Cytek Biosciences, Inc. (CTKB)

Latest Insider Confidence Score

2026Q1

49.9
Bearish

Company insider confidence (by quarter)

2021Q3 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Ra Capital Management, L.P. Director 13,381,054 Mar 16, 2022
RA Capital Healthcare Fund LP Director 13,381,054 Mar 16, 2022
Kolchinsky Peter Director 13,381,054 Mar 16, 2022
Shah Rajeev M. Director 13,381,054 Mar 16, 2022
RA Capital Nexus Fund II, L.P. Director 13,381,054 Mar 16, 2022

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 18, 2026 Feb 20, 2026 Jiang Wenbin CEO Sell 52.5 -1,339 -0.02% ✗ $5.6K
Feb 18, 2026 Feb 20, 2026 Yan Ming CHIEF TECHNOLOGY OFFICER Sell 52.5 -395 -0.01% ✗ $1.7K
Feb 18, 2026 Feb 20, 2026 Barnett Valerie CHIEF LEGAL OFFICER Sell 52.5 -525 -0.45% ✗ $2.2K
Nov 18, 2025 Nov 20, 2025 Yan Ming CHIEF TECHNOLOGY OFFICER Sell 51.3 -5,123 -0.02% ✗ $28.3K
Nov 18, 2025 Nov 20, 2025 Busque Philippe SVP, GLOBAL SALES AND SERVICES Sell 46.3 -1,885 -2.31% ✗ $10.4K
Nov 18, 2025 Nov 20, 2025 Barnett Valerie CHIEF LEGAL OFFICER Sell 46.3 -7,817 -1.80% ✗ $43.2K
Nov 18, 2025 Nov 20, 2025 McCombe William D. CFO Sell 46.3 -6,228 -3.92% ✗ $34.4K
Nov 18, 2025 Nov 20, 2025 Jiang Wenbin CEO Sell 47.5 -27,406 -0.13% ✗ $151.6K
Nov 18, 2025 Nov 20, 2025 Holder Michael Director Neutral 52.5 - 0.00% ✗ -
Nov 18, 2025 Nov 20, 2025 Chin Richard Director Neutral 52.5 - 0.00% ✗ -
Aug 18, 2025 Aug 20, 2025 Yan Ming CHIEF TECHNOLOGY OFFICER Sell 51.3 -5,738 -0.02% ✗ $23.3K
Aug 18, 2025 Aug 20, 2025 Busque Philippe SVP, GLOBAL SALES AND SERVICES Sell 46.3 -2,872 -4.26% ✗ $11.7K
Aug 18, 2025 Aug 20, 2025 Barnett Valerie CHIEF LEGAL OFFICER Sell 46.3 -8,829 -2.37% ✗ $35.8K
Aug 18, 2025 Aug 20, 2025 Jiang Wenbin CEO Sell 47.5 -16,959 -0.08% ✗ $68.9K
Aug 18, 2025 Aug 20, 2025 McCombe William D. CFO Sell 46.3 -7,546 -5.60% ✗ $30.6K
Aug 18, 2025 Aug 20, 2025 Holder Michael Director Neutral 52.5 - 0.00% ✗ -
Aug 18, 2025 Aug 20, 2025 Chin Richard Director Neutral 52.5 - 0.00% ✗ -
Jun 18, 2025 Jun 20, 2025 Chin Richard Director Neutral 52.5 - 0.00% ✗ -
Jun 20, 2025 Chin Richard Director Neutral 52.5 - 0.00% ✗ -
Jun 18, 2025 Jun 20, 2025 NEFF DEBORAH J Director Neutral 52.5 - 0.00% ✗ -
Jun 18, 2025 Jun 20, 2025 Ball Jack Director Neutral 52.5 - 0.00% ✗ -
Jun 18, 2025 Jun 20, 2025 Holder Michael Director Neutral 52.5 - 0.00% ✗ -
Jun 18, 2025 Jun 20, 2025 Imper Vera Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2025 Jun 9, 2025 Imper Vera Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2025 Jun 9, 2025 HARDISON DON M Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2025 Jun 9, 2025 Ball Jack Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2025 Jun 9, 2025 NEFF DEBORAH J Director Neutral 52.5 - 0.00% ✗ -
Jun 2, 2025 Jun 3, 2025 McCombe William D. CFO Buy 95.0 +35,000 168.71% ✗ $97.3K
May 19, 2025 May 21, 2025 McCombe William D. CFO Sell 46.3 -13,237 -26.79% ✗ $35.6K
May 19, 2025 May 21, 2025 Jiang Wenbin CEO Sell 51.3 -11,855 -0.06% ✗ $31.9K
