Chih-Hsiang (Thompson) Lin is CEO & President at APPLIED OPTOELECTRONICS, INC. (AAOI). They have made 26 open-market trades across 1 company since 2014, most recently 2026-07-31.
CIK 0001587420
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.
9 open-market purchases totalling $3.1M since 2022, against 17 sales. Across 9 scored buys the stock is up 15.3% at ninety days, and 10.3 points ahead of the S&P over the same stretch.
9 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| AAOI | 1,296,047 | $97.9M |
Shares reported on the most recent Form 4, priced at the 2026-08-04 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 44% | 22% | 56% |
| Avg Move | +0.6% | -8.8% | +15.3% |
| Alpha | +0.1% | -9.4% | +10.3% |
| Scored | 9 | 9 | 9 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| AAOI | SELL | 2026-06-12 | 2026-06-16 | $166.53 | $9.8M | -14.1% | -42.7% | -45.2% |
| AAOI | SELL | 2026-05-19 | 2026-05-19 | $173.26 | $10.0M | +5.3% | -8.2% | -12.1% |
| AAOI | BUY | 2025-08-14 | 2025-08-15 | $21.56 | $174K | +5.6% | +29.8% | -8.2% |
| AAOI | BUY | 2025-08-12 | 2025-08-14 | $22.68 | $696K | +14.9% | +35.5% | +9.8% |
| AAOI | BUY | 2025-05-13 | 2025-05-14 | $18.23 | $572K | -2.0% | -18.3% | +20.3% |
| AAOI | BUY | 2024-03-18 | 2024-03-18 | $12.66 | $298K | +3.8% | -10.3% | -23.8% |
| AAOI | BUY | 2023-09-14 | 2023-09-14 | $9.79 | $147K | -0.5% | -21.9% | +120.6% |
| AAOI | BUY | 2023-09-06 | 2023-09-06 | $12.44 | $148K | -19.3% | -25.9% | +31.7% |
| AAOI | BUY | 2023-08-17 | 2023-08-18 | $12.38 | $495K | +12.8% | -26.8% | -4.9% |
| AAOI | BUY | 2023-08-11 | 2023-08-14 | $12.60 | $398K | -5.4% | -38.8% | -26.1% |
| AAOI | BUY | 2022-11-08 | 2022-11-08 | $2.20 | $196K | -4.9% | -2.7% | +18.3% |
| AAOI | SELL | 2021-02-04 | 2021-02-08 | $11.20 | $118K | -1.4% | -32.1% | -39.7% |
| AAOI | SELL · 10b5-1 | 2021-02-01 | 2021-02-03 | $11.20 | $28K | +19.3% | -25.2% | -32.5% |
| AAOI | SELL | 2021-01-27 | 2021-01-29 | $11.31 | $528K | +2.5% | -21.3% | -31.0% |
| AAOI | SELL | 2020-10-01 | 2020-10-05 | $11.22 | $175K | -2.3% | -21.1% | -23.8% |
| AAOI | SELL | 2020-09-01 | 2020-09-04 | $11.46 | $179K | +2.6% | +13.0% | -19.4% |
| AAOI | SELL | 2020-08-03 | 2020-08-03 | $14.65 | $228K | -15.7% | -20.9% | -45.4% |
| AAOI | SELL | 2020-07-06 | 2020-07-08 | $11.21 | $349K | +6.4% | +39.9% | -0.8% |
| AAOI | SELL | 2020-05-07 | 2020-05-08 | $11.20 | $174K | -14.1% | +2.2% | +50.2% |
| AAOI | SELL | 2020-04-30 | 2020-05-01 | $11.25 | $350K | -13.1% | -8.6% | +38.6% |
| AAOI | SELL | 2017-11-16 | 2017-11-20 | $45.25 | $222K | +0.5% | -4.3% | -22.8% |
| AAOI | SELL | 2017-05-12 | 2017-05-15 | $66.00 | $567K | +5.9% | -4.9% | +7.5% |
| AAOI | SELL | 2016-11-17 | 2016-11-18 | $25.74 | $1.0M | -13.0% | -7.2% | +33.0% |
| AAOI | SELL | 2016-08-05 | 2016-08-09 | $14.27 | $61K | -2.5% | +42.1% | +66.8% |
| AAOI | SELL | 2016-08-01 | 2016-08-09 | $13.96 | $135K | -2.5% | +42.1% | +66.8% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.