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iBio, Inc. (IBIO)

iBio, Inc. (IBIO) Insider Trading

Directors, officers and holders of more than 10% of IBIO report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 40 most recent of 40 transactions on file: 11 with code P, 0 with code S and 29 with other codes.

DateInsiderCodeShares
Oct 14, 2026Stoner ElizabethA Award38,000
Oct 14, 2026Kropotova AlexandraA Award38,000
Oct 14, 2026Sender GaryA Award38,000
Oct 14, 2026Parada Antonio Bernardino GuimaraesA Award38,000
Oct 14, 2026Clark William DA Award38,000
Oct 14, 2026Arkowitz DavidA Award38,000
Jul 31, 2026Carr MollyA Award430,000
May 18, 2026Stoner ElizabethA Award60,000
Mar 26, 2026Banjak MarcP Purchase12,500
Mar 26, 2026Banjak MarcP Purchase1,434
Mar 19, 2026Duran FelipeP Purchase24,835
Mar 19, 2026Brenner MartinP Purchase12,336
Jan 28, 2026Banjak MarcA Award146,000
Jan 28, 2026Duran FelipeA Award179,000
Jan 28, 2026Brenner MartinA Award479,000
Nov 20, 2025Clark William DA Award13,500
Nov 20, 2025Kropotova AlexandraA Award13,500
Nov 20, 2025Arkowitz DavidA Award13,500
Nov 20, 2025Schimmelpennink Evert B.A Award13,500
Nov 20, 2025Parada Antonio Bernardino GuimaraesA Award13,500
Nov 20, 2025Sender GaryA Award13,500
Oct 20, 2025Brenner MartinA Award180,000
Oct 20, 2025Duran FelipeA Award75,000
Oct 20, 2025Banjak MarcA Award55,000
Feb 21, 2025Banjak MarcA Award71,000
Feb 21, 2025Duran FelipeA Award84,700
Feb 21, 2025Brenner MartinA Award230,700
Jan 10, 2025Sender GaryP Purchase9,191
Jan 10, 2025Duran FelipeP Purchase9,191
Jan 10, 2025Brenner MartinP Purchase9,191
Jan 10, 2025Banjak MarcP Purchase9,191
Jan 10, 2025Arkowitz DavidP Purchase18,382
Jan 10, 2025Clark William DP Purchase1,838
Jan 10, 2025Parada Antonio Bernardino GuimaraesP Purchase183,823
Nov 21, 2024Kropotova AlexandraA Award18,900
Nov 21, 2024Clark William DA Award18,900
Nov 21, 2024Arkowitz DavidA Award12,600
Nov 21, 2024Parada Antonio Bernardino GuimaraesA Award12,600
Nov 21, 2024Schimmelpennink Evert B.A Award18,900
Nov 21, 2024Sender GaryA Award18,900

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.