Cytek Biosciences, Inc. (CTKB) Insider Ownership

Historic Insider Ownership Trends

Over the 90-day window ending February 19, 2026, Cytek Biosciences's three dominant insider ownership positions are held by Director Capital Management, L.P. Ra (13.38Mn shares), President And Ceo Wenbin Jiang (8.02Mn shares), Chief Technology Officer Ming Yan (6.07Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Capital Management, L.P. Ra 13,381,054 16 Mar, 2022
Wenbin Jiang President And Ceo 8,023,252 20 Nov, 2025
Ming Yan Chief Technology Officer 6,073,327 20 Nov, 2025
Feng Deng 443,800 27 Jul, 2021
Valerie Barnett Chief Legal Officer 115,641 20 Nov, 2025
Patrik Jeanmonod Chief Financial Officer 97,465 13 Mar, 2024
William D. Mccombe Chief Financial Officer 80,714 20 Nov, 2025
Allen Poirson Svp Bus. And Corp. Dev. 59,981 20 Nov, 2024
Jack Ball 42,705 09 Jun, 2025
Philippe Busque Svp And Global Sales And Services 28,902 20 Nov, 2025
Paul Christopher Williams Chief Operating Officer 16,473 21 Aug, 2024
Don M Hardison 15,706 09 Jun, 2025
Deborah J Neff 15,706 09 Jun, 2025
Vera Imper 15,706 09 Jun, 2025
Michael Holder 12,359 20 Nov, 2025
Richard Chin 10,178 20 Nov, 2025
Jonathan Todd Garland Chief Commercial Officer 8,763 21 Aug, 2023
Gisele Dion 5,000 27 Jul, 2021

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
18 Nov, 2025 Richard Chin Common Stock A 6,107 - 10,178 D M
18 Nov, 2025 Michael Holder Common Stock A 2,181 - 12,359 D M
18 Nov, 2025 Wenbin Jiang Common Stock D 11,413 $5.53 5,356,652 D F
18 Nov, 2025 Wenbin Jiang Common Stock A 11,781 - 5,330,296 D M
18 Nov, 2025 Wenbin Jiang Common Stock A 6,758 - 5,321,175 D M
18 Nov, 2025 Wenbin Jiang Common Stock A 29,002 - 5,368,065 D M
18 Nov, 2025 Wenbin Jiang Common Stock D 2,660 $5.53 5,318,515 D F
18 Nov, 2025 Wenbin Jiang Common Stock D 8,697 $5.53 5,339,063 D F
18 Nov, 2025 Wenbin Jiang Common Stock D 4,636 $5.53 5,325,660 D F
18 Nov, 2025 Wenbin Jiang Common Stock A 22,100 - 5,347,760 D M
18 Nov, 2025 Valerie Barnett Common Stock A 10,875 - 119,138 D M
18 Nov, 2025 Valerie Barnett Common Stock D 649 $5.53 100,518 D F
18 Nov, 2025 Valerie Barnett Common Stock A 2,016 - 101,167 D M
18 Nov, 2025 Valerie Barnett Common Stock A 3,681 - 104,199 D M
18 Nov, 2025 Valerie Barnett Common Stock D 1,184 $5.53 103,015 D F
18 Nov, 2025 Valerie Barnett Common Stock D 3,497 $5.53 115,641 D F
18 Nov, 2025 Valerie Barnett Common Stock A 7,735 - 110,750 D M
18 Nov, 2025 Valerie Barnett Common Stock D 2,487 $5.53 108,263 D F
18 Nov, 2025 Ming Yan Common Stock A 7,363 - 6,066,280 D M
18 Nov, 2025 Ming Yan Common Stock D 1,346 $5.53 6,068,666 D F