Cytek Biosciences, Inc. · NASDAQ:CTKB
McCombe William D. exercised options for 35,420 Cytek Biosciences, Inc. shares (Form 4)
Traded Aug 18, 2026 · Filed Aug 20, 2026
On Aug 18, 2026, McCombe William D. (Chief Financial Officer) exercised options for 35,420 Cytek Biosciences, Inc. shares, leaving 134,693 shares. Filed Aug 20, 2026 (Form 4).
- Options exercised
- 35,420 shares
- Holding after
- 134,693 shares
- Trading plan
- No
- Role
- Chief Financial Officer
The filing in full
| Date | Security | Transaction | Shares | Price | Holding after | Ownership |
|---|---|---|---|---|---|---|
| Aug 18, 2026 | Common Stock | Option exercise | 6,320 | 117,497 | Direct | |
| Aug 18, 2026 | Common Stock | Shares withheld for tax | 2,111 | US$4.67 | 115,386 | Direct |
| Aug 18, 2026 | Common Stock | Option exercise | 13,051 | 128,437 | Direct | |
| Aug 18, 2026 | Common Stock | Shares withheld for tax | 4,392 | US$4.67 | 124,045 | Direct |
| Aug 18, 2026 | Common Stock | Option exercise | 16,049 | 140,094 | Direct | |
| Aug 18, 2026 | Common Stock | Shares withheld for tax | 5,401 | US$4.67 | 134,693 | Direct |