iBio (IBIO) stock: insider trades, news & valuation
Strong buyingShare price and insider trades
iBio insider trading at a glance (Oct 9, 2026): in the past 12 months, 3 insiders bought $96K and 0 sold $0 of IBIO stock on the open market, including a cluster buy that began Mar 19, 2026.
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IBIO insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | — | 0 | — | 0 |
| Q2 2026 | — | 0 | — | 0 |
| Q1 2026 | $98K | 4 | — | 0 |
Valuation, profit and volume
Summary
Over the past 12 months, 3 iBio, Inc. insiders reported open-market purchases totaling $96K, while 0 insiders reported sales totaling $0. The most recent cluster buy began on Mar 19, 2026, when 3 insiders bought a combined $96K.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Mar 27SEC | Marc BanjakGeneral Counsel | Buy | 12,50023,566 held (+113%) | $1.64 | $20K | -47.0% | — |
| Mar 27SEC | Marc BanjakGeneral Counsel | Buy | 1,43425,000 held (+6%) | $1.76 | $3K | -50.6% | — |
| Mar 23SEC | Felipe DuranCFO | Buy | 24,83535,974 held (+223%) | $2.02 | $50K | -56.9% | — |
| Mar 23SEC | Martin BrennerSee Remarks | Buy | 12,33630,652 held (+67%) | $2.02 | $25K | -56.9% | — |
Insiders at iBio, Inc.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Felipe DuranCFO | $50K | — | Mar 23, 2026 | — |
| Martin BrennerSee Remarks | $25K | — | Mar 23, 2026 | — |
| Marc BanjakGeneral Counsel | $23K | — | Mar 27, 2026 | — |
IBIO stock: common questions
Are iBio, Inc. insiders buying IBIO stock?
In the past 12 months, 3 insiders reported open-market purchases of IBIO worth $96K. The latest was General Counsel Marc Banjak bought $20K of IBIO at $1.64 — first open-market purchase in our records; raises the stake by 113%.
Are iBio, Inc. insiders selling IBIO stock?
0 insiders reported sales worth $0 over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is IBIO's 52-week range?
Over the past year IBIO has traded between $0.79 and $3.07. It last closed at $0.87 on Oct 9, 2026.