| Security | CTKB / Cytek Biosciences, Inc. |
| Insider | McCombe William D. |
Insider Purchases - Short Term Profit Analysis
In this section, we analyze the profitability of every unplanned, open-market insider purchase made by McCombe William D. in CTKB / Cytek Biosciences, Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
| Trade Date | Reported Shares |
Reported Price |
Adjusted Shares |
Adjusted Price |
Cost Basis | Days to Max |
Price at Max |
Max Profit ($) |
Max Return (%) |
|---|---|---|---|---|---|---|---|---|---|
| 2025-06-02 | 35,000 | 2.7800 | 35,000 | 2.7800 | 97,300 | 172 | 5.8800 | 108,500 | 111.51 |
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Sales - Short Term Loss Analysis
In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by McCombe William D. in CTKB / Cytek Biosciences, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
| Trade Date | Reported Shares |
Reported Price |
Adjusted Shares |
Adjusted Price |
Cost Basis | Days to Min |
Price at Min |
Max Loss Avoided ($) |
Max Loss Avoided (%) |
|---|---|---|---|---|---|---|---|
| There are no known unplanned open-market trades for this insider |
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Transaction History
| File Date |
Trade Date |
Form | Insider | Ticker | Security Title | Code | Direct | Exercise Price |
Unit Price |
Units Changed |
Value Changed (1K) |
Remaining Options |
Remaining Shares |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-20 | 2026-05-18 | 4 | McCombe William D. | CTKB | Common Stock | D | 3.5500 | -3,839 | -14 | 111,177 | ||||
| 2026-05-20 | 2026-05-18 | 4 | McCombe William D. | CTKB | Common Stock | D | 10,699 | 115,016 | ||||||
| 2026-05-20 | 2026-05-18 | 4 | McCombe William D. | CTKB | Common Stock | D | 3.5500 | -3,122 | -11 | 104,317 | ||||
| 2026-05-20 | 2026-05-18 | 4 | McCombe William D. | CTKB | Common Stock | D | 8,700 | 107,439 | ||||||
| 2026-05-20 | 2026-05-18 | 4 | McCombe William D. | CTKB | Common Stock | D | 3.5500 | -2,268 | -8 | 98,739 | ||||
| 2026-05-20 | 2026-05-18 | 4 | McCombe William D. | CTKB | Common Stock | D | 6,320 | 101,007 | ||||||
| 2026-03-12 | 2026-03-10 | 4 | McCombe William D. | CTKB | Common Stock | D | 4.2300 | -7,145 | -30 | 94,687 | ||||
| 2026-03-12 | 2026-03-10 | 4 | McCombe William D. | CTKB | Common Stock | D | 17,401 | 101,832 | ||||||
| 2026-03-12 | 2026-03-10 | 4 | McCombe William D. | CTKB | Common Stock | D | 4.2300 | -2,603 | -11 | 84,431 | ||||
| 2026-03-12 | 2026-03-10 | 4 | McCombe William D. | CTKB | Common Stock | D | 6,320 | 87,034 | ||||||
| 2025-11-20 | 2025-11-18 | 4 | McCombe William D. | CTKB | Common Stock | D | 5.5300 | -4,196 | -23 | 80,714 | ||||
| 2025-11-20 | 2025-11-18 | 4 | McCombe William D. | CTKB | Common Stock | D | 13,051 | 84,910 | ||||||
| 2025-11-20 | 2025-11-18 | 4 | McCombe William D. | CTKB | Common Stock | D | 5.5300 | -2,032 | -11 | 71,859 | ||||
| 2025-11-20 | 2025-11-18 | 4 | McCombe William D. | CTKB | Common Stock | D | 6,320 | 73,891 | ||||||
| 2025-08-20 | 2025-08-18 | 4 | McCombe William D. | CTKB | Common Stock | D | 4.0600 | -5,084 | -21 | 67,571 | ||||
| 2025-08-20 | 2025-08-18 | 4 | McCombe William D. | CTKB | Common Stock | D | 13,051 | 72,655 | ||||||
| 2025-08-20 | 2025-08-18 | 4 | McCombe William D. | CTKB | Common Stock | D | 4.0600 | -2,462 | -10 | 59,604 | ||||
| 2025-08-20 | 2025-08-18 | 4 | McCombe William D. | CTKB | Common Stock | D | 6,320 | 62,066 | ||||||
| 2025-06-03 | 2025-06-02 | 4 | McCombe William D. | CTKB | Common Stock | D | 2.7800 | 35,000 | 97 | 55,746 | ||||
| 2025-05-21 | 2025-05-19 | 4 | McCombe William D. | CTKB | Common Stock | D | 2.6900 | -3,389 | -9 | 20,746 | ||||
| 2025-05-21 | 2025-05-19 | 4 | McCombe William D. | CTKB | Common Stock | D | 8,700 | 24,135 | ||||||
| 2025-05-21 | 2025-05-19 | 4 | McCombe William D. | CTKB | Common Stock | D | 2.6900 | -9,848 | -26 | 15,435 | ||||
| 2025-05-21 | 2025-05-19 | 4 | McCombe William D. | CTKB | Common Stock | D | 25,283 | 25,283 |
