# EDGAR Filing Document

**Accession Number:** 0000100826
**File Stem:** 0001104659-26-063184
**Filing Date:** 2026-5
**Character Count:** 10123
**Document Hash:** 3f16df3ea1146a0e2726b8ea1885c087
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-063184.hdr.sgml**: 20260518

**ACCESSION NUMBER**: 0001104659-26-063184

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20260514

**ITEM INFORMATION**: Submission of Matters to a Vote of Security Holders

**FILED AS OF DATE**: 20260518

**DATE AS OF CHANGE**: 20260518

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AMEREN CORP
- **CENTRAL INDEX KEY:** 0001002910
- **STANDARD INDUSTRIAL CLASSIFICATION:** ELECTRIC & OTHER SERVICES COMBINED [4931]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 431723446
- **STATE OF INCORPORATION:** MO
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-14756
- **FILM NUMBER:** 26993120

**BUSINESS ADDRESS:**
- **STREET 1:** 1901 CHOUTEAU AVE
- **STREET 2:** MC 1310
- **CITY:** ST LOUIS
- **STATE:** MO
- **ZIP:** 63166-6149
- **BUSINESS PHONE:** 314-621-3222

**MAIL ADDRESS:**
- **STREET 1:** 1901 CHOUTEAU AVE
- **STREET 2:** MC 1310
- **CITY:** ST LOUIS
- **STATE:** MO
- **ZIP:** 63103
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Ameren Illinois Co
- **CENTRAL INDEX KEY:** 0000018654
- **STANDARD INDUSTRIAL CLASSIFICATION:** ELECTRIC & OTHER SERVICES COMBINED [4931]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 370211380
- **STATE OF INCORPORATION:** IL
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-03672
- **FILM NUMBER:** 26993121

**BUSINESS ADDRESS:**
- **STREET 1:** 10 RICHARD MARK WAY
- **CITY:** COLLINSVILLE
- **STATE:** IL
- **ZIP:** 62234
- **BUSINESS PHONE:** 618-343-8150

**MAIL ADDRESS:**
- **STREET 1:** 10 RICHARD MARK WAY
- **CITY:** COLLINSVILLE
- **STATE:** IL
- **ZIP:** 62234

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CENTRAL ILLINOIS PUBLIC SERVICE CO
- **DATE OF NAME CHANGE:** 19920703
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** UNION ELECTRIC CO
- **CENTRAL INDEX KEY:** 0000100826
- **STANDARD INDUSTRIAL CLASSIFICATION:** ELECTRIC SERVICES [4911]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 430559760
- **STATE OF INCORPORATION:** MO
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-02967
- **FILM NUMBER:** 26993122

**BUSINESS ADDRESS:**
- **STREET 1:** 1901 CHOUTEAU AVENUE
- **STREET 2:** MC 1310
- **CITY:** ST LOUIS
- **STATE:** MO
- **ZIP:** 63166
- **BUSINESS PHONE:** 314-621-3222

**MAIL ADDRESS:**
- **STREET 1:** 1901 CHOUTEAU AVENUE
- **STREET 2:** MC 1310
- **CITY:** ST LOUIS
- **STATE:** MO
- **ZIP:** 63166

?xml version='1.0' encoding='ASCII'?

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**FORM 8-K**

**CURRENT REPORT**

**Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934**

**Date of report (Date of earliest event reported): May 14, 2026** 

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;<br>**<u>Commission File Number</u>** | &nbsp;&nbsp;**Exact Name of Registrant as <br> Specified in Charter;**<br> **State of Incorporation;**<br> **<u>Address and Telephone Number</u>** | &nbsp;&nbsp;<br> **IRS Employer**<br> **<u>Identification Number</u>** |
| &nbsp;&nbsp;<br>**1-14756** | &nbsp;&nbsp; <br>**Ameren Corporation**<br> **(Missouri Corporation)**<br> **1901 Chouteau Avenue**<br> **St. Louis** **, Missouri 63103**<br> **(314) 621-3222**  | &nbsp;&nbsp;<br>**43-1723446** |

---

---

| | | |
|:---|:---|:---|
| **1-2967** | **Union Electric Company**<br> **(Missouri Corporation)**<br> **1901 Chouteau Avenue**<br> **St. Louis, Missouri 63103**<br> **(314) 621-3222**  | **43-0559760** |

---

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;**1-3672** | &nbsp;&nbsp;**Ameren Illinois Company**<br> **(Illinois Corporation)**<br> **10 Richard Mark Way**<br> **Collinsville** **, Illinois 62234** <br> **(618) 343-8150** | &nbsp;&nbsp;**37-0211380** |

---

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrants under any of the following provisions:

◻ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

◻ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

◻ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

◻ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

---

| | |
|:---|:---|
| **Title of each class** | **Name of each exchange <br> on which registered** |
| **Common Stock, $0.01 par value per<br> share**<br> **AEE** | **New York Stock Exchange** |

---

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

---

| | |
|:---|:---|
|  | Emerging Growth Company |
| Ameren Corporation | ◻ |
| Union Electric Company | ◻ |
| Ameren Illinois Company | ◻ |

---

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

Ameren Corporation ◻ <br> Union Electric Company ◻ <br> Ameren Illinois Company ◻

**ITEM 5.07 Submission of Matters to a Vote of Security Holders.**

At the annual meeting of shareholders of each of Ameren Corporation ("Ameren"), Union Electric Company, doing business as Ameren Missouri ("Ameren Missouri"), and Ameren Illinois Company, doing business as Ameren Illinois ("Ameren Illinois"), held on May 14, 2026 ("Annual Meeting"), the matters listed below were submitted to a vote of each company's respective shareholders.

