CMC insider buying
1 cluster buyCOMMERCIAL METALS Co
When two or more insiders at COMMERCIAL METALS Co buy CMC 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 CMC 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 27 – Apr 4, 2025Detected Apr 4, 2025High conviction2 insidersTotal bought$394.7KMarket cap$6.9B
All notable open-market buys in CMC
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 |
|---|---|---|---|---|---|
| Jul 10, 2026 | Director, President and CEO | 8,230 | $61.30 | $504.5K | SEC ↗ |
| Jan 20, 2026 | Director | 2,000 | $74.69 | $149.4K | SEC ↗ |
| Oct 20, 2025 | Director | 1,712 | $58.09 | $99.5K | SEC ↗ |
| Oct 20, 2025 | Director | 10 | $58.68 | $586.8 | SEC ↗ |
| Apr 4, 2025 | McPherson John Rcluster Director | 2,475 | $40.42 | $100.0K | SEC ↗ |
| Mar 27, 2025 | MATT PETER Rcluster Director, President and CEO | 6,100 | $48.30 | $294.6K | SEC ↗ |
CMC insider buying — FAQ
- Are insiders buying CMC stock?
- Yes — 4 distinct insiders have bought CMC (COMMERCIAL METALS Co) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was Jul 13, 2026.
- How much CMC stock have insiders bought?
- Insiders have bought a combined $1.1M of CMC across 6 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in CMC?
- A cluster buy is two or more distinct COMMERCIAL METALS Co insiders — officers, directors, or 10% owners — each buying CMC on the open market within a rolling window. CMC has 1 detected cluster buy to date.
- Where does this CMC 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 CMC
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 CMC 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 CMC.