QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

Caitong International Asset Management Co., Ltd's Holding History (CIK: 0001963355)

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

Q4 2025

Shares 380 Value ($000) $66 Avg Close $182.07 Range $173.39 - $197.55

Q3 2025

Shares 173 Value ($000) $33 Avg Close $176.64 Range $163.92 - $190.64

Q1 2025

Shares 335 Value ($000) $57 Avg Close $161.93 Range $146.66 - $176.41

Q4 2024

Shares 21 Value ($000) $3 Avg Close $152.61 Range $143.46 - $162.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	380	$66	$182.07	$173.39 - $197.55
Q3 2025	173	$33	$176.64	$163.92 - $190.64
Q1 2025	335	$57	$161.93	$146.66 - $176.41
Q4 2024	21	$3	$152.61	$143.46 - $162.25