BBTX SCHEDULE 13D: SEC filing
Filed with the SEC on · accession 0001346824-26-000253
BBTX filed a SCHEDULE 13D (schedule 13d) with the SEC on Nov 6, 2026. A report the company filed with the SEC (the US market regulator). The stock moved -0.8% by the first close after the filing.
Summary of the filing
RA Capital Management, Peter Kolchinsky, Rajeev Shah, and RA Capital Healthcare Fund filed a Joint Filing Agreement as an exhibit to a Schedule 13D regarding their beneficial ownership of Bambusa Therapeutics common stock.
Key details
How BBTX stock reacted
Close before
$15.85
Nov 5, 2026
First close after
-0.76%
$15.73
5 trading days
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Since filing
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Click hereFrequently asked questions
What did BBTX file with the SEC on Nov 6, 2026?
BBTX filed a SCHEDULE 13D (SEC filing). RA Capital Management, Peter Kolchinsky, Rajeev Shah, and RA Capital Healthcare Fund filed a Joint Filing Agreement as an exhibit to a Schedule 13D regarding their beneficial ownership of Bambusa Therapeutics common stock.
How do I read a SCHEDULE 13D?
A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.
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 SCHEDULE 13D (schedule 13d): A report the company filed with the SEC (the US market regulator).
How did BBTX stock react to this filing?
BBTX closed at $15.85 before the filing and $15.73 on Nov 6, 2026 (-0.76%).
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