Wellington Management Group Llp - Oct 31, 2025 SCHEDULE 13G/A Report for Celldex Therapeutics, Inc. Common Stock (CLDX)

Filing Manager
WELLINGTON MANAGEMENT GROUP LLP
Reporting Manager
Wellington Management Group LLP
Security
Celldex Therapeutics, Inc. Common Stock
Symbol
CLDX
Shares outstanding
66.6M shares
Disclosed Ownership
7.39M shares
Ownership
11.1%
Form type
SCHEDULE 13G/A
Date filed
11/7/2025, 08:18 AM
Date of event
Oct 31, 2025
Previous filing
Aug 12, 2025
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Wellington Management Group LLP 11.1% 7.39M 0 6.91M Taisia Lowe Regulatory Analyst
Wellington Group Holdings LLP 11.1% 7.39M 0 6.91M Taisia Lowe Regulatory Analyst
Wellington Investment Advisors Holdings LLP 11.1% 7.39M 0 6.91M Taisia Lowe Regulatory Analyst
Wellington Management Company LLP 10.8% 7.39M 0 6.9M Taisia Lowe Regulatory Analyst