Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:ad0f13e6-e6d2-f532-97e4-c592b2eff35e 2026-09-20T17:43:05-04:00 Jonathan Moreland Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services CTKB: JIANG WENBIN (PR,CEO,DIR) Acquired (JB) 120,095 Shares of CYTEK BIOSCIENCES INC for $0.00 on 8/18 urn:uuid:52b09286-473e-3e6e-3c4c-0635192b32c7 2026-08-20T16:35:16-04:00 CTKB: JIANG WENBIN (PR,CEO,DIR) Disposed (JS) 36,269 Shares of CYTEK BIOSCIENCES INC for $4.67 on 8/18 urn:uuid:7326e3a3-bc3c-f5ed-b88c-adb58f59d3e6 2026-08-20T16:35:16-04:00 CTKB: MCCOMBE WILLIAM D (CFO) Acquired (JB) 35,420 Shares of CYTEK BIOSCIENCES INC for $0.00 on 8/18 urn:uuid:233fda1b-6c9c-4124-3e6d-30e6eee46e95 2026-08-20T16:34:02-04:00 CTKB: MCCOMBE WILLIAM D (CFO) Disposed (JS) 11,904 Shares of CYTEK BIOSCIENCES INC for $4.67 on 8/18 urn:uuid:4c9102a0-1fe2-d650-ac8f-eb058e69add2 2026-08-20T16:34:02-04:00 CTKB: MUIR GLENN P (DIR) Acquired (JB) 3,086 Shares of CYTEK BIOSCIENCES INC for $0.00 on 8/18 urn:uuid:00313223-5ded-8436-c161-e1fff484f786 2026-08-20T16:31:29-04:00 CTKB: HOLDER MICHAEL (DIR) Acquired (JB) 2,181 Shares of CYTEK BIOSCIENCES INC for $0.00 on 8/18 urn:uuid:5023c5ad-cc5b-9565-8780-dec37b412bcf 2026-08-20T16:28:33-04:00 CTKB: CHIN RICHARD (DIR) Acquired (JB) 6,107 Shares of CYTEK BIOSCIENCES INC for $0.00 on 8/18 urn:uuid:91e2c3ab-2b3f-e44a-1181-d81216bf95ec 2026-08-20T16:27:05-04:00 CTKB: YAN MING (CTO,DIR) Acquired (JB) 33,270 Shares of CYTEK BIOSCIENCES INC for $0.00 on 8/18 urn:uuid:a0f001a1-174c-10d6-c7d0-2c50670b0328 2026-08-20T16:22:56-04:00 CTKB: YAN MING (CTO,DIR) Disposed (JS) 8,088 Shares of CYTEK BIOSCIENCES INC for $4.67 on 8/18 urn:uuid:72a69842-45e9-bee9-fb29-5ad511b1a575 2026-08-20T16:22:56-04:00 CTKB: FEUCHTWANG ILAN (LO,SEC) Filed a Form 3, Becoming a Registered Insider at CYTEK BIOSCIENCES INC With Initial Holdings of 0 urn:uuid:ec56bad6-685e-fe50-eb26-a2b32099fe2a 2026-06-30T21:07:27-04:00