QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

SIERRA OCEAN, LLC's Holding History (CIK: 0002051715)

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

Q2 2025

Shares 193 Value ($000) $35 Avg Close $172.09 Range $155.80 - $180.75

Q1 2025

Shares 227 Value ($000) $38 Avg Close $161.93 Range $146.66 - $176.41

Q4 2024

Shares 221 Value ($000) $33 Avg Close $152.61 Range $143.46 - $162.25

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	193	$35	$172.09	$155.80 - $180.75
Q1 2025	227	$38	$161.93	$146.66 - $176.41
Q4 2024	221	$33	$152.61	$143.46 - $162.25