DGX
Ticker
Quest Diagnostics Incorporated
DGX · Healthcare · Quest Diagnostics Incorporated provides diagnostic testing and services in the United StatesQuest Diagnostics Incorporated (DGX), in the Healthcare sector, has 27 disclosed filings on Paydirt over the trailing twelve months from 4 members of Congress and 8 corporate insiders: 3 purchases and 26 sales, 6 filed past the deadline. Filers took a median of 2 days from execution to disclosure, and the most recent trade was executed Sep 1 and filed Sep 3. The most active filer was Catherine T. Doherty with 9 filings.
Add to watchlistFilings, ttm
27
3 buys · 26 sells · 6 late
Traders, ttm
12
4 congress · 8 insiders
Volume, ttmiDollar value disclosed in the window
$37.2M
estimated for Congress, as filed for insiders
Median delay
2d
execution to disclosure
Last traded
Sep 1
Filed Sep 3
ADViAverage daily dollar volume
$221.6M
market data
Share price · 12M
$235 (+29.7%)
Adjusted for splits and dividends.
Volume by month
Buys $32K
Sells $70.7M
Estimated for Congress, as filed for insiders · by filing month · past 24 months
Who filed
CDRecent filings
J. E. DavisSALE
CEO and President
$2.4M10,000 sh × $242.72
Exec Sep 1
Filed Sep 3 · 5:05 PM ET Michael E PrevoznikSALE SVP & General Counsel $5.5M
22,677 sh across 3 lots
Exec Aug 28
Filed Aug 31 · 4:37 PM ET Carol Devine MillerSALE Representative (Spouse) $33K
$15K–50K bracket
Exec Mar 10 2025
Filed Aug 13 † Julie JohnsonPURCHASE Representative (Joint) $8K
$1K–15K bracket
Exec Oct 30 2025
Filed Aug 5 † Julie JohnsonSALE Representative (Joint) $8K
$1K–15K bracket
Exec Oct 30 2025
Filed Aug 5 † Mark E DelaneySALE SVP & Chief Commercial Officer $376K
1,600 sh × $235.18
Exec Jul 28
Filed Jul 29 · 5:04 PM ET Alan ArmstrongPURCHASE Senator $16K
2 lots · $2K–30K bracket
Exec Mar 27
Filed Jul 21 † Karthik KuppusamySALE SVP, Clinical Solutions $1.6M
8,147 sh × $200.00
Exec Jun 4
Filed Jun 8 · 5:30 PM ET J. E. DavisSALE CEO and President $1.9M
10,000 sh × $194.14
Exec Jun 1
Filed Jun 2 · 5:30 PM ET Karthik KuppusamySALE SVP, Clinical Solutions $538K
2,628 sh × $204.86
Exec Mar 4
Filed Mar 6 · 5:30 PM ET Patrick PlewmanSALE SVP for Diagnostic Services $589K
2,855 sh × $206.21
Exec Mar 5
Filed Mar 6 · 5:30 PM ET Michael E PrevoznikSALE SVP & General Counsel $800K
3,878 sh × $206.21
Exec Mar 5
Filed Mar 6 · 5:30 PM ET Catherine T. DohertySALE EVP, Regional Businesses $1.1M
5,558 sh × $206.21
Exec Mar 5
Filed Mar 6 · 5:30 PM ET J. E. DavisSALE CEO and President $2.1M
10,000 sh × $212.52
Exec Mar 2
Filed Mar 4 · 5:30 PM ET Michael E PrevoznikSALE SVP & General Counsel $109K
526 sh × $207.73
Exec Mar 3
Filed Mar 4 · 5:30 PM ET Catherine T. DohertySALE EVP, Regional Businesses $131K
632 sh × $207.73
Exec Mar 3
Filed Mar 4 · 5:30 PM ET Catherine T. DohertySALE EVP, Regional Businesses $294K
1,433 sh × $204.83
Exec Feb 19
Filed Feb 20 · 5:30 PM ET Michael E PrevoznikSALE SVP & General Counsel $228K
1,111 sh × $204.83
Exec Feb 19
Filed Feb 20 · 5:30 PM ET Patrick PlewmanSALE SVP for Diagnostic Services $196K
958 sh × $204.83
Exec Feb 19
Filed Feb 20 · 5:30 PM ET Catherine T. DohertySALE EVP, Regional Businesses $5.3M
25,814 sh across 4 lots
Exec Feb 13
Filed Feb 17 · 5:30 PM ET Patrick PlewmanSALE SVP for Diagnostic Services $1.2M
5,662 sh × $204.00
Exec Feb 10
Filed Feb 12 · 5:30 PM ET Julia LetlowSALE Representative $8K
$1K–15K bracket
Exec Jul 24 2025
Filed Jan 13 † Julia LetlowPURCHASE Representative $8K
$1K–15K bracket
Exec Apr 28 2025
Filed Jan 13 † Julie JohnsonSALE Representative (Joint) $8K
$1K–15K bracket
Exec Nov 3 2025
Filed Dec 11 2025 Vicky B GreggSALE Director $240K
1,250 sh × $191.76
Exec Nov 25 2025
Filed Nov 28 2025 · 5:30 PM ET