Insider Transactions Reported by 16 Insiders of iBio, Inc.

Symbol: IBIO on Nasdaq
Location: New York, NY

Quick Takeaways

IBIO - iBio, Inc. has 16 insiders with reported activity on this page.
Net insider value flow over the last year: +$98,106.
Recent transaction rows are available for direct filing-level review.

What Changed

Buy value: $98,106; sell value: $0.
Net share flow: +51,105.

Why This Matters

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Official SEC Source

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to buying over the last 12 months. Net value: +$98,106.

Buys

$98,106

Shares: 51,105

Insiders: 3

Sells

Shares: 0

Insiders: 0

Net

+$98,106

Shares: +51,105

Insiders: 3

Window (months)	Buy shares	Buy $	Sell $	Net $
0-3	51,105	$98,106	$0	+$98,106
3-6	0	$0	$0	$0
6-9	0	$0	$0	$0
9-12	0	$0	$0	$0

iBio, Inc. executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
Antonio Bernardino Guimaraes Parada	Director	$499,999			Filing P/S	20 Nov 2025
Felipe Duran	Chief Financial Officer	$72,617	+$50,132	+223%	Filing P/S	19 Mar 2026
Randy Joe Maddux	Chief Operating Officer	$72,151			Mixed	07 Dec 2021
Martin Brenner	Chief Executive Officer and Chief Scientific Officer, Director	$61,917	+$24,919	+67%	Filing P/S	19 Mar 2026
David Arkowitz	Director	$49,999			Filing P/S	20 Nov 2025
Marc Banjak	Chief Legal Officer	$44,000	+$23,055	+110%	Filing P/S	26 Mar 2026
Robert Matthew Lutz	Chief Financial & Business Officer and Principal Accounting Officer	$27,125			Mixed	11 Nov 2022
Gary Sender	Director	$25,000			Filing P/S	20 Nov 2025
William D. Clark	Director	$4,999			Filing P/S	20 Nov 2025
John D. McKey Jr.	Director				Mixed	09 Dec 2021
General Hill (ret) James T.	Director				Mixed	09 Dec 2021
Alexandra Kropotova	Director				Mixed	20 Nov 2025
Evert B. Schimmelpennink	Director				Mixed	20 Nov 2025
Glenn Chang	Director				Mixed	09 Dec 2021
Thomas F. Isett	CEO and Executive Chairman, Director				Mixed	08 Sep 2022
Linda Washington Armstrong	Director				Mixed	09 Dec 2021

