Cytek Biosciences, Inc. (CTKB) Insider Ownership

Historic Insider Ownership Trends

As of March 23, 2026, Cytek Biosciences's top three insider holders are Capital Management, L.P. Ra (Director, 13.38Mn shares), Ming Yan (Chief Technology Officer, 6.07Mn shares), Wenbin Jiang (President And Ceo, 5.36Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Capital Management, L.P. Ra 0 13,381,054 16 Mar, 2022
Wenbin Jiang President And Ceo 5,422,683 0 12 Mar, 2026
Ming Yan Chief Technology Officer 4,915,933 0 13 Mar, 2026
Wenbin Jiang President And Ceo 0 2,666,600 27 Jul, 2021
Feng Deng 0 443,800 27 Jul, 2021
Valerie Barnett Chief Legal Officer 134,436 0 12 Mar, 2026
Patrik Jeanmonod Chief Financial Officer 97,465 0 13 Mar, 2024
William D. Mccombe Chief Financial Officer 94,687 0 12 Mar, 2026
Allen Poirson Svp Bus. And Corp. Dev. 59,981 0 20 Nov, 2024
Philippe Busque Svp, Global Sales And Services 35,687 0 12 Mar, 2026
Paul Christopher Williams Chief Operating Officer 16,473 0 21 Aug, 2024
Richard Chin 16,285 0 12 Mar, 2026
Vera Imper 15,706 0 09 Jun, 2025
Don M Hardison 15,706 0 09 Jun, 2025
Deborah J Neff 15,706 0 09 Jun, 2025
Michael Holder 15,267 0 12 Mar, 2026
Jonathan Todd Garland Chief Commercial Officer 8,763 0 21 Aug, 2023
Gisele Dion 5,000 0 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
13 Mar, 2026 Ming Yan Common Stock D 1,176,000 $0.00 4,915,933 D G
10 Mar, 2026 Philippe Busque Common Stock A 2,049 - 30,951 D M
10 Mar, 2026 William D. Mccombe Common Stock A 6,320 - 87,034 D M
10 Mar, 2026 Michael Holder Common Stock A 2,908 - 15,267 D M
10 Mar, 2026 Valerie Barnett Common Stock A 4,908 - 121,370 D M
10 Mar, 2026 Richard Chin Common Stock A 6,107 - 16,285 D M
10 Mar, 2026 Ming Yan Common Stock A 9,817 - 6,084,081 D M
10 Mar, 2026 Wenbin Jiang Common Stock A 15,708 - 5,375,535 D M
10 Mar, 2026 Richard Chin Restricted Stock Units D 6,107 $0.00 57,004 D M
10 Mar, 2026 Michael Holder Restricted Stock Units D 2,908 $0.00 10,911 D M
10 Mar, 2026 Wenbin Jiang Common Stock D 3,825 $4.23 5,371,710 D F
10 Mar, 2026 Philippe Busque Common Stock D 635 $4.23 30,316 D F
10 Mar, 2026 Valerie Barnett Common Stock D 1,761 $4.23 119,609 D F
10 Mar, 2026 Ming Yan Common Stock D 3,047 $4.23 6,081,034 D F
10 Mar, 2026 William D. Mccombe Common Stock D 2,603 $4.23 84,431 D F
10 Mar, 2026 Ming Yan Common Stock A 7,366 - 6,088,400 D M
10 Mar, 2026 Philippe Busque Common Stock A 2,946 - 33,262 D M
10 Mar, 2026 Valerie Barnett Common Stock A 10,313 - 129,922 D M
10 Mar, 2026 William D. Mccombe Common Stock A 17,401 - 101,832 D M
10 Mar, 2026 Wenbin Jiang Common Stock A 29,467 - 5,401,177 D M