ISNR SCHEDULE 13G: SEC filing
Adage Capital Management, L.P., Robert Atchinson, and Phillip Gross
Filed with the SEC on · accession 0000919574-26-004951
ISNR filed a SCHEDULE 13G (schedule 13g) with the SEC on Aug 12, 2026. A report the company filed with the SEC (the US market regulator). The stock moved -0.2% by the first close after the filing.
Summary of the filing
Adage Capital Management, L.P., Robert Atchinson, and Phillip Gross filed a joint filing agreement as part of a Schedule 13G disclosing their passive ownership position in Snow Rothschild Acquisition Corp. The filing indicates a passive investment stake with no stated intent to influence control.
Key details
How ISNR stock reacted
Close before
$9.82
Aug 7, 2026
First close after
-0.20%
$9.80
5 trading days
+0.71%
$9.89
Since filing
-0.20%
$9.80
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Click hereFrequently asked questions
What did ISNR file with the SEC on Aug 12, 2026?
ISNR filed a SCHEDULE 13G (SEC filing). Adage Capital Management, L.P., Robert Atchinson, and Phillip Gross filed a joint filing agreement as part of a Schedule 13G disclosing their passive ownership position in Snow Rothschild Acquisition Corp. The filing indicates a passive investment stake with no stated intent to influence control.
How do I read a SCHEDULE 13G?
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 (schedule 13g): A report the company filed with the SEC (the US market regulator).
How did ISNR stock react to this filing?
ISNR closed at $9.82 before the filing and $9.80 on Aug 14, 2026 (-0.20%). Five trading days later: $9.89 (+0.71%).
Other ISNR SEC filings
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