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TSHA 424B5: Secondary offering

Filed with the SEC on · accession 0001193125-26-282846

TSHA filed a 424B5 (prospectus (offering)) with the SEC on Jun 25, 2026. The final terms of an offering of shares or bonds. The stock moved -10.5% by the first close after the filing.

Summary of the filing

Taysha Gene Therapies is offering 32,500,001 shares of common stock and pre-funded warrants to purchase up to 833,333 shares at a public offering price of $6.00 per share, with total proceeds to the company of approximately $188 million before expenses.

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

Key details

Total public offering value$200.0M
Underwriting discounts and commissions$12.0M
Proceeds to company before expenses$188.0M
IssuerTaysha Gene Therapies, Inc.
UnderwriterJefferies
UnderwriterGoldman Sachs & Co. LLC
UnderwriterPiper Sandler
UnderwriterCantor
UnderwriterBaird

How TSHA stock reacted

Close before

$6.94

Jun 24, 2026

First close after

-10.52%

$6.21

5 trading days

-4.18%

$6.65

Since filing

-37.61%

$4.33

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Frequently asked questions

What did TSHA file with the SEC on Jun 25, 2026?

TSHA filed a 424B5 (Secondary offering). Taysha Gene Therapies is offering 32,500,001 shares of common stock and pre-funded warrants to purchase up to 833,333 shares at a public offering price of $6.00 per share, with total proceeds to the company of approximately $188 million before expenses.

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

TSHA closed at $6.94 before the filing and $6.21 on Jun 25, 2026 (-10.52%). Five trading days later: $6.65 (-4.18%).

Other TSHA SEC filings

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