Employer with a benefit plan ยท SEC filer
AMEREN CORPORATION
1901 CHOUTEAU AVENUE, ST. LOUIS, MO 63103
EIN
43-1723446
SEC CIK
0001002910
SEC · 2026-08-24
Industry (SIC)
Electric & Other Services Combined (4931)
SEC · 2026-08-24
State of incorporation
MO
SEC · 2026-08-24
Ticker
AEE
SEC · 2026-08-24
Latest SEC filing
8-K 2026-08-24
SEC · 2026-08-24
Benefit plan 510, 2024 filing
AMEREN EMPLOYEE MEDICAL PLAN
DOL · 2025-10-15
Participants (start of year)
9,100
DOL · 2025-10-15
Plan features
code 4A4D4E
DOL · 2025-10-15
Plan type
Single-employer plan
DOL · 2025-10-15
Business code (NAICS)
221100
DOL · 2025-10-15
Benefit plan 503, 2024 filing
AMEREN MISCELLANEOUS WELFARE AND FRINGE BENEFIT PLAN
DOL · 2025-10-15
Participants (start of year)
9,533
DOL · 2025-10-15
Plan features
code 4B4H4I4L4Q
DOL · 2025-10-15
Plan type
Single-employer plan
DOL · 2025-10-15