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SEC EDGAROCT 81 min read$TSM

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

Wu Shien-Yang (SVP) purchased 53 indirectly-held shares of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) at $79.39 on 2026-10-07.

Original reporting
SEC EDGAR · Wu Shien-Yang
Published Oct 8, 2026, 10:32 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Oct 8, 2026, 10:37 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
Bullish
medium confidence
Mentioned
$TSM
Relevance
3/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$TSMBullishLow
01

Why it matters

The filing provides a first‑report of a small insider purchase, offering limited actionable insight.

02

Market read

The transaction is too small to move the stock, but it adds a data point for monitoring insider activity.

03

What to watch

Insider's indirect holdings and lack of a 10b5‑1 plan may limit the significance of the trade.

Relevance 3/10Novelty 3/10Timing: same day

Background

SEC Form 4 filing discloses insider transactions for public companies.

Company-level read

Ticker impact

$TSMBullishMedium confidence
Context

SVP officer Wu Shien-Yang bought 53 shares of TSM for $4,207, raising his holdings to 6,915 shares.

Expected impact

likely modest upside as investors view the insider buy favorably

Evidence & confidence

The purchase is a primary Form 4 filing, but the amount ($4.2k) is trivial relative to market cap, so any price effect will be limited.

Market effects

Sector

minimal impact on semiconductor sector

Regional

none

Global

none

Counterpoint

What could challenge this read

The purchase could be routine portfolio rebalancing rather than a confidence signal.

Key entities

  • Company
    Taiwan Semiconductor Manufacturing Co Ltd

    Global semiconductor foundry, ticker TSM.

  • Person
    Wu Shien-Yang

    Senior Vice President and officer at TSM.

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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