$TSM

Chang Tzonz-Sheng purchased $4K of TSM (indirect holdings)

Chang Tzonz-Sheng (SVP) purchased 54 indirectly-held shares of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) at $73.31 on 2026-08-07.

Original reporting
SEC EDGAR · Chang Tzonz-Sheng
Published Aug 10, 2026, 11:41 AM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Aug 10, 2026, 12:08 PM 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
low 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 newest fact is the reported open-market purchase by an SVP, including price, share count, and post-transaction holdings. It does not provide any new operational or financial information about TSM.

02

Market read

Traders may note the insider buy as a minor sentiment datapoint, but it is unlikely to drive a sustained repricing without accompanying fundamental catalysts.

03

What to watch

The purchase is indirect and small, and the absence of a 10b5-1 plan does not by itself confirm conviction or timing advantage.

Relevance 3/10Novelty 3/10Timing: filed 2026-08-10, transaction dated 2026-08-07

Background

The article is an SEC Form 4 insider transaction disclosure for Taiwan Semiconductor Manufacturing Co. (TSM).

Company-level read

Ticker impact

$TSMNeutralLow confidence
Context

SEC Form 4 shows SVP Chang Tzonz-Sheng bought 54 shares of TSM at $73.31 on 2026-08-07 via indirect holdings.

Expected impact

Limited near-term impact; any effect is likely sentiment-only and quickly absorbed.

Evidence & confidence

The filing is a routine Form 4 disclosure with modest size ($3,958.74) and no 10b5-1 plan, but it does not include new company fundamentals, guidance, or events.

Market effects

No direct sector read-through beyond general semiconductor sentiment.

None indicated; the disclosure is company-specific and small.

Minimal, as it does not change TSM’s operating outlook or capital allocation.

Counterpoint

Insider buys can be driven by diversification, compensation mechanics, or routine liquidity needs, so the signal may be weak.

Key entities

  • TSM

    Taiwan Semiconductor Manufacturing Co. (subject of the Form 4 insider transaction).

  • Chang Tzonz-Sheng

    SVP who reported an open-market purchase via indirect holdings.

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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