CLDX SCHEDULE 13G/A: SEC filing
An institutional holder
Filed with the SEC on · accession 0001907884-26-000013
CLDX filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Aug 14, 2026. An institutional holder filed an amended Schedule 13G for Celldex Therapeutics, indicating a change in passive ownership position. The stock moved -1.5% by the first close after the filing.
Summary of the filing
An institutional holder filed an amended Schedule 13G for Celldex Therapeutics, indicating a change in passive ownership position. The filing text provided contains only the EDGAR directory listing, so specific ownership details are not available.
Key details
How CLDX stock reacted
Close before
$42.61
Aug 13, 2026
First close after
-1.55%
$41.95
5 trading days
-6.27%
$39.94
Since filing
-29.90%
$29.87
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Click hereFrequently asked questions
What did CLDX file with the SEC on Aug 14, 2026?
CLDX filed a SCHEDULE 13G/A (SEC filing). An institutional holder filed an amended Schedule 13G for Celldex Therapeutics, indicating a change in passive ownership position. The filing text provided contains only the EDGAR directory listing, so specific ownership details are not available.
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 CLDX stock react to this filing?
CLDX closed at $42.61 before the filing and $41.95 on Aug 14, 2026 (-1.55%). Five trading days later: $39.94 (-6.27%).
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