Over the past year, IBIO insiders bought $98,106 of stock (51.1K shares) on the open market and sold none.
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Antonio Bernardino Guimaraes Parada | Director | 0 | 183,823 | 183,823 | 59.3% | 13 Jan, 2025 |
| 2 | Felipe Duran | Chief Financial Officer | 35,974 | 0 | 35,974 | 11.6% | 23 Mar, 2026 |
| 3 | Martin Brenner | Chief Scientific Officer | 30,652 | 0 | 30,652 | 9.9% | 23 Mar, 2026 |
| 4 | Marc Banjak | Chief Legal Officer | 25,000 | 0 | 25,000 | 8.1% | 27 Mar, 2026 |
| 5 | David Arkowitz | Director | 18,382 | 0 | 18,382 | 5.9% | 13 Jan, 2025 |
| 6 | Gary Sender | Director | 9,191 | 0 | 9,191 | 3.0% | 13 Jan, 2025 |
| 7 | Robert Matthew Lutz | Officer | 5,108 | 0 | 5,108 | 1.6% | 15 Nov, 2022 |
| 8 | William D Clark | Director | 1,838 | 0 | 1,838 | 0.6% | 13 Jan, 2025 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 14 Oct, 2026 | Gary Sender | Director | Acquired A | 38,000 | $0.00 | $0 | 38,000 | Direct |
| 14 Oct, 2026 | Antonio Bernardino Guimaraes Parada | Director | Acquired A | 38,000 | $0.00 | $0 | 38,000 | Direct |
| 14 Oct, 2026 | William D Clark | Director | Acquired A | 38,000 | $0.00 | $0 | 38,000 | Direct |
| 14 Oct, 2026 | Alexandra Kropotova | Director | Acquired A | 38,000 | $0.00 | $0 | 38,000 | Direct |
| 14 Oct, 2026 | David Arkowitz | Director | Acquired A | 38,000 | $0.00 | $0 | 38,000 | Direct |
| 14 Oct, 2026 | Elizabeth Stoner | Director | Acquired A | 38,000 | $0.00 | $0 | 38,000 | Direct |
| 31 Jul, 2026 | Molly Carr | Chief Medical Officer | Acquired A | 430,000 | $0.00 | $0 | 430,000 | Direct |
| 18 May, 2026 | Elizabeth Stoner | Director | Acquired A | 60,000 | $0.00 | $0 | 60,000 | Direct |
| 26 Mar, 2026 | Marc Banjak | Chief Legal Officer | Acquired P | 12,500 | $1.64 | $20.53K | 23,566 | Direct |
| 26 Mar, 2026 | Marc Banjak | Chief Legal Officer | Acquired P | 1,434 | $1.76 | $2.52K | 25,000 | Direct |
| 19 Mar, 2026 | Felipe Duran | Chief Financial Officer | Acquired P | 24,835 | $2.02 | $50.13K | 35,974 | Direct |
| 19 Mar, 2026 | Martin Brenner | Director, Officer | Acquired P | 12,336 | $2.02 | $24.92K | 30,652 | Direct |
| 28 Jan, 2026 | Felipe Duran | Chief Financial Officer | Acquired A | 179,000 | $0.00 | $0 | 179,000 | Direct |
| 28 Jan, 2026 | Martin Brenner | Director, Officer | Acquired A | 479,000 | $0.00 | $0 | 479,000 | Direct |
| 28 Jan, 2026 | Marc Banjak | Chief Legal Officer | Acquired A | 146,000 | $0.00 | $0 | 146,000 | Direct |
| 20 Nov, 2025 | Antonio Bernardino Guimaraes Parada | Director | Acquired A | 13,500 | $0.00 | $0 | 13,500 | Direct |
| 20 Nov, 2025 | Alexandra Kropotova | Director | Acquired A | 13,500 | $0.00 | $0 | 13,500 | Direct |
| 20 Nov, 2025 | Evert B. Schimmelpennink | Director | Acquired A | 13,500 | $0.00 | $0 | 13,500 | Direct |
| 20 Nov, 2025 | Gary Sender | Director | Acquired A | 13,500 | $0.00 | $0 | 13,500 | Direct |
| 20 Nov, 2025 | David Arkowitz | Director | Acquired A | 13,500 | $0.00 | $0 | 13,500 | Direct |