Brenner Martin
SEC insider (Form 3/4/5 filer). CIK 0001770235. Director at iBio, Inc. (IBIO). 5 reported Form 4/5 transactions since Sep 2024; latest on Mar 19, 2026. Located in SAN DIEGO, CA.
Companies Brenner Martin has filed insider reports for
- iBio, Inc. (IBIO): Director, Officer, See Remarks
Brenner Martin
CIK: 0001770235
Transaction Breakdown
Open Market Buys (P)2 (40.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)3 (60.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
IBIO
iBio, Inc.
DirectorOfficer
Discretionary Trading P&L
Holdings
Transaction History (5 total)
- Mar 19, 2026IBIO
iBio, Inc.
PurchaseDirect12.3K shares at avg. $2.02$25K - Jan 28, 2026IBIO
iBio, Inc.
AwardDirectStock Option (right to buy)
479K shares- - Oct 20, 2025IBIO
iBio, Inc.
AwardDirectStock Option (right to buy)
180K shares- - Feb 21, 2025IBIO
iBio, Inc.
AwardDirectStock Option (right to buy)
230.7K shares- - Jan 10, 2025IBIO
iBio, Inc.
PurchaseDirect9.2K shares at avg. $2.72$25K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Mar 19, 2026 | IBIO iBio, Inc. | Purchase | 12,336 | $2.02 | $24,919 | Direct |
| Jan 28, 2026 | IBIO iBio, Inc. | Award Stock Option (right to buy) | 479,000 | - | - | Direct |
| Oct 20, 2025 | IBIO iBio, Inc. | Award Stock Option (right to buy) | 180,000 | - | - | Direct |
| Feb 21, 2025 | IBIO iBio, Inc. | Award Stock Option (right to buy) | 230,700 | - | - | Direct |
| Jan 10, 2025 | IBIO iBio, Inc. | Purchase | 9,191 | $2.72 | $25,000 | Direct |
1-5 of 5 transactions