Form SCHEDULE 13D/A - General Statement of Acquisition of Beneficial Ownership: [Amend]
SEC Accession No. 0001193125-25-186554
Filing Date
2025-08-22
Accepted
2025-08-22 19:01:07
Documents
2

Document Format Files

Seq Description Document Type Size
1 primary_doc.html SCHEDULE 13D/A  
1 primary_doc.xml SCHEDULE 13D/A 23365
2 EX-99.1 ck0000000000-ex99_1.pdf EX-99.1 76543
  Complete submission text file 0001193125-25-186554.txt   130650
Mailing Address 341 WHITE POND DRIVE AKRON OH 44320
Business Address 341 WHITE POND DRIVE AKRON OH 44320 330-761-7837
FIRSTENERGY CORP (Subject) CIK: 0001031296 (see all company filings)

EIN.: 341843785 | State of Incorp.: OH | Fiscal Year End: 1231
Type: SCHEDULE 13D/A | Act: 34 | File No.: 005-53029 | Film No.: 251247448
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)

Mailing Address C/O BLACKSTONE INC. 345 PARK AVENUE NEW YORK NY 10154
Business Address C/O BLACKSTONE INC. 345 PARK AVENUE NEW YORK NY 10154 (212) 583-5000
Blackstone Holdings III L.P. (Filed by) CIK: 0001404073 (see all company filings)

EIN.: 260288853 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SCHEDULE 13D/A