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Southern Company Officer Files Form 144 for Routine 100-Share Sale

Low SignificanceNovember 2, 2026 at 4:46:47 PM EST

SOUTHERN CO

$SO144CIK: 0000092122

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Filing Summary

Proposed sale of 100 shares ($9,339) of Common Stock by Officer Matthew Kim, under a Rule 10b5-1 plan adopted on 11/25/2025.

Comprehensive Analysis

Overview

On November 2, 2026, Matthew Kim, an Officer of Southern Company ($SO), filed SEC Form 144 indicating an intent to sell 100 shares of common stock with an aggregate market value of approximately $9,339 via Merrill Lynch.

Transaction Details

  • Security: Common Stock
  • Proposed Sale Date: November 2, 2026
  • Shares to be Sold: 100
  • Estimated Aggregate Market Value: $9,339 (~$93.39 per share)
  • Shares Outstanding: 1,150,362,966
  • Acquisition Origin: The shares were acquired on February 7, 2024, via a Performance Stock Vest directly from Southern Company.
  • Trading Plan: The planned sale is executed pursuant to a Rule 10b5-1 trading plan adopted on November 25, 2025.

Prior Sales in the Past 3 Months

  • October 1, 2026: 100 shares for $8,273
  • September 3, 2026: 1,400 shares for $124,418
  • September 1, 2026: 100 shares for $8,845
  • August 3, 2026: 100 shares for $9,428

Significance

The transaction represents a negligible portion of the company's outstanding share count and appears to be part of pre-scheduled routine liquidity or tax-related sales under an established 10b5-1 plan. Trading significance is assessed as Low.

Topics:#SO#SouthernCompany#Form144#StockSale#InsiderTrading

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