# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001002910-26-000009
Filing Date
2026-02-18
Accepted
2026-02-18 16:15:10
Documents
205
Period of Report
2025-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | aee-20251231.htm iXBRL | 10-K | 7909031
2 | 2026 AMEREN EXECUTIVE INCENTIVE PLAN | aee202510-kxexhibit1020.htm | EX-10.20 | 81249
3 | 2026 BASE SALARY TABLE FOR NAMED EXECUTIVE OFFICERS | aee202510-kxexhibit1022.htm | EX-10.22 | 12593
4 | REVISED CHANGE OF CONTROL SEVERANCE PLAN | aee202510-kxexhibit1025.htm | EX-10.25 | 7897
5 | FORMULA FOR DETERMINING 2026 TARGET PERFORMANCE SHARE UNIT AWARDS | aee202510-kxexhibit1029.htm | EX-10.29 | 18661
6 | 2026 PERFORMANCE SHARE UNIT AWARD AGREEMENT - SHAREHOLDER RETURN METRIC | aee202510-kxexhibit1041.htm | EX-10.41 | 96836
7 | 2026 PERFORMANCE SHARE UNIT AWARD AGREEMENT - ENERGY RESOURCE DEVELOPMENT METRIC | aee202510-kxexhibit1042.htm | EX-10.42 | 82866
8 | 2026 RESTRICTED STOCK UNIT AWARD AGREEMENT | aee202510-kxexhibit1043.htm | EX-10.43 | 69071
9 | SPECIAL RESTRICTED STOCK UNIT AWARD AGREEMENT | aee202510-kxexhibit1044.htm | EX-10.44 | 380532
10 | BONUS AGREEMENT | aee202510-kxexhibit1045.htm | EX-10.45 | 199090
11 | RESTRICTED STOCK UNIT AWARD AGREEMENT | aee202510-kxexhibit1046.htm | EX-10.46 | 63089
12 | AMEREN CORPORATION SEVERANCE PLAN FOR AMEREN OFFICERS | aee202510-kxexhibit1047.htm | EX-10.47 | 343212
13 | SUBSIDIARIES OF AMEREN | aee202510-kxexhibit211.htm | EX-21.1 | 12600
14 | CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM | aee202510-kxexhibit231.htm | EX-23.1 | 2018
15 | CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM | aee202510-kxexhibit232.htm | EX-23.2 | 1897
16 | CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM | aee202510-kxexhibit233.htm | EX-23.3 | 1898
17 | POWER OF ATTORNEY | aee202510-kxexhibit241.htm | EX-24.1 | 12222
18 | POWER OF ATTORNEY | aee202510-kxexhibit242.htm | EX-24.2 | 5426
19 | POWER OF ATTORNEY | aee202510-kxexhibit243.htm | EX-24.3 | 4277
20 | CERTIFICATION | aee202510-kxexhibit311.htm | EX-31.1 | 8809
21 | CERTIFICATION | aee202510-kxexhibit312.htm | EX-31.2 | 9332
22 | CERTIFICATION | aee202510-kxexhibit313.htm | EX-31.3 | 9461
23 | CERTIFICATION | aee202510-kxexhibit314.htm | EX-31.4 | 9481
24 | CERTIFICATION | aee202510-kxexhibit315.htm | EX-31.5 | 9490
25 | CERTIFICATION | aee202510-kxexhibit316.htm | EX-31.6 | 9478
26 | CERTIFICATION | aee202510-kxexhibit321.htm | EX-32.1 | 5873
27 | CERTIFICATION | aee202510-kxexhibit322.htm | EX-32.2 | 5839
28 | CERTIFICATION | aee202510-kxexhibit323.htm | EX-32.3 | 5835
34 |  | aee-20251231_g1.jpg | GRAPHIC | 32380
35 |  | aee-20251231_g10.jpg | GRAPHIC | 47222
36 |  | aee-20251231_g11.jpg | GRAPHIC | 32079
37 |  | aee-20251231_g12.jpg | GRAPHIC | 51565
38 |  | aee-20251231_g13.jpg | GRAPHIC | 29352
39 |  | aee-20251231_g14.jpg | GRAPHIC | 41702
40 |  | aee-20251231_g15.jpg | GRAPHIC | 28496
41 |  | aee-20251231_g16.jpg | GRAPHIC | 42503
42 |  | aee-20251231_g17.jpg | GRAPHIC | 31694
43 |  | aee-20251231_g18.jpg | GRAPHIC | 49006
44 |  | aee-20251231_g19.jpg | GRAPHIC | 28213
45 |  | aee-20251231_g2.jpg | GRAPHIC | 26235
46 |  | aee-20251231_g20.jpg | GRAPHIC | 43900
47 |  | aee-20251231_g21.jpg | GRAPHIC | 42898
48 |  | aee-20251231_g3.jpg | GRAPHIC | 31500
49 |  | aee-20251231_g4.jpg | GRAPHIC | 225126
50 |  | aee-20251231_g5.jpg | GRAPHIC | 124920
51 |  | aee-20251231_g6.jpg | GRAPHIC | 26053
52 |  | aee-20251231_g7.jpg | GRAPHIC | 30477
53 |  | aee-20251231_g8.jpg | GRAPHIC | 37106
54 |  | aee-20251231_g9.jpg | GRAPHIC | 37497
55 |  | amerenfooter.jpg | GRAPHIC | 2581
56 |  | amerenfootera.jpg | GRAPHIC | 2539
57 |  | image.jpg | GRAPHIC | 4080
58 |  | image1.jpg | GRAPHIC | 12827
59 |  | image1a.jpg | GRAPHIC | 9256
60 |  | image_0.jpg | GRAPHIC | 327973
61 |  | image_0a.jpg | GRAPHIC | 4896
62 |  | image_1.jpg | GRAPHIC | 71263
63 |  | image_1a.jpg | GRAPHIC | 4950
64 |  | image_2.jpg | GRAPHIC | 45780
65 |  | image_3.jpg | GRAPHIC | 333
66 |  | image_3a.jpg | GRAPHIC | 147521
67 |  | imageb.jpg | GRAPHIC | 4080
68 |  | imagec.jpg | GRAPHIC | 4080
69 |  | imaged.jpg | GRAPHIC | 59972
70 |  | imagee.jpg | GRAPHIC | 9549
71 |  | imagef.jpg | GRAPHIC | 67108
72 |  | tableofcontentsa.jpg | GRAPHIC | 109081
| Complete submission text file | 0001002910-26-000009.txt |  | 41311796

