Union Electric Co.

UELMO

Financials

10-QQ3 ended 09/30/1411/10/14 10-QQ2 ended 06/30/1408/11/14 10-QQ1 ended 03/31/1405/12/14 10-KFY 201303/03/14 10-QQ3 ended 09/30/1311/08/13

Disclosures

8-KCurrent report12/20/24 8-KCurrent report12/12/24 8-KCurrent report12/18/14 8-KCurrent report12/11/14 8-KCurrent report07/03/14

Prospectuses and Registrations

S-3ASRAutomatic shelf registration08/04/26 424B2Prospectus for primary offering06/16/26 424B3Prospectus06/15/26 FWPFree writing prospectus06/15/26 424B2Prospectus for primary offering02/24/26

Proxies

DEF 14CDefinitive information statement03/31/26 DEFA14CAdditional info (information statement)03/31/26 DEF 14CDefinitive information statement03/25/25 DEFA14CAdditional info (information statement)03/25/25 DEF 14CDefinitive information statement04/05/24

Ownership

SC 13G/ABeneficial ownership (amended)02/14/22 SC 13G/ABeneficial ownership (amended)02/18/21 SC 13G/ABeneficial ownership (amended)02/18/21 SC 13G/ABeneficial ownership (amended)02/12/21 SC 13G/ABeneficial ownership (amended)02/12/21

Other

EFFECTRequest for effectiveness12/06/24 CORRESPCorrespondence with the SEC12/04/24 CORRESPCorrespondence with the SEC12/04/24 CORRESPCorrespondence with the SEC11/15/24 SF-1/ASF-1/A11/15/24