$TSM

Mii Yuh-Jier purchased $5K of TSM (indirect holdings)

Mii Yuh-Jier (EVP and Co-COO) purchased 71 indirectly-held shares of TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) at $76.20 on 2026-09-07.

Original reporting
SEC EDGAR · Mii Yuh-Jier
Published Sep 9, 2026, 10:08 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 $5.4K purchase is unlikely to affect TSM's stock price or market perception.

02

Market read

Minor insider purchase with negligible market impact.

03

What to watch

The purchase was made via an indirect holding, which may limit its signaling strength.

Relevance 3/10Novelty 4/10Timing: filing today

Background

Form 4 filings disclose insider trades; traders monitor them for potential signals.

Company-level read

Ticker impact

$TSMNeutralHigh confidence
Context

EVP and Co-COO Mii Yuh-Jier bought 71 shares for $5.4K, raising his holding to 8,170 shares.

Expected impact

Minimal short-term effect; unlikely to move the stock.

Evidence & confidence

The transaction amount is tiny relative to market cap and typical insider trades, so traders should not act on it.

Market effects

None; the purchase does not affect the semiconductor sector broadly.

None; limited to TSM shareholders.

Low; TSM is a large cap but this trade is insignificant.

Counterpoint

If insiders are buying, some may view it as a bullish sign despite the small size.

Key entities

  • Taiwan Semiconductor Manufacturing Co.

    World's largest contract chipmaker.

  • Mii Yuh-Jier

    Executive Vice President and Co-COO of 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.

Related articles

$AAPLHighAI 9/10

What TSMC's 2nm technology means for Apple

Apple has exclusively secured TSMC's 2nm N2 node for its A20 Pro chip, featuring Gate-All-Around transistors. The chip offers 30% better power efficiency and 15% speed boost, enabling advanced AI. TSMC's 2nm technology uses a GAA nanosheet design, reducing electrical leakage. The A20 Pro will be in the iPhone 18 Pro, with high production costs estimated at USD 30,000 per wafer.

$TSMMed

TSM Stock Rises Overnight: CFO Says 'Don't Plan To Leave Food On Table' After Confirming Bumped-Up US Investment

TSMC's stock rose 0.4% in overnight trading after its CFO commented on strong multi-year demand and increased U.S. investment. The company plans to invest $265 billion, up from $165 billion, with $100 billion allocated to Arizona operations. TSMC's Q2 revenue increased 38% to NT$1.27 trillion, and profit rose 77% to NT$706.56 billion, beating estimates. Despite this, shares have declined 18% from their June 30 peak.

$TSMMedAI 8/10

TSMC Secures Approval For Sub-1.4 Nanometer Manufacturing Plants, Says Report As Race With Intel Heats Up

TSMC has secured approval for expanding its Longan Park in Taiwan's Hsinchu Science Park, with plans to manufacture chips using sub-1.4-nanometer technology. The expansion, costing NT$95 billion, includes three factories, with the first expected to enter production in 2030. TSMC aims to improve logic density, performance, and power efficiency with its advanced technologies, as it competes with Intel in the semiconductor race.

$TSMMedAI 8/10

Taiwan Semiconductor (TSM) Plans Expansion with $31.4 Billion In

Taiwan Semiconductor (TSM) plans a $31.4B expansion in Longtan for advanced semiconductor processes. The project includes three new wafer fabrication plants, with the first expected to be operational by 2030. TSMC's stock is currently overvalued by 18.2% according to GF Value™, with a GF Score™ of 98/100. The company has a strong financial strength rating of 9/10 and a P/E ratio of 31.05, higher than its 5-year median of 22.78.