Summary
Latest filing:
A/S Genmab files SEC Form 4 reports at Merus N.V. (MRUS). 4 SEC Form 4 filings on record, most recently on 30 December 2025. Most recent open-market trade: bought $102.12M of MRUS on 30 December 2025. Lifetime open-market purchases: $234.86M.
Recent transactions
11The latest 11 SEC Form 4 transactions reported by A/S Genmab.
Trading pattern
InsiderAlpha's records for A/S Genmab go back to 2025: 4 primary Form 4 filings, an average of 2.0 per year. The typical open-market purchase is $23.49M (10 of 11 buys carry a usable dollar value, totaling $234.86M). The largest single buy on record is $102.12M of MRUS in 2025. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies A/S Genmab files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Harry Shuman - $960K in MRUS purchases and sales in the last 12 months
More insiders (A-Z)
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Frequently asked questions
Who is A/S Genmab?
A/S Genmab is a corporate insider of Merus N.V. (MRUS). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did A/S Genmab last file a Form 4?
The most recent primary Form 4 on record is dated 30 December 2025, one of 4 filings going back to 2025.
Has A/S Genmab been buying or selling stock?
Recorded transactions: 11 open-market purchases ($234.86M) and 0 open-market sales across all tracked filings.