PRQR 424B5: Secondary offering

ProQR Therapeutics

Filed with the SEC on Jul 15, 2026 · accession 0001104659-26-083906

PRQR filed a 424B5 (prospectus (offering)) with the SEC on Jul 15, 2026. ProQR Therapeutics filed a prospectus for the resale of up to 3,030,303 ordinary shares by a selling shareholder, issued in a private placement. The stock moved +4.1% by the first close after the filing.

Summary of the filing

ProQR Therapeutics filed a prospectus for the resale of up to 3,030,303 ordinary shares by a selling shareholder, issued in a private placement. The company will not receive any proceeds from the sale.

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

Key details

Shares offered by selling shareholder$3.0M

IssuerProQR Therapeutics N.V.

How PRQR stock reacted

Close before

$1.70

Jul 14, 2026

First close after

+4.12%

$1.77

5 trading days

+10.59%

$1.88

Since filing

-25.88%

$1.26

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Frequently asked questions

What did PRQR file with the SEC on Jul 15, 2026?

PRQR filed a 424B5 (Secondary offering). ProQR Therapeutics filed a prospectus for the resale of up to 3,030,303 ordinary shares by a selling shareholder, issued in a private placement. The company will not receive any proceeds from the sale.

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

PRQR closed at $1.70 before the filing and $1.77 on Jul 15, 2026 (+4.12%). Five trading days later: $1.88 (+10.59%).

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