TKNO 424B5: Secondary offering
Alpha Teknova, Inc.
Filed with the SEC on · accession 0001193125-26-426674
TKNO filed a 424B5 (prospectus (offering)) with the SEC on Oct 20, 2026. Alpha Teknova, Inc. filed a preliminary prospectus supplement for a follow-on public offering of common stock, with underwriters TD Cowen and William Blair as joint book-running managers. The stock moved +8.7% by the first close after the filing.
Summary of the filing
Alpha Teknova, Inc. filed a preliminary prospectus supplement for a follow-on public offering of common stock, with underwriters TD Cowen and William Blair as joint book-running managers. The offering size, price, and use of proceeds are not yet specified in this preliminary filing.
Key details
How TKNO stock reacted
Close before
$6.80
Oct 19, 2026
First close after
+8.68%
$7.39
5 trading days
-3.09%
$6.59
Since filing
+15.88%
$7.88
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Click hereFrequently asked questions
What did TKNO file with the SEC on Oct 20, 2026?
TKNO filed a 424B5 (Secondary offering). Alpha Teknova, Inc. filed a preliminary prospectus supplement for a follow-on public offering of common stock, with underwriters TD Cowen and William Blair as joint book-running managers. The offering size, price, and use of proceeds are not yet specified in this preliminary filing.
What does a secondary offering mean for TKNO 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 TKNO stock react to this filing?
TKNO closed at $6.80 before the filing and $7.39 on Oct 20, 2026 (+8.68%). Five trading days later: $6.59 (-3.09%).
Other TKNO SEC filings
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