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IDEAYA Biosciences, Inc. (IDYA) Form 424B5 — Jun 9, 2026

$IDYAForm 424B5Filed Jun 9, 2026, 5:16 PM ET0001193125-26-264032Original filing

IDEAYA Biosciences, Inc. (IDYA) is offering 5,555,556 shares of common stock and pre-funded warrants to purchase 5,555,576 shares at a public offering price of $27.00 per share, raising gross proceeds of approximately $300 million. The net proceeds to IDEAYA are estimated at $281.3 million, or $323.6 million if the underwriters exercise their option to purchase an additional 1,666,669 shares. The capital raise supports the continued clinical development and potential commercialization of darovasertib for uveal melanoma, following positive Phase 2/3 trial data presented at ASCO 2026.

Key figures

Greenshoe
1666669
Net Proceeds
281300000
Gross Proceeds
300000008
Offering Price
27
Shares Offered
5555556
Dilution Per Share
13.95
Shares Outstanding
87856154
Underwriting Discount
1.62
Net Proceeds With Option
323600000
Net Tangible Book Value Per Share
10.67
Shares Outstanding Post Offering
93411710
Adjusted Net Tangible Book Value Per Share
13.05
Lockup Period
60 days
Last Sale Price
31.48
Pre Funded Warrant Price
26.9999
Pre Funded Warrants Offered
5555576
Pre Funded Warrant Exercise Price
0.0001

Price after filing

1 day: -1.7%7 days: +8.9%30 days: +35.2%

Close on the filing date to close N calendar days later (from $28.07). Historical, not a forecast.

AI analysis

Red flags3 · Pro

The rest of the AI analysis, red flags and sentiment are part of Signal8 Pro.

AI-generated analysis of a public disclosure. Not investment advice; verify against the original document.

    IDEAYA Biosciences, Inc. (IDYA) Form 424B5 — Jun 9, 2026: AI Analysis | Signal8