Busque Philippe - Insider Non-Derivative Transactions at Cytek Biosciences, Inc. (CTKB) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Nov 18, 2025, Busque Philippe's relationship to Cytek Biosciences, Inc. (CTKB) is Officer (SVP, GLOBAL SALES AND SERVICES), and currently has 29,829 shares of Common Stock.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other CTKB insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Busque Philippe - Insider Non-Derivative Transactions of CTKB Common Stock
Busque Philippe - Insider Non-Derivative Transactions at CTKB
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Nov 19, 2025 | F -- (Common Stock) | 393 | 5.53 | 24559 |
| Nov 19, 2025 | M -- (Common Stock) | 1536 | 0 | 24952 |
| Nov 19, 2025 | F -- (Common Stock) | 565 | 5.53 | 26204 |
| Nov 19, 2025 | M -- (Common Stock) | 2210 | 0 | 26769 |
| Nov 19, 2025 | F -- (Common Stock) | 927 | 5.53 | 28902 |
| Nov 19, 2025 | M -- (Common Stock) | 3625 | 0 | 29829 |
| Aug 19, 2025 | F -- (Common Stock) | 599 | 4.06 | 19854 |
| Aug 19, 2025 | M -- (Common Stock) | 1536 | 0 | 20453 |
| Aug 19, 2025 | F -- (Common Stock) | 861 | 4.06 | 21203 |
| Aug 19, 2025 | M -- (Common Stock) | 2210 | 0 | 22064 |
| Aug 19, 2025 | F -- (Common Stock) | 1412 | 4.06 | 23416 |
| Aug 19, 2025 | M -- (Common Stock) | 3625 | 0 | 24828 |
| May 20, 2025 | F -- (Common Stock) | 399 | 2.69 | 16544 |
| May 20, 2025 | M -- (Common Stock) | 1024 | 0 | 16943 |
| May 20, 2025 | F -- (Common Stock) | 574 | 2.69 | 17443 |
| May 20, 2025 | M -- (Common Stock) | 1473 | 0 | 18017 |
| May 20, 2025 | F -- (Common Stock) | 942 | 2.69 | 18917 |
| May 20, 2025 | M -- (Common Stock) | 2416 | 0 | 19859 |
| Mar 11, 2025 | F -- (Common Stock) | 799 | 4.36 | 14121 |
| Mar 11, 2025 | M -- (Common Stock) | 2049 | 0 | 14920 |
| Mar 11, 2025 | F -- (Common Stock) | 1148 | 4.36 | 15919 |
| Mar 11, 2025 | M -- (Common Stock) | 2946 | 0 | 17067 |
| Nov 19, 2024 | F -- (Common Stock) | 599 | 6.03 | 11522 |
| Nov 19, 2024 | M -- (Common Stock) | 1536 | 0 | 12121 |
| Nov 19, 2024 | F -- (Common Stock) | 861 | 6.03 | 12871 |
| Nov 19, 2024 | M -- (Common Stock) | 2210 | 0 | 13732 |
| Aug 20, 2024 | F -- (Common Stock) | 599 | 5.53 | 9236 |
| Aug 20, 2024 | M -- (Common Stock) | 1536 | 0 | 9835 |
| Aug 20, 2024 | F -- (Common Stock) | 861 | 5.53 | 10585 |
| Aug 20, 2024 | M -- (Common Stock) | 2210 | 0 | 11446 |
| May 21, 2024 | F -- (Common Stock) | 2594 | 5.96 | 7400 |
| May 21, 2024 | F -- (Common Stock) | 574 | 5.96 | 8299 |
| May 21, 2024 | M -- (Common Stock) | 1473 | 0 | 8873 |
| May 21, 2024 | M -- (Common Stock) | 6659 | 0 | 9994 |
| Mar 21, 2024 | F -- (Common Stock) | 2129 | 6.7 | 3335 |
| Mar 21, 2024 | M -- (Common Stock) | 5464 | 0 | 5464 |
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