IBIOiBio, Inc.
- Market cap
- $35.66M
- as of 2026-10-23
- Latest close
- $0.72
- as of 2026-10-23
- Sector
- Healthcare
- as of 2026-10-24
- Industry
- Biotechnology
- as of 2026-10-24
Cluster
No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).
Form 4 historysince 2023-10-03
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Sender Gary | Oct 14 | Oct 15 | A · derivative | 38,000 | $0.78 | $29,640 | 38,000 | No | Form 4 |
| Stoner Elizabeth | Oct 14 | Oct 15 | A · derivative | 38,000 | $0.78 | $29,640 | 38,000 | No | Form 4 |
| Kropotova Alexandra | Oct 14 | Oct 15 | A · derivative | 38,000 | $0.78 | $29,640 | 38,000 | No | Form 4 |
| Arkowitz David | Oct 14 | Oct 15 | A · derivative | 38,000 | $0.78 | $29,640 | 38,000 | No | Form 4 |
| Clark William D | Oct 14 | Oct 15 | A · derivative | 38,000 | $0.78 | $29,640 | 38,000 | No | Form 4 |
| Parada Antonio Bernardino Guimaraes | Oct 14 | Oct 15 | A · derivative | 38,000 | $0.78 | $29,640 | 38,000 | No | Form 4 |
| Carr MollyChief Medical Officer | Jul 31 | Aug 4 | A · derivative | 430,000 | $1.40 | $602,000 | 430,000 | No | Form 4 |
| Stoner Elizabeth | May 18 | May 19 | A · derivative | 60,000 | $1.42 | $85,200 | 60,000 | No | Form 4 |
| Banjak MarcChief Legal Officer | Mar 26 | Mar 27 | P | 12,500 | $1.64 | Purchase +$20,500 | 23,566 | No | Form 4 |
| Banjak MarcChief Legal Officer | Mar 26 | Mar 27 | P | 1,434 | $1.76 | Purchase +$2,524 | 25,000 | No | Form 4 |
| Brenner MartinSee Remarks | Mar 19 | Mar 23 | P | 12,336 | $2.02 | Purchase +$24,919 | 30,652 | No | Form 4 |
| Duran FelipeChief Financial Officer | Mar 19 | Mar 23 | P | 24,835 | $2.02 | Purchase +$50,167 | 35,974 | No | Form 4 |
| Brenner MartinSee Remarks | Jan 28 | Jan 30 | A · derivative | 479,000 | $2.23 | $1,068,170 | 479,000 | No | Form 4 |
| Duran FelipeChief Financial Officer | Jan 28 | Jan 30 | A · derivative | 179,000 | $2.23 | $399,170 | 179,000 | No | Form 4 |
| Banjak MarcChief Legal Officer | Jan 28 | Jan 30 | A · derivative | 146,000 | $2.23 | $325,580 | 146,000 | No | Form 4 |
| Arkowitz David | Nov 20, 2025 | Nov 24, 2025 | A · derivative | 13,500 | $1.00 | $13,500 | 13,500 | No | Form 4 |
| Parada Antonio Bernardino Guimaraes | Nov 20, 2025 | Nov 24, 2025 | A · derivative | 13,500 | $1.00 | $13,500 | 13,500 | No | Form 4 |
| Kropotova Alexandra | Nov 20, 2025 | Nov 24, 2025 | A · derivative | 13,500 | $1.00 | $13,500 | 13,500 | No | Form 4 |
| Sender Gary | Nov 20, 2025 | Nov 24, 2025 | A · derivative | 13,500 | $1.00 | $13,500 | 13,500 | No | Form 4 |
| Clark William D | Nov 20, 2025 | Nov 24, 2025 | A · derivative | 13,500 | $1.00 | $13,500 | 13,500 | No | Form 4 |
| Schimmelpennink Evert B. | Nov 20, 2025 | Nov 24, 2025 | A · derivative | 13,500 | $1.00 | $13,500 | 13,500 | No | Form 4 |
| Brenner MartinSee Remarks | Oct 20, 2025 | Oct 22, 2025 | A · derivative | 180,000 | $0.89 | $160,200 | 180,000 | No | Form 4 |
| Banjak MarcChief Legal Officer | Oct 20, 2025 | Oct 22, 2025 | A · derivative | 55,000 | $0.89 | $48,950 | 55,000 | No | Form 4 |
