensation cost related to purchase plan \| $				$ 0.2
Weighted-average recognition period of unrecognized compensation cost				7 months 2 days

- Definition

Represents the offering period for awards under the equity-based compensation plan.

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Represents the purchase period for awards under the equity-based compensation plan.

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- Definition

Represents the purchase price expressed as a percentage of the fair market value of common stock on the first day of the offering period.

+ References

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- Definition

Aggregate number of common shares reserved for future issuance.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

Number of additional shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Number of shares purchased for issuance under share-based payment arrangement.

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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

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