Elizabeth Stoner - 18 May 2026 Form 4 Insider Report for iBio, Inc. (IBIO)

Reporting relationship
Director
Issuer ticker
IBIO
Reported as of
18 May 2026
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
19 May 2026, 07:44:29 UTC
Prior SEC filing
15 May 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Marc Banjak, Attorney-in-Fact

Key filing fact

Elizabeth Stoner filed Form 4 for iBio, Inc. (IBIO) on 19 May 2026.

Key facts

  • This page summarizes Elizabeth Stoner's Form 4 filing for iBio, Inc. (IBIO).
  • 1 reported transaction and 1 derivative row are listed below.
  • Accepted by SEC: 19 May 2026, 07:44.

Change

  • Previous filing in this sequence was filed on 15 May 2026.
  • Current net transaction value: $0.

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

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001415739 Primary reporting owner

Stoner Elizabeth

Relationship
Director
Address
C/O IBIO, INC., 11750 SORRENTO VALLEY ROAD, SUITE 200, SAN DIEGO
Signature
/s/ Marc Banjak, Attorney-in-Fact
Signature date
19 May 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

IBIO transaction Derivative

Stock Option (right to buy)

Award

Transaction value
Shares
+60,000
Change %
Price
$0.000000*
Shares after
60,000
Date
18 May 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
60,000
Exercise price
$1.42
Footnotes
F1
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Vesting monthly on a pro rata basis over 36 months.

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