CYTEK BIOSCIENCES INC

Ticker: CTKB CUSIP: 23285D109 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2025
Shares 2,003 Value ($000) $10 Avg Close $4.64 Range $3.45 - $6.18
Q3 2025
Shares 685 Value ($000) $0 Avg Close $3.75 Range $3.09 - $4.28
Q2 2025
Shares 215 Value ($000) $0 Avg Close $3.33 Range $2.37 - $4.10
Q1 2025
Shares 131 Value ($000) $0 Avg Close $5.18 Range $3.90 - $7.30
Q3 2024
Shares 1,440 Value ($000) $0 Avg Close $5.67 Range $4.71 - $6.97
Q2 2024
Shares 1,490 Value ($000) $0 Avg Close $6.01 Range $5.26 - $7.02
Q1 2024
Shares 139 Value ($000) $0 Avg Close $7.91 Range $6.16 - $9.33
Q4 2023
Shares 11 Value ($000) $0 Avg Close $6.29 Range $3.80 - $9.87