TAIWAN · TWSE / TPEx
Swancor
上緯投控 · 3708 · TWSE (main board) · Green energy and environment
Share price, 2026-10-19NT$93.101 month -2.4% · 1 year -22.6%
Directors and supervisors hold22,571,84225.1% of shares issued
Of which pledged19.7%4,441,268
Major shareholders (10%+) hold3,811,1984.2% of shares issued
Revenue, 2026-09+165.8%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 |
|---|---|---|---|---|---|---|
| 蔡氏家族控股股份有限公司 | Chairman · Director | 19,380,658 | 20,886,658 | 23.25% | 3,250,000 | — |
| 蔡朝陽 | Chairman (corporate representative) · Major shareholder (10%+) | — | 3,811,198 | 4.24% | 1,430,000 | 14,118,943 |
| 蔡孝毅 | Vice chairman | 1,393,860 | 1,685,184 | 1.88% | 1,191,268 | 2,461,727 |
| 蔡孝德 | Director (corporate representative) · President | — | 1,523,816 | 1.70% | 1,333,816 | 2,263,839 |
| 王秀鈞 | Director | — | 0 | — | — | 9,360 |
| 劉仲明 | Independent director | — | 0 | — | — | — |
| 李瑞華 | Independent director | — | 0 | — | — | — |
| 劉偉立 | Independent director | — | 0 | — | — | — |
| 王鴻嬪 | Independent director | — | 0 | — | — | — |
| 陳健南 | Vice president · Chief financial officer | — | 3,000 | 0.00% | — | — |
| 洪嘉敏 | Assistant vice president · Chief accountant | — | 17,571 | 0.02% | — | — |
| 洪麗敏 | Assistant vice president | — | 24,383 | 0.03% | — | — |