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SEC EDGARJUN 31 min read$MFG

Samejima Makoto sold (to issuer) $31K of MFG

Samejima Makoto (Group Chief Financial Officer) sold (to issuer) 682 shares of MIZUHO FINANCIAL GROUP INC (MFG) at $45.11 on 2026-06-01.

Original reporting
SEC EDGAR · Samejima Makoto
Published Jun 3, 2026, 10:10 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Jun 3, 2026, 10:35 AM 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
$MFG
Neutral
high confidence
Mentioned
$MFG
Relevance
3/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$MFGNeutralLow
01

Why it matters

The newest fact is the specific insider sale details (682 shares, $45.1149/share, total $30,768.36) and that there was no pre-arranged 10b5-1 plan stated.

02

Market read

Traders may note insider activity, but the disclosed transaction size and lack of any accompanying corporate catalyst make it unlikely to drive price action.

03

What to watch

The code D indicates sale to the issuer, which can be mechanically tied to issuer programs (e.g., buyback participation), reducing interpretability as a bearish signal.

Relevance 3/10Novelty 2/10Timing: after-hours filing timestamp on 2026-06-03 for a 2026-06-01 transaction

Background

The article is an SEC Form 4 insider transaction disclosure for Mizuho Financial Group Inc (MFG).

Company-level read

Ticker impact

$MFGNeutralHigh confidence
Context

Mizuho Financial Group CFO Samejima Makoto sold 682 shares to the issuer at $45.1149 on 2026-06-01, per Form 4.

Expected impact

Minimal near-term impact; treat as flow/insider-activity noise unless repeated at scale.

Evidence & confidence

The filing is a Form 4 insider transaction with modest size ($30.8k) and no accompanying corporate event or guidance change in the text.

Market effects

Sector

No sector read-across provided; insider sale does not imply changes to financial outlook.

Regional

None indicated; the article contains only an SEC Form 4 transaction detail.

Global

None indicated; no cross-border deal, regulation, or macro linkage mentioned.

Counterpoint

What could challenge this read

If the same executive repeatedly sells outside a 10b5-1 plan, traders could interpret it as private information, but this single small transaction provides limited evidence.

Key entities

  • issuer
    Mizuho Financial Group Inc

    Subject of the Form 4 insider transaction disclosure.

  • insider
    Samejima Makoto

    Group Chief Financial Officer who sold shares to the issuer.

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.

MFG insider trading history →

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