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SEC EDGARSEP 41 min read$SO

Kim Matthew M. sold $124K of SO

Kim Matthew M. (Comptroller) sold 1,400 shares of SOUTHERN CO (SO) at $88.87 ($0.12M total) on 2026-09-03.

Original reporting
SEC EDGAR · Kim Matthew M.
Published Sep 4, 2026, 5:00 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 4, 2026, 5:33 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
About AlphAI AI DeskScoring methodologyReport an issue
AlphAI market briefInsider activity
Primary signal
$SO
Neutral
high confidence
Mentioned
$SO
Relevance
4/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$SONeutralLow
01

Why it matters

The disclosed sale is modest and unlikely to move the stock significantly.

02

Market read

Routine insider sale with limited trading relevance.

03

What to watch

Potential upcoming earnings or operational updates not reflected in this filing.

Relevance 4/10Novelty 4/10Timing: filing date 2026-09-04

Background

SEC Form 4 filing discloses insider transactions; used by traders to gauge insider sentiment.

Company-level read

Ticker impact

$SONeutralHigh confidence
Context

Officer Kim Matthew M. sold 1,400 shares of Southern Co for $124,418 on 2026-09-03.

Expected impact

Minimal short-term movement, potential slight downside pressure.

Evidence & confidence

Sale size is small relative to float and insider role is not a top executive; market typically views such transactions as routine.

Market effects

Sector

None

Regional

None

Global

None

Counterpoint

What could challenge this read

If the insider expects a near-term decline, the sale could hint at upcoming negative news.

Key entities

  • Company
    Southern Co

    US utility company (ticker SO).

  • Person
    Kim Matthew M.

    Comptroller and officer at Southern Co.

Read at source← All news

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

SO insider trading history →

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