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SEC EDGARSEP 91 min read$TSM

Lin Chris Horng-Dar purchased $4K of TSM (indirect holdings)

Lin Chris Horng-Dar (VP and CIO) purchased 47 indirectly-held shares of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) at $76.20 on 2026-09-07.

Original reporting
SEC EDGAR · Lin Chris Horng-Dar
Published Sep 9, 2026, 10:06 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.
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 purchase is too small to affect market perception, but it confirms insider confidence.

02

Market read

Minor insider buy with negligible trading relevance.

03

What to watch

Potential upcoming corporate actions not disclosed; insider may be positioning for future events.

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

Background

Form 4 filing discloses insider transactions; used by traders to gauge insider sentiment.

Company-level read

Ticker impact

$TSMNeutralHigh confidence
Context

VP and CIO Lin Chris Horng-Dar purchased 47 shares for $3,581, indicating insider buying.

Expected impact

minimal impact; price likely unchanged

Evidence & confidence

Purchase size is trivial relative to market cap; insider role adds slight positive bias but not actionable.

Market effects

Sector

None; semiconductor sector unaffected by this tiny trade.

Regional

No regional effect; Taiwan semiconductor market unchanged.

Global

Insignificant on global scale.

Counterpoint

What could challenge this read

Even small insider buys can precede larger moves; monitor for follow‑on purchases.

Key entities

  • Individual
    Lin Chris Horng-Dar

    VP and CIO of TSM, insider purchaser.

  • Company
    Taiwan Semiconductor Manufacturing Co Ltd

    World's largest contract chipmaker.

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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