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SEC EDGARSEP 91 min read$TSM

Wu Shien-Yang purchased $4K of TSM (indirect holdings)

Wu Shien-Yang (SVP) purchased 57 indirectly-held shares of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) at $76.20 on 2026-09-07.

Original reporting
SEC EDGAR · Wu Shien-Yang
Published Sep 9, 2026, 10:08 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 9, 2026, 10:10 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 disclosed purchase is minor and unlikely to affect market perception of TSM.

02

Market read

Low relevance; routine insider transaction with negligible market impact.

03

What to watch

No 10b5-1 plan; could be personal portfolio adjustment rather than confidence signal.

Relevance 3/10Novelty 2/10Timing: filed Sep 9, reflects Sep 7 transaction

Background

Form 4 filings disclose insider trades; traders monitor for material purchases or sales.

Company-level read

Ticker impact

$TSMNeutralHigh confidence
Context

Officer Wu Shien-Yang bought 57 shares of TSM for $4,343, filing a Form 4 on Sep 7.

Expected impact

minimal impact, no significant price change expected

Evidence & confidence

Purchase size is trivial relative to market cap; no 10b5-1 plan and no broader context.

Market effects

Sector

None

Regional

None

Global

None

Counterpoint

What could challenge this read

Even small insider buys can signal confidence, but size is too low to matter.

Key entities

  • Officer
    Wu Shien-Yang

    Senior Vice President at TSMC, reported purchase of 57 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.

TSM insider trading history →

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