IBM insider buying
1 cluster buyINTERNATIONAL BUSINESS MACHINES CORP · Technology
When two or more insiders at INTERNATIONAL BUSINESS MACHINES CORP buy IBM 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 IBM 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
- Jan 30 – Feb 25, 2026Detected Feb 25, 20262 insidersTotal bought$405.3KMarket cap$281.5B
All notable open-market buys in IBM
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 |
|---|---|---|---|---|---|
| Feb 25, 2026 | Miebach Michaelcluster Director | 434 | $233.33 | $101.3K | SEC ↗ |
| Feb 25, 2026 | Director | 50 | $237.83 | $11.9K | SEC ↗ |
| Jan 30, 2026 | FARR DAVID Ncluster Director | 1,000 | $304.00 | $304.0K | SEC ↗ |
| Feb 28, 2025 | Director | 1,200 | $249.00 | $298.8K | SEC ↗ |
| Nov 13, 2024 | Director | 936 | $210.62 | $197.1K | SEC ↗ |
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IBM insider buying — FAQ
- Are insiders buying IBM stock?
- Yes — 4 distinct insiders have bought IBM (INTERNATIONAL BUSINESS MACHINES CORP) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was Feb 25, 2026.
- How much IBM stock have insiders bought?
- Insiders have bought a combined $913.1K of IBM across 5 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in IBM?
- A cluster buy is two or more distinct INTERNATIONAL BUSINESS MACHINES CORP insiders — officers, directors, or 10% owners — each buying IBM on the open market within a rolling window. IBM has 1 detected cluster buy to date.
- Where does this IBM 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 IBM
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 IBM 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 IBM.