TAIWAN · TWSE / TPEx
TMC
光罩 · 2338 · TWSE (main board) · Semiconductors
Share price, 2026-10-19NT$46.101 month +0.0% · 1 year +18.1%
Directors and supervisors hold17,750,0314.8% of shares issued
Of which pledged56.5%10,030,000
Major shareholders (10%+) hold63,370,00017.1% of shares issued
Revenue, 2026-09+15.4%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 |
|---|---|---|---|---|---|---|
| （二余）俊光 | Chairman · Other | — | 0 | — | — | 913,000 |
| 陳立惇 | Director · President | 4,291,823 | 4,571,823 | 1.23% | 600,000 | — |
| 吳昭宜 | Director | 10,458,000 | 10,458,000 | 2.82% | 9,430,000 | 864,450 |
| 精金科技股份有限公司 | Director | 2,720,208 | 2,720,208 | 0.73% | — | — |
| 林忠翰 | Director (corporate representative) | — | 0 | — | — | — |
| 王偉臣 | Independent director | — | 0 | — | — | — |
| 楊芳鏘 | Independent director | — | 0 | — | — | — |
| 彭穎慧 | Independent director | — | 0 | — | — | — |
| 楊貽婷 | Vice president | — | 2,425,359 | 0.65% | 1,270,000 | — |
| 鍾健明 | Vice president | — | 565,687 | 0.15% | 230,000 | 10,310 |
| 尤龍生 | Vice president | — | 1,014,000 | 0.27% | — | 10,000 |
| 陳志明 | Vice president | — | 80,021 | 0.02% | — | 28,609 |
| 光揚曜投資股份有限公司 | Major shareholder (10%+) | — | 63,370,000 | 17.11% | 28,800,000 | — |
| 阮昭彗 | Chief financial officer · Chief accountant | — | 100,000 | 0.03% | — | — |
| 曾皎瑾 | Other | — | 45,100 | 0.01% | — | — |
Exchange announcements
| Date | |
|---|---|
| 2026-10-16 | 本公司董事會決議擬取得日本熊本市半導體設備 服務公司股權(補充更正115/07/15重大訊息) |
| 2026-10-16 | 公告本公司董事會決議註銷庫藏股及訂定減資基準日 |