Chin Richard
SEC insider (Form 3/4/5 filer). CIK 0001337252. Director at Cytek Biosciences, Inc. (CTKB). 9 reported Form 4/5 transactions since Sep 2024; latest on Aug 18, 2026. Located in FREMONT, CA.
Companies Chin Richard has filed insider reports for
- Cytek Biosciences, Inc. (CTKB): Director
Chin Richard
CIK: 0001337252
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 (9 total)
- Aug 18, 2026CTKB
Cytek Biosciences, Inc.
ExerciseDirect6.1K shares- - Jun 10, 2026CTKB
Cytek Biosciences, Inc.
AwardDirectRestricted Stock Units
33.3K shares- - Jun 10, 2026CTKB
Cytek Biosciences, Inc.
AwardDirectDirector Stock Option (right to buy)
18.3K shares- - May 18, 2026CTKB
Cytek Biosciences, Inc.
ExerciseDirect6.1K shares- - Mar 10, 2026CTKB
Cytek Biosciences, Inc.
ExerciseDirect6.1K shares- - Nov 18, 2025CTKB
Cytek Biosciences, Inc.
ExerciseDirect6.1K shares- - Aug 18, 2025CTKB
Cytek Biosciences, Inc.
ExerciseDirect4.1K shares- - Jun 18, 2025CTKB
Cytek Biosciences, Inc.
AwardDirectRestricted Stock Units
73.3K shares- - Jun 18, 2025CTKB
Cytek Biosciences, Inc.
AwardDirectDirector Stock Option (right to buy)
39.1K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 18, 2026 | CTKB Cytek Biosciences, Inc. | Exercise | 6,107 | - | $0 | Direct |
| Jun 10, 2026 | CTKB Cytek Biosciences, Inc. | Award Restricted Stock Units | 33,333 | - | - | Direct |
| Jun 10, 2026 | CTKB Cytek Biosciences, Inc. | Award Director Stock Option (right to buy) | 18,261 | - | - | Direct |
| May 18, 2026 | CTKB Cytek Biosciences, Inc. | Exercise | 6,107 | - | $0 | Direct |
| Mar 10, 2026 | CTKB Cytek Biosciences, Inc. | Exercise | 6,107 | - | $0 | Direct |
| Nov 18, 2025 | CTKB Cytek Biosciences, Inc. | Exercise | 6,107 | - | - | Direct |
| Aug 18, 2025 | CTKB Cytek Biosciences, Inc. | Exercise | 4,071 | - | - | Direct |
| Jun 18, 2025 | CTKB Cytek Biosciences, Inc. | Award Restricted Stock Units | 73,289 | - | - | Direct |
| Jun 18, 2025 | CTKB Cytek Biosciences, Inc. | Award Director Stock Option (right to buy) | 39,062 | - | - | Direct |
1-9 of 9 transactions