Recent transactions
| Filed | Insider | Role | Type | Shares | Price | Value | |
|---|---|---|---|---|---|---|---|
| Jun 5, 2026 | Chiang Yao-Chung | P Purchase | — | $2.13 | $4K | filing | |
| Jun 1, 2026 | Chiang Yao-Chung | P Purchase | — | $2.30 | $575 | filing | |
| May 29, 2026 | Chiang Yao-Chung | P Purchase | — | $2.00 | $4K | filing | |
| May 27, 2026 | Taiwan Carbon Nano Technology Corp | S Sale | — | $2.36 | $97K | filing | |
| May 27, 2026 | Lee Ting-Chuan | S Sale | — | $1.90 | $209K | filing | |
| May 27, 2026 | Tsai Chun-Jung | S Sale | — | $1.86 | $54K | filing | |
| May 26, 2026 | Lee Ting-Chuan | S Sale | — | $1.57 | $29K | filing |