🕵️ IBIO, Inc. ($IBIO)
SEC insider & ownership activity, last 12 months · CIK 1420720 · every row links its SEC filing
Insider buy value was withheld pending verification over the last 12 months. No red-flag 8-Ks in the window.
Insider flow
3 buyers, value withheld pending verification (4 lots) · 0 sellers, $0 (0 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Banjak Marc | 2 | $23K | 0 | – | Mar 26, 2026 |
| Brenner Martin | 1 | value withheld pending verification | 0 | – | Mar 19, 2026 |
| Duran Felipe | 1 | value withheld pending verification | 0 | – | Mar 19, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Cormorant Asset Management, LP | 10.0% | 13G | Aug 14, 2026 | filing ↗ | |
| Bihua Chen | 10.0% | 13G | Aug 14, 2026 | filing ↗ | |
| SilverArc Capital Management, LLC | 10.0% | 13G | Nov 14, 2025 | filing ↗ | |
| Devesh Gandhi | 10.0% | 13G | Nov 14, 2025 | filing ↗ | |
| Affinity Asset Advisors, LLC | 10.0% | 13G | Aug 13, 2026 | filing ↗ | |
| Michael Cho | 10.0% | 13G | Aug 13, 2026 | filing ↗ | |
| Affinity Healthcare Fund, LP | 10.0% | 13G | Dec 3, 2025 | filing ↗ | |
| Adage Capital Management, L.P. | 10.0% | 13G | Nov 13, 2025 | filing ↗ | |
| Robert Atchinson | 10.0% | 13G | Nov 13, 2025 | filing ↗ | |
| Phillip Gross | 10.0% | 13G | Nov 13, 2025 | filing ↗ | |
| Sirenia Capital Management LP | 9.9% | 13G | May 15, 2026 | filing ↗ | |
| Alex Silverstein | 9.9% | 13G | May 15, 2026 | filing ↗ | |
| Vestal Point Capital, LP | 7.9% | 13G | Aug 14, 2026 | filing ↗ | |
| Ryan Wilder | 7.9% | 13G | Aug 14, 2026 | filing ↗ | |
| Opaleye Management, Inc. | 7.6% | 13G | Feb 14, 2025 | filing ↗ | |
| SilverArc Capital Alpha Fund II, L.P. | 7.2% | 13G | Nov 14, 2025 | filing ↗ | |
| Frazier Life Sciences Public Fund, L.P. | 5.7% | 13G | May 12, 2026 | filing ↗ | |
| Fhmlsp, L.P. | 5.7% | 13G | May 12, 2026 | filing ↗ | |
| Fhmlsp, L.L.C. | 5.7% | 13G | May 12, 2026 | filing ↗ | |
| LYNX1 Capital Management LP | 5.4% | 13G | Aug 14, 2026 | filing ↗ | |
| Weston Nichols | 5.4% | 13G | Aug 14, 2026 | filing ↗ | |
| Integrated CORE Strategies (US) LLC | 5.2% | 13G | Jan 22, 2026 | filing ↗ | |
| Millennium Management LLC | 5.2% | 13G | Jan 22, 2026 | filing ↗ | |
| Millennium Group Management LLC | 5.2% | 13G | Jan 22, 2026 | filing ↗ | |
| Israel A. Englander | 5.2% | 13G | Jan 22, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Reg FD disclosure (7.01) | Sep 14, 2026 | filing ↗ |
| Other events (8.01) | Sep 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 14, 2026 | filing ↗ |
| Earnings (2.02) | Aug 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 28, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jul 31, 2026 | filing ↗ |
| Other events (8.01) | Jul 31, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 31, 2026 | filing ↗ |
| Shareholder Nominations Pursuant to Exchange Act Rule 14a-11 (5.08) | Jul 17, 2026 | filing ↗ |
| Other events (8.01) | Jul 17, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 17, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 1, 2026 | filing ↗ |
| Other events (8.01) | Jul 1, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 1, 2026 | filing ↗ |
| Earnings (2.02) | May 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 12, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 7, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 7, 2026 | filing ↗ |
| Other events (8.01) | Apr 8, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 8, 2026 | filing ↗ |
| Other events (8.01) | Apr 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 8, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 9, 2026 | filing ↗ |
| Other events (8.01) | Mar 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 9, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 23, 2026 | filing ↗ |
| Agreement terminated (1.02) | Feb 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 23, 2026 | filing ↗ |
| Earnings (2.02) | Feb 10, 2026 | filing ↗ |