$TSM

Lu Chin-Sheng purchased $3K of TSM (indirect holdings)

Lu Chin-Sheng (VP) purchased 38 indirectly-held shares of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) at $76.20 on 2026-09-07.

Original reporting
SEC EDGAR · Lu Chin-Sheng
Published Sep 9, 2026, 10:07 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.
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 too small to affect TSM's stock price materially.

02

Market read

Minimal relevance; serves as a routine disclosure with negligible trading impact.

03

What to watch

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

Relevance 3/10Novelty 4/10Timing: filed 2026-09-09

Background

SEC Form 4 filings disclose insider transactions; investors monitor them for signals.

Company-level read

Ticker impact

$TSMNeutralHigh confidence
Context

Form 4 disclosed VP Lu Chin-Sheng bought 38 shares for $2,896, indicating a small insider purchase.

Expected impact

No significant move expected.

Evidence & confidence

Purchase size is trivial relative to market cap; no material signal.

Market effects

None; semiconductor sector unchanged.

None; Taiwan market unaffected by small insider trade.

None

Counterpoint

Even small insider purchases can precede larger moves if insider has unique insight.

Key entities

  • Lu Chin-Sheng

    Vice President at TSM who purchased shares.

  • TSM

    Taiwan Semiconductor Manufacturing Co., a leading semiconductor foundry.

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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