McCombe William D.'s Form 4 filing
Cytek Biosciences, Inc. (CTKB) · filed Aug 20, 2026
- Accession no.
- 0001878824-26-000004
- Filed
- Aug 20, 2026, 4:34 PM ET
- Trade date
- Aug 18, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Not checked
This filing lists 6 non-derivative transactions and 3 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 |
|---|---|
| McCombe William D.CIK 0001878824 | Officer (Chief Financial 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 | +6,320 | – | – | 117,497 | Direct | |
| Aug 18, 2026 | Common Stock | FTax withholdingDisposed | −2,111 | $4.67 | −$9,858.37 | 115,386 | Direct | |
| Aug 18, 2026 | Common Stock | MOption exerciseAcquired | +13,051 | – | – | 128,437 | Direct | |
| Aug 18, 2026 | Common Stock | FTax withholdingDisposed | −4,392 | $4.67 | −$20,510.64 | 124,045 | Direct | |
| Aug 18, 2026 | Common Stock | MOption exerciseAcquired | +16,049 | – | – | 140,094 | Direct | |
| Aug 18, 2026 | Common Stock | FTax withholdingDisposed | −5,401 | $4.67 | −$25,222.67 | 134,693 | 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 | −6,320 | $0.00 | $0 | 44,249 | Direct | |
| Aug 18, 2026 | Common Stock | MOption exerciseDisposed | −13,051 | $0.00 | $0 | 134,862 | Direct | |
| Aug 18, 2026 | Common Stock | MOption exerciseDisposed | −16,049 | $0.00 | $0 | 230,042 | 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.