RIGEL PHARMACEUTICALS INC (RIGL) - Dilution Analysis

Visualizing historical and potential share dilution over time

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Dilution Analysis

Medium Risk

Moderate dilution risk

Last updated: May 05, 2026

Risk Assessment Details

Potential Dilution: 121.15% of current shares

Recent Dilution: 4.99% (2 years)

Historical Dilution Factor: minimal recent dilution

Outstanding Shares

18M

Potential Supply

22M

Additional shares possible

Splits

1 Split

Past 2 years

Summary

RIGL currently has 18.4M outstanding shares. with significant dilution risk as 22.3M authorized shares could dilute existing holders by 121.1%. The company has minimally diluted shareholders by 4.99% over the past 2 years. Recent corporate actions include 1 stock split (positive for accessibility).

Share Structure Timeline

Outstanding Shares

Total Supply

Historical Data Points

Date	Event	Outstanding	Supply
May 05, 2026	10-Q filing \| 18.4M shares outstanding	18M	22M
Nov 04, 2025	10-Q filing \| 18.0M shares outstanding	18M	23M
Aug 05, 2025	10-Q filing \| 17.9M shares outstanding	18M	23M
May 06, 2025	10-Q filing \| 17.8M shares outstanding	18M	23M
Mar 04, 2025	10-K filing \| 17.7M shares outstanding	18M	23M
Nov 07, 2024	10-Q filing \| 17.6M shares outstanding	18M	23M
Aug 06, 2024	10-Q filing \| 17.5M shares outstanding	18M	23M
Aug 02, 2024	S-3 filing: Rigel Pharmaceuticals files an S-3 shelf registration to offer up to $250,000,000 of common stock, preferred stock, debt securities, warrants, units and rights. Additionally, they are offering common stock via an at-the-market offering through Jefferies for up to $100,000,000.	18M	23M
Jun 27, 2024	Stock Split 8-K filing: Stock split one-for-10 \| Outstanding: 175,203,000 → 17,520,300	18M	0
May 07, 2024	10-Q filing \| 175.2M shares outstanding	180M	0
Mar 05, 2024	10-K filing \| 174.0M shares outstanding	170M	0
Nov 07, 2023	10-Q filing \| 174.4M shares outstanding	170M	0
Aug 01, 2023	10-Q filing \| 173.7M shares outstanding	170M	0
May 02, 2023	10-Q filing \| 173.6M shares outstanding	170M	0
Mar 07, 2023	10-K filing \| 172.4M shares outstanding	170M	0
Nov 03, 2022	10-Q filing \| 172.8M shares outstanding	170M	0
Aug 02, 2022	10-Q filing \| 172.1M shares outstanding	170M	0
May 03, 2022	10-Q filing \| 171.8M shares outstanding	170M	0
Mar 01, 2022	POS AM filing: The filing is a prospectus for a shelf offering of common stock, preferred stock, and/or debt securities, with an aggregate offering price of up to $250,000,000. It also includes an at-the-market offering of common stock through Jefferies, as sales agent, up to $100,000,000.	170M	0
Mar 01, 2022	10-K filing \| 170.5M shares outstanding	170M	390K
Nov 02, 2021	10-Q filing \| 170.9M shares outstanding	170M	0
Aug 03, 2021	10-Q filing \| 170.2M shares outstanding	170M	0
May 05, 2021	10-Q filing \| 169.8M shares outstanding	170M	0
Mar 02, 2021	10-K filing \| 168.6M shares outstanding	170M	0
Nov 05, 2020	10-Q filing \| 169.0M shares outstanding	170M	0
Aug 04, 2020	10-Q filing \| 168.6M shares outstanding	170M	0
May 05, 2020	10-Q filing \| 167.2M shares outstanding	170M	0
Feb 27, 2020	10-K filing \| 168.6M shares outstanding	170M	0

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