CBIO insider buying
CRESCENT BIOPHARMA, INC.
Every qualifying open-market purchase of CBIO 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 CBIO yet; if one forms, it appears here (and hits our alert subscribers in real time).
All notable open-market buys in CBIO
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
CBIO insider buying — FAQ
- Are insiders buying CBIO stock?
- 2 insiders have bought CBIO (CRESCENT BIOPHARMA, INC.) on the open market, most recently on Jul 20, 2026. No cluster buy — two or more distinct insiders within a rolling window — has been detected yet.
- How much CBIO stock have insiders bought?
- Insiders have bought a combined $30.6M of CBIO across 2 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in CBIO?
- A cluster buy is two or more distinct CRESCENT BIOPHARMA, INC. insiders — officers, directors, or 10% owners — each buying CBIO on the open market within a rolling window. None has been detected in CBIO yet.
- Where does this CBIO 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 CBIO
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 CBIO 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 CBIO.