ADTN insider buying
1 cluster buyADTRAN Holdings, Inc.
When two or more insiders at ADTRAN Holdings, Inc. buy ADTN in a qualifying detection window, the grouped purchases provide a starting point for further research. Below is every cluster we've detected in ADTN 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
- Nov 24 – Nov 26, 2025Detected Nov 26, 2025Executive buyer2 insidersTotal bought$400.4KMarket cap$1.1B
All notable open-market buys in ADTN
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 6, 2026 | SVP of Finance; CFO | 6,579 | $7.60 | $50.0K | SEC ↗ |
| Nov 28, 2025 | SVP of Finance; CFO | 6,150 | $8.02 | $49.3K | SEC ↗ |
| Nov 26, 2025 | Theodosopoulos Nikoscluster Director | 12,859 | $7.81 | $100.4K | SEC ↗ |
| Nov 24, 2025 | STANTON THOMAS Rcluster Director, Chairman & CEO | 40,928 | $7.33 | $300.0K | SEC ↗ |
ADTN insider buying — FAQ
- Are insiders buying ADTN stock?
- Yes — 4 distinct insiders have bought ADTN (ADTRAN Holdings, 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 Aug 7, 2026.
- How much ADTN stock have insiders bought?
- Insiders have bought a combined $499.8K of ADTN across 4 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in ADTN?
- A cluster buy is two or more distinct ADTRAN Holdings, Inc. insiders — officers, directors, or 10% owners — each buying ADTN on the open market within a rolling window. ADTN has 1 detected cluster buy to date.
- Where does this ADTN 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 ADTN
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 ADTN within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Transactions link to official filings; prices and market capitalizations may be cached market data. Read our methodology and data limits before interpreting the figures. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding ADTN.