IOBT insider buying
1 cluster buyIO Biotech, Inc.
When two or more insiders at IO Biotech, Inc. buy IOBT in a qualifying detection window, the grouped purchases provide a starting point for further research. Below is every cluster we've detected in IOBT 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
- Dec 23 – Dec 23, 2024Detected Dec 23, 2024Executive buyer4 insidersTotal bought$55.0KMarket capUnknown
All notable open-market buys in IOBT
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 |
|---|---|---|---|---|---|
| May 30, 2025 | Director | 15,000 | $1.39 | $20.9K | SEC ↗ |
| Dec 23, 2024 | Ahmad Qasim Iftikharcluster Chief Medical Officer | 31,350 | $0.85 | $26.6K | SEC ↗ |
| Dec 23, 2024 | Zocca Mai-Brittcluster Director, Chief Executive Officer | 12,500 | $0.81 | $10.1K | SEC ↗ |
| Dec 23, 2024 | Smith Devin Whittemorecluster General Counsel | 12,000 | $0.81 | $9.7K | SEC ↗ |
| Dec 23, 2024 | Sullivan Amycluster Chief Financial Officer | 10,250 | $0.83 | $8.5K | SEC ↗ |
IOBT insider buying — FAQ
- Are insiders buying IOBT stock?
- Yes — 5 distinct insiders have bought IOBT (IO Biotech, 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 Jun 2, 2025.
- How much IOBT stock have insiders bought?
- Insiders have bought a combined $75.9K of IOBT across 5 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in IOBT?
- A cluster buy is two or more distinct IO Biotech, Inc. insiders — officers, directors, or 10% owners — each buying IOBT on the open market within a rolling window. IOBT has 1 detected cluster buy to date.
- Where does this IOBT 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 IOBT
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 IOBT 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 IOBT.