CHI SCHEDULE 13G/A: SEC filing
A Schedule 13G/A amendment was
Filed with the SEC on · accession 0000905148-26-004104
CHI filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Sep 8, 2026. A Schedule 13G/A amendment was filed regarding beneficial ownership of Calamos Convertible Opportunities & Income Fund (CHI). The stock moved +0.2% by the first close after the filing.
Summary of the filing
A Schedule 13G/A amendment was filed regarding beneficial ownership of Calamos Convertible Opportunities & Income Fund (CHI). The filing text available does not disclose the holder, ownership percentage, or any changes from the prior filing.
Key details
How CHI stock reacted
Close before
$12.53
Sep 4, 2026
First close after
+0.24%
$12.56
5 trading days
-2.87%
$12.17
Since filing
-15.32%
$10.61
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Click hereFrequently asked questions
What did CHI file with the SEC on Sep 8, 2026?
CHI filed a SCHEDULE 13G/A (SEC filing). A Schedule 13G/A amendment was filed regarding beneficial ownership of Calamos Convertible Opportunities & Income Fund (CHI). The filing text available does not disclose the holder, ownership percentage, or any changes from the prior filing.
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 CHI stock react to this filing?
CHI closed at $12.53 before the filing and $12.56 on Sep 8, 2026 (+0.24%). Five trading days later: $12.17 (-2.87%).
Other CHI SEC filings
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