Cytek Biosciences, Inc. (CTKB) Insider Ownership

Historic Insider Ownership Trends

As of April 22, 2026, the three largest insider holders of CTKB are Wenbin Jiang (President And Ceo, 7.90Mn shares), Wenbin Jiang (President And Ceo, 5.42Mn shares), Ming Yan (Chief Technology Officer, 4.92Mn 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
Wenbin Jiang President And Ceo 7,901,541 0 20 May, 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
Allen Poirson Svp Bus. And Corp. Dev. 59,981 0 20 Nov, 2024
Jack Ball - 42,705 0 09 Jun, 2025
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
Don M Hardison - 15,706 0 09 Jun, 2025
Deborah J Neff - 15,706 0 09 Jun, 2025
Vera Imper - 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 William D. Mccombe Common Stock A 6,320 - 87,034 D M
10 Mar, 2026 Philippe Busque Common Stock A 2,049 - 30,951 D M
10 Mar, 2026 Wenbin Jiang Common Stock A 15,708 - 5,375,535 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 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 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 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 Philippe Busque Common Stock D 635 $4.23 30,316 D F
10 Mar, 2026 William D. Mccombe Common Stock D 2,603 $4.23 84,431 D F
10 Mar, 2026 Wenbin Jiang Common Stock D 3,825 $4.23 5,371,710 D F
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
10 Mar, 2026 Valerie Barnett Common Stock A 10,313 - 129,922 D M
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