InsiderTrades

Form 4 for SO Southern Company

Accepted 2026-03-10 00:00:00 ET · period of report 2026-03-08 · accession 0001193125-26-100033 · 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
D 2026-03-10 2026-03-08 SO Drake Sloane N EVP, CHRO F - Tax $97.48 -633 38.9K -2% -$61.7K
D 2026-03-10 2026-03-08 SO Drake Sloane N EVP, CHRO M - OptEx $0.00 +1,420 39.6K +4% $0
D 2026-03-10 2026-03-08 SO Drake Sloane N EVP, CHRO M - OptEx $0.00 -1,275 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Southern Company Common Stock 2026-03-08 F D 633 $97.48 38,932 D — — (F2) Shares withheld to satisfy required state and federal tax withholding requirements.
2 Common Southern Company Common Stock 2026-03-08 M A 1,420 $0.00 39,565 D — — (F1) Shares acquired upon vesting of the final 1/3 of performance restricted stock units granted on March 8, 2023. Includes 145 accrued dividend equivalent units.
3 Derivative Performance Restricted Stock Units Holding 2026-03-08 M D 1,275 $0.00 0 D $0.00 · — to — 1,275 Southern Company Common Stock (F3) Represents the final 1/3 of performance restricted stock units granted on March 8, 2023. Each restricted stock unit represents the right to receive, at settlement, one share of common stock.