$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.
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

None

None

None

Counterpoint

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

Key entities

  • Wu Shien-Yang

    Senior Vice President at TSMC, reported purchase of 57 shares.

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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