Figures computed from official regulatory filings — methodology.
Filing timeline · open-market
10 buys6 sellsApr 15, 2026 — Jun 9, 2026tick height = trade size
| Insider | Type | Value · USD | |
|---|---|---|---|
| chiang yao-chung | Buy | $7.2K | SEC |
| chiang yao-chung | Buy | $4.3K |
| SEC |
| chiang yao-chung | Buy | $575 | SEC |
| chiang yao-chung | Buy | $4K | SEC |
| lee ting-chuan | Sell | $209K | SEC |
| Taiwan Carbon Nano Technology Corp | Sell | $96.8K | SEC |
| TSAI CHUN-JUNG | Sell | $1.7K | SEC |
| TSAI CHUN-JUNG | Sell | $51.8K | SEC |
| lee ting-chuan | Sell | $14.6K | SEC |
| lee ting-chuan | Sell | $14K | SEC |
| chiang yao-chung | Buy | $825 | SEC |
| chiang yao-chung | Buy | $3.7K | SEC |
| chiang yao-chung | Buy | $219.3 | SEC |
| chiang yao-chung | Buy | $175 | SEC |
| chiang yao-chung | Buy | $336 | SEC |
| lee ting-chuan | Award | $917.7K | SEC |
| TSAI CHUN-JUNG | Award | $531.3K | SEC |
| lee ting-chuan | OtherD | — | SEC |
| TSAI CHUN-JUNG | AwardD | — | SEC |
| TSAI CHUN-JUNG | OtherD | — | SEC |
| tsai chun-hsien | AwardD | — | SEC |
| lee ting-chuan | AwardD | — | SEC |
| tsai chun-hsien | OtherD | — | SEC |
| tsai chun-hsien | Award | $483K | SEC |
| ASE Test, Inc. | BuyD | — | SEC |