MUIR GLENN P
SEC insider (Form 3/4/5 filer). CIK 0001181190. Director at Cytek Biosciences, Inc. (CTKB) and 3 other issuers. 15 reported Form 4/5 transactions since Sep 2024; latest on Aug 18, 2026. Located in FREMONT, CA.
Companies MUIR GLENN P has filed insider reports for
- Cytek Biosciences, Inc. (CTKB): Director
- Neuronetics, Inc. (STIM): Director
- REPLIGEN CORP (RGEN): Director
- G1 Therapeutics, Inc. (GTHX): Director
MUIR GLENN P
CIK: 0001181190
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (15 total)
- Aug 18, 2026CTKB
Cytek Biosciences, Inc.
ExerciseDirect3.1K shares- - Jun 10, 2026CTKB
Cytek Biosciences, Inc.
AwardDirectDirector Stock Option (right to buy)
29.8K shares- - Jun 10, 2026CTKB
Cytek Biosciences, Inc.
AwardDirectRestricted Stock Units
55.6K shares- - May 28, 2026STIM
Neuronetics, Inc.
AwardDirect30K shares- - May 14, 2026RGEN
REPLIGEN CORP
AwardDirect995 shares- - May 7, 2026RGEN
REPLIGEN CORP
ExerciseDirect2.4K shares at avg. $38.76$94K - Dec 16, 2025RGEN
REPLIGEN CORP
ExerciseDirect3.4K shares at avg. $26.12$88K - Oct 20, 2025STIM
Neuronetics, Inc.
AwardDirect7.6K shares- - May 22, 2025STIM
Neuronetics, Inc.
AwardDirect30K shares- - May 15, 2025RGEN
REPLIGEN CORP
AwardDirect973 shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 18, 2026 |  CTKB Cytek Biosciences, Inc. | Exercise | 3,086 | - | $0 | Direct |
| Jun 10, 2026 | CTKB Cytek Biosciences, Inc. | Award Director Stock Option (right to buy) | 29,835 | - | - | Direct |
| Jun 10, 2026 | CTKB Cytek Biosciences, Inc. | Award Restricted Stock Units | 55,555 | - | - | Direct |
| May 28, 2026 |  STIM Neuronetics, Inc. | Award | 30,000 | - | $0 | Direct |
| May 14, 2026 |  RGEN REPLIGEN CORP | Award | 995 | - | $0 | Direct |
| May 7, 2026 | RGEN REPLIGEN CORP | Exercise | 2,434 | $38.76 | $94,342 | Direct |
| Dec 16, 2025 | RGEN REPLIGEN CORP | Exercise | 3,366 | $26.12 | $87,920 | Direct |
| Oct 20, 2025 | STIM Neuronetics, Inc. | Award | 7,554 | - | - | Direct |
| May 22, 2025 | STIM Neuronetics, Inc. | Award | 30,000 | - | - | Direct |
| May 15, 2025 | RGEN REPLIGEN CORP | Award | 973 | - | - | Direct |
1-10 of 15 transactions