19 insiders reported 234 Form 4 transactions for QUEST DIAGNOSTICS INC (DGX) over the past 18 months (most recent 2026-06-08). Recent activity: KUPPUSAMY KARTHIK (SVP, Clinical Solutions) Buy 3,320 shares, KUPPUSAMY KARTHIK (SVP, Clinical Solutions) Buy 4,827 shares, KUPPUSAMY KARTHIK (SVP, Clinical Solutions) Sell 8,147 shares, Davis J. E. (CEO and President) Sell 10,000 shares, Diaz Luis (Director) Buy 1,142 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-08 | KUPPUSAMY KARTHIK | SVP, Clinical Solutions | Buy | 3,320 | $424,047 |
| 2026-06-08 | KUPPUSAMY KARTHIK | SVP, Clinical Solutions | Buy | 4,827 | $587,953 |
| 2026-06-08 | KUPPUSAMY KARTHIK | SVP, Clinical Solutions | Sell | 8,147 | $1.6M |
| 2026-06-02 | Davis J. E. | CEO and President | Sell | 10,000 | $1.9M |
| 2026-05-21 | Diaz Luis | Director | Buy | 1,142 | $0 |
| 2026-05-21 | MAIN TIMOTHY L | Director | Buy | 1,142 | $0 |
| 2026-05-21 | CARTER ROBERT B | Director | Buy | 1,142 | $0 |
| 2026-05-21 | RING TIMOTHY M | Director | Buy | 1,142 | $0 |
| 2026-05-21 | Lassiter Wright III | Director | Buy | 1,142 | $0 |
| 2026-05-21 | WENTWORTH TIMOTHY C | Director | Buy | 1,142 | $0 |
| 2026-05-21 | Gregg Vicky B | Director | Buy | 1,142 | $0 |
| 2026-05-21 | Doi Tracey | Director | Buy | 1,142 | $0 |
| 2026-05-21 | PFEIFFER GARY M | Director | Buy | 1,142 | $0 |
| 2026-05-21 | MORRISON DENISE M | Director | Buy | 1,142 | $0 |
| 2026-04-24 | CARTER ROBERT B | Director | Buy | 7 | $1,363 |
| 2026-04-24 | Plewman Patrick | SVP for Diagnostic Services | Buy | 49 | $9,540 |
| 2026-04-24 | Gregg Vicky B | Director | Buy | 68 | $13,239 |
| 2026-04-24 | SAMAD SAM | Executive Vice President & CFO | Buy | 108 | $21,027 |
| 2026-04-24 | Lassiter Wright III | Director | Buy | 6 | $1,168 |
| 2026-04-24 | KUPPUSAMY KARTHIK | SVP, Clinical Solutions | Buy | 39 | $7,593 |
| 2026-04-24 | DELANEY MARK E | SVP & Chief Commercial Officer | Buy | 37 | $7,204 |
| 2026-03-11 | WENTWORTH TIMOTHY C | Director | Buy | 215 | $0 |
| 2026-03-06 | SAMAD SAM | Executive Vice President & CFO | Buy | 13,947 | $2.9M |
| 2026-03-06 | DELANEY MARK E | SVP & Chief Commercial Officer | Buy | 5,682 | $1.2M |
| 2026-03-06 | DELANEY MARK E | SVP & Chief Commercial Officer | Sell | 2,326 | $476,504 |
Source: SEC Form 4 filings · as of 2026-06-08