$TSM

Lin Chris Horng-Dar purchased $3K of TSM (indirect holdings)

Lin Chris Horng-Dar (VP and CIO) purchased 44 indirectly-held shares of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) at $79.39 on 2026-10-07.

Original reporting
SEC EDGAR · Lin Chris Horng-Dar
Published Oct 8, 2026, 10:25 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
medium 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 filing adds a new data point on insider activity but carries no material market impact.

02

Market read

Insider purchase is too small to influence TSM's stock price or sector sentiment.

03

What to watch

The purchase may be part of a broader 10b5‑1 plan not disclosed, but size remains insignificant.

Relevance 3/10Novelty 3/10Timing: today

Background

Form 4 filings disclose insider trades; small purchases are routine and often ignored by traders.

Company-level read

Ticker impact

$TSMNeutralMedium confidence
Context

VP and CIO Lin Chris Horng-Dar purchased 44 shares at $79.39 in a Form 4 filing, increasing his holdings to 45 shares.

Expected impact

likely negligible upward pressure, but no material move expected

Evidence & confidence

Purchase size ($3.5k) is trivial for a mega‑cap semiconductor company; market typically ignores such tiny insider trades.

Market effects

minimal effect on semiconductor sector; no change in supply‑chain outlook

none

none

Counterpoint

If the insider is signaling confidence, a modest buy‑back could be a subtle bullish hint.

Key entities

  • Lin Chris Horng-Dar

    VP and CIO of TSM who filed the insider purchase.

  • Taiwan Semiconductor Manufacturing Co.

    Global semiconductor foundry, ticker 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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