Yan Ming's Form 4 filing
Cytek Biosciences, Inc. (CTKB) · filed Aug 20, 2026
- Accession no.
- 0001874041-26-000009
- Filed
- Aug 20, 2026, 4:22 PM ET
- Trade date
- Aug 18, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Not checked
This filing lists 8 non-derivative transactions and 4 derivative transactions. It was filed 2 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Yan MingCIK 0001874041 | Director, Officer (CHIEF TECHNOLOGY OFFICER) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 18, 2026 | Common Stock | MOption exerciseAcquired | +7,363 | – | – | 4,804,051 | Direct | |
| Aug 18, 2026 | Common Stock | FTax withholdingDisposed | −1,778 | $4.67 | −$8,303.26 | 4,802,273 | Direct | |
| Aug 18, 2026 | Common Stock | MOption exerciseAcquired | +5,525 | – | – | 4,807,798 | Direct | |
| Aug 18, 2026 | Common Stock | FTax withholdingDisposed | −1,346 | $4.67 | −$6,285.82 | 4,806,452 | Direct | |
| Aug 18, 2026 | Common Stock | MOption exerciseAcquired | +6,162 | – | – | 4,812,614 | Direct | |
| Aug 18, 2026 | Common Stock | FTax withholdingDisposed | −1,501 | $4.67 | −$7,009.67 | 4,811,113 | Direct | |
| Aug 18, 2026 | Common Stock | MOption exerciseAcquired | +14,220 | – | – | 4,825,333 | Direct | |
| Aug 18, 2026 | Common Stock | FTax withholdingDisposed | −3,463 | $4.67 | −$16,172.21 | 4,821,870 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 18, 2026 | Common Stock | MOption exerciseDisposed | −7,363 | $0.00 | $0 | 17,189 | Direct | |
| Aug 18, 2026 | Common Stock | MOption exerciseDisposed | −5,525 | $0.00 | $0 | 34,995 | Direct | |
| Aug 18, 2026 | Common Stock | MOption exerciseDisposed | −6,162 | $0.00 | $0 | 63,688 | Direct | |
| Aug 18, 2026 | Common Stock | MOption exerciseDisposed | −14,220 | $0.00 | $0 | 203,835 | Direct |
Footnotes
Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.