Song Haiyan
Reporting Owner SEC Filing List

CIK: 0001804708
Form Filer Subject Company Filing Agent Date Actions
3Initial statement of beneficial ownershi...Eos Energy Enterprises, Inc. Workiva Inc. Wdesk /fa 07/15/2026
4Statement of changes in beneficial owner...Eos Energy Enterprises, Inc. Workiva Inc. Wdesk /fa 07/15/2026
3Initial statement of beneficial ownershi...Song Haiyan 07/15/2026
4Statement of changes in beneficial owner...Song Haiyan 07/15/2026
4Statement of changes in beneficial owner...Csg Systems International Inc Donnelley Financial Solutions /fa/ 05/18/2026
4Statement of changes in beneficial owner...Song Haiyan 05/18/2026
4Statement of changes in beneficial owner...Csg Systems International Inc Computershare Inc /fa 06/11/2025
4Statement of changes in beneficial owner...Song Haiyan Computershare Inc /fa 06/11/2025
4Statement of changes in beneficial owner...Csg Systems International Inc Computershare Inc /fa 06/11/2024
4Statement of changes in beneficial owner...Song Haiyan Computershare Inc /fa 06/11/2024
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Song Haiyan 's Ownership Transactions

Issuer Filing
Date
Transaction
Date
Transaction
Type
Shares Price Total Amt Shares Owned