MUIR GLENN P has filed 20 insider transactions across 2 companies since May 2023.
Most recent transaction: a option exercise of 3366 shares of REPLIGEN CORP ($RGEN) on December 16, 2025.
Activity breakdown: 5 open-market purchases and 0 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 16, 2025 | REPLIGEN CORP | $RGEN | MUIR GLENN P | Not found | M | Stock Option (Right to Buy) | 3366 | $0.00 | 3,366.0000 | 56,290,749 | 9999.99% | 0.01% |
| Dec. 16, 2025 | REPLIGEN CORP | $RGEN | MUIR GLENN P | Not found | M | Common Stock | 3366 | $26.12 | 36,622.0000 | 56,290,749 | 10.12% | 0.01% |
| Oct. 20, 2025 | Neuronetics, Inc. | $STIM | MUIR GLENN P | Not found | A | Common Stock | 7554 | $0.00 | 371,816.0000 | 67,309,000 | 2.07% | 0.01% |
| May 22, 2025 | Neuronetics, Inc. | $STIM | MUIR GLENN P | Not found | A | Common Stock | 30000 | $0.00 | 364,262.0000 | 61,465,000 | 8.97% | 0.05% |
| May 15, 2025 | REPLIGEN CORP | $RGEN | MUIR GLENN P | Not found | A | Common Stock | 973 | $0.00 | 33,256.0000 | 56,148,556 | 3.01% | 0.00% |
| May 15, 2025 | REPLIGEN CORP | $RGEN | MUIR GLENN P | Not found | A | Stock Option (Right to Buy) | 1800 | $0.00 | 1,800.0000 | 56,148,556 | 9999.99% | 0.00% |
| Feb. 7, 2025 | Neuronetics, Inc. | $STIM | MUIR GLENN P | Not found | J | Common Stock | 44444 | $2.25 | 334,262.0000 | 31,734,000 | 15.34% | 0.14% |
| Nov. 19, 2024 | REPLIGEN CORP | $RGEN | MUIR GLENN P | Not found | M | Common Stock | 19000 | $36.29 | 32,283.0000 | 0 | 143.04% | 0.00% |
| Nov. 19, 2024 | REPLIGEN CORP | $RGEN | MUIR GLENN P | Not found | M | Stock Option (Right to Buy) | 19000 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Sept. 5, 2024 | Neuronetics, Inc. | $STIM | MUIR GLENN P | Not found | P | Common Stock | 25000 | $0.80 | 289,818.0000 | 30,052,000 | 9.44% | 0.08% |
| Aug. 29, 2024 | Neuronetics, Inc. | $STIM | MUIR GLENN P | Not found | P | Common Stock | 12224 | $0.85 | 264,818.0000 | 30,052,000 | 4.84% | 0.04% |
| Aug. 28, 2024 | Neuronetics, Inc. | $STIM | MUIR GLENN P | Not found | P | Common Stock | 12776 | $0.85 | 252,594.0000 | 30,052,000 | 5.33% | 0.04% |
| Aug. 20, 2024 | Neuronetics, Inc. | $STIM | MUIR GLENN P | Not found | P | Common Stock | 25000 | $1.00 | 239,818.0000 | 30,052,000 | 11.64% | 0.08% |
| Aug. 14, 2024 | Neuronetics, Inc. | $STIM | MUIR GLENN P | Not found | P | Common Stock | 25171 | $0.75 | 214,818.0000 | 30,052,000 | 13.27% | 0.08% |
| Aug. 1, 2024 | REPLIGEN CORP | $RGEN | MUIR GLENN P | Not found | M | Common Stock | 5000 | $36.29 | 13,283.0000 | 0 | 60.36% | 0.00% |
| Aug. 1, 2024 | REPLIGEN CORP | $RGEN | MUIR GLENN P | Not found | M | Stock Option (Right to Buy) | 5000 | $0.00 | 0.0000 | 0 | 0.00% | 0.00% |
| May 30, 2024 | Neuronetics, Inc. | $STIM | MUIR GLENN P | Not found | A | Common Stock | 25000 | $0.00 | 189,647.0000 | 29,472,000 | 15.18% | 0.08% |
| May 16, 2024 | REPLIGEN CORP | $RGEN | MUIR GLENN P | Not found | A | Common Stock | 701 | $0.00 | 8,283.0000 | 0 | 9.25% | 0.00% |
| May 16, 2024 | REPLIGEN CORP | $RGEN | MUIR GLENN P | Not found | A | Stock Option (Right to Buy) | 1376 | $0.00 | 1,376.0000 | 0 | 9999.99% | 0.00% |
| May 25, 2023 | Neuronetics, Inc. | $STIM | MUIR GLENN P | Director | A | Common Stock | 36364 | $0.00 | 164,647.0000 | 28,034,000 | 28.35% | 0.13% |