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ERAS 424B5: Secondary offering

Erasca, Inc.

Filed with the SEC on · accession 0001193125-26-302148

ERAS filed a 424B5 (prospectus (offering)) with the SEC on Jul 13, 2026. Erasca, Inc. filed a preliminary prospectus supplement for a $500,000,000 common stock offering, with an underwriter option for an additional $75,000,000. The stock moved -3.4% by the first close after the filing.

Summary of the filing

Erasca, Inc. filed a preliminary prospectus supplement for a $500,000,000 common stock offering, with an underwriter option for an additional $75,000,000. The offering is being conducted under a shelf registration statement.

For details, click here →How to read a 424B5 →

Key details

Total offering amount$500.0M
Over-allotment option$75.0M
IssuerErasca, Inc.
UnderwriterJ.P. Morgan
UnderwriterMorgan Stanley
UnderwriterJefferies
UnderwriterEvercore ISI

How ERAS stock reacted

Close before

$18.53

Jul 10, 2026

First close after

-3.40%

$17.90

5 trading days

+3.45%

$19.17

Since filing

-22.23%

$14.41

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Frequently asked questions

What did ERAS file with the SEC on Jul 13, 2026?

ERAS filed a 424B5 (Secondary offering). Erasca, Inc. filed a preliminary prospectus supplement for a $500,000,000 common stock offering, with an underwriter option for an additional $75,000,000. The offering is being conducted under a shelf registration statement.

What does a secondary offering mean for ERAS stock?

New shares dilute existing holders and are often sold at a discount to the market price.

How do I read a 424B5?

The final terms of an offering of shares or bonds. Look at price, number of shares and the discount to the market price. Large offerings dilute existing shareholders.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 424B5 (prospectus (offering)): The final terms of an offering of shares or bonds.

How did ERAS stock react to this filing?

ERAS closed at $18.53 before the filing and $17.90 on Jul 13, 2026 (-3.40%). Five trading days later: $19.17 (+3.45%).

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