ADV SCHEDULE 13G/A: SEC filing
CastleKnight entities and Aaron Weitman
Filed with the SEC on · accession 0000919574-26-005576
ADV filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Aug 14, 2026. CastleKnight entities and Aaron Weitman filed Amendment No. 1 to their Schedule 13G regarding their passive ownership of Advantage Solutions Inc. Class A common stock. The stock moved -0.6% by the first close after the filing.
Summary of the filing
CastleKnight entities and Aaron Weitman filed Amendment No. 1 to their Schedule 13G regarding their passive ownership of Advantage Solutions Inc. Class A common stock. The filing is a joint filing agreement among the reporting persons.
Key details
How ADV stock reacted
Close before
$32.99
Aug 13, 2026
First close after
-0.64%
$32.78
5 trading days
+4.52%
$34.48
Since filing
-2.52%
$32.16
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Click hereFrequently asked questions
What did ADV file with the SEC on Aug 14, 2026?
ADV filed a SCHEDULE 13G/A (SEC filing). CastleKnight entities and Aaron Weitman filed Amendment No. 1 to their Schedule 13G regarding their passive ownership of Advantage Solutions Inc. Class A common stock. The filing is a joint filing agreement among the reporting persons.
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 ADV stock react to this filing?
ADV closed at $32.99 before the filing and $32.78 on Aug 14, 2026 (-0.64%). Five trading days later: $34.48 (+4.52%).
Other ADV SEC filings
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