Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 3 boards, counting each seat separately. Longest: Repligen Corporation, 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Cytek Biosciences Inc. June 10, 202693.1%
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Neuronetics Inc. May 28, 202670.9%
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Repligen Corporation May 14, 202674.4%
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Neuronetics Inc. May 22, 202598.1%
-
Repligen Corporation May 15, 202594.7%
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Neuronetics Inc. May 30, 202499.8%
-
Repligen Corporation May 16, 202497.6%
-
Neuronetics Inc. May 25, 202378.5%
-
Repligen Corporation May 18, 202398.5%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 18, 2026 | Cytek Biosciences Inc. | Option exercise | +3,086 | — | — |
| May 28, 2026 | Neuronetics Inc. | Grant or award | +30,000 | — | — |
| May 14, 2026 | Repligen Corporation | Grant or award | +995 | — | — |
| May 7, 2026 | Repligen Corporation | Option exercise | +2,434 | $38.76 | $94,342 |
| Dec 16, 2025 | Repligen Corporation | Option exercise | +3,366 | $26.12 | $87,920 |
| Oct 20, 2025 | Neuronetics Inc. | Grant or award | +7,554 | — | — |
| May 22, 2025 | Neuronetics Inc. | Grant or award | +30,000 | — | — |
| May 15, 2025 | Repligen Corporation | Grant or award | +973 | — | — |
| Feb 7, 2025 | Neuronetics Inc. | Other | +44,444 | $2.25 | $99,999 |
| Nov 19, 2024 | Repligen Corporation | Option exercise | +19,000 | $36.29 | $689,510 |
| Sep 5, 2024 | Neuronetics Inc. | Open-market purchase | +25,000 | $0.80 | $20,000 |
| Aug 29, 2024 | Neuronetics Inc. | Open-market purchase | +12,224 | $0.85 | $10,390 |
| Aug 28, 2024 | Neuronetics Inc. | Open-market purchase | +12,776 | $0.85 | $10,860 |
| Aug 20, 2024 | Neuronetics Inc. | Open-market purchase | +25,000 | $1.00 | $25,000 |
| Aug 14, 2024 | Neuronetics Inc. | Open-market purchase | +25,171 | $0.75 | $18,878 |
Questions about Glenn P. Muir
What boards is Glenn P. Muir on?
Glenn P. Muir sits on the boards of Cytek Biosciences Inc., Neuronetics Inc. and Repligen Corporation.
How long has Glenn P. Muir served on boards?
Our records show at least 7 years of board service across 3 boards, the earliest from 2023.
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