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
29 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | aee-20251231.xsd | EX-101.SCH | 169430
30 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | aee-20251231_cal.xml | EX-101.CAL | 125845
31 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | aee-20251231_def.xml | EX-101.DEF | 1207881
32 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | aee-20251231_lab.xml | EX-101.LAB | 1597628
33 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | aee-20251231_pre.xml | EX-101.PRE | 1433052
208 | EXTRACTED XBRL INSTANCE DOCUMENT | aee-20251231_htm.xml | XML | 8801093

Mailing Address 10 RICHARD MARK WAY COLLINSVILLE IL 62234
Business Address 10 RICHARD MARK WAY COLLINSVILLE IL 62234 618-343-8150
Ameren Illinois Co (Filer) CIK: 0000018654 (see all company filings)

EIN.: 370211380 | State of Incorp.: IL | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-03672 | Film No.: 26648456
SIC: 4931 Electric & Other Services Combined
(CF Office: 01 Energy & Transportation)

Mailing Address 1901 CHOUTEAU AVENUE MC 1310 ST LOUIS MO 63166
Business Address 1901 CHOUTEAU AVENUE MC 1310 ST LOUIS MO 63166 314-621-3222
UNION ELECTRIC CO (Filer) CIK: 0000100826 (see all company filings)

EIN.: 430559760 | State of Incorp.: MO | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-02967 | Film No.: 26648455
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)

Mailing Address 1901 CHOUTEAU AVE MC 1310 ST LOUIS MO 63103
Business Address 1901 CHOUTEAU AVE MC 1310 ST LOUIS MO 63166-6149 314-621-3222
AMEREN CORP (Filer) CIK: 0001002910 (see all company filings)

EIN.: 431723446 | State of Incorp.: MO | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-14756 | Film No.: 26648454
SIC: 4931 Electric & Other Services Combined
(CF Office: 01 Energy & Transportation)