CYTEK BIOSCIENCES INC

Ticker: CTKB CUSIP: 23285D109 Class: Common Stock

SBI Securities Co., Ltd.'s Holding History (CIK: 0001851815)

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

Q4 2025

Shares 5,010 Value ($000) $25 Avg Close $4.64 Range $3.45 - $6.18

Q3 2025

Shares 2,510 Value ($000) $9 Avg Close $3.75 Range $3.09 - $4.28

Q2 2025

Shares 2,520 Value ($000) $9 Avg Close $3.33 Range $2.37 - $4.10

Q1 2025

Shares 20 Value ($000) $0 Avg Close $5.18 Range $3.90 - $7.30

Q4 2024

Shares 10 Value ($000) $0 Avg Close $5.96 Range $4.66 - $7.63

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	5,010	$25	$4.64	$3.45 - $6.18
Q3 2025	2,510	$9	$3.75	$3.09 - $4.28
Q2 2025	2,520	$9	$3.33	$2.37 - $4.10
Q1 2025	20	$0	$5.18	$3.90 - $7.30
Q4 2024	10	$0	$5.96	$4.66 - $7.63