QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

LEVEL FOUR ADVISORY SERVICES, LLC's Holding History (CIK: 0001696715)

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

Q4 2025

Shares 34,862 Value ($000) $6,050 Avg Close $182.07 Range $173.39 - $197.55

Q3 2025

Shares 34,735 Value ($000) $6,620 Avg Close $176.64 Range $163.92 - $190.64

Q2 2025

Shares 34,108 Value ($000) $6,127 Avg Close $172.09 Range $155.80 - $180.75

Q1 2025

Shares 33,955 Value ($000) $5,745 Avg Close $161.93 Range $146.66 - $176.41

Q4 2024

Shares 36,111 Value ($000) $5,448 Avg Close $152.61 Range $143.46 - $162.25

Q3 2024

Shares 35,441 Value ($000) $5,487 Avg Close $145.81 Range $132.40 - $155.63

Q2 2024

Shares 32,258 Value ($000) $4,415 Avg Close $132.98 Range $121.83 - $141.45

Q4 2018

Shares 2,978 Value ($000) $248 Avg Close $81.26 Range $68.45 - $93.85

Q3 2018

Shares 4,771 Value ($000) $515 Avg Close $94.62 Range $90.13 - $99.79

Q2 2018

Shares 4,419 Value ($000) $486 Avg Close $89.48 Range $82.55 - $100.07

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	34,862	$6,050	$182.07	$173.39 - $197.55
Q3 2025	34,735	$6,620	$176.64	$163.92 - $190.64
Q2 2025	34,108	$6,127	$172.09	$155.80 - $180.75
Q1 2025	33,955	$5,745	$161.93	$146.66 - $176.41
Q4 2024	36,111	$5,448	$152.61	$143.46 - $162.25
Q3 2024	35,441	$5,487	$145.81	$132.40 - $155.63
Q2 2024	32,258	$4,415	$132.98	$121.83 - $141.45
Q4 2018	2,978	$248	$81.26	$68.45 - $93.85
Q3 2018	4,771	$515	$94.62	$90.13 - $99.79
Q2 2018	4,419	$486	$89.48	$82.55 - $100.07