$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.
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

None significant for semiconductor sector

No regional effect

Limited to TSM investors

Counterpoint

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

Key entities

  • Jang Syun-Ming

    Vice President at TSM who executed the purchase.

  • Taiwan Semiconductor Manufacturing Co Ltd

    World's largest dedicated independent semiconductor foundry.

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.

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