BBOT 424B3: Secondary offering
BridgeBio Oncology Therapeutics, Inc.
Filed with the SEC on · accession 0001193125-26-345123
BBOT filed a 424B3 (prospectus (offering)) with the SEC on Aug 12, 2026. The final terms of an offering of shares or bonds. The stock moved +2.4% by the first close after the filing.
Summary of the filing
BridgeBio Oncology Therapeutics, Inc. filed a prospectus supplement to register 63,054,549 shares of common stock for resale by selling securityholders, updating the prospectus with its quarterly report for the period ended June 30, 2026.
Key details
How BBOT stock reacted
Close before
$9.20
Aug 11, 2026
First close after
+2.39%
$9.42
5 trading days
-2.72%
$8.95
Since filing
-76.41%
$2.17
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Click hereFrequently asked questions
What did BBOT file with the SEC on Aug 12, 2026?
BBOT filed a 424B3 (Secondary offering). BridgeBio Oncology Therapeutics, Inc. filed a prospectus supplement to register 63,054,549 shares of common stock for resale by selling securityholders, updating the prospectus with its quarterly report for the period ended June 30, 2026.
What does a secondary offering mean for BBOT stock?
New shares dilute existing holders and are often sold at a discount to the market price.
How do I read a 424B3?
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 424B3 (prospectus (offering)): The final terms of an offering of shares or bonds.
How did BBOT stock react to this filing?
BBOT closed at $9.20 before the filing and $9.42 on Aug 12, 2026 (+2.39%). Five trading days later: $8.95 (-2.72%).
Other BBOT SEC filings
- 8-K · Executive departureNov 5, 2026
- EFFECT · SEC filingSep 10, 2026
- 8-K · SEC filingSep 8, 2026
- S-3 · Shelf registrationSep 1, 2026
- 8-K · SEC filingAug 11, 2026
- 10-Q · SEC filingAug 11, 2026
- 8-K · Board changeJun 22, 2026
- 424B3 · Board changeJun 22, 2026
- 424B3 · Secondary offeringMay 13, 2026
- 10-Q · SEC filingMay 12, 2026
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