| Mar 19, 2026 (view filing) | Mar 19 | Same day | Cummiskey ChristopherEVP | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Southern Company Common Stock | −6.67K | $96.55 | −$643.9K | −17.8%30.8K after | |
| May 27, 2025 (view filing) | May 23 | 4 days | Cummiskey ChristopherEVP | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Southern Company Common Stock | −12.3K | $89.54 | −$1.10M | −35.4%22.5K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Feb 20, 2025 (view filing) | Feb 19 | 1 day | Cummiskey ChristopherEVP | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Southern Company Common Stock | −944 | $86.00 | −$81.2K | −2.6%34.8K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Feb 5, 2025 (view filing) | Feb 4 | 1 day | Cummiskey ChristopherEVP & CCO | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Southern Company Common Stock | −837 | $83.32 | −$69.7K | −3.6%22.5K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Feb 16, 2024 (view filing) | Feb 15-16 | 1 day | Cummiskey ChristopherEVP & CCCS Officer | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Southern Company Common Stock | −13.9K | $67.10 | −$931.9K | −38.2%22.5K after | 2 lotsThis row combines 2 trades of the same kind from one filing. The price is the value-weighted average.10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Feb 13, 2024 (view filing) | Feb 12 | 1 day | Cummiskey ChristopherEVP & CCCS Officer | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Southern Company Common Stock | −883 | $66.94 | −$59.1K | −2.4%35.5K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Feb 7, 2024 (view filing) | Feb 6 | 1 day | Cummiskey ChristopherEVP & CCCS Officer | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Southern Company Common Stock | −899 | $67.06 | −$60.3K | −3.8%22.5K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Aug 31, 2023 (view filing) | Aug 29 | 2 days | Cummiskey ChristopherEVP & CCCS Officer | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Southern Company Common Stock | −5.00K | $68.30 | −$341.5K | −18.2%22.5K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Feb 17, 2023 (view filing) | Feb 16 | 1 day | Cummiskey ChristopherEVP & CCCS Officer | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Southern Company Common Stock | −1.28K | $66.60 | −$85.4K | −4.5%27.5K after | |
| Feb 9, 2023 (view filing) | Feb 8 | 1 day | Cummiskey ChristopherEVP & CCCS Officer | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Southern Company Common Stock | −852 | $67.31 | −$57.3K | −3.7%22.1K after | |
| Jan 5, 2023 (view filing) | Jan 4 | 1 day | Cummiskey ChristopherEVP & CCCS Officer | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Southern Company Common Stock | −1.03K | $72.03 | −$74.0K | −4.4%22.1K after | |
| Mar 2, 2022 (view filing) | Mar 1 | 1 day | Cummiskey ChristopherEVP & CCCS Officer | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Southern Company Common Stock | −2.00K | $64.73 | −$129.5K | −8.3%22.1K after | |
| Feb 24, 2022 (view filing) | Feb 23 | 1 day | Cummiskey ChristopherEVP & CCCS Officer | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Southern Company Common Stock | −909 | $63.61 | −$57.8K | −3.6%24.1K after | |
| Feb 18, 2022 (view filing) | Feb 16 | 2 days | Cummiskey ChristopherEVP & CCCS Officer | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Southern Company Common Stock | −874 | $65.07 | −$56.9K | −3.4%25.0K after | |
| Jan 6, 2022 (view filing) | Jan 5 | 1 day | Cummiskey ChristopherEVP & CCCS Officer | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Southern Company Common Stock | −989 | $67.65 | −$66.9K | −5.7%16.5K after | |
| Dec 2, 2021 (view filing) | Dec 1 | 1 day | Cummiskey ChristopherEVP & CCCS Officer | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Southern Company Common Stock | −2.00K | $61.45 | −$122.9K | −11.2%15.8K after | |
| Sep 2, 2021 (view filing) | Sep 1 | 1 day | Cummiskey ChristopherEVP & CCCS Officer | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Southern Company Common Stock | −1.50K | $65.97 | −$99.0K | −7.8%17.8K after | |
