Drake Sloane N 4

What Happened

• Drake Sloane, EVP & CHRO of Southern Co (SO), had the final one‑third of performance restricted stock units (PRSUs) granted on March 8, 2023 vest on March 8, 2026. The vesting converted into 2,695 shares (this total includes 145 accrued dividend equivalent units).
• The filing shows conversion/settlement activity and routine tax withholding: 633 shares were withheld to satisfy federal and state tax obligations, valued at $97.48 per share for a tax withholding amount of $61,705. After withholding, Sloane retained 2,062 shares from this vesting event.
• This was not a market purchase or open‑market sale but receipt of shares from an award vesting (routine compensation event).

Key Details

• Transaction date: 2026-03-08; Form 4 filed: 2026-03-10 (timely).
• Vesting/conversion: 2,695 PRSU shares vested (includes 145 dividend equivalents).
• Tax withholding: 633 shares withheld at $97.48/share; withholding value $61,705.
• Reported line items: 1,420 shares reported as acquired (conversion), 1,275 shares reported as conversion/derivative (reporting format), and 633 shares disposed to satisfy taxes.
• Shares owned after transaction: Not specified in the excerpt of this filing.
• Footnotes: F1 = final 1/3 of PRSUs vested (includes 145 dividend equivalents). F2 = shares withheld for tax withholding. F3 = each PRSU equals the right to one share at settlement.

Context

• This is a typical vesting/settlement of performance awards, not a buy or deliberate sale—tax withholding is routine and commonly handled by share surrender. Such filings reflect compensation being settled, not an insider signaling a buy or sell decision.
• Derivative/option code M here represents conversion/exercise/settlement of restricted stock units into shares.