CYTEK BIOSCIENCES INC

Ticker: CTKB CUSIP: 23285D109 Class: Common Stock

Vanguard Personalized Indexing Management, LLC's Holding History (CIK: 0001767306)

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

Q4 2025

Shares 12,245 Value ($000) $62 Avg Close $4.64 Range $3.45 - $6.18

Q3 2025

Shares 11,558 Value ($000) $40 Avg Close $3.75 Range $3.09 - $4.28

Q2 2025

Shares 12,395 Value ($000) $42 Avg Close $3.33 Range $2.37 - $4.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	12,245	$62	$4.64	$3.45 - $6.18
Q3 2025	11,558	$40	$3.75	$3.09 - $4.28
Q2 2025	12,395	$42	$3.33	$2.37 - $4.10