May 19, 2025 May 21, 2025 Barnett Valerie CHIEF LEGAL OFFICER Sell 46.3 -6,575 -2.05% ✗ $17.7K
May 19, 2025 May 21, 2025 Busque Philippe SVP, GLOBAL SALES AND SERVICES Sell 47.5 -1,915 -3.49% ✗ $5.2K
May 19, 2025 May 21, 2025 Yan Ming CHIEF TECHNOLOGY OFFICER Sell 51.3 -4,356 -0.02% ✗ $11.7K
May 19, 2025 May 21, 2025 Holder Michael Director Neutral 52.5 - 0.00% ✗ -
Mar 10, 2025 Mar 12, 2025 Barnett Valerie CHIEF LEGAL OFFICER Sell 46.3 -5,929 -4.05% ✗ $25.9K
Mar 10, 2025 Mar 12, 2025 Busque Philippe SVP, GLOBAL SALES AND SERVICES Sell 47.5 -1,947 -6.09% ✗ $8.5K
Mar 10, 2025 Mar 12, 2025 Jiang Wenbin CEO Sell 47.5 -12,656 -0.12% ✗ $55.2K
Mar 10, 2025 Mar 12, 2025 Yan Ming CHIEF TECHNOLOGY OFFICER Sell 51.3 -5,096 -0.04% ✗ $22.2K
Mar 10, 2025 Mar 12, 2025 Holder Michael Director Neutral 52.5 - 0.00% ✗ -
Mar 4, 2025 Mar 6, 2025 Yan Ming CHIEF TECHNOLOGY OFFICER Neutral 52.5 - 0.00% ✗ -
Mar 4, 2025 Mar 6, 2025 McCombe William D. CFO Neutral 52.5 - 0.00% ✗ -
Mar 4, 2025 Mar 6, 2025 Jiang Wenbin CEO Neutral 52.5 - 0.00% ✗ -
Mar 4, 2025 Mar 6, 2025 Busque Philippe SVP, GLOBAL SALES AND SERVICES Neutral 52.5 - 0.00% ✗ -
Mar 4, 2025 Mar 6, 2025 Barnett Valerie CHIEF LEGAL OFFICER Neutral 52.5 - 0.00% ✗ -
Feb 18, 2025 Feb 20, 2025 Barnett Valerie CHIEF LEGAL OFFICER Sell 47.5 -786 -1.21% ✗ $4.2K
Feb 18, 2025 Feb 20, 2025 Yan Ming CHIEF TECHNOLOGY OFFICER Sell 52.5 -588 -0.01% ✗ $3.1K
Feb 18, 2025 Feb 20, 2025 Jiang Wenbin CEO Sell 51.3 -2,004 -0.04% ✗ $10.6K
Nov 18, 2024 Nov 20, 2024 Busque Philippe SVP, GLOBAL SALES AND SERVICES Sell 47.5 -1,460 -5.65% ✗ $8.8K
Nov 18, 2024 Nov 20, 2024 Barnett Valerie CHIEF LEGAL OFFICER Sell 46.3 -4,499 -2.49% ✗ $27.1K
Nov 18, 2024 Nov 20, 2024 Jiang Wenbin CEO Sell 47.5 -9,897 -0.06% ✗ $59.7K
Nov 18, 2024 Nov 20, 2024 Poirson Allen SVP BUS. AND CORP. DEV. Sell 46.3 -2,015 -1.13% ✗ $12.2K
Nov 18, 2024 Nov 20, 2024 Yan Ming CHIEF TECHNOLOGY OFFICER Sell 51.3 -3,622 -0.02% ✗ $21.8K
Nov 18, 2024 Nov 20, 2024 Holder Michael Director Neutral 52.5 - 0.00% ✗ -
Sep 14, 2024 Sep 16, 2024 Jiang Wenbin CEO Neutral 27.5 -200,000 -3.73% ✗ -
Aug 19, 2024 Aug 21, 2024 Holder Michael Director Neutral 52.5 - 0.00% ✗ -
Aug 19, 2024 Aug 21, 2024 Barnett Valerie CHIEF LEGAL OFFICER Sell 46.3 -5,046 -3.26% ✗ $27.9K
Aug 19, 2024 Aug 21, 2024 Jiang Wenbin CEO Sell 47.5 -9,897 -0.06% ✗ $54.7K
Aug 19, 2024 Aug 21, 2024 Yan Ming CHIEF TECHNOLOGY OFFICER Sell 51.3 -3,731 -0.02% ✗ $20.6K
Aug 19, 2024 Aug 21, 2024 Williams Paul Christopher COO Sell 46.3 -4,195 -9.93% ✗ $23.2K
Aug 19, 2024 Aug 21, 2024 Poirson Allen SVP BUS. AND CORP. DEV. Sell 46.3 -2,015 -1.19% ✗ $11.1K
Aug 19, 2024 Aug 21, 2024 Busque Philippe SVP, GLOBAL SALES AND SERVICES Sell 47.5 -1,460 -6.86% ✗ $8.1K
Jun 5, 2024 Jun 7, 2024 Holder Michael Director Neutral 52.5 - 0.00% ✗ -
Jun 7, 2024 Holder Michael Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2024 Jun 7, 2024 Ball Jack Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2024 Jun 7, 2024 NEFF DEBORAH J Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2024 Jun 7, 2024 Imper Vera Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2024 Jun 7, 2024 HARDISON DON M Director Neutral 52.5 - 0.00% ✗ -
