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Stocks/EDSA/SEC Filings/424B5 Aug 19, 2026

EDSA 424B5: Secondary offering

Filed with the SEC on Aug 19, 2026 · accession 0001171843-26-005653

EDSA filed a 424B5 (prospectus (offering)) with the SEC on Aug 19, 2026. Edesa Biotech, Inc. is offering common shares, pre-funded warrants, and common share warrants in a public offering. The stock moved +0.7% by the first close after the filing.

Summary of the filing

Edesa Biotech, Inc. is offering common shares, pre-funded warrants, and common share warrants in a public offering. The offering is being managed by Guggenheim Securities.

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

Key details

IssuerEdesa Biotech, Inc.
UnderwriterGuggenheim Securities

How EDSA stock reacted

Close before

$5.71

Aug 18, 2026

First close after

+0.70%

$5.75

5 trading days

-22.07%

$4.45

Since filing

-62.52%

$2.14

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Frequently asked questions

What did EDSA file with the SEC on Aug 19, 2026?

EDSA filed a 424B5 (Secondary offering). Edesa Biotech, Inc. is offering common shares, pre-funded warrants, and common share warrants in a public offering. The offering is being managed by Guggenheim Securities.

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

EDSA closed at $5.71 before the filing and $5.75 on Aug 19, 2026 (+0.70%). Five trading days later: $4.45 (-22.07%).

Other EDSA SEC filings

  • SCHEDULE 13G/A · SEC filingNov 4, 2026
  • 8-K · SEC filingOct 23, 2026
  • 8-K · Fda approvalOct 15, 2026
  • SCHEDULE 13G · SEC filingAug 26, 2026
  • SCHEDULE 13D/A · SEC filingAug 25, 2026
  • SCHEDULE 13D/A · SEC filingAug 25, 2026
  • 8-K · Secondary offeringAug 20, 2026
  • 424B5 · Secondary offeringAug 20, 2026
  • 10-Q · SEC filingAug 13, 2026
  • 8-K · SEC filingAug 13, 2026

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Source: SEC EDGAR filing 0001171843-26-005653. The summary and key details are extracted by SEPT from the filing and may contain errors. Price reaction uses daily closing prices. Not financial advice.