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SEC EDGARSEP 91 min read$TSM

Jang Syun-Ming purchased $4K of TSM (indirect holdings)

Jang Syun-Ming (VP) purchased 49 indirectly-held shares of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) at $76.20 on 2026-09-07.

Original reporting
SEC EDGAR · Jang Syun-Ming
Published Sep 9, 2026, 10:05 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 9, 2026, 10:09 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
$TSM
Neutral
high confidence
Mentioned
$TSM
Relevance
3/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$TSMNeutralLow
01

Why it matters

The purchase is modest and does not materially affect valuation, but adds a data point for monitoring insider activity.

02

Market read

Minor insider purchase; limited relevance for traders.

03

What to watch

Potential upcoming corporate actions not disclosed; monitor future filings.

Relevance 3/10Novelty 4/10Timing: filed Sep 9 2026

Background

Form 4 disclosures are primary sources for insider transactions, required to be filed within two business days of the trade.

Company-level read

Ticker impact

$TSMNeutralHigh confidence
Context

Form 4 filing shows VP Jang Syun-Ming bought 49 shares at $76.20, increasing holdings to 5,942 shares.

Expected impact

minimal impact, no immediate price change expected

Evidence & confidence

Purchase size is negligible relative to market cap; insider role adds slight positive sentiment.

Market effects

Sector

None significant for semiconductor sector

Regional

No regional effect

Global

Limited to TSM investors

Counterpoint

What could challenge this read

Insider buying could be a precursor to larger undisclosed moves, but size is too small to matter.

Key entities

  • Officer
    Jang Syun-Ming

    Vice President at TSM who executed the purchase.

  • Company
    Taiwan Semiconductor Manufacturing Co Ltd

    World's largest dedicated independent semiconductor foundry.

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.

TSM insider trading history →

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