SOUTHERN CO — DEFA14A Filings
34 DEFA14A filings on record
This page lists all DEFA14A filings submitted to the SEC by SOUTHERN CO (SOMN), sorted by most recent first. Each row links to the full filing on EdgarLookup. SOUTHERN CO has filed 34 DEFA14A documents with the SEC since 2020. To view all SEC filings by SOUTHERN CO, see the full filings list.
All
10-K/A
10-Q/A
11-K
11-K/A
144
25-NSE
3
3/A
305B2
35-CERT
35-CERT/A
4
4/A
424A
424B1
424B2
424B3
424B4
424B5
5
8-A12B
8-K
8-K/A
ARS
CERT
CERTNYS
CORRESP
DEF 14A
DEFA14A
DEFR14A
DFAN14A
FWP
NO ACT
POS AM
POS AMC
POSASR
PRE 14A
PX14A6G
PX14A6N
REGDEX
RW
S-3
S-3/A
S-3ASR
S-3D
S-3DPOS
S-4
S-4/A
S-8
S-8 POS
SC 13E4
SC 13E4/A
SC 13G
SC 13G/A
SCHEDULE 13G/A
SD
U-1
U-1/A
U-12-IA
U-12-IB
U-9C-3
U5S
U5S/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0000092122-25-000046 | May 13, 2025 | — |
| DEFA14A | DEFA14A | 0000092122-25-000037 | Apr 11, 2025 | — |
| DEFA14A | DEFA14A | 0000092122-24-000064 | May 14, 2024 | — |
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | 0001308179-24-000516 | Apr 12, 2024 | — |
| DEFA14A | DEFA14A | 0000092122-23-000045 | May 17, 2023 | — |
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | 0001308179-23-000672 | Apr 14, 2023 | — |
| DEFA14A | DEFA14A | 0000092122-22-000026 | May 10, 2022 | — |
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | 0001206774-22-001106 | Apr 15, 2022 | — |
| DEFA14A | DEFA14A | 0000092122-21-000049 | May 13, 2021 | — |
| DEFA14A | DEFA14A | 0000092122-21-000031 | Apr 16, 2021 | — |
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | 0001206774-21-001084 | Apr 12, 2021 | — |
| DEFA14A | DEFA14A | 0000092122-20-000048 | May 8, 2020 | — |
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | 0001206774-20-001157 | Apr 13, 2020 | — |
| DEFA14A | DEFA14A | 0000092122-19-000012 | Apr 23, 2019 | — |
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | 0001206774-19-001245 | Apr 5, 2019 | — |
| DEFA14A | DEFA14A | 0000092122-18-000023 | Apr 23, 2018 | — |
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | 0001206774-18-001122 | Apr 6, 2018 | — |
| DEFA14A | DEFA14A | 0000092122-17-000030 | May 11, 2017 | — |
| DEFA14A | DEFA14A | 0000092122-17-000028 | May 3, 2017 | — |
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | 0001206774-17-001123 | Apr 7, 2017 | — |
| DEFA14A | DEFA14A | 0000092122-16-000154 | May 17, 2016 | — |
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | 0001206774-16-005387 | Apr 8, 2016 | — |
| DEFA14A | DEFA14A | 0000092122-15-000035 | May 12, 2015 | — |
| DEFA14A | DEFA14A | 0000092122-15-000033 | May 8, 2015 | — |
| DEFA14A | DEFA14A | 0000092122-15-000028 | May 5, 2015 | — |
| DEFA14A | DEFA14A | 0000092122-14-000029 | May 15, 2014 | — |
| DEFA14A | DEFA14A | 0000092122-14-000027 | May 14, 2014 | — |
| DEFA14A | — | 0000092122-12-000061 | Apr 17, 2012 | — |
| DEFA14A | — | 0000092122-12-000057 | Apr 16, 2012 | — |
| DEFA14A | — | 0000092122-11-000073 | May 18, 2011 | — |
| DEFA14A | — | 0000092122-11-000038 | Apr 14, 2011 | — |
| DEFA14A | — | 0000092122-11-000034 | Apr 13, 2011 | — |
| DEFA14A | — | 0000092122-08-000037 | May 20, 2008 | — |
| DEFA14A | — | 0000092122-01-500075 | May 14, 2001 | — |