Spainhour Sterling A Jr. 4

What Happened
Sterling A. Spainhour Jr., Executive Vice President & Chief Legal Officer of Southern Co (SO), executed a discretionary sale of 6,330.007 shares on 2026-03-06 at $97.64 per share, totaling $618,062. The filing notes this sale was made in connection with rebalancing of a 401(k) plan.

Key Details

• Transaction date: 2026-03-06; Price: $97.64; Shares sold: 6,330.007; Proceeds: $618,062 (reported).
• Transaction type/code: Disposition (sale), discretionary transaction (I).
• Footnote: Sale was in connection with 401(k) rebalancing (routine plan activity).
• Filing: Form 4 accession 0001193125-26-100026 filed 2026-03-10 — appears timely (filed within the two-business-day window).
• Shares owned after transaction: Not specified in the provided filing excerpt.

Context
Sales made for 401(k) rebalancing are common and usually reflect routine portfolio adjustments rather than a direct signal about the insider’s view of the company. For retail investors, purchases are generally more indicative of positive insider sentiment; this reported transaction appears to be routine plan-related selling rather than a directional bet on Southern Co.