TAIWAN · TWSE / TPEx
GSEO
玉晶光 · 3406 · TWSE (main board) · Optoelectronics
Share price, 2026-10-19NT$1,045.001 month +14.2% · 1 year +148.9%
Directors and supervisors hold8,632,2517.7% of shares issued
Of which pledged19.7%1,700,000
Major shareholders (10%+) hold12,568,98311.1% of shares issued
Revenue, 2026-09+0.5%year on year
Share price, last 12 months
Daily closes adjusted for cash and stock dividends, against the TAIEX index rebased to the same start. Prices from Yahoo Finance.
Directors, officers and major shareholders
Holdings reported for 2026-09. At election = shares held when the director was elected. Related parties = holdings of the person's spouse, minor children and nominees. One person with two roles is listed once.
| Person | Role | At election | Now | Of the company | Pledged | Related parties |
|---|---|---|---|---|---|---|
| 陳天慶 | Chairman · Major shareholder (10%+) | 7,239,022 | 7,239,022 | 6.42% | 1,700,000 | 10,726,892 |
| 陳奕君 | Director | 1,258,054 | 1,228,054 | 1.09% | — | — |
| 陳柏晟 | Director | 141,833 | 139,833 | 0.12% | — | — |
| 田嘉昇 | Director | 5,000 | 5,000 | 0.00% | — | — |
| 廖鉦達 | Director | 5,000 | 5,000 | 0.00% | — | — |
| 林建興 | Director | 14,342 | 10,342 | 0.01% | — | — |
| 洪明儒 | Independent director | 5,000 | 5,000 | 0.00% | — | — |
| 吳志正 | Independent director | — | 0 | — | — | — |
| 嚴文筆 | Independent director | — | 0 | — | — | — |
| 郭英理 | President | — | 12,000 | 0.01% | — | — |
| 陳冠兆 | Vice president · Chief financial officer · Chief accountant | — | 15,000 | 0.01% | — | — |
| 蔡正鎔 | Vice president | — | 0 | — | — | — |
| 吳文洲 | Vice president | — | 0 | — | — | — |
| 李天堯 | Vice president | — | 6,647 | 0.01% | — | 1,000 |
| 陳志明 | Vice president | — | 1,000 | 0.00% | — | — |
| 黃向岸 | Vice president | — | 3,000 | 0.00% | — | — |
| 張仲志 | Assistant vice president | — | 5,000 | 0.00% | — | — |
| 許書銘 | Assistant vice president | — | 0 | — | — | — |
| 張甲 | Assistant vice president | — | 0 | — | — | — |
| 廖信旭 | Assistant vice president | — | 0 | — | — | — |
| 吳聲河 | Assistant vice president | — | 3,000 | 0.00% | — | — |
| 陳天恕 | Major shareholder (10%+) | — | 5,329,961 | 4.73% | — | 7,608,979 |
| 蔡信億 | Other | — | 0 | — | — | — |
| 林志榮 | Other | — | 0 | — | — | — |
| 蔡清福 | Other | — | 23,000 | 0.02% | — | — |
| 陳毓惠 | Other | — | 0 | — | — | — |
| 趙健鈞 | Other | — | 3,000 | 0.00% | — | — |
| 趙志強 | Other | — | 25,000 | 0.02% | — | 80 |
| 林守仁 | Other | — | 0 | — | — | — |
| 王志達 | Other | — | 4,000 | 0.00% | — | — |
| 劉景華 | Other | — | 1,000 | 0.00% | — | — |