Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001628280-26-048342
Filing Date
2026-07-15
Accepted
2026-07-15 16:54:59
Documents
3
Period of Report
2026-07-09

Document Format Files

Seq Description Document Type Size
1 FORM 3 wk-form3_1784148896.html 3  
1 FORM 3 wk-form3_1784148896.xml 3 1802
2 EX-24 haiyansongpoa07-09x26.htm EX-24 3821
3 haiyansongpoa07-09x26001.jpg GRAPHIC 223960
  Complete submission text file 0001628280-26-048342.txt   315756
Mailing Address TWO ALLEGHENY CENTER NOVA TOWER 2 PITTSBURGH PA 15212
Business Address
Song Haiyan (Reporting) CIK: 0001804708 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-39291 | Film No.: 261177910

Mailing Address TWO ALLEGHENY CENTER NOVA TOWER 2 PITTSBURGH PA 15212
Business Address TWO ALLEGHENY CENTER NOVA TOWER 2 PITTSBURGH PA 15212 (732) 225-8400
Eos Energy Enterprises, Inc. (Issuer) CIK: 0001805077 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 3690 Miscellaneous Electrical Machinery, Equipment & Supplies
(CF Office: 04 Manufacturing)