Quest Diagnostics · Insider Trading

Last 365 days · Open-market buys and sells by officers and directors · Same-day, same-person, same-direction trades combined · Amounts in USD millions← DGX

Buy

0 · $0.00M

Sell

5 · $11.9M

Net

−$11.9M

By Insider

Name	Title	Buy	Sell	Latest Trade
PREVOZNIK MICHAEL E	SVP & General Counsel	—	22,677 shares · $5.5M	2026-08-28
Davis J. E.	CEO and President	—	20,000 shares · $4.4M	2026-09-01
KUPPUSAMY KARTHIK	SVP, Clinical Solutions	—	8,147 shares · $1.6M	2026-06-04
DELANEY MARK E	SVP & Chief Commercial Officer	—	1,600 shares · $0.38M	2026-07-28

All Trades

Date	Name	Title	Side	Shares	Trades	Avg Price	Value
2026-09-01	Davis J. E.	CEO and President	Sell	10,000	1	242.72	$2.4M
2026-08-28	PREVOZNIK MICHAEL E	SVP & General Counsel	Sell	22,677	3	243.11	$5.5M
2026-07-28	DELANEY MARK E	SVP & Chief Commercial Officer	Sell	1,600	1	235.18	$0.38M
2026-06-04	KUPPUSAMY KARTHIK	SVP, Clinical Solutions	Sell	8,147	1	200.00	$1.6M
2026-06-01	Davis J. E.	CEO and President	Sell	10,000	1	194.14	$1.9M

Data comes from insiders' SEC ownership filings (Form 4). Only open-market purchases (P) and sales (S) are counted; option exercises, grants, tax withholding and other non-trading changes are excluded.