Merus N.V. (MRUS) has 35 open-market insider trades by 15 insiders since 2020. The most active filer is Harry Shuman, VP & Controller.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| A/s Genmab | 10% Owner | — | 4 | $234.9M | 2025-12-29 |
| BVF I GP LLC | 10% Owner | — | 3 | $157.7M | 2021-10-08 |
| BVF Partners OS Ltd. | 10% Owner | — | 1 | $33.3M | 2021-01-21 |
| Biotechnology VALUE FUND II L.P. | 10% Owner | — | 2 | $23.0M | 2020-06-01 |
| Mark N. Lampert | 10% Owner | — | 2 | $14.3M | 2021-03-30 |
| Biotechnology Value Trading Fund OS LP via Matthew D. Perry | 10% Owner | — | 1 | $9.0M | 2020-01-16 |
| Biotechnology VALUE FUND L P | 10% Owner | — | 2 | $7.8M | 2020-12-18 |
| BVF Inc/il | 10% Owner | — | 1 | $4.2M | 2020-09-10 |
| BVF GP Holdings LLC | 10% Owner | — | 1 | $3.4M | 2020-09-15 |
| Harry Shuman | VPController | — | 10 | $2.2M | 2025-12-12 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| A/s Genmab | 10% Owner | Buy | $102.4M | 2025-12-26 |
| A/s Genmab | 10% Owner | Buy | $79.1M | 2025-12-22 |
| A/s Genmab | 10% Owner | Buy | $27.0M | 2025-12-18 |
| A/s Genmab | 10% Owner | Buy | $26.3M | 2025-12-16 |
| Harry Shuman | VP & Controller | Sell | $163K | 2025-11-26 |
| Harry Shuman | VP & Controller | Sell | $796K | 2025-11-25 |
Companies that share insiders with MRUS, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Peter B. Silverman | COO | Sell | $1.5M | 2025-07-17 |
| Peter B. Silverman | COO | Sell | $1.3M | 2025-07-09 |
| Peter B. Silverman | COO | Sell | $1.8M | 2025-06-20 |
| Harry Shuman | VP & Controller | Sell | $194K | 2025-03-21 |
| Harry Shuman | VP & Controller | Sell | $270K | 2024-08-20 |
| Peter B. Silverman | COO | Sell | $600K | 2024-06-27 |
| Peter B. Silverman | COO | Sell | $3.5M | 2024-06-17 |
| Harry Shuman | VP & Controller | Sell | $475K | 2024-06-10 |
| Harry Shuman | VP & Controller | Sell | $317K | 2024-06-04 |