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SEC EDGAROCT 81 min read$TSM

Jang Syun-Ming purchased $4K of TSM (indirect holdings)

Jang Syun-Ming (VP) purchased 46 indirectly-held shares of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) at $79.39 on 2026-10-07.

Original reporting
SEC EDGAR · Jang Syun-Ming
Published Oct 8, 2026, 10:21 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
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 minor and unlikely to affect TSM's stock price materially.

02

Market read

Limited relevance; serves as a routine disclosure rather than a catalyst.

03

What to watch

Potential upcoming corporate actions or earnings could give context to the purchase.

Relevance 3/10Novelty 3/10Timing: after-hours filing today

Background

Form 4 filings disclose insider transactions; investors watch for buying signals.

Company-level read

Ticker impact

$TSMNeutralHigh confidence
Context

Form 4 shows VP Jang Syun-Ming bought 46 shares at $79.39, a $3.6K purchase, indicating minor insider buying.

Expected impact

likely negligible pressure as market may view purchase as insignificant

Evidence & confidence

The transaction size is trivial relative to market cap; no material impact expected.

Market effects

Sector

None; insider purchase does not affect semiconductor sector broadly.

Regional

Minimal impact on Taiwan or US markets.

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

  • Officer
    Jang Syun-Ming

    Vice President at TSM who made the purchase.

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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