AMSC insider buying
AMERICAN SUPERCONDUCTOR CORP /DE/
Every qualifying open-market purchase of AMSC reported to the SEC on Form 4, parsed directly from the filings and linked back to the source on EDGAR. No buying cluster — two or more distinct insiders inside a rolling window — has been detected in AMSC yet; if one forms, it appears here (and hits our alert subscribers in real time).
All notable open-market buys in AMSC
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
AMSC insider buying — FAQ
- Are insiders buying AMSC stock?
- 2 insiders have bought AMSC (AMERICAN SUPERCONDUCTOR CORP /DE/) on the open market, most recently on Nov 13, 2025. No cluster buy — two or more distinct insiders within a rolling window — has been detected yet.
- How much AMSC stock have insiders bought?
- Insiders have bought a combined $4.5K of AMSC across 2 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in AMSC?
- A cluster buy is two or more distinct AMERICAN SUPERCONDUCTOR CORP /DE/ insiders — officers, directors, or 10% owners — each buying AMSC on the open market within a rolling window. None has been detected in AMSC yet.
- Where does this AMSC 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 AMSC
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 AMSC 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 AMSC.