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SOUTHERN CO (SO) reported that Comptroller Matthew M. Kim sold 1,400 shares of Southern Company common stock on September 3, 2026 in a sale classified as an open-market or private transaction at $88.87 per share. After this sale, he held 4,988 shares directly and 1,222.207 shares indirectly through a 401(k). No Rule 10b5-1 trading plan is reported for these transactions.
SOUTHERN CO (SO) reported that Peter P. Sena III, Chairman, President & CEO of Southern Nuclear Company (SNC), sold 4,266 shares of Southern Company Common Stock on September 3, 2026 in an open-market or private transaction at $88.59 per share.
After this sale, he directly holds 26,935 shares of Southern Company Common Stock, and the transaction is affirmed as made under a Rule 10b5-1 trading plan.
SOUTHERN CO (SO) received a Form 144 notice indicating that officer Peter P. Sena III plans a proposed sale of up to 4,266 shares of Southern common stock through Merrill Lynch on September 3, 2026 on the NYSE. The shares relate to restricted stock units that vested on December 15, 2024 as compensatory payments.
SOUTHERN CO (SO) has an officer, Matthew Kim, filing a Rule 144 notice to sell up to 1,400 shares of Southern Company common stock through Merrill Lynch on the NYSE. The shares were acquired via vested performance stock and restricted stock unit awards treated as compensatory payments.
The filing also lists recent sales by Matthew Kim totaling 300 shares of common stock over the past three months in three separate 100‑share transactions.
SOUTHERN CO (SO) reports that Comptroller Matthew M. Kim sold 100 shares of Southern Company Common Stock on September 1, 2026, at $88.45 per share in an open-market or private transaction under a Rule 10b5-1 trading plan. After this sale, he holds 6,399.55 shares directly and 1,222.207 shares indirectly through a 401(k).
SOUTHERN CO (SO) reported that officer Matthew Kim filed a notice of proposed sale of restricted securities under Rule 144. The notice covers 100 shares of common stock of The Southern Company, with an aggregate market value of 8,845, to be sold through Merrill Lynch on or after September 1, 2026 on the NYSE. The shares relate to a February 27, 2024 performance stock vest, described as a compensatory payment. The notice also lists prior 100‑share sales in each of the past three months.
SOUTHERN CO executive Sterling A. Spainhour Jr., EVP & CLO, reported selling 3,333 shares of Southern Company Common Stock on 2026-08-06 at $94.02 per share in an open-market or private transaction. The transaction was made under a Rule 10b5-1 trading plan, leaving 35,219 shares held directly plus 951.3316 shares held indirectly through a 401(k).
The Southern Company issued two privately placed series of convertible senior notes: $833,750,000 of 2.125% Series 2026A Convertible Senior Notes due December 15, 2027 and $1,897,500,000 of 3.50% Series 2026B Convertible Senior Notes due September 15, 2029, under its Senior Note Indenture with U.S. Bank Trust Company as trustee.
Both series are direct, unsecured and unsubordinated obligations, effectively subordinated to secured debt, and are not redeemable at the Company’s option. Holders may convert before final conversion periods only if stock-price or trading-price conditions are met or upon specified corporate events; later in each term, conversion is permitted at any time. The initial conversion rates are 9.5641 shares per $1,000 principal for the 2026A notes (initial conversion price $104.56) and 8.4389 shares per $1,000 for the 2026B notes (initial conversion price $118.50), with adjustments for certain events and potential conversion-rate increases upon a Make-Whole Fundamental Change.
Conversions will be settled in cash up to principal and, at the Company’s election, in cash, stock or a combination for any excess obligation. Upon a Fundamental Change (other than an Excluded Fundamental Change), holders can require repurchase at 100% of principal plus accrued interest, and Events of Default allow acceleration. The notes were sold to initial purchasers under Section 4(a)(2) of the Securities Act for resale under Rule 144A. The related conversion shares are unregistered; initially, up to 8,970,816 shares may be issued for the 2026A notes and up to 20,416,341 shares for the 2026B notes, based on an initial maximum conversion rate of 10.7596 shares per $1,000 principal.
Southern Company reported that Comptroller Matthew M. Kim sold 100 shares of Southern Company Common Stock on 2026-08-03 at $94.28 per share in an open market or private transaction pursuant to a Rule 10b5-1 trading plan.
After the sale he held 6,488 shares directly and 1,222.207 shares indirectly through a 401(k) plan.