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Form SCHEDULE 13G/A Apellis Pharmaceuticals, Filed by: WELLINGTON MANAGEMENT GROUP LLP

April 7, 2026 12:49 PM





Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)




schemaVersion:


SCHEDULE 13G





SCHEDULE 13G





SCHEDULE 13G





SCHEDULE 13G



Wellington Management Group LLP
Signature:Matthew Revell
Name/Title:Compliance Manager
Date:04/07/2026
Wellington Group Holdings LLP
Signature:Taisia Lowe
Name/Title:Regulatory Analyst
Date:04/07/2026
Wellington Investment Advisors Holdings LLP
Signature:Taisia Lowe
Name/Title:Regulatory Analyst
Date:04/07/2026

ATTACHMENTS / EXHIBITS

JOINT FILING AGREEMENT

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