GP
Gary M Pfeiffer (Director) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in Quest Diagnostics Incorporated (DGX). The largest single filing was $292K of DGX (1,203 sh × $243.00, as filed), executed Oct 26. Data as of Nov 8 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
1
0 buys · 1 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$292K
shares × price, as filed
Last traded
Oct 26
Filed Oct 28
Median ADV $221.6M across their filed names
Open performance→Volume by month
Buys $0
Sells $563K
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
1 filing
Sector per market data · by filing · past 12 months
Most traded names
DGXRecent filings
DGXSALE
Quest Diagnostics Incorporated
View filing →
$292K1,203 sh × $243.00
Exec Oct 26
Filed Oct 28 · 6:05 PM ET DGXSALE Quest Diagnostics Incorporated View filing → $270K
1,482 sh × $182.40
Exec Oct 22 2025
Filed Oct 24 2025 · 5:30 PM ET