Insider txns (12m)
11
Stock / equity
MRUS Merus N.V.
- Company
- Merus N.V.
- Security
- Equity
- Insiders on record
- 1
- Latest trade on record
- December 29, 2025
MRUS (Merus N.V.) has 11 disclosed insider transactions from 1 insider in the last 12 months (11 open-market buys, 0 sales, about $7.59B at reported prices) and 0 congressional trades from 0 members of Congress. The most recent disclosure was filed December 30, 2025.
Open-market buys / sales
11 / 0
Congress trades (12m)
0
Distinct filers (12m)
1
Share price
Price and chart by TradingView for Merus N.V.. US share prices here are delayed, not real-time. The trade records on this page come from government filings, not from this chart.
MRUS in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
BoughtSold
1 person accounts for the disclosed buying and selling in MRUS over the last 12 months; the most active is GENMAB A/S with $7.6B.
Prices insiders traded at
What price did insiders buy and sell at? Each marker is one open-market trade at the share price reported on its Form 4.
▲ Bought▼ SoldAverage reported price that day
Insiders reported 11 open-market trades in MRUS since Dec 16, 2025, at prices from $97.00 to $97.00; the most recent was a purchase at $97.00 on Dec 29, 2025. These are the prices on the filings, not adjusted for stock splits, and not a market price series.
Insider holdings over time
Is an insider building or unwinding a position? Shares held directly after each filing.
GENMAB A/S
GENMAB A/S reported 0 shares held after the latest filing, against 71,734,624 at the first on record.
Insiders trading MRUS
Everyone who filed a Form 4 for this ticker, by number of rows on record. "Bought" and "sold" count open-market purchases (code P) and sales only; awards, option exercises and shares withheld for tax are in the row count but not in those two columns.
| Insider | Role | Rows | Bought | Sold | Value bought | Value sold | Latest |
|---|---|---|---|---|---|---|---|
| GENMAB A/S | Insider | 11 | 11 | 0 | $7.59B | — | December 29, 2025 |
Insider transactions
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| GENMAB A/S | Buy P | December 29, 2025 | December 30, 2025 | 1d | 75,867,199 | $97 | $7.36B | indirect | Form 4 ↗ | |
| GENMAB A/S | Buy P | December 29, 2025 | December 30, 2025 | 1d | 1,052,806 | $97 | $102.1M | indirect | Form 4 ↗ | |
| GENMAB A/S | Buy P | December 26, 2025 | December 30, 2025 | 4d | 2,978 | $97 | $289K | indirect | Form 4 ↗ | |
| GENMAB A/S | Buy P | December 26, 2025 | December 29, 2025 | 3d | 142,610 | $97 | $13.8M | indirect | Form 4 ↗ | |
| GENMAB A/S | Buy P | December 24, 2025 | December 29, 2025 | 5d | 96,082 | $97 | $9.3M | lateindirect | Form 4 ↗ | |
| GENMAB A/S | Buy P | December 23, 2025 | December 29, 2025 | 6d | 561,042 | $97 | $54.4M | lateindirect | Form 4 ↗ | |
| GENMAB A/S | Buy P | December 22, 2025 | December 29, 2025 | 7d | 15,710 | $97 | $1.5M | lateindirect | Form 4 ↗ | |
| GENMAB A/S | Buy P | December 19, 2025 | December 22, 2025 | 3d | 66,264 | $97 | $6.4M | indirect | Form 4 ↗ | |
| GENMAB A/S | Buy P | December 18, 2025 | December 22, 2025 | 4d | 212,177 | $97 | $20.6M | indirect | Form 4 ↗ | |
| GENMAB A/S | Buy P | December 17, 2025 | December 18, 2025 | 1d | 150,795 | $97 | $14.6M | indirect | Form 4 ↗ | |
| GENMAB A/S | Buy P | December 16, 2025 | December 18, 2025 | 2d | 120,752 | $97 | $11.7M | indirect | Form 4 ↗ |
Congressional trades
No member of Congress has disclosed a trade in this ticker in the filings we have parsed.
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 4 | 11 | December 18, 2025 | December 30, 2025 | Form 4 list on EDGAR |
Site built October 27, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insider rows are Form 4 filings for this issuer from SEC EDGAR; congressional rows are periodic transaction reports parsed from the House Clerk and the Senate eFD. Values use the reported price for Form 4 and the disclosed range for Congress. See methodology and corrections.
Not investment advice. Disclosures are shown as filed and may lag the trade or be amended. No recommendation is made or implied.