ATMU insider buying
1 cluster buyAtmus Filtration Technologies Inc. · Consumer Discretionary
When two or more insiders at Atmus Filtration Technologies Inc. buy ATMU 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 ATMU 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 7 – Aug 23, 2024Detected Aug 23, 20242 insidersTotal bought$460.4KMarket cap$4.3B
All notable open-market buys in ATMU
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 12, 2026 | Director | 1,872 | $55.74 | $104.4K | SEC ↗ |
| Sep 5, 2025 | Director | 15 | $45.81 | $687.2 | SEC ↗ |
| Aug 13, 2025 | Director | 25 | $45.00 | $1.1K | SEC ↗ |
| Aug 23, 2024 | HAGGERTY GRETCHEN Rcluster Director | 5,848.8 | $34.20 | $200.0K | SEC ↗ |
| Aug 7, 2024 | Macadam Stephen E.cluster Director | 8,250 | $31.56 | $260.4K | SEC ↗ |
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ATMU insider buying — FAQ
- Are insiders buying ATMU stock?
- Yes — 3 distinct insiders have bought ATMU (Atmus Filtration Technologies Inc.) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was May 13, 2026.
- How much ATMU stock have insiders bought?
- Insiders have bought a combined $566.6K of ATMU across 5 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in ATMU?
- A cluster buy is two or more distinct Atmus Filtration Technologies Inc. insiders — officers, directors, or 10% owners — each buying ATMU on the open market within a rolling window. ATMU has 1 detected cluster buy to date.
- Where does this ATMU 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 ATMU
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 ATMU 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 ATMU.