Howard H. Xia is Director at COHERENT CORP. (COHR). They have made 23 open-market trades across 2 companies since 2011, most recently 2026-05-11.
CIK 0001517296
3 open-market purchases totalling $230K since 2011, against 20 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| COHR | 50,298 | $11.7M |
| IIVI | 39,601 | $9.0M |
| Total | $20.7M |
Shares reported on the most recent Form 4, priced at the 2026-05-13 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| COHR | SELL | 2026-05-11 | 2026-05-13 | $354.50 | $709K | -5.0% | -4.0% | -18.1% |
| COHR | SELL | 2026-03-16 | 2026-03-18 | $245.51 | $1.0M | -10.7% | +40.3% | +55.8% |
| COHR | SELL | 2025-12-02 | 2025-12-03 | $170.00 | $340K | +5.2% | +14.6% | +65.6% |
| COHR | SELL | 2025-11-28 | 2025-12-01 | $158.36 | $158K | +18.2% | +9.9% | +77.9% |
| COHR | SELL | 2025-06-16 | 2025-06-16 | $80.88 | $81K | +8.8% | +22.1% | +32.7% |
| COHR | SELL | 2025-06-11 | 2025-06-13 | $83.00 | $83K | +14.0% | +19.9% | +31.3% |
| COHR | SELL | 2025-05-21 | 2025-05-23 | $81.00 | $81K | -1.1% | +0.2% | +7.6% |
| COHR | SELL | 2025-05-09 | 2025-05-12 | $75.84 | $228K | +1.2% | +4.6% | +45.8% |
| COHR | SELL | 2024-12-03 | 2024-12-04 | $109.18 | $324K | -3.7% | -5.1% | -37.9% |
| COHR | SELL | 2024-05-23 | 2024-05-23 | $60.92 | $122K | +12.2% | +20.6% | +34.8% |
| COHR | SELL | 2024-05-15 | 2024-05-17 | $58.50 | $117K | +1.2% | +26.5% | +21.8% |
| COHR | SELL | 2023-12-14 | 2023-12-14 | $42.80 | $147K | +0.4% | +1.2% | +38.4% |
| COHR | SELL | 2023-12-06 | 2023-12-07 | $40.29 | $161K | +10.1% | +5.4% | +61.1% |
| COHR | SELL | 2023-03-01 | 2023-03-01 | $43.17 | $196K | -11.7% | -9.2% | -8.2% |
| IIVI | SELL | 2022-03-29 | 2022-03-30 | $74.40 | $893K | -13.2% | -16.5% | -27.3% |
| IIVI | SELL | 2020-11-11 | 2020-11-12 | $58.61 | $717K | +13.7% | +21.4% | +60.2% |
| IIVI | SELL | 2020-02-12 | 2020-02-12 | $38.00 | $353K | -16.9% | -32.9% | +18.5% |
| IIVI | SELL | 2017-11-22 | 2017-11-22 | $51.58 | $427K | -18.1% | -9.3% | -25.9% |
| IIVI | SELL | 2017-03-23 | 2017-03-23 | $36.93 | $318K | -8.5% | -9.6% | -6.9% |
| IIVI | SELL | 2016-11-21 | 2016-11-23 | $30.68 | $123K | -1.0% | -1.0% | +30.9% |
| IIVI | BUY | 2016-08-20 | 2016-08-23 | $21.67 | $80K | -0.3% | +8.3% | +39.3% |
| IIVI | BUY | 2016-08-20 | 2016-08-23 | $21.67 | $80K | -0.3% | +8.3% | +39.3% |
| IIVI | BUY | 2011-08-19 | 2011-08-24 | $17.52 | $70K | -8.9% | -3.3% | -3.3% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.