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RIGL SCHEDULE 13G: SEC filing

Morgan Stanley

Filed with the SEC on · accession 0000895421-26-000335

RIGL filed a SCHEDULE 13G (schedule 13g) with the SEC on Nov 13, 2026. Morgan Stanley filed a Schedule 13G reporting beneficial ownership of approximately 6.5% of Rigel Pharmaceuticals' common stock as of September 30, 2026, with its subsidiary Morgan Stanley Capital Services LLC holding about 5.6%. The stock moved -2.7% by the first close after the filing.

Summary of the filing

Morgan Stanley filed a Schedule 13G reporting beneficial ownership of approximately 6.5% of Rigel Pharmaceuticals' common stock as of September 30, 2026, with its subsidiary Morgan Stanley Capital Services LLC holding about 5.6%. The filing is a passive institutional ownership disclosure, not intended to influence control of the company.

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Key details

Shares beneficially owned by Morgan Stanleyshares 1.2M
Shares beneficially owned by Morgan Stanley Capital Services LLCshares 1.0M
Filer / beneficial ownerMorgan Stanley
Wholly-owned subsidiary of morgan stanley and direct holder of reported securitiesMorgan Stanley Capital Services LLC
Issuer / subject companyRigel Pharmaceuticals Inc
Authorized signatory, morgan stanleyClaire Gordon

How RIGL stock reacted

Close before

$45.69

Nov 12, 2026

First close after

-2.69%

$44.46

5 trading days

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Since filing

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Frequently asked questions

What did RIGL file with the SEC on Nov 13, 2026?

RIGL filed a SCHEDULE 13G (SEC filing). Morgan Stanley filed a Schedule 13G reporting beneficial ownership of approximately 6.5% of Rigel Pharmaceuticals' common stock as of September 30, 2026, with its subsidiary Morgan Stanley Capital Services LLC holding about 5.6%. The filing is a passive institutional ownership disclosure, not intended to influence control of the company.

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 RIGL stock react to this filing?

RIGL closed at $45.69 before the filing and $44.46 on Nov 13, 2026 (-2.69%).

Other RIGL SEC filings

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