chiang yao-chung
Transaction: 06/05/2026
BUY
Change
+3,500
Price
$2.05
Filing
06/09/2026
Type
BUY


Quantitative profile — not an investment recommendation.
Key valuation, quality, financial strength, momentum and analyst data.
How strong this company looks for long-term investors
Recent executive and insider activity
| Insider | Type | Change | Price | Transaction | Filing |
|---|---|---|---|---|---|
| chiang yao-chung | BUY | +3,500 | $2.05 | 06/05/2026 | 06/09/2026 |
| chiang yao-chung | BUY | +2,000 | $2.13 | 06/03/2026 | 06/05/2026 |
| chiang yao-chung | BUY | +250 | $2.30 | 05/28/2026 | 06/01/2026 |
| chiang yao-chung | BUY | +2,000 | $2.00 | 05/27/2026 | 05/29/2026 |
| TSAI CHUN-JUNG | SELL | -27,718 | $1.87 | 05/26/2026 | 05/27/2026 |
| Taiwan Carbon Nano Technology Corp | SELL | -41,000 | $2.36 | 05/26/2026 | 05/27/2026 |
| lee ting-chuan | SELL | -109,988 | $1.90 | 05/26/2026 | 05/27/2026 |
| TSAI CHUN-JUNG | SELL | -1,082 | $1.55 | 05/22/2026 | 05/27/2026 |
| lee ting-chuan | SELL | -9,302 | $1.57 | 05/22/2026 | 05/26/2026 |
| lee ting-chuan | SELL | -9,000 | $1.56 | 05/21/2026 | 05/26/2026 |
| chiang yao-chung | BUY | +2,200 | $1.68 | 05/19/2026 | 05/20/2026 |
| chiang yao-chung | BUY | +500 | $1.65 | 05/18/2026 | 05/20/2026 |
| chiang yao-chung | BUY | +129 | $1.70 | 05/05/2026 | 05/07/2026 |
| chiang yao-chung | BUY | +200 | $1.68 | 04/30/2026 | 05/01/2026 |
| chiang yao-chung | BUY | +100 | $1.75 | 04/29/2026 | 05/01/2026 |
| lee ting-chuan | SELL | -570,000 | Not reported | 04/15/2026 | 04/17/2026 |
| lee ting-chuan | BUY | +570,000 | $1.61 | 04/15/2026 | 04/17/2026 |
| tsai chun-hsien | SELL | -300,000 | Not reported | 04/15/2026 | 04/17/2026 |
| tsai chun-hsien | BUY | +300,000 | $1.61 | 04/15/2026 | 04/17/2026 |
| TSAI CHUN-JUNG | SELL | -330,000 | Not reported | 04/15/2026 | 04/17/2026 |