$TSM

Lu Lee-Chung purchased $4K of TSM (indirect holdings)

Lu Lee-Chung (VP) purchased 51 indirectly-held shares of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) at $76.20 on 2026-09-07.

Original reporting
SEC EDGAR · Lu Lee-Chung
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.
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 modest and unlikely to affect TSM's stock price in the short term.

02

Market read

A small insider purchase with limited trading relevance; primarily informational.

03

What to watch

If the insider is part of a broader buying program, later filings could accumulate.

Relevance 3/10Novelty 4/10Timing: filed today

Background

SEC Form 4 filings disclose insider transactions; traders watch for material buys or sells.

Company-level read

Ticker impact

$TSMNeutralHigh confidence
Context

Form 4 shows VP Lu Lee-Chung bought 51 shares at $76.20, increasing holdings to 6,485 shares.

Expected impact

No significant impact; price may remain flat.

Evidence & confidence

Purchase size (~$4K) is negligible relative to market cap; insider is not a major holder.

Market effects

None; semiconductor sector unchanged.

No regional effect; Taiwan market already priced for insider activity.

Minimal; TSM is a large cap but this trade is too small to affect global sentiment.

Counterpoint

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

Key entities

  • Lu Lee-Chung

    Vice President at TSM, insider reporting a purchase of 51 shares.

  • TSM

    Taiwan Semiconductor Manufacturing Co., listed in the US as TSM.

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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