PCVX 424B5: Secondary offering

Filed with the SEC on Oct 8, 2026 · accession 0001193125-26-417984

PCVX filed a 424B5 (prospectus (offering)) with the SEC on Oct 8, 2026. Vaxcyte, Inc. is offering $500 million aggregate principal amount of 1.50% convertible senior notes due 2032, with an option for underwriters to purchase up to an additional $75 million. The stock moved -2.9% by the first close after the filing.

Summary of the filing

Vaxcyte, Inc. is offering $500 million aggregate principal amount of 1.50% convertible senior notes due 2032, with an option for underwriters to purchase up to an additional $75 million. Concurrently, the company is offering 7,412,500 shares of common stock and pre-funded warrants for 400,000 shares.

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Key details

Aggregate principal amount of convertible notes offered$500.0M

Over-allotment option for additional notes$75.0M

Underwriting discounts and commissions$13.8M

Net proceeds before expenses$486.3M

Initial conversion price per share$90

Last reported sale price of common stock on October 6, 2026$67

IssuerVaxcyte, Inc.

How PCVX stock reacted

Close before

$66.96

Oct 7, 2026

First close after

-2.90%

$65.02

5 trading days

+0.88%

$67.55

Since filing

-4.58%

$63.89

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Frequently asked questions

What did PCVX file with the SEC on Oct 8, 2026?

PCVX filed a 424B5 (Secondary offering). Vaxcyte, Inc. is offering $500 million aggregate principal amount of 1.50% convertible senior notes due 2032, with an option for underwriters to purchase up to an additional $75 million. Concurrently, the company is offering 7,412,500 shares of common stock and pre-funded warrants for 400,000 shares.

What does a secondary offering mean for PCVX 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 PCVX stock react to this filing?

PCVX closed at $66.96 before the filing and $65.02 on Oct 8, 2026 (-2.90%). Five trading days later: $67.55 (+0.88%).

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