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SEC EDGAROCT 11 min read$SO

Kim Matthew M. sold $8K of SO

Kim Matthew M. (Comptroller) sold 100 shares of SOUTHERN CO (SO) at $82.73 on 2026-10-01 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Kim Matthew M.
Published Oct 1, 2026, 8:00 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Oct 1, 2026, 8:02 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
Bearish
high confidence
Mentioned
$SO
Relevance
2/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$SOBearishLow
01

Why it matters

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

02

Market read

Routine insider sale with limited trading relevance.

03

What to watch

The insider's 10b5‑1 plan pre‑arranged the sale, reducing informational value.

Relevance 2/10Novelty 2/10Timing: after-hours filing today

Background

Form 4 filings disclose insider transactions; traders monitor them for potential signals.

Company-level read

Ticker impact

$SOBearishHigh confidence
Context

Officer Kim Matthew M. sold 100 shares of Southern Co (SO) for $8,273 via a 10b5‑1 plan.

Expected impact

likely modest pressure as the market prices in the insider sell

Evidence & confidence

The sale is small relative to holdings and total market cap, but insider sales often trigger short‑term selling pressure.

Market effects

Sector

Minimal impact on the utilities sector; typical insider sales are routine.

Regional

None

Global

None

Counterpoint

What could challenge this read

The sale could be unrelated to fundamentals; investors might ignore it.

Key entities

  • Company
    Southern Co

    US utility company (ticker SO) subject of the insider sale.

  • Person
    Kim Matthew M.

    Comptroller and officer at Southern Co who sold shares.

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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