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CERO 424B3: Secondary offering

CERO Therapeutics

Filed with the SEC on · accession 0001213900-26-062837

CERO filed a 424B3 (prospectus (offering)) with the SEC on May 29, 2026. The final terms of an offering of shares or bonds. The stock moved -8.4% by the first close after the filing.

Summary of the filing

CERO Therapeutics issued a convertible promissory note for $750,000 to SRX Health Solutions, convertible into common stock at a discount, and filed a prospectus supplement to register the resale of shares.

For details, click here →How to read a 424B3 →

Key details

Convertible promissory note principal face value$938K
Purchase price of note$750K
Interest rate$10
IssuerCERO Therapeutics Holdings, Inc.
LenderSRX Health Solutions, Inc.

How CERO stock reacted

Close before

$0.02

May 28, 2026

First close after

-8.38%

$0.02

5 trading days

-26.70%

$0.01

Since filing

-47.64%

$0.01

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Frequently asked questions

What did CERO file with the SEC on May 29, 2026?

CERO filed a 424B3 (Secondary offering). CERO Therapeutics issued a convertible promissory note for $750,000 to SRX Health Solutions, convertible into common stock at a discount, and filed a prospectus supplement to register the resale of shares.

What does a secondary offering mean for CERO stock?

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

How do I read a 424B3?

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 424B3 (prospectus (offering)): The final terms of an offering of shares or bonds.

How did CERO stock react to this filing?

CERO closed at $0.02 before the filing and $0.02 on May 29, 2026 (-8.38%). Five trading days later: $0.01 (-26.70%).

Other CERO SEC filings

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