$TSM

Yoo Chue-San purchased $4K of TSM (indirect holdings)

Yoo Chue-San (VP) purchased 53 indirectly-held shares of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) at $76.20 on 2026-09-07.

Original reporting
SEC EDGAR · Yoo Chue-San
Published Sep 9, 2026, 10:08 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 9, 2026, 10:40 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 transaction is routine and financially insignificant; no immediate trading signal.

02

Market read

Limited relevance; primarily of interest to insiders‑tracking strategies.

03

What to watch

Potential upcoming corporate actions not disclosed; watch future filings.

Relevance 3/10Novelty 3/10Timing: filing posted Sep 9, 2026

Background

SEC Form 4 filing discloses an insider's open‑market purchase of TSM shares.

Company-level read

Ticker impact

$TSMNeutralHigh confidence
Context

VP Yoo Chue‑San bought 53 TSM shares for $4,038 via a Form 4 filing.

Expected impact

no material impact

Evidence & confidence

Purchase size is tiny relative to float and market cap.

Market effects

None; insider trade does not affect semiconductor sector outlook.

No regional effect beyond TSM.

Minimal; only relevant to investors tracking insider activity.

Counterpoint

Even small insider buys can signal confidence; monitor for larger purchases.

Key entities

  • Yoo Chue‑San

    Vice President at TSM who purchased shares.

  • Taiwan Semiconductor Manufacturing Co.

    World's largest contract chipmaker.

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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