DFTX SCHEDULE 13G/A: SEC filing
An institutional holder
Filed with the SEC on · accession 0000938206-26-000039
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
An institutional holder filed an amended Schedule 13G indicating a change in its passive ownership position in Definium Therapeutics, Inc. The filing does not disclose a change in control intent or activist plans.
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
✦ Ask GOAX AI about this filing — what it means for DFTX, 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 DFTX?
Click hereFrequently asked questions
What did DFTX file with the SEC on Aug 14, 2026?
DFTX filed a SCHEDULE 13G/A (SEC filing). An institutional holder filed an amended Schedule 13G indicating a change in its passive ownership position in Definium Therapeutics, Inc. The filing does not disclose a change in control intent or activist plans.
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
Get alerts when DFTX files with the SEC, plus live charts, key levels and news for 13,000+ stocks.
Try SEPT free for 7 days