InsiderTrades

Form 4 for SO Southern Company

Accepted 2026-02-13 00:00:00 ET · period of report 2026-02-11 · accession 0001193125-26-051198 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DM 2026-02-13 2026-02-11 SO Peoples James Jeffrey COB, Pres, CEO, APC F - Tax $90.86 -20.0K 40.6K -33% -$1.81M
D 2026-02-13 2026-02-11 SO Peoples James Jeffrey COB, Pres, CEO, APC A - Grant $0.00 +41.8K 59.2K +240% $0
D 2026-02-13 2026-02-11 SO Peoples James Jeffrey COB, Pres, CEO, APC M - OptEx $0.00 +2,929 43.6K +7% $0
D 2026-02-13 2026-02-11 SO Peoples James Jeffrey COB, Pres, CEO, APC M - OptEx $0.00 -2,833 5,666 -33% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Southern Company Common Stock 2026-02-11 F D 1,438 $90.86 42,140 D — — (F2) Shares withheld to satisfy required state and federal tax withholding requirements.
2 Common Southern Company Common Stock 2026-02-11 A A 41,770 $0.00 59,175 D — — (F1) Shares acquired upon vesting of performance share units under Company's Performance Share Program for the 2023-2025 award. The Compensation and Talent Development Committee certified performance on February 11, 2026. Includes accrued dividend equivalent units.
3 Common Southern Company Common Stock 2026-02-11 M A 2,929 $0.00 43,578 D — — (F3) Shares acquired upon vesting of first 1/3 of performance restricted stock units granted on February 5, 2025. The Compensation and Talent Development Committee certified performance on February 11, 2026. Includes 96 accrued dividend equivalent units.
4 Common Southern Company Common Stock 2026-02-11 F D 18,526 $90.86 40,649 D — — (F2) Shares withheld to satisfy required state and federal tax withholding requirements.
5 Derivative Performance Restricted Stock Units 2026-02-11 M D 2,833 $0.00 5,666 D $0.00 · — to — 2,833 Southern Company Common Stock (F4) Represents first 1/3 of performance restricted stock units granted on February 5, 2025. The remaining award will vest 1/3 in 2027 and 1/3 in 2028. Each restricted stock unit represents the right to receive, at settlement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.