**<u>Ameren</u>**

Item (1): Election of Directors

The following individuals (comprising Ameren's full Board of Directors) were elected:

---

| | | | | |
|:---|:---|:---|:---|:---|
| **Name** | **Votes For** | **Votes Against** | **Abstentions** | **Broker Non-Votes** |
| Cynthia J. Brinkley | 211811213 | 6224999 | 509328 | 24519860 |
| Ward H. Dickson | 215897083 | 2148175 | 500282 | 24519860 |
| Jamie L. Engstrom | 216191429 | 1854870 | 499241 | 24519860 |
| Ellen M. Fitzsimmons | 210790937 | 7306393 | 448210 | 24519860 |
| Rafael Flores | 212466281 | 5556585 | 522674 | 24519860 |
| Richard J. Harshman | 211458704 | 6517496 | 569340 | 24519860 |
| Craig S. Ivey | 213177307 | 4882181 | 486052 | 24519860 |
| Steven H. Lipstein | 203929254 | 14096981 | 519305 | 24519860 |
| Martin J. Lyons, Jr. | 211634204 | 6520326 | 391010 | 24519860 |
| Leo S. Mackay, Jr. | 215933079 | 2121870 | 490591 | 24519860 |
| Timothy S. Rausch | 215974758 | 1948882 | 621900 | 24519860 |
| Steven O. Vondran | 215831571 | 2064068 | 649901 | 24519860 |

---

Item (2): Advisory Approval of Executive Compensation

---

| | | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|:---|
| **Vote Result** | **Votes For** | **Votes For** | **Votes Against** | **Votes Against** | **Abstentions** | **Abstentions** | **Broker Non-Votes** | **Broker Non-Votes** |
| Approved |  | 208210735 |  | 9383298 |  | 951507 |  | 24519860 |

---

Item (3): Ratification of the Appointment of PricewaterhouseCoopers LLP as Independent Registered Public Accounting Firm for the Fiscal Year Ending December 31, 2026

---

| | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|
| **Vote Result** | **Votes For** | **Votes For** | **Votes Against** | **Votes Against** | **Abstentions** | **Abstentions** | **Broker Non-Votes** |
| Approved |  | 232732466 |  | 9840141 |  | 492793 |  |

---

**<u>Ameren Missouri</u>**

Item (1): Election of Directors

At Ameren Missouri's Annual Meeting, the following individuals (comprising Ameren Missouri's full Board of Directors) were elected: Michael L. Moehn, Ajay K. Arora, David M. Feinberg, Ryan J. Martin, and Leonard P. Singh. Each individual received 102,123,834 votes for election and no withheld votes, abstentions or broker non-votes.

**<u>Ameren Illinois</u>**

Item (1): Election of Directors

At Ameren Illinois' Annual Meeting, the following individuals (comprising Ameren Illinois' full Board of Directors) were elected: Patrick E. Smith Sr., David M. Feinberg, Michael L. Moehn, Theresa A. Shaw, and Leonard P. Singh. Each individual received 25,452,373 votes for election and no withheld votes, abstentions or broker non-votes.

This combined Form 8-K is being filed separately by Ameren Corporation, Union Electric Company and Ameren Illinois Company (each a "registrant"). Information contained herein relating to any individual registrant has been filed by such registrant on its own behalf. No registrant makes any representation as to information relating to any other registrant.

**SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, each registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. The signature for each undersigned company shall be deemed to relate only to matters having reference to such company or its subsidiaries.

---

| | |
|:---|:---|
| AMEREN CORPORATION | AMEREN CORPORATION |
| (Registrant) | (Registrant) |
| By: | /s/ David M. Feinberg |
| Name: | David M. Feinberg |
| Title: | Executive Vice President, General Counsel and Secretary |
| UNION ELECTRIC COMPANY | UNION ELECTRIC COMPANY |
| (Registrant) | (Registrant) |
| By: | /s/ David M. Feinberg |
| Name: | David M. Feinberg |
| Title: | Executive Vice President, General Counsel and Secretary |
| AMEREN ILLINOIS COMPANY | AMEREN ILLINOIS COMPANY |
| (Registrant) | (Registrant) |
| By: | /s/ David M. Feinberg |
| Name: | David M. Feinberg |
| Title: | Executive Vice President, General Counsel and Secretary |

---

Date: May 18, 2026