TAIWAN · TWSE / TPEx
TONG MING
東明-KY · 5538 · TWSE (main board) · Iron and steel
Share price, 2026-10-19NT$36.651 month +4.4% · 1 year +30.7%
Directors and supervisors hold51,317,62525.5% of shares issued
Of which pledged0.0%0
Major shareholders (10%+) hold90,245,04244.9% of shares issued
Revenue, 2026-09+28.3%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 |
|---|---|---|---|---|---|---|
| 蔡清東 | Chairman | 3,317,625 | 3,317,625 | 1.65% | — | — |
| TONG ONE HOLDINGS LIMITED | Director · Major shareholder (10%+) | 24,000,000 | 24,000,000 | 11.93% | — | — |
| 柯文玲 | Director (corporate representative) · President | — | 46,786 | 0.02% | — | — |
| RICHARD INTERNATIONAL CO.,LTD | Director · Major shareholder (10%+) | 24,000,000 | 24,000,000 | 11.93% | — | — |
| 蔡易庭 | Director (corporate representative) · Major shareholder (10%+) | — | 23,115,486 | 11.49% | — | — |
| 蔡弘泉 | Director · President · Major shareholder (10%+) | — | 0 | — | — | 60,825,474 |
| 蔡正雄 | Director (corporate representative) · Vice president · Chief financial officer · Chief accountant | — | 319,000 | 0.16% | — | — |
| 楊博閔 | Independent director | — | 0 | — | — | — |
| 陳勇龍 | Independent director | — | 0 | — | — | — |
| 蔡采薇 | Independent director | — | 0 | — | — | — |
| 柯永祥 | Independent director | — | 0 | — | — | — |
| 蔡佳晏 | Vice president | — | 0 | — | — | 10,400,000 |
| 蔡明地 | Major shareholder (10%+) | — | 19,129,556 | 9.51% | — | 1,000,000 |