Barnett Valerie
SEC insider (Form 3/4/5 filer). CIK 0001873091. CHIEF LEGAL OFFICER at Cytek Biosciences, Inc. (CTKB). 56 reported Form 4/5 transactions since Sep 2024; latest on May 18, 2026. Located in FREMONT, CA.
Companies Barnett Valerie has filed insider reports for
- Cytek Biosciences, Inc. (CTKB): Officer, CHIEF LEGAL OFFICER
Barnett Valerie
CIK: 0001873091
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Cytek Biosciences, Inc.
Discretionary Trading P&L
Holdings
Transaction History (56 total)
- May 18, 2026CTKB
Cytek Biosciences, Inc.
ExerciseDirect9.4K shares- - May 18, 2026CTKB
Cytek Biosciences, Inc.
ExerciseDirect7.3K shares- - May 18, 2026CTKB
Cytek Biosciences, Inc.
Tax PaymentDirect1.9K shares at avg. $3.55$7K - May 18, 2026CTKB
Cytek Biosciences, Inc.
Tax PaymentDirect2.6K shares at avg. $3.55$9K - May 18, 2026CTKB
Cytek Biosciences, Inc.
ExerciseDirect2.5K shares- - May 18, 2026CTKB
Cytek Biosciences, Inc.
Tax PaymentDirect3.4K shares at avg. $3.55$12K - May 18, 2026CTKB
Cytek Biosciences, Inc.
Tax PaymentDirect881 shares at avg. $3.55$3K - May 18, 2026CTKB
Cytek Biosciences, Inc.
ExerciseDirect5.2K shares- - Mar 10, 2026CTKB
Cytek Biosciences, Inc.
Tax PaymentDirect5.7K shares at avg. $4.23$24K - Mar 10, 2026CTKB
Cytek Biosciences, Inc.
ExerciseDirect14.5K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 18, 2026 | CTKB Cytek Biosciences, Inc. | Exercise | 9,435 | - | $0 | Direct |
| May 18, 2026 | CTKB Cytek Biosciences, Inc. | Exercise | 7,250 | - | $0 | Direct |
| May 18, 2026 | CTKB Cytek Biosciences, Inc. | Tax Payment | 1,850 | $3.55 | $6,568 | Direct |
| May 18, 2026 | CTKB Cytek Biosciences, Inc. | Tax Payment | 2,602 | $3.55 | $9,237 | Direct |
| May 18, 2026 | CTKB Cytek Biosciences, Inc. | Exercise | 2,454 | - | $0 | Direct |
| May 18, 2026 | CTKB Cytek Biosciences, Inc. | Tax Payment | 3,386 | $3.55 | $12,020 | Direct |
| May 18, 2026 | CTKB Cytek Biosciences, Inc. | Tax Payment | 881 | $3.55 | $3,128 | Direct |
| May 18, 2026 | CTKB Cytek Biosciences, Inc. | Exercise | 5,156 | - | $0 | Direct |
| Mar 10, 2026 | CTKB Cytek Biosciences, Inc. | Tax Payment | 5,740 | $4.23 | $24,280 | Direct |
| Mar 10, 2026 | CTKB Cytek Biosciences, Inc. | Exercise | 14,501 | - | $0 | Direct |
1-10 of 56 transactions