AVTR insider buying
2 cluster buysAvantor, Inc. · Healthcare
When two or more insiders at Avantor, Inc. buy AVTR in a qualifying detection window, the grouped purchases provide a starting point for further research. Below is every cluster we've detected in AVTR 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
- Aug 21, 2025 – May 1, 2026Detected May 1, 2026Executive buyer5 insidersTotal bought$9.9MMarket cap$7.1B
- Apr 28 – May 23, 2025Detected May 23, 20252 insidersTotal bought$1.3MMarket cap$7.1B
All notable open-market buys in AVTR
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 |
|---|---|---|---|---|---|
| May 1, 2026 | Dingemans Simoncluster Director | 25,000 | $8.14 | $203.5K | SEC ↗ |
| Mar 10, 2026 | MEHRA SANJEEV Kcluster Director | 125,000 | $8.01 | $1.0M | SEC ↗ |
| Feb 19, 2026 | LUCIER GREGORY Tcluster Director | 50,000 | $9.16 | $458.0K | SEC ↗ |
| Feb 12, 2026 | SUMME GREGORY Lcluster Director | 100,000 | $9.40 | $940.0K | SEC ↗ |
| Dec 5, 2025 | MEHRA SANJEEV Kcluster Director | 350,000 | $11.09 | $3.9M | SEC ↗ |
| Nov 17, 2025 | Ligner Emmanuelcluster Director, President and CEO | 87,500 | $11.35 | $993.1K | SEC ↗ |
| Oct 30, 2025 | SUMME GREGORY Lcluster Director | 100,000 | $11.25 | $1.1M | SEC ↗ |
| Aug 21, 2025 | SUMME GREGORY Lcluster Director | 100,000 | $12.56 | $1.3M | SEC ↗ |
| May 23, 2025 | SUMME GREGORY Lcluster Director | 30,000 | $12.50 | $375.0K | SEC ↗ |
| May 22, 2025 | SUMME GREGORY Lcluster Director | 20,000 | $12.65 | $253.0K | SEC ↗ |
| May 7, 2025 | SUMME GREGORY Lcluster Director | 25,000 | $12.00 | $300.0K | SEC ↗ |
| Apr 29, 2025 | Director | 8,100 | $12.30 | $99.6K | SEC ↗ |
| Apr 28, 2025 | SUMME GREGORY Lcluster Director | 25,000 | $12.50 | $312.5K | SEC ↗ |
| Apr 28, 2025 | Peacock Jonathan Mcluster Director | 8,091 | $12.81 | $103.6K | SEC ↗ |
| Apr 28, 2025 | Director | 5,000 | $12.57 | $62.9K | SEC ↗ |
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AVTR insider buying — FAQ
- Are insiders buying AVTR stock?
- Yes — 8 distinct insiders have bought AVTR (Avantor, Inc.) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was May 5, 2026.
- How much AVTR stock have insiders bought?
- Insiders have bought a combined $11.4M of AVTR across 15 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in AVTR?
- A cluster buy is two or more distinct Avantor, Inc. insiders — officers, directors, or 10% owners — each buying AVTR on the open market within a rolling window. AVTR has 2 detected cluster buys to date.
- Where does this AVTR 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 AVTR
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 AVTR within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Transactions link to official filings; prices and market capitalizations may be cached market data. Read our methodology and data limits before interpreting the figures. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding AVTR.