TAIWAN · TWSE / TPEx
DBC
雙鍵 · 4764 · TWSE (main board) · Chemicals
Share price, 2026-10-19NT$174.001 month -14.1% · 1 year +326.3%
Directors and supervisors hold20,187,05222.1% of shares issued
Of which pledged18.3%3,700,000
Major shareholders (10%+) hold9,159,67410.0% of shares issued
Revenue, 2026-09-9.9%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 |
|---|---|---|---|---|---|---|
| 蔡茂德 | Chairman | 2,959,372 | 3,166,051 | 3.46% | 500,000 | 1,445,094 |
| 林良 | Director · Major shareholder (10%+) | 1,184,683 | 1,243,683 | 1.36% | — | 14,364,605 |
| 李昆昌 | Director | 6,757,320 | 7,084,373 | 7.74% | — | 12,522,680 |
| 杰迪思投資國際股份有限公司 | Director | 8,493,770 | 8,553,770 | 9.34% | 3,200,000 | — |
| 劉建良 | Director (corporate representative) | — | 1,561,528 | 1.71% | 570,000 | 14,046,760 |
| 王人謙 | Independent director | — | 0 | — | — | — |
| 王慶震 | Independent director | — | 0 | — | — | — |
| 李水生 | Independent director | 132,220 | 139,175 | 0.15% | — | 106,313 |
| 陳仲平 | President | — | 263,838 | 0.29% | — | — |
| 陳炯達 | Vice president | — | 14,104 | 0.02% | — | — |
| 黃朋朋 | Vice president | — | 0 | — | — | — |
| 林素芳 | Major shareholder (10%+) | — | 7,457,209 | 8.15% | 2,000,000 | 12,149,844 |
| 王棟海 | Major shareholder (10%+) | — | 458,782 | 0.50% | — | 8,834,174 |
| 蔡秀慧 | Chief financial officer · Other | — | 84,470 | 0.09% | — | — |
| 蔡若渝 | Chief accountant | — | 101,816 | 0.11% | — | — |