C. H. Chen is Director at DIODES INC /DEL/ (DIOD). They have made 16 open-market trades across 1 company since 2006, most recently 2021-11-19.
CIK 0001196527
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
0 open-market purchases, against 16 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| DIOD | 25,000 | $2.1M |
Shares reported on the most recent Form 4, priced at the 2021-11-22 close.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| DIOD | SELL | 2021-11-19 | 2021-11-22 | $110.30 | $441K | +0.1% | -1.3% | -19.3% |
| DIOD | SELL | 2021-11-15 | 2021-11-17 | $109.19 | $3.9M | -2.2% | -7.0% | -13.8% |
| DIOD | SELL | 2021-09-07 | 2021-09-08 | $96.65 | $4.8M | -3.4% | -7.4% | +17.4% |
| DIOD | SELL | 2021-03-16 | 2021-03-17 | $83.79 | $4.2M | -8.8% | -3.9% | -9.0% |
| DIOD | SELL | 2020-12-04 | 2020-12-07 | $70.91 | $3.5M | -3.4% | +8.9% | +6.8% |
| DIOD | SELL | 2020-09-28 | 2020-09-29 | $52.88 | $2.1M | +15.2% | +6.3% | +24.6% |
| DIOD | SELL | 2020-06-03 | 2020-06-05 | $51.11 | $2.8M | -7.2% | -6.6% | -9.2% |
| DIOD | SELL | 2020-04-28 | 2020-04-30 | $50.90 | $4.1M | -10.5% | -1.7% | +4.2% |
| DIOD | SELL | 2019-02-13 | 2019-02-15 | $37.75 | $755K | -3.7% | -10.3% | -12.2% |
| DIOD | SELL | 2019-02-05 | 2019-02-06 | $36.03 | $541K | +12.0% | +2.3% | -2.9% |
| DIOD | SELL | 2018-12-03 | 2018-12-04 | $35.26 | $176K | -0.6% | -6.7% | +24.8% |
| DIOD | SELL | 2018-05-29 | 2018-05-31 | $34.51 | $528K | +4.4% | +1.3% | +11.4% |
| DIOD | SELL | 2018-05-25 | 2018-06-05 | $34.92 | $984K | +0.2% | -2.8% | +3.8% |
| DIOD | SELL | 2018-05-22 | 2018-05-23 | $34.01 | $237K | +9.8% | +10.4% | +13.4% |
| DIOD | SELL | 2017-09-27 | 2017-09-28 | $29.25 | $878K | +6.9% | +13.7% | -2.1% |
| DIOD | SELL | 2017-08-31 | 2017-09-05 | $28.26 | $848K | +3.0% | +10.4% | +1.4% |
| DIOD | SELL · 10b5-1 | 2015-03-09 | 2015-03-10 | $29.00 | $284K | -11.8% | -1.4% | -1.4% |
| DIOD | SELL · 10b5-1 | 2015-03-02 | 2015-03-04 | $29.00 | $6K | -11.8% | -1.4% | -1.4% |
| DIOD | SELL · 10b5-1 | 2015-02-11 | 2015-02-13 | $28.50 | $285K | -11.8% | -1.4% | -1.4% |
| DIOD | SELL · 10b5-1 | 2015-02-06 | 2015-02-10 | $28.00 | $280K | -11.8% | -1.4% | -1.4% |
| DIOD | SELL · 10b5-1 | 2014-07-22 | 2014-07-24 | $30.00 | $450K | -11.8% | -1.4% | -1.4% |
| DIOD | SELL · 10b5-1 | 2014-07-03 | 2014-07-08 | $30.00 | $600K | -11.8% | -1.4% | -1.4% |
| DIOD | SELL · 10b5-1 | 2011-03-02 | 2011-03-04 | $31.15 | $2.5M | -11.8% | -1.4% | -1.4% |
| DIOD | SELL · 10b5-1 | 2010-11-29 | 2010-12-01 | $25.04 | $1.5M | -11.8% | -1.4% | -1.4% |
| DIOD | SELL · 10b5-1 | 2008-06-11 | 2008-06-12 | $29.60 | $1.5M | -11.8% | -1.4% | -1.4% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.