TAIWAN · TWSE / TPEx
CWTC
長科* · 6548 · TPEx (OTC) · Semiconductors
Share price, 2026-10-19NT$80.901 month +13.4% · 1 year +129.6%
Directors and supervisors hold494,612,92552.0% of shares issued
Of which pledged0.0%0
Major shareholders (10%+) hold454,336,92547.8% of shares issued
Revenue, 2026-09+42.9%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 |
|---|---|---|---|---|---|---|
| 元耀能源科技股份有限公司 | Chairman · Director | 35,695,000 | 40,276,000 | 4.24% | — | — |
| 陳志宏 | Chairman (corporate representative) | — | 1,069,000 | 0.11% | — | — |
| 長華電材股份有限公司 | Director · Major shareholder (10%+) | 452,375,925 | 454,336,925 | 47.80% | — | — |
| 蔡榮棟 | Director (corporate representative) | — | 74,000 | 0.01% | — | 48,000 |
| 洪全成 | Director (corporate representative) · President | — | 7,228,975 | 0.76% | — | 50,000 |
| 石安 | Director (corporate representative) | — | 0 | — | — | — |
| 黃文谷 | Independent director | — | 0 | — | — | — |
| 林宜靜 | Independent director | — | 0 | — | — | — |
| 林壬林 | Independent director | — | 0 | — | — | — |
| 呂烘琴 | Vice president | — | 269,950 | 0.03% | — | — |
| 楊中琪 | Vice president | — | 635,000 | 0.07% | — | 4,000 |
| 林煌傑 | Vice president | — | 86,000 | 0.01% | — | — |
| 徐百祥 | Assistant vice president | — | 889,000 | 0.09% | — | — |
| 白邦傑 | Assistant vice president | — | 0 | — | — | — |
| 顏淑萍 | Chief financial officer | — | 1,224,100 | 0.13% | — | — |
| 龔玉婷 | Chief accountant | — | 36,000 | 0.00% | — | — |