May 20, 2024 May 22, 2024 Poirson Allen SVP BUS. AND CORP. DEV. Sell 50.0 -1,447 -0.90% ✗ $8.6K
May 20, 2024 May 22, 2024 Yan Ming CHIEF TECHNOLOGY OFFICER Sell 51.3 -3,137 -0.02% ✗ $18.7K
May 20, 2024 May 22, 2024 Williams Paul Christopher COO Sell 46.3 -2,927 -11.68% ✗ $17.4K
May 20, 2024 May 22, 2024 Jiang Wenbin CEO Sell 51.3 -7,102 -0.04% ✗ $42.3K
May 20, 2024 May 22, 2024 Barnett Valerie CHIEF LEGAL OFFICER Sell 46.3 -3,751 -3.07% ✗ $22.4K
May 20, 2024 May 22, 2024 Busque Philippe SVP, GLOBAL SALES AND SERVICES Sell 46.3 -3,168 -16.79% ✗ $18.9K
May 13, 2024 May 15, 2024 McCombe William D. CFO Neutral 52.5 - 0.00% ✗ -
Apr 19, 2024 Apr 23, 2024 Yan Ming CHIEF TECHNOLOGY OFFICER Sell 48.8 -20,000 -0.33% ✓ $117.4K
Apr 9, 2024 Apr 11, 2024 Yan Ming CHIEF TECHNOLOGY OFFICER Sell 57.5 -1,900 -0.03% ✓ $13.3K
Mar 20, 2024 Mar 21, 2024 Busque Philippe SVP, GLOBAL SALES AND SERVICES Sell 46.3 -2,129 -38.96% ✗ $14.3K
Mar 20, 2024 McCombe William D. CFO Neutral 52.5 - 0.00% ✗ -
Mar 18, 2024 Mar 19, 2024 Yan Ming CHIEF TECHNOLOGY OFFICER Sell 45.0 -40,000 -0.66% ✓ $269.6K
Mar 11, 2024 Mar 13, 2024 Yan Ming CHIEF TECHNOLOGY OFFICER Sell 51.3 -2,911 -0.05% ✗ $21K
Mar 11, 2024 Mar 13, 2024 Williams Paul Christopher COO Sell 47.5 -478 -8.25% ✗ $3.5K
Mar 11, 2024 Mar 13, 2024 Poirson Allen SVP BUS. AND CORP. DEV. Sell 47.5 -1,301 -2.48% ✗ $9.4K
Mar 11, 2024 Mar 13, 2024 Jiang Wenbin CEO Sell 51.3 -4,646 -0.09% ✗ $33.5K
Mar 11, 2024 Mar 13, 2024 Jeanmonod Patrik CFO Sell 46.3 -1,912 -1.92% ✗ $13.8K
Mar 11, 2024 Mar 13, 2024 Barnett Valerie CHIEF LEGAL OFFICER Sell 46.3 -1,912 -5.02% ✗ $13.8K
Mar 6, 2024 Mar 8, 2024 Yan Ming CHIEF TECHNOLOGY OFFICER Neutral 52.5 - 0.00% ✗ -
Mar 6, 2024 Mar 8, 2024 Williams Paul Christopher COO Neutral 52.5 - 0.00% ✗ -
Mar 6, 2024 Mar 8, 2024 Poirson Allen SVP BUS. AND CORP. DEV. Neutral 52.5 - 0.00% ✗ -
Mar 6, 2024 Mar 8, 2024 Jiang Wenbin CEO Neutral 52.5 - 0.00% ✗ -
Mar 6, 2024 Mar 8, 2024 Busque Philippe SVP, GLOBAL SALES AND SERVICES Neutral 52.5 - 0.00% ✗ -
Mar 6, 2024 Mar 8, 2024 Barnett Valerie CHIEF LEGAL OFFICER Neutral 52.5 - 0.00% ✗ -
Feb 20, 2024 Feb 22, 2024 Yan Ming CHIEF TECHNOLOGY OFFICER Sell 52.5 -588 -0.01% ✗ $4.9K
Feb 20, 2024 Feb 22, 2024 Williams Paul Christopher COO Sell 47.5 -392 -7.90% ✗ $3.3K
Feb 20, 2024 Feb 22, 2024 Jiang Wenbin CEO Sell 51.3 -2,004 -0.04% ✗ $16.8K
Feb 20, 2024 Feb 22, 2024 Barnett Valerie CHIEF LEGAL OFFICER Sell 47.5 -786 -2.31% ✗ $6.6K
Feb 20, 2024 Feb 22, 2024 Jeanmonod Patrik CFO Sell 50.0 -683 -0.72% ✗ $5.7K
Feb 20, 2024 Feb 22, 2024 Poirson Allen SVP BUS. AND CORP. DEV. Sell 50.0 -308 -0.62% ✗ $2.6K
Dec 26, 2023 Dec 27, 2023 Jeanmonod Patrik CFO Sell 41.3 -3,000 -3.11% ✓ $28.5K
Dec 19, 2023 Dec 21, 2023 Yan Ming Chief Technology Officer Sell 48.8 -20,000 -0.33% ✓ $188.6K
Nov 24, 2023 Nov 27, 2023 Jeanmonod Patrik CFO Sell 41.3 -3,000 -3.02% ✓ $20.8K