$TSM

Tien Bor-Zen purchased $4K of TSM (indirect holdings)

Tien Bor-Zen (VP) purchased 48 indirectly-held shares of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) at $76.20 across 2 trades on 2026-09-07.

Original reporting
SEC EDGAR · Tien Bor-Zen
Published Sep 9, 2026, 10:07 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 9, 2026, 10:10 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 adds 48 shares to the insider's position, raising holdings to 85 shares, a negligible change in ownership.

02

Market read

The filing is a routine insider purchase with no material impact on TSM's stock price or sector.

03

What to watch

Potential future insider purchases could be more material if pattern emerges.

Relevance 3/10Novelty 4/10Timing: filed Sep 9 2026

Background

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

Company-level read

Ticker impact

$TSMNeutralHigh confidence
Context

VP Tien Bor-Zen bought 48 shares of TSM for $3,657.60, increasing holdings to 85 shares.

Expected impact

minimal impact, no immediate price change expected

Evidence & confidence

Transaction size is trivial relative to market cap and float.

Market effects

None; semiconductor sector unchanged by this small purchase.

No regional effect; Taiwan semiconductor market unaffected.

Negligible; TSM's large float dwarfs this insider trade.

Counterpoint

Even small insider buys can signal confidence, but size is too tiny to matter.

Key entities

  • Taiwan Semiconductor Manufacturing Co Ltd

    Global semiconductor foundry, ticker TSM.

  • Tien Bor-Zen

    Vice President at TSM, reported 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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