| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
MRSN sits in the Biotechnology industry within the Health Care sector, so this activity is best read against the sector's broader insider trend.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| Dir | 0 | - | - | |
| Dir | 0 | - | - | |
| VP | 0 | - | - | |
| CEO | 0 | - | - | |
| VP | 0 | - | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|
| Oct 27, 2025 | Bala Mohan | SVP, Chief Development Officer | Sale+OE10b5-1 | 77 | $9.90 | $762.30 | -2.6% | |
| Sep 12, 2025 | Huber Martin H. Jr. | President, CEO | Sale+OE10b5-1 | 2,012 | $7.31 | $14,707.72 | -17.4% | |
| Jan 16, 2025 | Deschuytner Brian | SVP, COO &CFO | Sale+OE10b5-1 | 8,470 | $0.58 | $4,912.60 | -6.5% | |
| Jan 16, 2025 | Mandelia Ashish | VP, Chief Accounting Officer | Sale+OE10b5-1 | 3,554 | $0.58 | $2,061.32 | -5.8% | |
| Jan 16, 2025 | Protopapas Anna | Director | Sale+OE10b5-1 | 8,637 | $0.58 | $5,009.46 | -4.9% | |
| Jan 16, 2025 | Lowinger Timothy B | SVP, Chief Sci.&Tech. Officer | Sale+OE10b5-1 | 8,048 | $0.58 | $4,667.84 | -3.0% | |
| Jan 16, 2025 | Huber Martin H. Jr. | President, CEO | Sale+OE10b5-1 | 4,514 | $0.58 | $2,618.12 | -3.5% | |
| Jan 16, 2025 | Bala Mohan | SVP, Chief Development Officer | Sale+OE10b5-1 | 5,939 | $0.58 | $3,444.62 | -7.9% | |
| Jan 16, 2025 | Carvajal Alejandra | SVP, Chief Legal Officer | Sale+OE10b5-1 | 5,096 | $0.58 | $2,955.68 | -6.1% | |
| Jan 15, 2025 | Protopapas Anna | Director | Sale+OE10b5-1 | 6,191 | $0.63 | $3,900.33 | -3.8% |