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 |
|---|---|---|---|---|---|---|
| 2026-02-18 | SAMAD SAM Executive Vice President & CFO | Shares withheld for taxes | −1,010 | $206.99 | $209K | 27,841 |
| 2026-02-18 | SAMAD SAM Executive Vice President & CFO | Grant or award · Non-Qualifed Stock Option (right to buy) | +18,303 | 18,303 | ||
| 2026-02-18 | Davis J. E. CEO and President | Grant or award | +15,857 | 136,337 | ||
| 2026-02-18 | Davis J. E. CEO and President | Shares withheld for taxes | −2,396 | $210.01 | $503K | 133,941 |
| 2026-02-18 | Davis J. E. CEO and President | Shares withheld for taxes | −3,788 | $206.99 | $784K | 130,153 |
| 2026-02-18 | Davis J. E. CEO and President | Grant or award · Non-Qualifed Stock Option (right to buy) | +73,225 | 73,225 | ||
| 2026-02-18 | Doherty Catherine T. EVP, Regional Businesses | Grant or award 10b5-1 | +2,928 | 70,996 | ||
| 2026-02-18 | Doherty Catherine T. EVP, Regional Businesses | Shares withheld for taxes 10b5-1 | −433 | $210.01 | $91K | 70,563 |
| 2026-02-18 | Doherty Catherine T. EVP, Regional Businesses | Shares withheld for taxes 10b5-1 | −728 | $206.99 | $151K | 69,835 |
| 2026-02-18 | Doherty Catherine T. EVP, Regional Businesses | Grant or award · Non-Qualifed Stock Option (right to buy) 10b5-1 | +13,514 | 13,514 | ||
| 2026-02-18 | Plewman Patrick SVP for Diagnostic Services | Grant or award 10b5-1 | +1,952 | 17,333 | ||
| 2026-02-18 | Plewman Patrick SVP for Diagnostic Services | Shares withheld for taxes 10b5-1 | −244 | $210.01 | $51K | 17,089 |
| 2026-02-18 | Plewman Patrick SVP for Diagnostic Services | Shares withheld for taxes 10b5-1 | −293 | $206.99 | $61K | 16,796 |
| 2026-02-18 | Plewman Patrick SVP for Diagnostic Services | Grant or award · Non-Qualifed Stock Option (right to buy) 10b5-1 | +9,009 | 9,009 | ||
| 2026-02-18 | PREVOZNIK MICHAEL E SVP & General Counsel | Grant or award 10b5-1 | +2,013 | 40,130 | ||
| 2026-02-18 | PREVOZNIK MICHAEL E SVP & General Counsel | Shares withheld for taxes 10b5-1 | −301 | $210.01 | $63K | 39,829 |
| 2026-02-18 | PREVOZNIK MICHAEL E SVP & General Counsel | Shares withheld for taxes 10b5-1 | −347 | $206.99 | $72K | 39,482 |
| 2026-02-18 | PREVOZNIK MICHAEL E SVP & General Counsel | Grant or award · Non-Qualifed Stock Option (right to buy) 10b5-1 | +9,289 | 9,289 | ||
| 2026-02-13 | Doherty Catherine T. EVP, Regional Businesses | Option exercise 10b5-1 | +26,165 | $112.17 | $2.9M | 94,233 |
| 2026-02-13 | Doherty Catherine T. EVP, Regional Businesses | Sale 10b5-1 | −10,573 | $205.21 | $2.2M | 83,660 |
Page 7 of 21 · 409 trades