Here are the 8-K filings from Ameren Illinois 4 PFD (AILLP) in our archive since June 2025, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
An 8-K covers material events a company has to report between its quarterly reports, so if you follow AILLP and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full AILLP filings page.
Ameren Illinois Co (symbol AILIH), a subsidiary of Ameren Corporation, issued $400 million principal amount of its 5.50% First Mortgage Bonds due 2036 on August 24, 2026. The bonds were sold under an effective Registration Statement on Form S-3 and related prospectus and prospectus supplement.
Ameren Illinois received approximately $397.4 million in net offering proceeds, before expenses. The company also listed as exhibits the underwriting agreement, the general mortgage indenture and deed of trust, a supplemental indenture for these bonds, and legal opinions confirming the bonds’ validity.
Ameren Corporation and its utility subsidiaries reported the results of their May 14, 2026 annual shareholder meetings. All Ameren director nominees were elected, with individual support generally exceeding 200 million votes for each candidate and sizable broker non-vote totals reflecting held-in-street-name shares.
Shareholders gave advisory approval to Ameren’s executive compensation, with 208,210,735 votes for, 9,383,298 against and 951,507 abstentions, indicating clear but not unanimous support. They also ratified PricewaterhouseCoopers LLP as independent registered public accounting firm for the fiscal year ending December 31, 2026, by 232,732,466 votes for, 9,840,141 against and 492,793 abstentions.
At Ameren Missouri, all five director nominees each received 102,123,834 votes for election with no withheld votes, abstentions or broker non-votes. At Ameren Illinois, all five nominees each received 25,452,373 votes for election, also with no withheld votes, abstentions or broker non-votes, indicating unanimous support among shares voted at the utility subsidiaries.