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 |
|---|---|---|---|---|---|---|
| 2025-09-26 | PREVOZNIK MICHAEL E SVP & General Counsel | Option exercise · Non-Qualifed Stock Option (right to buy) 10b5-1 | −227 | $103.57 | $24K | 0 |
| 2025-09-24 | PREVOZNIK MICHAEL E SVP & General Counsel | Option exercise 10b5-1 | +175 | $103.57 | $18K | 38,292 |
| 2025-09-24 | PREVOZNIK MICHAEL E SVP & General Counsel | Sale 10b5-1 | −175 | $187.02 | $33K | 38,117 |
| 2025-09-24 | PREVOZNIK MICHAEL E SVP & General Counsel | Option exercise · Non-Qualifed Stock Option (right to buy) 10b5-1 | −175 | $103.57 | $18K | 227 |
| 2025-09-23 | PREVOZNIK MICHAEL E SVP & General Counsel | Option exercise 10b5-1 | +28,288 | $103.57 | $2.9M | 66,405 |
| 2025-09-23 | PREVOZNIK MICHAEL E SVP & General Counsel | Sale 10b5-1 | −28,288 | $187.12 | $5.3M | 38,117 |
| 2025-09-23 | PREVOZNIK MICHAEL E SVP & General Counsel | Option exercise · Non-Qualifed Stock Option (right to buy) 10b5-1 | −28,288 | $103.57 | $2.9M | 402 |
| 2025-08-21 | Plewman Patrick SVP for Diagnostic Services | Sale 10b5-1 | −1,975 | $185.00 | $365K | 15,269 |
| 2025-08-19 | Plewman Patrick SVP for Diagnostic Services | Option exercise 10b5-1 | +4,532 | $112.17 | $508K | 21,776 |
| 2025-08-19 | Plewman Patrick SVP for Diagnostic Services | Sale 10b5-1 | −4,532 | $183.00 | $829K | 17,244 |
| 2025-08-19 | Plewman Patrick SVP for Diagnostic Services | Option exercise · Non-Qualifed Stock Option (right to buy) 10b5-1 | −4,532 | $112.17 | $508K | 0 |
| 2025-08-15 | Plewman Patrick SVP for Diagnostic Services | Sale 10b5-1 | −1,975 | $180.00 | $356K | 17,244 |
| 2025-08-13 | KUPPUSAMY KARTHIK SVP, Clinical Solutions | Shares withheld for taxes | −123 | $175.91 | $22K | 8,338 |
| 2025-08-06 | Plewman Patrick SVP for Diagnostic Services | Option exercise 10b5-1 | +3,560 | $86.63 | $308K | 24,745 |
| 2025-08-06 | Plewman Patrick SVP for Diagnostic Services | Sale 10b5-1 | −3,560 | $175.00 | $623K | 21,185 |
| 2025-08-06 | Plewman Patrick SVP for Diagnostic Services | Sale 10b5-1 | −1,975 | $175.00 | $346K | 19,219 |
| 2025-08-06 | Plewman Patrick SVP for Diagnostic Services | Option exercise · Non-Qualifed Stock Option (right to buy) 10b5-1 | −3,560 | $86.63 | $308K | 0 |
| 2025-07-31 | KUPPUSAMY KARTHIK SVP, Clinical Solutions | Sale 10b5-1 | −2,210 | $170.00 | $376K | 8,450 |
| 2025-07-30 | KUPPUSAMY KARTHIK SVP, Clinical Solutions | Option exercise 10b5-1 | +3,045 | $86.63 | $264K | 13,705 |
| 2025-07-30 | KUPPUSAMY KARTHIK SVP, Clinical Solutions | Sale 10b5-1 | −3,045 | $167.40 | $510K | 10,660 |
Page 10 of 21 · 409 trades