Ameren Illinois Co (AILIH, AILIM, AILIN, AILIO, AILIP, AILLI, AILLM, AILLN, AILLO, AILLP)

CIK 18654 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for Ameren Illinois Co.

Recent SEC filings

FiledFormAccession number
Aug 24, 20268-K0001104659-26-100236
Aug 18, 2026424B20001104659-26-098262
Aug 17, 2026424B30001104659-26-097582
Aug 17, 2026FWP0001104659-26-097908
Aug 4, 2026S-3ASR0001104659-26-090283
Aug 3, 202610-Q0001002910-26-000023
May 18, 20268-K0001104659-26-063184
May 8, 202610-Q0001002910-26-000015
Mar 31, 2026DEFA14C0001104659-26-037793
Mar 31, 2026DEF 14C0001104659-26-037783
Feb 18, 202610-K0001002910-26-000009
Dec 10, 20258-K0001104659-25-119977
Nov 6, 202510-Q0001002910-25-000129
Sep 26, 20258-K0001104659-25-093779
Sep 16, 2025424B20001104659-25-090464
Sep 15, 2025424B30001104659-25-089789
Sep 15, 2025FWP0001104659-25-090044
Aug 4, 202510-Q0001002910-25-000112
May 12, 20258-K0001104659-25-046956
May 5, 202510-Q0001002910-25-000098
Mar 25, 2025DEFA14C0001104659-25-027829
Mar 25, 2025DEF 14C0001104659-25-027828
Mar 3, 20258-K0001104659-25-019676
Feb 25, 2025424B20001104659-25-016889
Feb 24, 2025FWP0001104659-25-016549