52 transactions by 10 insiders, from November 25, 2025 to June 5, 2026.
People inside the company. What they do with their own shares is the reason this data exists.
| Insider | Trades | Planned | Bought | Sold |
|---|---|---|---|---|
| yao-chung chiangDir | 12 | — | $21K | — |
| ting-chuan leeDir | 9 | — | — | $238K |
| Chun-Jung TsaiDir | 8 | — | — | $54K |
| chun-hsien tsaiCEO | 6 | — | — | — |
| chung-yi tsaiDir | 3 | — | — | — |
| wen-han changDir | 3 | — | — | — |
| Pao-Sheng WeiDir | 3 | — | — | — |
| Hsin-Liang Christopher LeeCFO | 3 | — | — | — |
Holders above 10%, often funds. They file the same form, but they trade for portfolio reasons, not because of what they know.
| Insider | Trades | Planned | Bought | Sold |
|---|---|---|---|---|
| Taiwan Carbon Nano Technology Corp10% | 4 | — | — | $199K |
| ASE Test, Inc.10% | 1 | — | — | — |
52 in total, newest filings first.
| Insider | Date | Code | Shares | Price | Value |
|---|---|---|---|---|---|
| yao-chung chiangDir | Jun 5 | P | 3,500 | $2.05 | $7K |
| yao-chung chiangDir | Jun 3 | P | 2,000 | $2.13 | $4K |
| yao-chung chiangDir | May 28 | P | 250 | $2.30 | $575 |
| yao-chung chiangDir | May 27 | P | 2,000 | $2.00 | $4K |
| ting-chuan leeDir | May 26 | S | 109,988 | $1.90 | $209K |
| Taiwan Carbon Nano Technology Corp10% | May 26 | S | 41,000 | $2.36 | $97K |
| Chun-Jung TsaiDir | May 26 | S | 27,718 | $1.87 | $52K |
| Chun-Jung TsaiDir | May 22 | S | 1,082 | $1.55 | $2K |
| ting-chuan leeDir | May 22 | S | 9,302 | $1.57 | $15K |
| ting-chuan leeDir | May 21 | S | 9,000 | $1.56 | $14K |
| yao-chung chiangDir | May 19 | P | 2,200 | $1.68 | $4K |
| yao-chung chiangDir | May 18 | P | 500 | $1.65 | $825 |
| yao-chung chiangDir | May 5 | P | 129 | $1.70 | $219 |
| yao-chung chiangDir | Apr 30 | P | 200 | $1.68 | $336 |
| yao-chung chiangDir | Apr 29 | P | 100 | $1.75 | $175 |
| Chun-Jung TsaiDirDERIV | Apr 15 | C | 330,000 | — | — |
| Chun-Jung TsaiDirDERIV | Apr 15 | A | 330,000 | — | — |
| Chun-Jung TsaiDir | Apr 15 | A | 330,000 | $1.61 | $531K |
| chun-hsien tsaiCEODERIV | Apr 15 | C | 300,000 | — | — |
| chun-hsien tsaiCEODERIV | Apr 15 | A | 300,000 | — | — |
| chun-hsien tsaiCEO | Apr 15 | A | 300,000 | $1.61 | $483K |
| ting-chuan leeDirDERIV | Apr 15 | C | 570,000 | — | — |
| ting-chuan leeDirDERIV | Apr 15 | A | 570,000 | — | — |
| ting-chuan leeDir | Apr 15 | A | 570,000 | $1.61 | $918K |
| ASE Test, Inc.10%DERIV | Apr 12 | P | 5,994 | — | — |
| Taiwan Carbon Nano Technology Corp10% | Jan 28 | S | 46,000 | $2.17 | $100K |
| Taiwan Carbon Nano Technology Corp10% | Jan 9 | S | 431 | $1.86 | $802 |
| Taiwan Carbon Nano Technology Corp10% | Jan 8 | S | 850 | $1.80 | $2K |
| Pao-Sheng WeiDirDERIV | Nov 25 | C | 50,000 | — | — |
| Pao-Sheng WeiDirDERIV | Nov 25 | A | 50,000 | — | — |
| Pao-Sheng WeiDir | Nov 25 | A | 50,000 | $2.10 | $105K |
| Chun-Jung TsaiDirDERIV | Nov 25 | C | 80,000 | — | — |
| Chun-Jung TsaiDirDERIV | Nov 25 | A | 80,000 | — | — |
| Chun-Jung TsaiDir | Nov 25 | A | 80,000 | $2.10 | $168K |
| yao-chung chiangDirDERIV | Nov 25 | C | 50,000 | — | — |
| yao-chung chiangDirDERIV | Nov 25 | A | 50,000 | — | — |
| yao-chung chiangDir | Nov 25 | A | 50,000 | $2.10 | $105K |
| chun-hsien tsaiCEODERIV | Nov 25 | C | 80,000 | — | — |
| chun-hsien tsaiCEODERIV | Nov 25 | A | 80,000 | — | — |
| chun-hsien tsaiCEO | Nov 25 | A | 80,000 | $2.10 | $168K |
| wen-han changDirDERIV | Nov 25 | C | 50,000 | — | — |
| wen-han changDirDERIV | Nov 25 | A | 50,000 | — | — |
| wen-han changDir | Nov 25 | A | 50,000 | $2.10 | $105K |
| Hsin-Liang Christopher LeeCFODERIV | Nov 25 | C | 20,000 | — | — |
| Hsin-Liang Christopher LeeCFODERIV | Nov 25 | A | 20,000 | — | — |
| Hsin-Liang Christopher LeeCFO | Nov 25 | A | 20,000 | $2.10 | $42K |
| chung-yi tsaiDirDERIV | Nov 25 | C | 50,000 | — | — |
| chung-yi tsaiDirDERIV | Nov 25 | A | 50,000 | — | — |
| chung-yi tsaiDir | Nov 25 | A | 50,000 | $2.10 | $105K |
| ting-chuan leeDirDERIV | Nov 25 | C | 80,000 | — | — |
| ting-chuan leeDirDERIV | Nov 25 | A | 80,000 | — | — |
| ting-chuan leeDir | Nov 25 | A | 80,000 | $2.10 | $168K |