Jon R. Cohen is VP at QUEST DIAGNOSTICS INC (DGX). They have made 6 open-market trades across 3 companies since 2014, most recently 2026-06-12.
CIK 0001477972
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.
2 open-market purchases totalling $405K since 2021, against 4 sales. Too few scored purchases to measure a record yet.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| TALK | BUY | 2025-02-28 | 2025-03-03 | $2.86 | $215K | +0.0% | +1.1% | +21.4% |
| OPK | BUY | 2021-05-10 | 2021-06-01 | $3.81 | $191K | +2.2% | +16.5% | +5.5% |
| DGX | SELL | 2018-03-08 | 2018-03-12 | $104.18 | $17.0M | -3.6% | -6.7% | +5.2% |
| DGX | SELL | 2017-06-19 | 2017-06-21 | $107.56 | $15.0M | +1.5% | +0.3% | -6.6% |
| DGX | SELL | 2017-06-19 | 2017-06-21 | $107.55 | $11.5M | +1.5% | +0.3% | -6.6% |
| DGX | SELL | 2014-11-14 | 2014-11-18 | $63.13 | $10.1M | -4.9% | +0.9% | +0.9% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.