8-K ·Filed Aug 6, 2026

SO

SOUTHERN CO
NEUTRAL
Impact 5/10
Horizonweeks Processed1mo ago SEC0000092122-26-000063
8-K context-dependent: Items 2.03, 3.02
Actionable Insight • Neutral

Monitor use of proceeds and any subsequent capital allocation announcements. The low coupons indicate strong credit demand for Southern Co debt. Watch for potential capped call transactions that could offset dilution. The convertible structure gives the company flexibility to manage equity exposure.

DirectionNeutral
Confidencehigh
Horizonweeks
Latest settled — T+20d
SO ▼ -4.45% at T+20d
NEUTRAL call ✗ call lost -4.45% · α vs SPY -5.05% · entry $92.90 → $88.77
Next anchor: T+60d in 28d
Latest observation: T+38 -9.72% FF3 residual α
Entry anchored
Aug 6, 11:15 AM ET
via 1-min bar
T+1d
-0.23%
call -0.23% · α -0.84%
$92.69
settled 8w ago
T+5d
-0.12%
call -0.12% · α -1.33%
$92.79
settled 7w ago
T+20d
-4.45%
call -4.45% · α -5.05%
$88.77
settled 29d ago
T+60d
—
call — · α —
—
in 28d

Price Chart

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Executive Summary

Southern Co issued $2.375 billion in convertible senior notes across two tranches: $725M Series 2026A at 2.125% due Dec 2027 and $1.65B Series 2026B at 3.50% due Sep 2029, with initial purchasers' options to increase total to $2.731B. The notes are senior unsecured, convertible into cash and/or common stock at the company's election, and were sold in a private placement to institutional investors. This is a sizable debt raise for a $107B utility, increasing leverage modestly while locking in low coupons.

Key Financial Metrics

Offering Size
$2.4B

Key Facts

  • Southern Co issued $725M of 2.125% Series 2026A Convertible Senior Notes due Dec 15, 2027 (initial conversion rate 9.5641 shares/$1,000)
  • Southern Co issued $1.65B of 3.50% Series 2026B Convertible Senior Notes due Sep 15, 2029 (initial conversion rate 8.4389 shares/$1,000)
  • Initial purchasers (Goldman Sachs, Citigroup, Morgan Stanley, Wells Fargo) have options to buy additional $108.75M of Series A and $247.5M of Series B
  • Notes are senior unsecured, not redeemable, no sinking fund; settlement in cash for principal portion with net share settlement for excess
  • Combined base offering of $2.375B represents ~2.2% of Southern Co's $107B market cap

Financial Impact

Increases total debt by $2.375B (base) with annual interest expense of approximately $68M at blended ~2.9% rate; potential full conversion would add ~21M shares (~2% dilution) but company can settle in cash

debtinterest expensedilution

Risk Factors

  • Increased leverage from $2.375B additional debt
  • Potential dilution if stock appreciates and company elects share settlement on conversion
  • Interest rate risk if floating-rate exposure increases elsewhere

Market Snapshot

Exchange
NYSE
Sector
Electric Services
Analyst Consensus
42% bullish (33 analysts)

Investment Themes

Traditional Energy

Documents Analyzed

This report is based on 2 SEC documents filed with EDGAR.

DocumentAccession Number
8-K Filing (Primary)0000092122-26-000063
Exhibit: ex4-2sofirstsupplementalin.htm0000092122-26-000063
9 reports for SO
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for SO — sortable, filterable
TypeNow
Sep 4, 2026
27d ago
Insider Cluster
NEUTRAL ★ 2/10
$88.11 $87.00▼ −1.26%▼ −0.05%$83.89 (−4.79%)
Aug 7, 2026
7w ago
Insider Cluster
NEUTRAL ★ 2/10
$92.69 $92.80▲ +0.12%▼ −0.28%$83.89 (−9.49%)
Aug 6, 2026
8w ago
8-K
NEUTRAL ★ 5/10
$92.90 $92.79▼ −0.12%▼ −1.33%$83.89 (−9.70%)
Aug 4, 2026
8w ago
8-K
MIXED ★ 5/10
$93.25 $91.92▼ −1.43%▼ −1.33%$83.89 (−10.04%)
Aug 3, 2026
8w ago
8-K
NEUTRAL ★ 5/10
$92.94 $91.34▼ −1.72%▼ −3.75%$83.89 (−9.74%)
May 26, 2026
18w ago
Court Ruling
BEARISH ★ 7/10
$94.05 $89.03▲ +5.33%▲ +6.42%$83.89 (+10.80%)
Mar 18, 2026
28w ago
Insider Cluster
NEUTRAL ★ 3/10
$96.50 $94.55▼ −2.02%▼ −1.31%$83.89 (−13.06%)
Feb 28, 2026
30w ago
Institutional Cluster
BULLISH ★ 7/10
$97.23 $97.26▲ +0.03%▲ +1.24%$83.89 (−13.72%)
Feb 25, 2026
31w ago
8-K
NEUTRAL ★ 5/10
$95.89 $97.58▲ +1.76%▲ +2.86%$83.89 (−12.51%)
Showing 9 of 9

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