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  • The Company’s Obligations Under the Contract Adjustment Payments Are Subordinated and Junior In Right of Payment to All of the Company’s Senior Indebtedness. (new) — Contract adjustment payments on the Equity Units are subordinated to all Senior Indebtedness, increasing risk for investors if the company defaults on senior debt.
  • As of September 30, 2025, On a Consolidated Basis, the Company Had Approximately $72.6 Billion Principal Amount of Outstanding Long-term Debt... of Which Approximately $48.2 Billion Was Long-term Debt... of the Company’s Subsidiaries. (new) — As a holding company, Southern Co.'s claims are structurally subordinated to $48.2 billion of subsidiary debt, meaning subsidiary creditors would be paid before Equity Unit holders in a bankruptcy.
NYSE: SO SOUTHERN CO 424B5

Southern Co. offers 35M Equity Units at $50 stated amount, raising $1.75B to repurchase convertible notes and repay debt

Filed November 3, 2025 · ~2 min read

Key Changes

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    Southern Company is offering 35,000,000 Equity Units at a $50 stated amount each, for a base offering size of $1.75 billion before any over-allotment option.

    The Offering verify on EDGAR →
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    Each Equity Unit is a hybrid security combining a purchase contract to buy Southern common stock on Dec. 15, 2028, with interests in two series of remarketable senior notes due 2030 and 2033.

    The Offering verify on EDGAR →
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    Net proceeds will be used to repurchase existing convertible notes, repay $407 million of short-term debt, and redeem $1.25 billion of junior subordinated notes.

    Use of Proceeds verify on EDGAR →

2 more material changes behind this preview — plus the full narrative summary, section-by-section diffs against the prior filing, and verbatim quotes with EDGAR citations.

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Figures/quotes linked to EDGAR · Narrative written by AI · Sep 3, 2026 · How we verify