Mark Stewart Sobey is VP at COHERENT INC (COHR). They have made 10 open-market trades across 1 company since 2010, most recently 2023-07-01.
CIK 0001182387
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 10 sales. Too few scored purchases to measure a record yet.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| COHR | SELL | 2020-01-13 | 2020-01-14 | $175.21 | $1.2M | -2.7% | +1.7% | -24.4% |
| COHR | SELL | 2020-01-09 | 2020-01-10 | $175.19 | $1.7M | +4.9% | -2.1% | -21.0% |
| COHR | SELL | 2018-08-14 | 2018-08-16 | $181.70 | $3.9M | +9.0% | +4.0% | -21.0% |
| COHR | SELL | 2017-05-24 | 2017-05-24 | $243.36 | $1.9M | +1.9% | +9.8% | +10.4% |
| COHR | SELL | 2016-11-17 | 2016-11-21 | $129.00 | $603K | -4.8% | -1.2% | +29.7% |
| COHR | SELL | 2016-11-09 | 2016-11-10 | $119.00 | $547K | +9.7% | +11.6% | +36.7% |
| COHR | SELL | 2016-08-22 | 2016-08-24 | $110.04 | $434K | +0.4% | +8.2% | +43.5% |
| COHR | SELL | 2016-08-22 | 2016-08-24 | $108.69 | $813K | +0.4% | +8.2% | +43.5% |
| COHR | SELL · 10b5-1 | 2015-03-20 | 2015-03-24 | $67.50 | $147K | -8.9% | -3.3% | -3.3% |
| COHR | SELL | 2013-11-11 | 2013-11-12 | $65.21 | $194K | -8.9% | -3.3% | -3.3% |
| COHR | SELL | 2013-11-04 | 2013-11-06 | $64.43 | $258K | -8.9% | -3.3% | -3.3% |
| COHR | SELL · 10b5-1 | 2013-02-14 | 2013-02-19 | $59.05 | $236K | -8.9% | -3.3% | -3.3% |
| COHR | SELL · 10b5-1 | 2013-01-25 | 2013-01-29 | $56.00 | $71K | -8.9% | -3.3% | -3.3% |
| COHR | SELL · 10b5-1 | 2013-01-15 | 2013-01-17 | $53.00 | $67K | -8.9% | -3.3% | -3.3% |
| COHR | SELL · 10b5-1 | 2012-12-14 | 2012-12-18 | $47.67 | $70K | -8.9% | -3.3% | -3.3% |
| COHR | SELL · 10b5-1 | 2012-11-11 | 2012-01-12 | $— | — | -8.9% | -3.3% | -3.3% |
| COHR | SELL · 10b5-1 | 2011-12-22 | 2011-12-23 | $52.23 | $86K | -8.9% | -3.3% | -3.3% |
| COHR | SELL · 10b5-1 | 2011-12-07 | 2011-12-09 | $51.82 | $284K | -8.9% | -3.3% | -3.3% |
| COHR | SELL · 10b5-1 | 2011-03-22 | 2011-03-23 | $56.84 | $33K | -8.9% | -3.3% | -3.3% |
| COHR | SELL · 10b5-1 | 2010-12-17 | 2010-12-17 | $44.77 | $71K | -8.9% | -3.3% | -3.3% |
| COHR | SELL · 10b5-1 | 2010-11-23 | 2010-11-23 | $41.91 | $425K | -8.9% | -3.3% | -3.3% |
| COHR | SELL · 10b5-1 | 2010-11-18 | 2010-11-19 | $42.30 | $384K | -8.9% | -3.3% | -3.3% |
| COHR | SELL · 10b5-1 | 2010-11-02 | 2010-11-04 | $43.00 | $860K | -8.9% | -3.3% | -3.3% |
| COHR | SELL · 10b5-1 | 2010-10-08 | 2010-10-12 | $41.00 | $820K | -8.9% | -3.3% | -3.3% |
| COHR | SELL · 10b5-1 | 2010-09-20 | 2010-09-22 | $39.00 | $878K | -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.