TAIWAN · TWSE / TPEx
GBM
國產 · 2504 · TWSE (main board) · Building materials and construction
Share price, 2026-10-19NT$32.001 month +4.9% · 1 year -2.3%
Directors and supervisors hold154,329,57613.1% of shares issued
Of which pledged12.4%19,136,167
Revenue, 2026-09-2.3%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 |
|---|---|---|---|---|---|---|
| 徐蘭英 | Chairman · President | 1,066,832 | 1,066,832 | 0.09% | — | 1,508,944 |
| 源信投資有限公司 | Vice chairman | 17,508,250 | 17,585,250 | 1.49% | 5,930,238 | — |
| 林明昇 | Vice chairman (corporate representative) | — | 7,949,273 | 0.67% | 7,111,622 | 143,423 |
| 中興保全科技股份有限公司 | Director | 77,705,747 | 77,705,747 | 6.59% | — | — |
| 林郁方 | Director (corporate representative) | — | 185,581 | 0.02% | — | 43,116 |
| 欣蘭投資股份有限公司 | Director | 26,421,411 | 26,421,411 | 2.24% | 13,205,929 | — |
| 林建涵 | Director (corporate representative) | — | 3,848,950 | 0.33% | 1,283,716 | — |
| 尚璟投資股份有限公司 | Director | 5,928,563 | 5,928,563 | 0.50% | — | — |
| 林宏俊 | Director (corporate representative) | — | 87,261 | 0.01% | — | — |
| 昌明開發股份有限公司 | Director | 11,747,263 | 11,747,263 | 1.00% | — | — |
| 倪勇 | Director (corporate representative) | — | 0 | — | — | — |
| 王勝弘 | Director | 13,811,720 | 13,811,720 | 1.17% | — | 8,000 |
| 吳志仁 | Director · President | 62,790 | 62,790 | 0.01% | — | 228,000 |
| 曾文哲 | Independent director | — | 0 | — | — | — |
| 陳泰然 | Independent director | — | 0 | — | — | — |
| 詹穎雯 | Independent director | — | 0 | — | — | — |
| 洪啟德 | Independent director | — | 0 | — | — | — |
| 林 | President | — | 0 | — | — | — |
| 陳嘉盈 | President | — | 0 | — | — | — |
| 溫上元 | President | — | 60,000 | 0.01% | — | 20,371 |
| 黃錦益 | President | — | 141,310 | 0.01% | — | 6,667 |
| 林及甫 | Vice president | — | 0 | — | — | — |
| 馬靜邦 | Vice president | — | 0 | — | — | 4,279 |
| 林國忠 | Vice president | — | 1,275 | 0.00% | — | 875 |
| 林嘉政 | Vice president | — | 0 | — | — | — |
| 鄭麗燕 | Vice president · Chief accountant | — | 0 | — | — | — |
| 楊志強 | Vice president | — | 2,454 | 0.00% | — | — |
| 馬齊文 | Vice president | — | 0 | — | — | 3,000 |
| 余榮耀 | Vice president | — | 4,000 | 0.00% | — | — |
| 楊宗叡 | Assistant vice president | — | 0 | — | — | — |
| 施朝耀 | Assistant vice president | — | 0 | — | — | — |
| 徐浩翔 | Assistant vice president | — | 0 | — | — | — |
| 許見印 | Assistant vice president | — | 0 | — | — | — |
| 王執平 | Assistant vice president | — | 0 | — | — | — |
| 林秀茹 | Assistant vice president | — | 0 | — | — | — |
| 徐馫元 | Assistant vice president | — | 110,000 | 0.01% | — | — |
| 張銘棟 | Assistant vice president | — | 4,000 | 0.00% | — | 2,600 |
| 張慧霜 | Assistant vice president | — | 6,000 | 0.00% | — | — |
| 秦易承 | Assistant vice president | — | 0 | — | — | — |
| 謝明宏 | Assistant vice president | — | 0 | — | — | — |
| 陳文德 | Assistant vice president | — | 13,864 | 0.00% | — | 86 |
| 張介堂 | Other | — | 1,252 | 0.00% | — | — |