TAIWAN · TWSE / TPEx
SDTI
佳龍 · 9955 · TWSE (main board) · Green energy and environment
Share price, 2026-10-19NT$22.401 month -3.0% · 1 year -23.4%
Directors and supervisors hold40,499,24038.8% of shares issued
Of which pledged0.0%0
Major shareholders (10%+) hold29,856,51528.6% of shares issued
Revenue, 2026-09+7.9%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 |
|---|---|---|---|---|---|---|
| 吳界欣 | Chairman · President | 4,349,125 | 4,430,725 | 4.24% | — | 3,215,658 |
| 吳耀勳 | Director · Major shareholder (10%+) | 29,856,515 | 29,856,515 | 28.59% | — | 3,425,979 |
| 巨瀚投資股份有限公司 | Director | 2,193,000 | 2,193,000 | 2.10% | — | — |
| 周康記 | Director (corporate representative) | — | 102,900 | 0.10% | — | — |
| 富康投資有限公司 | Director | 4,019,000 | 4,019,000 | 3.85% | — | — |
| 徐嘉男 | Director (corporate representative) | — | 0 | — | — | — |
| 丁澤祥 | Independent director | — | 0 | — | — | — |
| 王芝芳 | Independent director | — | 0 | — | — | — |
| 馬瑜明 | Independent director | — | 0 | — | — | — |
| 楊明曄 | President | — | 3,036,648 | 2.91% | — | 4,609,735 |
| 詹益淇 | Assistant vice president | — | 101,000 | 0.10% | — | — |
| 陳澤輝 | Chief financial officer · Chief accountant | — | 96,000 | 0.09% | — | — |
| 褚家靖 | Other | — | 6,000 | 0.01% | — | — |