CTKB Insider Trading Activity and SEC Form 4 Filings
Trump's trades in CTKB
From his financial disclosures
-
0 purchases
$15K+
1 sale
Sale
May 15, 2026
Reported 47d later
$15K - $50K
Many orders in these accounts are placed by the account manager.
CTKB insider trading summary
No open-market insider purchases or sales of Cytek Biosciences, Inc. (CTKB) have been reported on SEC Form 4 in the past 12 months.
Latest CTKB insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Jun 2, 2025 | William D. McCombe | Chief Financial Officer | Buy | $97K (35,000 @ $2.78) |
| Apr 19, 2024 | Ming Yan | Chief Technology Officer | Sell | $117K (20,000 @ $5.87) |
| Apr 9, 2024 | Ming Yan | Chief Technology Officer | Sell | $11K (1,500 @ $7.00) |
| Apr 9, 2024 | Ming Yan | Chief Technology Officer | Sell | $3K (400 @ $7.01) |
| Mar 19, 2024 | Ming Yan | Chief Technology Officer | Sell | $134K (20,000 @ $6.71) |
| Mar 18, 2024 | Ming Yan | Chief Technology Officer | Sell | $135K (20,000 @ $6.77) |
| Dec 26, 2023 | Patrik Jeanmonod | Chief Financial Officer | Sell | $29K (3,000 @ $9.50) |
| Dec 19, 2023 | Ming Yan | Chief Technology Officer | Sell | $189K (20,000 @ $9.43) |
| Nov 24, 2023 | Patrik Jeanmonod | Chief Financial Officer | Sell | $21K (3,000 @ $6.94) |
| Nov 20, 2023 | Ming Yan | Chief Technology Officer | Sell | $121K (20,000 @ $6.03) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.