Brenner Martin has filed 7 insider transactions across 1 company since May 2024.
Most recent transaction: a purchase of 12336 shares of iBio, Inc. ($IBIO) on March 19, 2026.
Activity breakdown: 2 open-market purchases and 0 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 19, 2026 | iBio, Inc. | $IBIO | Brenner Martin | See Remarks | P | Common Stock | 12336 | $2.02 | 30,652.0000 | 99,133,000 | 67.35% | 0.01% |
| Jan. 28, 2026 | iBio, Inc. | $IBIO | Brenner Martin | See Remarks | A | Stock Option (right to buy) | 479000 | $0.00 | 479,000.0000 | 99,133,000 | 9999.99% | 0.48% |
| Oct. 20, 2025 | iBio, Inc. | $IBIO | Brenner Martin | See Remarks | A | Stock Option (right to buy) | 180000 | $0.00 | 180,000.0000 | 52,981,000 | 9999.99% | 0.34% |
| Feb. 21, 2025 | iBio, Inc. | $IBIO | Brenner Martin | See Remarks | A | Stock Option (right to buy) | 230700 | $0.00 | 230,700.0000 | 9,132,000 | 9999.99% | 2.53% |
| Jan. 10, 2025 | iBio, Inc. | $IBIO | Brenner Martin | See Remarks | P | Common Stock | 9191 | $2.72 | 18,316.0000 | 9,132,000 | 100.72% | 0.10% |
| May 9, 2024 | iBio, Inc. | $IBIO | Brenner Martin | See Remarks | A | Stock Option (right to buy) | 110000 | $0.00 | 110,000.0000 | 3,713,000 | 9999.99% | 2.96% |
| May 9, 2024 | iBio, Inc. | $IBIO | Brenner Martin | See Remarks | A | Stock Option (right to buy) | 147300 | $0.00 | 147,300.0000 | 3,713,000 | 9999.99% | 3.97% |