Cytek Biosciences, Inc. (CTKB) Insider Ownership

Historic Insider Ownership Trends

CTKB's three largest insider shareholders as of June 18, 2026 are Capital Management, L.P. Ra (Director, 13.38Mn shares), Wenbin Jiang (President And Ceo, 7.90Mn shares), Wenbin Jiang (President And Ceo, 5.42Mn 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
Feng Deng - 0 443,800 27 Jul, 2021
Don M Hardison - 15,706 0 09 Jun, 2025
Deborah J Neff - 15,706 0 09 Jun, 2025
Richard Chin - 16,285 0 12 Mar, 2026
Capital Management, L.P. Ra - 0 13,381,054 16 Mar, 2022
Michael Holder - 15,267 0 12 Mar, 2026
Wenbin Jiang President And Ceo 7,901,541 0 20 May, 2022
Jack Ball - 42,705 0 09 Jun, 2025
Patrik Jeanmonod Chief Financial Officer 97,465 0 13 Mar, 2024
Gisele Dion - 5,000 0 27 Jul, 2021
Valerie Barnett Chief Legal Officer 134,436 0 12 Mar, 2026
Ming Yan Chief Technology Officer 4,915,933 0 13 Mar, 2026
Allen Poirson Svp Bus. And Corp. Dev. 59,981 0 20 Nov, 2024
William D. Mccombe Chief Financial Officer 94,687 0 12 Mar, 2026
Vera Imper - 15,706 0 09 Jun, 2025
Jonathan Todd Garland Chief Commercial Officer 8,763 0 21 Aug, 2023
Paul Christopher Williams Chief Operating Officer 16,473 0 21 Aug, 2024
Philippe Busque Svp, Global Sales And Services 35,687 0 12 Mar, 2026

* 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
13 Mar, 2026 Ming Yan Common Stock D 1,176,000 $0.00 4,915,933 D G
10 Mar, 2026 Richard Chin Common Stock A 6,107 - 16,285 D M
10 Mar, 2026 Valerie Barnett Common Stock A 4,908 - 121,370 D M
10 Mar, 2026 Wenbin Jiang Common Stock A 15,708 - 5,375,535 D M
10 Mar, 2026 Ming Yan Common Stock A 9,817 - 6,084,081 D M
10 Mar, 2026 Michael Holder Common Stock A 2,908 - 15,267 D M
10 Mar, 2026 Ming Yan Common Stock A 9,817 - 6,084,081 D M
10 Mar, 2026 Michael Holder Common Stock A 2,908 - 15,267 D M
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 Wenbin Jiang Common Stock A 15,708 - 5,375,535 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 Ming Yan Common Stock D 3,047 $4.23 6,081,034 D F
10 Mar, 2026 Valerie Barnett Common Stock D 1,761 $4.23 119,609 D F
10 Mar, 2026 Richard Chin Restricted Stock Units D 6,107 $0.00 57,004 D M
10 Mar, 2026 William D. Mccombe Common Stock D 2,603 $4.23 84,431 D F
10 Mar, 2026 Michael Holder Restricted Stock Units D 2,908 $0.00 10,911 D M
10 Mar, 2026 Ming Yan Common Stock D 3,047 $4.23 6,081,034 D F