CANF 424B3: Secondary offering

Can-Fite BioPharma

Filed with the SEC on · accession 0001213900-26-108576

CANF filed a 424B3 (prospectus (offering)) with the SEC on Oct 9, 2026. Can-Fite BioPharma filed a 424B3 prospectus covering the resale of up to 6,589,796 ordinary shares (represented by 3,294,898 ADSs) by selling shareholders, issuable upon exercise of repriced warrants. The stock moved -5.0% by the first close after the filing.

Summary of the filing

Can-Fite BioPharma filed a 424B3 prospectus covering the resale of up to 6,589,796 ordinary shares (represented by 3,294,898 ADSs) by selling shareholders, issuable upon exercise of repriced warrants. The company will not receive proceeds from the resale, though it may receive proceeds if warrants are exercised for cash.

Key details

Ordinary shares registered for resale$6.6M
ADSs registered for resale$3.3M
Closing price per ADS on NYSE American (Oct 7, 2026)$2
IssuerCan-Fite BioPharma Ltd.

How CANF stock reacted

Close before

$2.00

Oct 8, 2026

First close after

-5.00%

$1.90

5 trading days

-7.50%

$1.85

Since filing

-19.00%

$1.62

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Frequently asked questions

What did CANF file with the SEC on Oct 9, 2026?

CANF filed a 424B3 (Secondary offering). Can-Fite BioPharma filed a 424B3 prospectus covering the resale of up to 6,589,796 ordinary shares (represented by 3,294,898 ADSs) by selling shareholders, issuable upon exercise of repriced warrants. The company will not receive proceeds from the resale, though it may receive proceeds if warrants are exercised for cash.

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

CANF closed at $2.00 before the filing and $1.90 on Oct 9, 2026 (-5.00%). Five trading days later: $1.85 (-7.50%).

Other CANF SEC filings

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