Key facts
- This page summarizes Martin Brenner's Form 4 filing for iBio, Inc. (IBIO).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 23 Mar 2026, 07:30.
Martin Brenner - 19 Mar 2026 Form 4 Insider Report for iBio, Inc. (IBIO)
- Reporting relationship
- Chief Executive Officer and Chief Scientific Officer, Director
- Issuer ticker
- IBIO
- Reported as of
- 19 Mar 2026
- Net transaction value
- +$24,919
- SEC form
- 4
- Accepted by SEC
- 23 Mar 2026, 07:30:09 UTC
- Prior SEC filing
- 30 Jan 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Martin Brenner
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Martin Brenner filed Form 4 for iBio, Inc. (IBIO) on 23 Mar 2026.
Change
- Previous filing in this sequence was filed on 30 Jan 2026.
- Current net transaction value: +$24,919.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001770235
Primary reporting owner
Brenner Martin
- Relationship
- Chief Executive Officer and Chief Scientific Officer, Director
- Address
- C/O IBIO, INC.,, 11750 SORRENTO VALLEY ROAD, SUITE 200, SAN DIEGO
- Signature
- /s/ Martin Brenner
- Signature date
- 23 Mar 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
IBIO
transaction
Common Stock
Purchase
- Transaction value
- $24,919
- Shares
- +12,336
- Change %
- +67%
- Price
- $2.02
- Shares after
- 30,652
- Date
- 19 Mar 2026
- Ownership
- Direct
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
SEC remarks
Chief Executive Officer and Chief Scientific Officer