| Duran FelipeChief Financial Officer | Oct 20, 2025 | Oct 22, 2025 | A · derivative | 75,000 | $0.89 | $66,750 | 75,000 | No | Form 4 |
| Brenner MartinSee Remarks | Feb 21, 2025 | Feb 24, 2025 | A · derivative | 230,700 | $3.48 | $802,836 | 230,700 | No | Form 4 |
| Duran FelipeChief Financial Officer | Feb 21, 2025 | Feb 24, 2025 | A · derivative | 84,700 | $3.48 | $294,756 | 84,700 | No | Form 4 |
| Banjak MarcChief Legal Officer | Feb 21, 2025 | Feb 24, 2025 | A · derivative | 71,000 | $3.48 | $247,080 | 71,000 | No | Form 4 |
| Sender Gary | Jan 10, 2025 | Jan 13, 2025 | P | 9,191 | $2.72 | Purchase +$25,000 | 9,191 | No | Form 4 |
| Parada Antonio Bernardino Guimaraes | Jan 10, 2025 | Jan 13, 2025 | P | 183,823 | $2.72 | Purchase +$499,999 | 183,823 | No | Form 4 |
| Clark William D | Jan 10, 2025 | Jan 13, 2025 | P | 1,838 | $2.72 | Purchase +$4,999 | 1,838 | No | Form 4 |
| Arkowitz David | Jan 10, 2025 | Jan 13, 2025 | P | 18,382 | $2.72 | Purchase +$49,999 | 18,382 | No | Form 4 |
| Banjak MarcChief Legal Officer | Jan 10, 2025 | Jan 13, 2025 | P | 9,191 | $2.72 | Purchase +$25,000 | 11,066 | No | Form 4 |
| Brenner MartinSee Remarks | Jan 10, 2025 | Jan 13, 2025 | P | 9,191 | $2.72 | Purchase +$25,000 | 18,316 | No | Form 4 |
| Duran FelipeChief Financial Officer | Jan 10, 2025 | Jan 13, 2025 | P | 9,191 | $2.72 | Purchase +$25,000 | 11,139 | No | Form 4 |
| Parada Antonio Bernardino Guimaraes | Nov 21, 2024 | Dec 9, 2024 | A · derivative | 12,600 | $2.45 | $30,870 | 12,600 | No | Form 4 |
| Arkowitz David | Nov 21, 2024 | Nov 25, 2024 | A · derivative | 12,600 | $2.45 | $30,870 | 12,600 | No | Form 4 |
| Clark William D | Nov 21, 2024 | Nov 25, 2024 | A · derivative | 18,900 | $2.45 | $46,305 | 18,900 | No | Form 4 |
| Kropotova Alexandra | Nov 21, 2024 | Nov 25, 2024 | A · derivative | 18,900 | $2.45 | $46,305 | 18,900 | No | Form 4 |
| Schimmelpennink Evert B. | Nov 21, 2024 | Nov 25, 2024 | A · derivative | 18,900 | $2.45 | $46,305 | 18,900 | No | Form 4 |
| Sender Gary | Nov 21, 2024 | Nov 25, 2024 | A · derivative | 18,900 | $2.45 | $46,305 | 18,900 | No | Form 4 |
| Duran FelipeChief Financial Officer | May 9, 2024 | May 13, 2024 | A · derivative | 90,000 | $1.88 | $169,200 | 90,000 | No | Form 4 |
| Brenner MartinSee Remarks | May 9, 2024 | May 13, 2024 | A · derivative | 147,300 | $1.88 | $276,924 | 147,300 | No | Form 4 |
| Brenner MartinSee Remarks | May 9, 2024 | May 13, 2024 | A · derivative | 110,000 | $1.88 | $206,800 | 110,000 | No | Form 4 |
| Duran FelipeChief Financial Officer | Apr 25, 2024 | Apr 26, 2024 | A · derivative | 35,800 | $1.72 | $61,576 | 35,800 | No | Form 4 |
| Brenner MartinSee Remarks | Nov 1, 2023 | Nov 3, 2023 | S | 4,881 | $0.27 | Sale −$1,318 | 182,502 | No | Form 4 |
| Brenner MartinSee Remarks | Oct 3, 2023 | Oct 5, 2023 | S | 5,267 | $0.30 | Sale −$1,580 | 187,383 | No | Form 4 |
| Brenner MartinSee Remarks | Oct 2, 2023 | Oct 3, 2023 | S | 4,215 | $0.31 | Sale −$1,307 | 192,650 | No | Form 4 |