$TSM

Chuang Juiping purchased $4K of TSM (indirect holdings)

Chuang Juiping (VP) purchased 50 indirectly-held shares of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) at $76.20 on 2026-09-07.

Original reporting
SEC EDGAR · Chuang Juiping
Published Sep 9, 2026, 10:04 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 disclosed purchase is minimal and unlikely to affect TSM's stock price.

02

Market read

Low relevance; the transaction is too small to influence market perception.

03

What to watch

Potential future insider activity if more purchases follow.

Relevance 3/10Novelty 4/10Timing: filed today

Background

Form 4 filings disclose insider transactions; traders monitor for material changes.

Company-level read

Ticker impact

$TSMNeutralHigh confidence
Context

VP Chuang Juiping bought 50 shares at $76.20 each, a $3,810 purchase disclosed on Form 4.

Expected impact

No material impact

Evidence & confidence

Purchase size is negligible relative to market cap and float.

Market effects

None; semiconductor sector unaffected by tiny insider trade.

No regional effect.

Insignificant.

Counterpoint

Even small insider buys can signal confidence, but size is too small to act on.

Key entities

  • Chuang Juiping

    Vice President at TSM who purchased shares.

  • Taiwan Semiconductor Manufacturing Co Ltd

    Global 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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