G-Tech Optoelectronics (TPE:3149) Insider Ownership: 0.00 % (As of Sep. 21, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

TPE:3149 G-Tech Optoelectronics Corp TPE:3149
55 GF Score
Price NT$63.80
GF Value NT$24.75
Valuation Significantly Overvalued
! 3 Warning Signs
View Full Analysis

What is G-Tech Optoelectronics Insider Ownership?

G-Tech Optoelectronics TPE:3149 +2.90% 55 Insider Ownership is 0.00 % as of Sep. 21, 2026. GuruFocus rates TPE:3149 with a GF Score™ of 55/100 and a GF Value™ of NT$24.75 (Significantly Overvalued). The stock has 3 warning signs investors should review.

Insider ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, G-Tech Optoelectronics's insider ownership is 0.00%.

Institutional Ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, G-Tech Optoelectronics's Institutional Ownership is 0.03%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, G-Tech Optoelectronics's Float Percentage Of Total Shares Outstanding is 0.00%.

G-Tech Optoelectronics Insider Ownership Historical Data

* Premium members only.

The historical data trend for G-Tech Optoelectronics's Insider Ownership can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

G-Tech Optoelectronics Insider Ownership Chart

G-Tech Optoelectronics Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Insider Ownership
Get a 7-Day Free Trial Premium Member Only Premium Member Only - - - - -

G-Tech Optoelectronics Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Insider Ownership Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only - - - - -
TPE:3149
55GF Score
G-Tech Optoelectronics Corp TPE:3149
Insider Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

G-Tech Optoelectronics Insider Ownership Calculation

The percentage of shares that are owned by company insiders relative to the total shares outstanding.

Frequently Asked Questions Learn more about Insider Ownership →
What does a Insider Ownership of 0.00 % mean?
G-Tech Optoelectronics (TPE:3149) has a Insider Ownership of 0.00 % as of Sep. 21, 2026. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on G-Tech Optoelectronics and its competitors.
Is G-Tech Optoelectronics' Insider Ownership too high?
G-Tech Optoelectronics' current Insider Ownership is 0.00 %. Overall, G-Tech Optoelectronics has a GF Score™ of 55/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does G-Tech Optoelectronics' Insider Ownership compare to APH and GLW?
G-Tech Optoelectronics' Insider Ownership of 0.00 % can be compared against companies in the Hardware industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Insider Ownership for a Hardware company?
A good Insider Ownership depends on the Hardware industry context. However, Insider Ownership should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Insider Ownership mean?
A high Insider Ownership can signal that a stock is expensive relative to its fundamentals. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on G-Tech Optoelectronics and its competitors. G-Tech Optoelectronics's current Insider Ownership is 0.00 %. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is G-Tech Optoelectronics stock overvalued right now?
Based on GuruFocus' analysis, G-Tech Optoelectronics (TPE:3149) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$24.75, compared to a current price of NT$63.80 — trading 157.8% above its estimated fair value. The current Insider Ownership is 0.00 %. G-Tech Optoelectronics' overall GF Score™ is 55/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Insider Ownership calculated?
Insider Ownership is calculated from a company's financial statements. For G-Tech Optoelectronics (TPE:3149), the current Insider Ownership is 0.00 % as of Sep. 21, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is G-Tech Optoelectronics (TPE:3149) Overvalued in 2026?

Based on GuruFocus' analysis, G-Tech Optoelectronics stock appears to be overvalued. The current stock price of NT$63.80 is trading 157.8% above its estimated GF Value™ of NT$24.75. GuruFocus considers G-Tech Optoelectronics to be Significantly Overvalued.

Key valuation signals for TPE:3149:

  • Insider Ownership: 0.00 %
  • GF Value™: NT$24.75 vs. price of NT$63.80 (157.8% above fair value)
  • GF Score™: 55/100 with 3 warning signs

No single metric tells the full story. See the TPE:3149 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

G-Tech Optoelectronics Business Description

Address No. 99, Zhongxing Road, Tongluo Township, Miaoli, TWN, 36647
G-Tech Optoelectronics Corp operates in an optoelectronic glass processing market. The company manufactures and markets optical glass products and electronic components. The segments of the company are Smart optoelectronics, that is revenue-generating segment; Smart buildings, and Smart cars. The Smart optoelectronics is in charge of designing, manufacturing, and selling general consumer electronics vehicle glass as well as protective touch control glass for industrial control computers.
55GF Score

Get the complete analysis for TPE:3149

Insider Ownership is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$63.80
Price
NT$24.75
GF Value