Form 4 filings across 1 company. Net figures count open-market buys and sales only. EDGAR profile ↗
Lifetime net: $0
Reported holding is the most recent post-transaction share count on a Table I row.
How quickly this filer reports. Section 16 allows two business days from the transaction.
All 7 filings we hold were filed within the two-business-day deadline.
Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings
The 74 most recent Form 4 transactions.
| Aug 18 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 22,100 | — | — | — | Open the original filing on SEC.gov |
| Aug 18 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 11,781 | — | — | — | Open the original filing on SEC.gov |
| Aug 18 | CTKB | Cytek Biosciences, Inc. | FTAX | 20,956 | $4.67 | $97.9K | -0.4% | Open the original filing on SEC.gov |
| Aug 18 | CTKB | Cytek Biosciences, Inc. | MEXER | 57,212 | — | — | +1.0% | Open the original filing on SEC.gov |
| Aug 18 | CTKB | Cytek Biosciences, Inc. | FTAX | 7,062 | $4.67 | $33K | -0.1% | Open the original filing on SEC.gov |
| Aug 18 | CTKB | Cytek Biosciences, Inc. | MEXER | 29,002 | — | — | +0.5% | Open the original filing on SEC.gov |
| Aug 18 | CTKB | Cytek Biosciences, Inc. | FTAX | 5,382 | $4.67 | $25.1K | -0.1% | Open the original filing on SEC.gov |
| Aug 18 | CTKB | Cytek Biosciences, Inc. | MEXER | 22,100 | — | — | +0.4% | Open the original filing on SEC.gov |
| Aug 18 | CTKB | Cytek Biosciences, Inc. | FTAX | 2,869 | $4.67 | $13.4K | <0.1% | Open the original filing on SEC.gov |
| Aug 18 | CTKB | Cytek Biosciences, Inc. | MEXER | 11,781 | — | — | +0.2% | Open the original filing on SEC.gov |
| May 18 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 38,141 | — | — | — | Open the original filing on SEC.gov |
| May 18 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 19,334 | — | — | — | Open the original filing on SEC.gov |
| May 18 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 14,733 | — | — | — | Open the original filing on SEC.gov |
| May 18 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 7,854 | — | — | — | Open the original filing on SEC.gov |
| May 18 | CTKB | Cytek Biosciences, Inc. | FTAX | 15,009 | $3.55 | $53.3K | -0.3% | Open the original filing on SEC.gov |
| May 18 | CTKB | Cytek Biosciences, Inc. | MEXER | 38,141 | — | — | +0.7% | Open the original filing on SEC.gov |
| May 18 | CTKB | Cytek Biosciences, Inc. | FTAX | 5,032 | $3.55 | $17.9K | <0.1% | Open the original filing on SEC.gov |
| May 18 | CTKB | Cytek Biosciences, Inc. | MEXER | 19,334 | — | — | +0.4% | Open the original filing on SEC.gov |
| May 18 | CTKB | Cytek Biosciences, Inc. | FTAX | 3,588 | $3.55 | $12.7K | <0.1% | Open the original filing on SEC.gov |
| May 18 | CTKB | Cytek Biosciences, Inc. | MEXER | 14,733 | — | — | +0.3% | Open the original filing on SEC.gov |
| May 18 | CTKB | Cytek Biosciences, Inc. | FTAX | 1,913 | $3.55 | $6.8K | <0.1% | Open the original filing on SEC.gov |
| May 18 | CTKB | Cytek Biosciences, Inc. | MEXER | 7,854 | — | — | +0.1% | Open the original filing on SEC.gov |
| Mar 10 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 38,669 | — | — | — | Open the original filing on SEC.gov |
| Mar 10 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 29,467 | — | — | — | Open the original filing on SEC.gov |
| Mar 10 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 15,708 | — | — | — | Open the original filing on SEC.gov |
| Mar 10 | CTKB | Cytek Biosciences, Inc. | AGRANT◆ | 915,407 | — | — | — | Open the original filing on SEC.gov |
| Mar 10 | CTKB | Cytek Biosciences, Inc. | AGRANT◆ | 485,545 | — | — | — | Open the original filing on SEC.gov |
| Mar 10 | CTKB | Cytek Biosciences, Inc. | FTAX | 9,416 | $4.23 | $39.8K | -0.2% | Open the original filing on SEC.gov |
| Mar 10 | CTKB | Cytek Biosciences, Inc. | MEXER | 38,669 | — | — | +0.7% | Open the original filing on SEC.gov |
| Mar 10 | CTKB | Cytek Biosciences, Inc. | FTAX | 7,747 | $4.23 | $32.8K | -0.1% | Open the original filing on SEC.gov |
| Mar 10 | CTKB | Cytek Biosciences, Inc. | MEXER | 29,467 | — | — | +0.5% | Open the original filing on SEC.gov |
| Mar 10 | CTKB | Cytek Biosciences, Inc. | FTAX | 3,825 | $4.23 | $16.2K | <0.1% | Open the original filing on SEC.gov |
| Mar 10 | CTKB | Cytek Biosciences, Inc. | MEXER | 15,708 | — | — | +0.3% | Open the original filing on SEC.gov |
| Feb 18 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 4,514 | — | — | — | Open the original filing on SEC.gov |
| Feb 18 | CTKB | Cytek Biosciences, Inc. | FTAX | 1,339 | $4.20 | $5.6K | <0.1% | Open the original filing on SEC.gov |
