Southern Co Comptroller Matthew M. Kim Sells 100 Shares via Rule 10b5-1 Plan
SOUTHERN CO
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Filing Summary
📋 Form 4 Filing Alert: SOUTHERN CO ($SO) Insider: Matthew M. Kim (Comptroller) Action: Sold 100 shares @ $88.45 ($8,845 total) Rule 10b5-1: Yes Direct Holdings After: 6,399.55 shares Indirect Holdings (401k): 1,222.207 shares
Comprehensive Analysis
Executive Summary
On September 1, 2026, Matthew M. Kim, Comptroller of Southern Co ($SO), executed an open-market sale of 100 shares of Common Stock at a price of $88.45 per share, totaling $8,845. The trade was made pursuant to a Rule 10b5-1 trading plan.
Transaction Details
- Security: Southern Company Common Stock
- Transaction Type: Open Market Sale (Code: S)
- Shares Sold: 100 shares
- Execution Price: $88.45 per share
- Gross Proceeds: $8,845
- Ownership After Transaction:
- Direct: 6,399.55 shares
- Indirect (401(k)): 1,222.207 shares
Trading Significance
This transaction carries Low significance due to the nominal dollar amount ($8,845) and small volume (100 shares) relative to the insider's total holdings and Southern Co's overall market capitalization. Furthermore, the transaction was executed under an affirmative Rule 10b5-1 plan defense.
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