DFTX SCHEDULE 13G/A: SEC filing
Filed with the SEC on · accession 0001831942-26-000034
DFTX filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Aug 14, 2026. A report the company filed with the SEC (the US market regulator). The stock moved -2.9% by the first close after the filing.
Summary of the filing
Commodore Capital LP, Commodore Capital Master LP, Robert Egen Atkinson, and Michael Kramarz filed a joint filing agreement as part of an amended Schedule 13G for their position in Definium Therapeutics, Inc. The filing indicates a passive investment stake with no stated intent to influence control.
Key details
How DFTX stock reacted
Close before
$43.90
Aug 13, 2026
First close after
-2.89%
$42.63
5 trading days
+3.42%
$45.40
Since filing
-24.21%
$33.27
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What did DFTX file with the SEC on Aug 14, 2026?
DFTX filed a SCHEDULE 13G/A (SEC filing). Commodore Capital LP, Commodore Capital Master LP, Robert Egen Atkinson, and Michael Kramarz filed a joint filing agreement as part of an amended Schedule 13G for their position in Definium Therapeutics, Inc. The filing indicates a passive investment stake with no stated intent to influence control.
How do I read a SCHEDULE 13G/A?
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 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).
How did DFTX stock react to this filing?
DFTX closed at $43.90 before the filing and $42.63 on Aug 14, 2026 (-2.89%). Five trading days later: $45.40 (+3.42%).
Other DFTX SEC filings
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