UCTT insider buying
2 cluster buysUltra Clean Holdings, Inc. · Technology
When two or more insiders at Ultra Clean Holdings, Inc. buy UCTT 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 UCTT 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 7 – Mar 7, 2025Detected Mar 7, 2025High conviction2 insidersTotal bought$346.6KMarket cap$4.7B
- Oct 31 – Nov 15, 2024Detected Nov 15, 2024High conviction2 insidersTotal bought$943.3KMarket cap$4.7B
All notable open-market buys in UCTT
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 |
|---|---|---|---|---|---|
| Mar 7, 2025 | MADDOCK ERNEST Ecluster Director | 10,000 | $24.29 | $242.9K | SEC ↗ |
| Mar 7, 2025 | Cook Christopher Scluster President, Products Division | 4,100 | $25.30 | $103.7K | SEC ↗ |
| Mar 7, 2025 | Chief Accounting Officer | 4,000 | $24.00 | $96.0K | SEC ↗ |
| Mar 7, 2025 | President, Services Business | 3,000 | $25.17 | $75.5K | SEC ↗ |
| Mar 7, 2025 | Director | 1,000 | $25.15 | $25.2K | SEC ↗ |
| Nov 15, 2024 | Bajwa Harjindercluster Chief Operating Officer | 5,000 | $34.00 | $170.0K | SEC ↗ |
| Nov 15, 2024 | Bajwa Harjindercluster Chief Operating Officer | 5,000 | $33.50 | $167.5K | SEC ↗ |
| Nov 13, 2024 | Bajwa Harjindercluster Chief Operating Officer | 10,000 | $35.00 | $350.0K | SEC ↗ |
| Nov 13, 2024 | Bajwa Harjindercluster Chief Operating Officer | 5,000 | $34.50 | $172.5K | SEC ↗ |
| Oct 31, 2024 | Bajwa Harjindercluster Chief Operating Officer | 2,500 | $33.33 | $83.3K | SEC ↗ |
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UCTT insider buying — FAQ
- Are insiders buying UCTT stock?
- Yes — 7 distinct insiders have bought UCTT (Ultra Clean Holdings, 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 Mar 11, 2025.
- How much UCTT stock have insiders bought?
- Insiders have bought a combined $1.5M of UCTT across 10 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in UCTT?
- A cluster buy is two or more distinct Ultra Clean Holdings, Inc. insiders — officers, directors, or 10% owners — each buying UCTT on the open market within a rolling window. UCTT has 2 detected cluster buys to date.
- Where does this UCTT 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 UCTT
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 UCTT 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 UCTT.