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)