SEC EDGARJUL 91 min read$TSM

Yoo Chue-San purchased $4K of TSM (indirect holdings)

Yoo Chue-San (VP) purchased 51 indirectly-held shares of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) at $76.62 on 2026-07-07.

Original reporting

SEC EDGAR · Yoo Chue-San

Published Jul 9, 2026, 10:12 AM UTC

Analysis

AlphAI AI DeskAI-generated

Added to AlphAI Jul 9, 2026, 10:32 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 Desk Scoring methodology Report an issue

AlphAI market briefInsider activity

Primary signal

$TSM

Bullish

low confidence

Mentioned

$TSM

Relevance

4/10

AlphAI data visualization · based on SEC EDGAR

Decision brief

The 30-second read

$TSMBullishLow

Why it matters

The only new information is the reported open-market purchase size, price, and post-transaction holdings; it does not include any new corporate event or forward-looking guidance.

Market read

Useful for insider-tracking dashboards, but the disclosed trade value is too small to be a standalone trading catalyst.

What to watch

The transaction is indirect and small, and there is no 10b5-1 plan disclosed; traders should avoid over-weighting it versus earnings, guidance, and macro/AI demand signals.

Relevance 4/10Novelty 2/10Timing: Filed on 2026-07-09, covering a 2026-07-07 purchase.

Background

The article is an SEC Form 4 insider transaction disclosure for TSM, reported by VP Yoo Chue-San.

Company-level read

Ticker impact

AI estimates · verify against primary disclosures

$TSMBullishLow confidence

Context

SEC Form 4 shows VP Yoo Chue-San bought 51 shares of TSM at $76.62 on 2026-07-07 via an indirect open-market purchase.

Expected impact

Likely negligible near-term price impact; may slightly support sentiment if traders track insider activity.

Evidence & confidence

The filing is a Form 4 insider transaction, but the disclosed trade value ($3,907.62) is small and not tied to new company fundamentals or guidance.

Market effects

Sector

No direct sector read-across; this is an individual insider transaction without new operational information.

Regional

None indicated; TSM-specific insider activity does not imply broader Taiwan semiconductor policy or demand changes.

Global

Minimal; no new supply, demand, or regulatory developments are disclosed.

Counterpoint

What could challenge this read

Insider buying can be driven by diversification, compensation mechanics, or routine portfolio rebalancing, so it may not signal bullish fundamentals.

Key entities

issuer
TSM
Taiwan Semiconductor Manufacturing Co. Ltd., subject of the Form 4 insider transaction disclosure.
insider
Yoo Chue-San
VP at TSM who reported an indirect open-market purchase of 51 shares at $76.62 on 2026-07-07.

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