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CRBP SCHEDULE 13G: SEC filing

Filed with the SEC on · accession 0001346824-26-000243

CRBP filed a SCHEDULE 13G (schedule 13g) with the SEC on Sep 30, 2026. RA Capital Management, Peter Kolchinsky, Rajeev Shah, and RA Capital Healthcare Fund filed a joint filing agreement as an exhibit to a Schedule 13G regarding their beneficial ownership of Corbus Pharmaceuticals common stock. The stock moved +2.9% by the first close after the filing.

Summary of the filing

RA Capital Management, Peter Kolchinsky, Rajeev Shah, and RA Capital Healthcare Fund filed a joint filing agreement as an exhibit to a Schedule 13G regarding their beneficial ownership of Corbus Pharmaceuticals common stock. The agreement allows the filers to submit a single combined Schedule 13G/13D on behalf of all parties.

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Key details

Filer/beneficial ownerRA Capital Management, L.P.
Filer/beneficial ownerRA Capital Healthcare Fund, L.P.
IssuerCorbus Pharmaceuticals Holdings, Inc.
Authorized signatory, ra capital management, l.p.Peter Kolchinsky
FilerRajeev Shah

How CRBP stock reacted

Close before

$6.63

Sep 29, 2026

First close after

+2.87%

$6.82

5 trading days

-12.82%

$5.78

Since filing

-53.70%

$3.07

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Frequently asked questions

What did CRBP file with the SEC on Sep 30, 2026?

CRBP filed a SCHEDULE 13G (SEC filing). RA Capital Management, Peter Kolchinsky, Rajeev Shah, and RA Capital Healthcare Fund filed a joint filing agreement as an exhibit to a Schedule 13G regarding their beneficial ownership of Corbus Pharmaceuticals common stock. The agreement allows the filers to submit a single combined Schedule 13G/13D on behalf of all parties.

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 CRBP stock react to this filing?

CRBP closed at $6.63 before the filing and $6.82 on Sep 30, 2026 (+2.87%). Five trading days later: $5.78 (-12.82%).

Other CRBP SEC filings

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