QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

APPLETON PARTNERS INC/MA's Holding History (CIK: 0001055290)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 20,982 Value ($000) $4 Avg Close $182.07 Range $173.39 - $197.55

Q3 2025

Shares 20,249 Value ($000) $4 Avg Close $176.64 Range $163.92 - $190.64

Q2 2025

Shares 19,146 Value ($000) $3 Avg Close $172.09 Range $155.80 - $180.75

Q1 2025

Shares 8,054 Value ($000) $1 Avg Close $161.93 Range $146.66 - $176.41

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	20,982	$4	$182.07	$173.39 - $197.55
Q3 2025	20,249	$4	$176.64	$163.92 - $190.64
Q2 2025	19,146	$3	$172.09	$155.80 - $180.75
Q1 2025	8,054	$1	$161.93	$146.66 - $176.41