Formosa Optical Technology Co.,Ltd.

TPEX:5312 Stock Report

Market Cap: NT$5.6b

Formosa Optical TechnologyLtd Management

Management criteria checks 2/4

We currently do not have sufficient information about the CEO.

Key information

Yi-Shan Cai

Chief executive officer

NT$5.5m

Total compensation

CEO salary percentage39.62%
CEO tenureno data
CEO ownership0.4%
Management average tenureno data
Board average tenure8yrs

Recent management updates

Recent updates

Analysis Article • Apr 09

Should You Buy Formosa Optical Technology Co.,Ltd. (GTSM:5312) For Its Dividend?

Could Formosa Optical Technology Co.,Ltd. ( GTSM:5312 ) be an attractive dividend share to own for the long haul...
Analysis Article • Mar 22

Returns On Capital Signal Tricky Times Ahead For Formosa Optical TechnologyLtd (GTSM:5312)

What trends should we look for it we want to identify stocks that can multiply in value over the long term? One common...
Analysis Article • Mar 01

Formosa Optical Technology Co.,Ltd.'s (GTSM:5312) Stock Has Shown Weakness Lately But Financial Prospects Look Decent: Is The Market Wrong?

With its stock down 1.7% over the past three months, it is easy to disregard Formosa Optical TechnologyLtd (GTSM:5312...
Analysis Article • Feb 08

Here's Why Formosa Optical TechnologyLtd (GTSM:5312) Has A Meaningful Debt Burden

David Iben put it well when he said, 'Volatility is not a risk we care about. What we care about is avoiding the...
Analysis Article • Jan 22

Formosa Optical TechnologyLtd (GTSM:5312) Has Returned Negative 4.0% To Its Shareholders In The Past Five Years

Ideally, your overall portfolio should beat the market average. But in any portfolio, there will be mixed results...
Analysis Article • Jan 07

Would Formosa Optical Technology Co.,Ltd. (GTSM:5312) Be Valuable To Income Investors?

Is Formosa Optical Technology Co.,Ltd. ( GTSM:5312 ) a good dividend stock? How can we tell? Dividend paying companies...
Analysis Article • Dec 22

What Do The Returns On Capital At Formosa Optical TechnologyLtd (GTSM:5312) Tell Us?

Finding a business that has the potential to grow substantially is not easy, but it is possible if we look at a few key...
Analysis Article • Dec 07

Are Formosa Optical TechnologyLtd's (GTSM:5312) Statutory Earnings A Good Reflection Of Its Earnings Potential?

Statistically speaking, it is less risky to invest in profitable companies than in unprofitable ones. Having said that...
Analysis Article • Nov 23

A Look At The Intrinsic Value Of Formosa Optical Technology Co.,Ltd. (GTSM:5312)

How far off is Formosa Optical Technology Co.,Ltd. (GTSM:5312) from its intrinsic value? Using the most recent...

CEO Compensation Analysis

How has Yi-Shan Cai's remuneration changed compared to Formosa Optical TechnologyLtd's earnings?
DateTotal CompensationSalaryCompany Earnings
Mar 31 2026n/an/a

NT$354m

Dec 31 2025n/an/a

NT$385m

Sep 30 2025n/an/a

NT$417m

Jun 30 2025n/an/a

NT$411m

Mar 31 2025n/an/a

NT$473m

Dec 31 2024NT$6mNT$2m

NT$495m

Compensation vs Market: Yi-Shan's total compensation ($USD176.33K) is about average for companies of similar size in the TW market ($USD160.02K).

Compensation vs Earnings: Insufficient data to compare Yi-Shan's compensation with company performance.

CEO

Yi-Shan Cai

no data
Tenure
NT$5,522,000
Compensation

Ms. Yi-Shan Cai is President & Director of Formosa Optical Technology Co. Ltd. Ms. Cai was General Manager of Formosa Optical Technology Co. Ltd.

Board Members

NamePositionTenureCompensationOwnership
Yi-Shan Cai
President & Directorno dataNT$5.52m0.38%
NT$ 21.3m
Jung-Hui Liang
Independent Director4.9yrsNT$544.00kno data
Kuo Ping Tsai
Vice Chairman14yrsNT$1.01m0.65%
NT$ 36.6m
Rong Liang
Supervisor14yrsno datano data
Kuo-Chou Tsai
Chairman25.3yrsNT$2.63mno data
Yu-Ching Tsai
Independent Director8yrsNT$544.00kno data
Meng-Jou Wu
Independent Director8yrsNT$544.00kno data
Ming-Hsuan Chiang
Independent Director2.1yrsNT$321.00kno data
Hsiu-Pi Yao
Director4.9yrsNT$530.00kno data
Wen-Hsiung Chang
Director22yrsNT$313.00kno data
Tzu-Chiang Chueh
Director4.9yrsNT$530.00kno data
Hui-Yu Chen Liu
Director4.9yrsNT$530.00kno data
8.0yrs
Average Tenure

Experienced Board: 5312's board of directors are considered experienced (8 years average tenure).

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/06/01 13:23
End of Day Share Price 2026/06/01 00:00
Earnings2026/03/31
Annual Earnings2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Formosa Optical Technology Co.,Ltd. is covered by 3 analysts. 0 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Chih-Hung ChangJ.P. Morgan
Xinkai YuMasterlink Securities Investment Advisory
Yijun ChenSinoPac Securities Investment Service