CYTEK BIOSCIENCES INC

Ticker: CTKB CUSIP: 23285D109 Class: Common Stock

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q4 2025

Shares 30,032 Value ($000) $152 Avg Close $4.64 Range $3.45 - $6.18

Q3 2025

Shares 175,759 Value ($000) $610 Avg Close $3.75 Range $3.09 - $4.28

Q1 2024

Shares 13,211 Value ($000) $89 Avg Close $7.91 Range $6.16 - $9.33

Q1 2022

Shares 524,421 Value ($000) $5,653 Avg Close $13.50 Range $9.71 - $17.41

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	30,032	$152	$4.64	$3.45 - $6.18
Q3 2025	175,759	$610	$3.75	$3.09 - $4.28
Q1 2024	13,211	$89	$7.91	$6.16 - $9.33
Q1 2022	524,421	$5,653	$13.50	$9.71 - $17.41