| Feb 18 | CTKB | Cytek Biosciences, Inc. | MEXER | 4,514 | — | — | +<0.1% | Open the original filing on SEC.gov |
| Nov 18, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 29,002 | — | — | — | Open the original filing on SEC.gov |
| Nov 18, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 22,100 | — | — | — | Open the original filing on SEC.gov |
| Nov 18, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 11,781 | — | — | — | Open the original filing on SEC.gov |
| Nov 18, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 6,758 | — | — | — | Open the original filing on SEC.gov |
| Nov 18, 2025 | CTKB | Cytek Biosciences, Inc. | FTAX | 11,413 | $5.53 | $63.1K | -0.2% | Open the original filing on SEC.gov |
| Nov 18, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER | 29,002 | — | — | +0.5% | Open the original filing on SEC.gov |
| Nov 18, 2025 | CTKB | Cytek Biosciences, Inc. | FTAX | 8,697 | $5.53 | $48.1K | -0.2% | Open the original filing on SEC.gov |
| Nov 18, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER | 22,100 | — | — | +0.4% | Open the original filing on SEC.gov |
| Nov 18, 2025 | CTKB | Cytek Biosciences, Inc. | FTAX | 4,636 | $5.53 | $25.6K | <0.1% | Open the original filing on SEC.gov |
| Nov 18, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER | 11,781 | — | — | +0.2% | Open the original filing on SEC.gov |
| Nov 18, 2025 | CTKB | Cytek Biosciences, Inc. | FTAX | 2,660 | $5.53 | $14.7K | <0.1% | Open the original filing on SEC.gov |
| Nov 18, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER | 6,758 | — | — | +0.1% | Open the original filing on SEC.gov |
| Aug 18, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 29,002 | — | — | — | Open the original filing on SEC.gov |
| Aug 18, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 22,100 | — | — | — | Open the original filing on SEC.gov |
| Aug 18, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 11,781 | — | — | — | Open the original filing on SEC.gov |
| Aug 18, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 6,758 | — | — | — | Open the original filing on SEC.gov |
| Aug 18, 2025 | CTKB | Cytek Biosciences, Inc. | FTAX | 7,062 | $4.06 | $28.7K | -0.1% | Open the original filing on SEC.gov |
| Aug 18, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER | 29,002 | — | — | +0.5% | Open the original filing on SEC.gov |
| Aug 18, 2025 | CTKB | Cytek Biosciences, Inc. | FTAX | 5,382 | $4.06 | $21.9K | -0.1% | Open the original filing on SEC.gov |
| Aug 18, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER | 22,100 | — | — | +0.4% | Open the original filing on SEC.gov |
| Aug 18, 2025 | CTKB | Cytek Biosciences, Inc. | FTAX | 2,869 | $4.06 | $11.6K | <0.1% | Open the original filing on SEC.gov |
| Aug 18, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER | 11,781 | — | — | +0.2% | Open the original filing on SEC.gov |
| Aug 18, 2025 | CTKB | Cytek Biosciences, Inc. | FTAX | 1,646 | $4.06 | $6.7K | <0.1% | Open the original filing on SEC.gov |
| Aug 18, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER | 6,758 | — | — | +0.1% | Open the original filing on SEC.gov |
| May 19, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 19,334 | — | — | — | Open the original filing on SEC.gov |
| May 19, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 14,733 | — | — | — | Open the original filing on SEC.gov |
| May 19, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 7,854 | — | — | — | Open the original filing on SEC.gov |
| May 19, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER◆ | 6,758 | — | — | — | Open the original filing on SEC.gov |
| May 19, 2025 | CTKB | Cytek Biosciences, Inc. | FTAX | 4,708 | $2.69 | $12.7K | <0.1% | Open the original filing on SEC.gov |
| May 19, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER | 19,334 | — | — | +0.4% | Open the original filing on SEC.gov |
| May 19, 2025 | CTKB | Cytek Biosciences, Inc. | FTAX | 3,588 | $2.69 | $9.7K | <0.1% | Open the original filing on SEC.gov |
| May 19, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER | 14,733 | — | — | +0.3% | Open the original filing on SEC.gov |
| May 19, 2025 | CTKB | Cytek Biosciences, Inc. | FTAX | 1,913 | $2.69 | $5.1K | <0.1% | Open the original filing on SEC.gov |
| May 19, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER | 7,854 | — | — | +0.1% | Open the original filing on SEC.gov |
| May 19, 2025 | CTKB | Cytek Biosciences, Inc. | FTAX | 1,646 | $2.69 | $4.4K | <0.1% | Open the original filing on SEC.gov |
| May 19, 2025 | CTKB | Cytek Biosciences, Inc. | MEXER | 6,758 | — | — | +0.1% | Open the original filing on SEC.gov |