$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.
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

None; insider purchase does not affect semiconductor sector broadly.

Minimal impact on Taiwan or US markets.

Insignificant on global scale.

Counterpoint

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

Key entities

  • Jang Syun-Ming

    Vice President at TSM who made the purchase.

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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