AAON SCHEDULE 13G/A: SEC filing
Wellington Management Group LLP and affiliated entities
Filed with the SEC on · accession 0000902219-26-000316
AAON filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Sep 8, 2026. Wellington Management Group LLP and affiliated entities filed a joint filing agreement as part of a Schedule 13G/A regarding their position in AAON, Inc. common stock. The stock moved +0.0% by the first close after the filing.
Summary of the filing
Wellington Management Group LLP and affiliated entities filed a joint filing agreement as part of a Schedule 13G/A regarding their position in AAON, Inc. common stock. The filing is an administrative amendment to a passive ownership disclosure.
Key details
How AAON stock reacted
Close before
$79.40
Sep 4, 2026
First close after
+0.00%
$79.40
5 trading days
-4.86%
$75.54
Since filing
-31.46%
$54.42
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Click hereFrequently asked questions
What did AAON file with the SEC on Sep 8, 2026?
AAON filed a SCHEDULE 13G/A (SEC filing). Wellington Management Group LLP and affiliated entities filed a joint filing agreement as part of a Schedule 13G/A regarding their position in AAON, Inc. common stock. The filing is an administrative amendment to a passive ownership disclosure.
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 AAON stock react to this filing?
AAON closed at $79.40 before the filing and $79.40 on Sep 8, 2026 (+0.00%). Five trading days later: $75.54 (-4.86%).
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