IBIO insider buying
2 cluster buysiBio, Inc. · Healthcare
When two or more insiders at iBio, Inc. buy IBIO 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 IBIO 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
- Mar 19 – Mar 26, 2026Detected Mar 26, 2026High conviction3 insidersTotal bought$98.1KMarket cap$80.5M
- Jan 10 – Jan 10, 2025Detected Jan 10, 2025High conviction7 insidersTotal bought$655.0KMarket cap$80.5M
All notable open-market buys in IBIO
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 |
|---|---|---|---|---|---|
| Mar 26, 2026 | Banjak Marccluster Chief Legal Officer | 12,500 | $1.64 | $20.5K | SEC ↗ |
| Mar 26, 2026 | Banjak Marccluster Chief Legal Officer | 1,434 | $1.76 | $2.5K | SEC ↗ |
| Mar 19, 2026 | Duran Felipecluster Chief Financial Officer | 24,835 | $2.02 | $50.2K | SEC ↗ |
| Mar 19, 2026 | Brenner Martincluster Director, See Remarks | 12,336 | $2.02 | $24.9K | SEC ↗ |
| Jan 10, 2025 | Director | 183,823 | $2.72 | $500.0K | SEC ↗ |
| Jan 10, 2025 | Arkowitz Davidcluster Director | 18,382 | $2.72 | $50.0K | SEC ↗ |
| Jan 10, 2025 | Brenner Martincluster Director, See Remarks | 9,191 | $2.72 | $25.0K | SEC ↗ |
| Jan 10, 2025 | Duran Felipecluster Chief Financial Officer | 9,191 | $2.72 | $25.0K | SEC ↗ |
| Jan 10, 2025 | Sender Garycluster Director | 9,191 | $2.72 | $25.0K | SEC ↗ |
| Jan 10, 2025 | Banjak Marccluster Chief Legal Officer | 9,191 | $2.72 | $25.0K | SEC ↗ |
| Jan 10, 2025 | Clark William Dcluster Director | 1,838 | $2.72 | $5.0K | SEC ↗ |
More Healthcare stocks with insider cluster buys
IBIO insider buying — FAQ
- Are insiders buying IBIO stock?
- Yes — 7 distinct insiders have bought IBIO (iBio, 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 Mar 27, 2026.
- How much IBIO stock have insiders bought?
- Insiders have bought a combined $753.1K of IBIO across 11 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in IBIO?
- A cluster buy is two or more distinct iBio, Inc. insiders — officers, directors, or 10% owners — each buying IBIO on the open market within a rolling window. IBIO has 2 detected cluster buys to date.
- Where does this IBIO 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 IBIO
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 IBIO 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 IBIO.