NAMS insider buying
2 cluster buysNewAmsterdam Pharma Co N.V. · Healthcare
When two or more insiders at NewAmsterdam Pharma Co N.V. buy NAMS on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in NAMS plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Mar 4 – Sep 15, 2025Detected Sep 15, 20252 insidersTotal bought$405.0KMarket cap$4.1B
- Jun 20 – Sep 26, 2024Detected Sep 26, 2024High conviction2 insidersTotal bought$185.0KMarket cap$4.1B
All notable open-market buys in NAMS
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Sep 15, 2025 | Topper James Ncluster Director | 660 | $23.70 | $15.6K | SEC ↗ |
| Sep 8, 2025 | Topper James Ncluster Director | 1,260 | $24.99 | $31.5K | SEC ↗ |
| Aug 11, 2025 | Topper James Ncluster Director | 471 | $23.98 | $11.3K | SEC ↗ |
| Jun 25, 2025 | Topper James Ncluster Director | 1,260 | $18.26 | $23.0K | SEC ↗ |
| Jun 24, 2025 | Topper James Ncluster Director | 2,520 | $18.43 | $46.4K | SEC ↗ |
| Jun 16, 2025 | Topper James Ncluster Director | 8,584 | $19.50 | $167.4K | SEC ↗ |
| Mar 26, 2025 | Topper James Ncluster Director | 1,135 | $22.49 | $25.5K | SEC ↗ |
| Mar 4, 2025 | Topper James Ncluster Director | 4,005 | $21.02 | $84.2K | SEC ↗ |
| Sep 26, 2024 | Audet Juliette Berangerecluster Chief Business Officer | 1,104 | $15.70 | $17.3K | SEC ↗ |
| Aug 20, 2024 | Davidson Michael H.cluster Director, Chief Executive Officer | 5,000 | $16.27 | $81.4K | SEC ↗ |
| Jun 20, 2024 | Davidson Michael H.cluster Director, Chief Executive Officer | 5,000 | $17.26 | $86.3K | SEC ↗ |
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NAMS insider buying — FAQ
- Are insiders buying NAMS stock?
- Yes — 4 distinct insiders have bought NAMS (NewAmsterdam Pharma Co N.V.) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Sep 17, 2025.
- How much NAMS stock have insiders bought?
- Insiders have bought a combined $590.0K of NAMS across 11 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in NAMS?
- A cluster buy is two or more distinct NewAmsterdam Pharma Co N.V. insiders — officers, directors, or 10% owners — each buying NAMS on the open market within a rolling window. NAMS has 2 detected cluster buys to date.
- Where does this NAMS insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in NAMS
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy NAMS within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding NAMS.