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CTKB Exercise Disclosure
Mccombe William D. · SEC Form 4 · Filed Aug 20, 2026
Exercise
Calculated transaction value
$0
Mccombe William D. Chief Financial Officer
CTKB
Cytek Biosciences
CTKB
Transaction date
Aug 18, 2026
Public filing date
Aug 20, 2026
Filing lag
Filed 2 days later
CTKB daily price context
Close on/before transaction
$4.67
Aug 18, 2026
First close after public filing
--
Unavailable
30-day return after filing
--
Through Unavailable
Source details
- Reported owner
- Not disclosed
- Source asset code
- Derivative
- Security
- Restricted Stock Units on Common Stock
- Quantity / price
- 6,320 shares @ $0
- SEC ownership
- Direct
- Transaction code
- M
- Form
- 4
- Filing identifier
- 0001878824-26-000004
Filing cohort
Transactions in this filing
Showing 9 of 9
Trades
9
Issuers
1
Estimated value
$55.59K
Buys / sales
0 / 0
| Issuer | Transaction | Traded | Value |
|---|---|---|---|
| Cytek Biosciences, Inc. CTKB | Disposition | Aug 18, 2026 | $9.86K |
| Cytek Biosciences, Inc. CTKB | Exercise | Aug 18, 2026 | Not reported |
| Cytek Biosciences, Inc. CTKB | Exercise | Aug 18, 2026 | $0 |
| Cytek Biosciences, Inc. CTKB | Disposition | Aug 18, 2026 | $20.51K |
| Cytek Biosciences, Inc. CTKB | Disposition | Aug 18, 2026 | $25.22K |
| Cytek Biosciences, Inc. CTKB Current | Exercise | Aug 18, 2026 | $0 |
| Cytek Biosciences, Inc. CTKB | Exercise | Aug 18, 2026 | Not reported |
| Cytek Biosciences, Inc. CTKB | Exercise | Aug 18, 2026 | Not reported |
| Cytek Biosciences, Inc. CTKB | Exercise | Aug 18, 2026 | $0 |