Barnett Valerie Insider Trading -- Recent SEC Form 4 Transactions

Barnett Valerie (CIK 1873091) reported 46 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-20). Recent activity: Buy CTKB (2,454 shares), Sell CTKB (881 shares), Buy CTKB (5,156 shares), Sell CTKB (1,850 shares), Buy CTKB (7,250 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2026-05-20Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERBuy2,454$0
2026-05-20Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERSell881$3,128
2026-05-20Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERBuy5,156$0
2026-05-20Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERSell1,850$6,568
2026-05-20Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERBuy7,250$0
2026-05-20Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERSell2,602$9,237
2026-05-20Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERBuy9,435$0
2026-05-20Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERSell3,386$12,020
2026-03-12Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERBuy14,501$0
2026-03-12Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERSell1,761$7,449
2026-03-12Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERBuy10,313$0
2026-03-12Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERSell4,247$17,965
2026-03-12Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERBuy4,908$0
2026-03-12Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERSell5,740$24,280
2026-02-20Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERBuy1,346$0
2026-02-20Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERSell525$2,205
2025-11-20Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERBuy2,016$0
2025-11-20Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERSell649$3,589
2025-11-20Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERBuy3,681$0
2025-11-20Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERSell1,184$6,548
2025-11-20Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERBuy7,735$0
2025-11-20Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERSell2,487$13,753
2025-11-20Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERBuy10,875$0
2025-11-20Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERSell3,497$19,338
2025-08-20Cytek Biosciences, Inc. (CTKB)CHIEF LEGAL OFFICERBuy2,016$0

Source: SEC Form 4 filings · as of 2026-05-20