MRUSUnknownMid-Cap
Merus N.V. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Merus N.V. (MRUS), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are MRUS insiders buying or selling?
In the last 12 months, Merus N.V. insiders reported 3 open-market purchases ($132.4M) and 3 sales ($7.3B) — net selling of $7.1B. Since January 2020, Trabud has recorded 52 Form 4 filings for MRUS: 19 buys ($203.5M) and 33 sells ($7.3B).
Source: SEC EDGAR Form 4
Key Statistics (January 2020 – Dec 30, 2025)
Total Form 4 filings
52
SEC EDGAR
Insider filers
8
Insider buys (19)
$203.5M
Insider sells (33)
$7.3B
Insider sentiment
Net sellingNet insider flow of $7.1B in net selling since January 2020, and $7.1B in net selling over the last 12 months.
Recent MRUS insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Dec 30, 2025 | GENMAB A/S | 10% Owner | Sale | 74.8M | $97.00 | $7.3B | SEC ↗ |
| Dec 29, 2025 | GENMAB A/S | 10% Owner | Purchase | 815.4K | $97.00 | $79.1M | SEC ↗ |
| Dec 22, 2025 | GENMAB A/S | 10% Owner | Purchase | 278.4K | $97.00 | $27.0M | SEC ↗ |
| Dec 18, 2025 | GENMAB A/S | 10% Owner | Purchase | 271.5K | $97.00 | $26.3M | SEC ↗ |
| Dec 10, 2025 | Harry Shuman | VP Controller, PAO | Sale | 1.7K | $96.10 | $163.4K | SEC ↗ |
| Nov 28, 2025 | Harry Shuman | VP Controller, PAO | Sale | 8.3K | $95.92 | $796.1K | SEC ↗ |
| Jul 18, 2025 | Peter B. Silverman | COO & GC | Sale | 25.0K | $60.00 | $1.5M | SEC ↗ |
| Jul 11, 2025 | Peter B. Silverman | COO & GC | Sale | 23.5K | $55.00 | $1.3M | SEC ↗ |
| Jun 24, 2025 | Peter B. Silverman | COO & GC | Sale | 34.0K | $52.76 | $1.8M | SEC ↗ |
| Mar 25, 2025 | Harry Shuman | VP Controller, PAO | Sale | 4.0K | $48.50 | $194.0K | SEC ↗ |
| Aug 22, 2024 | Harry Shuman | VP Controller, PAO | Sale | 5.0K | $54.00 | $270.0K | SEC ↗ |
| Jun 28, 2024 | Peter B. Silverman | COO & GC | Sale | 10.0K | $60.00 | $600.0K | SEC ↗ |
| Jun 20, 2024 | Peter B. Silverman | COO & GC | Sale | 62.0K | $56.52 | $3.5M | SEC ↗ |
| Jun 12, 2024 | Harry Shuman | VP Controller, PAO | Sale | 8.3K | $57.28 | $475.5K | SEC ↗ |
| Jun 6, 2024 | Harry Shuman | VP Controller, PAO | Sale | 6.0K | $52.89 | $317.4K | SEC ↗ |
| Dec 20, 2023 | Harry Shuman | VP Controller, PAO | Sale | 115 | $26.68 | $3.1K | SEC ↗ |
| Dec 18, 2023 | Peter B. Silverman | COO & GC | Sale | 22.4K | $25.00 | $559.6K | SEC ↗ |
| Dec 12, 2023 | Harry Shuman | VP Controller, PAO | Sale | 250 | $24.44 | $6.1K | SEC ↗ |
| Dec 4, 2023 | Harry Shuman | VP Controller, PAO | Sale | 575 | $24.58 | $14.1K | SEC ↗ |
| Jun 1, 2023 | Harry Shuman | VP Controller, PAO | Sale | 575 | $21.48 | $12.4K | SEC ↗ |
| Dec 14, 2022 | Harry Shuman | VP Controller, PAO | Sale | 168 | $13.85 | $2.3K | SEC ↗ |
| Dec 1, 2022 | Harry Shuman | VP Controller, PAO | Sale | 575 | $15.35 | $8.8K | SEC ↗ |
| Nov 3, 2022 | Sven Ante Lundberg | President, CEO & PFO | Purchase | 14.7K | $14.38 | $211.4K | SEC ↗ |
| Aug 29, 2022 | Harry Shuman | VP Controller, PAO | Sale | 165 | $24.33 | $4.0K | SEC ↗ |
| Aug 23, 2022 | Sven Ante Lundberg | President, CEO & PFO | Purchase | 5.8K | $22.92 | $133.6K | SEC ↗ |
Showing the 25 most recent of 52 Form 4 filings for Merus N.V..
Most active MRUS insiders
- Harry Shuman14 filings
- Mark N Lampert14 filings
- Peter B. Silverman7 filings
- Mark Throsby6 filings
- GENMAB A/S4 filings
Ask anything about MRUS insider activity
Use Trabud's AI agent to query Merus N.V.'s Form 4 history in plain English — "Show me MRUS CEO purchases this year" or compare it against any other ticker.
Open the AI agentMRUS insider trading FAQ
Are Merus N.V. insiders buying or selling?
In the last 12 months, Merus N.V. insiders reported 3 open-market purchases ($132.4M) and 3 sales ($7.3B) — net selling of $7.1B. Since January 2020, Trabud has recorded 52 Form 4 filings for MRUS: 19 buys ($203.5M) and 33 sells ($7.3B). Over the full record that is net selling of $7.1B.
How many insiders trade MRUS stock?
8 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Merus N.V.. The most recent filing was accepted on Dec 30, 2025.
Where does Trabud get MRUS insider trading data?
All MRUS insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.