5 insiders reported 58 Form 4 transactions for Merus N.V. (MRUS) over the past 18 months (most recent 2025-12-30). Recent activity: GENMAB A/S (Insider) Buy 2,978 shares, GENMAB A/S (Insider) Buy 1.1M shares, GENMAB A/S (Insider) Sell 75.9M shares, GENMAB A/S (Insider) Buy 15,710 shares, GENMAB A/S (Insider) Buy 561,042 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-12-30 | GENMAB A/S | Insider | Buy | 2,978 | $288,866 |
| 2025-12-30 | GENMAB A/S | Insider | Buy | 1.1M | $102.1M |
| 2025-12-30 | GENMAB A/S | Insider | Sell | 75.9M | $7.36B |
| 2025-12-29 | GENMAB A/S | Insider | Buy | 15,710 | $1.5M |
| 2025-12-29 | GENMAB A/S | Insider | Buy | 561,042 | $54.4M |
| 2025-12-29 | GENMAB A/S | Insider | Buy | 96,082 | $9.3M |
| 2025-12-29 | GENMAB A/S | Insider | Buy | 142,610 | $13.8M |
| 2025-12-22 | GENMAB A/S | Insider | Buy | 212,177 | $20.6M |
| 2025-12-22 | GENMAB A/S | Insider | Buy | 66,264 | $6.4M |
| 2025-12-18 | GENMAB A/S | Insider | Buy | 120,752 | $11.7M |
| 2025-12-18 | GENMAB A/S | Insider | Buy | 150,795 | $14.6M |
| 2025-12-12 | Lundberg Sven Ante | President, CEO & PEO | Sell | 30,297 | $2.9M |
| 2025-12-12 | Lundberg Sven Ante | President, CEO & PEO | Sell | 16,372 | $1.6M |
| 2025-12-12 | Lundberg Sven Ante | President, CEO & PEO | Sell | 9,191 | $891,527 |
| 2025-12-12 | Lundberg Sven Ante | President, CEO & PEO | Sell | 9,191 | $891,527 |
| 2025-12-12 | Lundberg Sven Ante | President, CEO & PEO | Sell | 9,192 | $891,624 |
| 2025-12-12 | Lundberg Sven Ante | President, CEO & PEO | Sell | 9,192 | $891,624 |
| 2025-12-12 | Shuman Harry | VP Controller, PAO | Sell | 11,002 | $1.1M |
| 2025-12-12 | Iwicki Mark T | Director | Sell | 73,576 | $7.1M |
| 2025-12-10 | Shuman Harry | VP Controller, PAO | Sell | 1,700 | $163,370 |
| 2025-12-10 | Shuman Harry | VP Controller, PAO | Buy | 900 | $21,987 |
| 2025-12-10 | Shuman Harry | VP Controller, PAO | Buy | 800 | $14,888 |
| 2025-11-28 | Shuman Harry | VP Controller, PAO | Buy | 800 | $0 |
| 2025-11-28 | Shuman Harry | VP Controller, PAO | Buy | 1,000 | $0 |
| 2025-11-28 | Shuman Harry | VP Controller, PAO | Buy | 1,800 | $0 |
Source: SEC Form 4 filings · as of 2025-12-30
