TWST 424B5: Secondary offering
Filed with the SEC on · accession 0001104659-26-090503
TWST filed a 424B5 (prospectus (offering)) with the SEC on Aug 4, 2026. Twist Bioscience Corporation is offering $250 million of shares of its common stock in an underwritten public offering. The stock moved -1.6% by the first close after the filing.
Summary of the filing
Twist Bioscience Corporation is offering $250 million of shares of its common stock in an underwritten public offering. The company has granted underwriters a 30-day option to purchase up to $37.5 million of additional shares.
Key details
How TWST stock reacted
Close before
$101.06
Aug 3, 2026
First close after
-1.60%
$99.44
5 trading days
+23.57%
$124.88
Since filing
+18.42%
$119.68
✦ Ask GOAX AI about this filing — what it means for TWST, what changed since its last filings and what to watch next.
Try it free for 7 days🔔 Want to stay updated on new SEC filings for TWST?
Click hereFrequently asked questions
What did TWST file with the SEC on Aug 4, 2026?
TWST filed a 424B5 (Secondary offering). Twist Bioscience Corporation is offering $250 million of shares of its common stock in an underwritten public offering. The company has granted underwriters a 30-day option to purchase up to $37.5 million of additional shares.
What does a secondary offering mean for TWST 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 TWST stock react to this filing?
TWST closed at $101.06 before the filing and $99.44 on Aug 4, 2026 (-1.60%). Five trading days later: $124.88 (+23.57%).
Other TWST SEC filings
Get alerts when TWST files with the SEC, plus live charts, key levels and news for 13,000+ stocks.
Try SEPT free for 7 days