AMKR insider buying
2 cluster buysAMKOR TECHNOLOGY, INC. · Technology
When two or more insiders at AMKOR TECHNOLOGY, INC. buy AMKR 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 AMKR 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 1 – Aug 1, 2025Detected Aug 1, 20255 insidersTotal bought$48.2MMarket cap$17.3B
- Feb 24 – Feb 24, 2025Detected Feb 24, 20255 insidersTotal bought$95.0MMarket cap$17.3B
All notable open-market buys in AMKR
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 |
|---|---|---|---|---|---|
| Aug 1, 2025 | KIM SUSAN Ycluster Director, 10% Owner, Member of 10% owner group (10) | 441,589 | $21.85 | $9.6M | SEC ↗ |
| Aug 1, 2025 | Sujoda Management, LLCcluster Member of 10% owner group (4) | 441,589 | $21.85 | $9.6M | SEC ↗ |
| Aug 1, 2025 | SUJODA Investments, LPcluster Member of 10% owner group (2) | 441,589 | $21.85 | $9.6M | SEC ↗ |
| Aug 1, 2025 | KIM DAVID Dcluster Member of 10% owner group (5) | 441,589 | $21.85 | $9.6M | SEC ↗ |
| Aug 1, 2025 | KIM JOHN Tcluster 10% Owner, Member of 10% owner group (8) | 441,589 | $21.85 | $9.6M | SEC ↗ |
| Feb 24, 2025 | KIM DAVID Dcluster Member of 10% owner group (5) | 869,565 | $21.85 | $19.0M | SEC ↗ |
| Feb 24, 2025 | KIM SUSAN Ycluster Director, 10% Owner, Member of 10% owner group (6) | 869,565 | $21.85 | $19.0M | SEC ↗ |
| Feb 24, 2025 | SUJODA Investments, LPcluster Member of 10% owner group (2) | 869,565 | $21.85 | $19.0M | SEC ↗ |
| Feb 24, 2025 | Sujoda Management, LLCcluster Member of 10% owner group (4) | 869,565 | $21.85 | $19.0M | SEC ↗ |
| Feb 24, 2025 | KIM JOHN Tcluster 10% Owner, Member of 10% owner group (5) | 869,565 | $21.85 | $19.0M | SEC ↗ |
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AMKR insider buying — FAQ
- Are insiders buying AMKR stock?
- Yes — 5 distinct insiders have bought AMKR (AMKOR TECHNOLOGY, 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 Aug 5, 2025.
- How much AMKR stock have insiders bought?
- Insiders have bought a combined $143.2M of AMKR across 10 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in AMKR?
- A cluster buy is two or more distinct AMKOR TECHNOLOGY, INC. insiders — officers, directors, or 10% owners — each buying AMKR on the open market within a rolling window. AMKR has 2 detected cluster buys to date.
- Where does this AMKR 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 AMKR
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 AMKR 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 AMKR.