CIK 0001022079 · Large accelerated filer
QUEST DIAGNOSTICS INC
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- DGX
- Exchange
- NYSE
- Industry
- Services-Medical Laboratories
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 161387862
- Phone
- 9735202700
- Business address
- 500 PLAZA DRIVE, SECAUCUS, NJ, 07094
- Former names
- CORNING CLINICAL LABORATORIES INC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $16,730,307
- in 5 filings, $16.7M under 10b5-1 plans
Net −$16,730,307. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
- PREVOZNIK MICHAEL E −$5.5M SVP & General Counsel sold 38% of stake
- Doherty Catherine T. −$5.5M Executive Vice President sold 24% of stake
- Plewman Patrick −$3.0M SVP for Diagnostic Services sold 44% of stake
- Davis J. E. −$2.4M CEO and President sold 8% of stake
- PFEIFFER GARY M −$292K Director sold 4% of stake
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-07-30 | KUPPUSAMY KARTHIK SVP, Clinical Solutions | Option exercise 10b5-1 | +5,224 | $112.17 | $586K | 15,884 |
| 2025-07-30 | KUPPUSAMY KARTHIK SVP, Clinical Solutions | Sale 10b5-1 | −5,224 | $167.40 | $874K | 10,660 |
| 2025-07-30 | KUPPUSAMY KARTHIK SVP, Clinical Solutions | Option exercise · Non-Qualifed Stock Option (right to buy) 10b5-1 | −3,045 | $86.63 | $264K | 0 |
| 2025-07-30 | KUPPUSAMY KARTHIK SVP, Clinical Solutions | Option exercise · Non-Qualifed Stock Option (right to buy) 10b5-1 | −5,224 | $112.17 | $586K | 0 |
| 2025-07-21 | SAMAD SAM Executive Vice President & CFO | Other acquisition | +72 | $167.50 | $12K | 25,673 |
| 2025-07-21 | Plewman Patrick SVP for Diagnostic Services | Other acquisition | +80 | $167.49 | $13K | 21,185 |
| 2025-07-21 | KUPPUSAMY KARTHIK SVP, Clinical Solutions | Other acquisition | +27 | $167.50 | $5K | 10,660 |
| 2025-07-21 | Lassiter Wright III Director | Other acquisition | +7 | $167.51 | $1K | 9,044 |
| 2025-07-21 | Gregg Vicky B Director | Other acquisition | +79 | $167.50 | $13K | 18,217 |
| 2025-07-21 | DELANEY MARK E SVP & Chief Commercial Officer | Other acquisition | +17 | $167.49 | $3K | 7,515 |
| 2025-07-21 | CARTER ROBERT B Director | Other acquisition | +7 | $167.51 | $1K | 2,692 |
| 2025-07-16 | SAMAD SAM Executive Vice President & CFO | Shares withheld for taxes | −850 | $169.01 | $144K | 25,601 |
| 2025-07-01 | RING TIMOTHY M Director | Grant or award · Phantom Stock Units | +236 | 16,725.38 | ||
| 2025-07-01 | Lassiter Wright III Director | Grant or award · Phantom Stock Units | +160 | 520.85 | ||
| 2025-05-15 | CARTER ROBERT B Director | Grant or award | +1,203 | 2,685 | ||
| 2025-05-15 | Diaz Luis Director | Grant or award | +1,203 | 4,054 | ||
| 2025-05-15 | Gregg Vicky B Director | Grant or award | +1,203 | 18,138 | ||
| 2025-05-15 | Doi Tracey Director | Grant or award | +1,203 | 6,490 | ||
| 2025-05-15 | MAIN TIMOTHY L Director | Grant or award | +1,203 | 26,297 | ||
| 2025-05-15 | MORRISON DENISE M Director | Grant or award | +1,203 | 10,742 |
Page 11 of 21 · 409 trades