CYTEK BIOSCIENCES INC

Ticker: CTKB CUSIP: 23285D109 Class: Common Stock

Rockefeller Capital Management L.P.'s Holding History (CIK: 0001739439)

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

Q4 2025

Shares 1,026 Value ($000) $5 Avg Close $4.64 Range $3.45 - $6.18

Q3 2025

Shares 175 Value ($000) $1 Avg Close $3.75 Range $3.09 - $4.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,026	$5	$4.64	$3.45 - $6.18
Q3 2025	175	$1	$3.75	$3.09 - $4.28