Top shareholders of iBio, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Point72 Asset Management, L.P.	13D/G	—	9.9%	14,289,118	$9,716,600	$0	22 Aug 2025	13D/G
Affinity Asset Advisors, LLC	13D/G 13F	Company	10%	2,401,616	$4,627,194	+$424,252	22 Jan 2026	13D/G 13F
EcoR1 Capital, LLC	13F 13D/G	Company	9.9% from 13D/G	2,228,000	$4,300,040	—	31 Dec 2025	13F 13D/G
Logos Global Management LP	13F 13D/G	Company	4.6% from 13D/G	2,000,000	$3,860,000	—	31 Dec 2025	13F 13D/G
Frazier Life Sciences Management, L.P.	13F	Company	6.4%	1,953,467	$3,770,191	—	31 Dec 2025	13F
Vestal Point Capital, LP	13D/G	—	9.9%	4,275,000	$3,518,752	$0	30 Sep 2025	13D/G
ADAR1 Capital Management, LLC	13D/G 13F	Company	4.4%	1,351,671	$3,433,244	-$1,123,655	31 Dec 2025	13D/G 13F
INTEGRATED CORE STRATEGIES (US) LLC	13D/G	Millennium Management LLC	5.2%	1,235,827	$2,381,068	$0	15 Jan 2026	13D/G
Frazier Life Sciences Public Fund, L.P.	13D/G	—	8.7%	1,953,467	$2,344,160	$0	09 Dec 2025	13D/G
BALYASNY ASSET MANAGEMENT L.P.	13F	Company	3.6%	1,096,179	$2,115,625	—	31 Dec 2025	13F
Cormorant Asset Management, LP	13D/G	—	10%	2,248,010	$1,850,337	$0	30 Sep 2025	13D/G
Ikarian Capital, LLC	13F 13D/G	Company	5% from 13D/G	957,062	$1,847,130	—	31 Dec 2025	13F 13D/G
Adage Capital Management, L.P.	13D/G	—	10%	2,181,422	$1,795,528	$0	30 Sep 2025	13D/G
SILVERARC CAPITAL MANAGEMENT, LLC	13D/G 13F	Company	10%	2,181,422	$1,795,528	$0	30 Sep 2025	13D/G 13F
VANGUARD GROUP INC	13F	Company	2.9%	883,149	$1,704,478	—	31 Dec 2025	13F
Sio Capital Management, LLC	13F	Company	2.4%	740,000	$1,428,200	—	31 Dec 2025	13F
AMERIPRISE FINANCIAL INC	13F	Company	1.9%	584,368	$1,127,831	—	31 Dec 2025	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	1.5%	456,333	$880,723	—	31 Dec 2025	13F
Opaleye Management Inc.	13D/G	—	7.6%	750,000	$787,500	$0	31 Dec 2024	13D/G
RENAISSANCE TECHNOLOGIES LLC	13F	Company	1.2%	353,339	$681,944	—	31 Dec 2025	13F
Patrick J. Crutcher	13D/G	—	3.1%	847,044	$635,283	+$112,748	30 Jun 2025	13D/G
Monashee Investment Management LLC	13F	Company	0.89%	274,862	$530,484	—	31 Dec 2025	13F
Antonio Bernardino Guimaraes Parada	3/4/5	Director	— mixed-class rows	197,323 mixed-class rows	$499,999	—	20 Nov 2025	3/4/5
BOOTHBAY FUND MANAGEMENT, LLC	13F	Company	0.83%	254,412	$491,015	—	31 Dec 2025	13F
Hudson Bay Capital Management LP	13F	Company	0.79%	242,076	$467,207	—	31 Dec 2025	13F
NOESIS CAPITAL MANGEMENT CORP	13F	Company	0.73%	224,200	$432,706	—	31 Dec 2025	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.72%	222,610	$429,637	—	31 Dec 2025	13F
Walleye Capital LLC	13F	Company	0.65%	198,375	$382,864	—	31 Dec 2025	13F
Jefferies Financial Group Inc.	13F	Company	0.52%	160,000	$308,800	—	31 Dec 2025	13F
UBS Group AG	13F	Company	0.41%	126,556	$244,253	—	31 Dec 2025	13F
MARSHALL WACE, LLP	13F	Company	0.39%	121,286	$234,082	—	31 Dec 2025	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.38%	115,793	$223,481	—	31 Dec 2025	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.35%	108,400	$209,212	—	31 Dec 2025	13F
JANE STREET GROUP, LLC	13F	Company	0.34%	105,700	$204,001	—	31 Dec 2025	13F
Mountain Capital Investment Advisors Inc.	13F	Company	0.21%	63,000	$141,750	—	31 Dec 2025	13F
STATE STREET CORP	13F	Company	0.24%	72,899	$140,695	—	31 Dec 2025	13F
BlackRock, Inc.	13F	Company	0.14%	42,727	$82,463	—	31 Dec 2025	13F
NORTHERN TRUST CORP	13F	Company	0.13%	40,314	$77,806	—	31 Dec 2025	13F
Persistent Asset Partners Ltd	13F	Company	0.13%	39,585	$76,399	—	31 Dec 2025	13F
Felipe Duran	3/4/5	Chief Financial Officer	— mixed-class rows	214,974 mixed-class rows	$72,617	+$50,132	19 Mar 2026	3/4/5
Randy Joe Maddux	3/4/5	Chief Operating Officer	— class O/S missing	271,757	$72,151	—	07 Dec 2021	3/4/5
XTX Topco Ltd	13F	Company	0.12%	37,014	$71,437	—	31 Dec 2025	13F
Martin Brenner	3/4/5	Chief Executive Officer and Chief Scientific Officer, Director	— mixed-class rows	509,652 mixed-class rows	$61,917	+$24,919	19 Mar 2026	3/4/5
MORGAN STANLEY	13F	Company	0.09%	27,595	$53,259	—	31 Dec 2025	13F
David Arkowitz	3/4/5	Director	— mixed-class rows	31,882 mixed-class rows	$49,999	—	20 Nov 2025	3/4/5
Marc Banjak	3/4/5	Chief Legal Officer	— mixed-class rows	171,000 mixed-class rows	$44,000	+$23,055	26 Mar 2026	3/4/5
PFG Investments, LLC	13F	Company	0.07%	21,500	$41,495	—	31 Dec 2025	13F
Robert Matthew Lutz	3/4/5	Chief Financial & Business Officer and Principal Accounting Officer	— class O/S missing	102,165	$27,125	—	11 Nov 2022	3/4/5
Gary Sender	3/4/5	Director	— mixed-class rows	22,691 mixed-class rows	$25,000	—	20 Nov 2025	3/4/5
Vanguard Personalized Indexing Management, LLC	13F	Company	0.04%	12,491	$24,108	—	31 Dec 2025	13F

Recent Insider Transactions by Companies or Individuals for iBio, Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership
Marc Banjak	IBIO	Common Stock	Purchase	125.9%	$23,055	$1.65	13,934	25,000	26 Mar 2026	Direct
Felipe Duran	IBIO	Common Stock	Purchase	223%	$50,132	$2.02	24,835	35,974	19 Mar 2026	Direct
Martin Brenner	IBIO	Common Stock	Purchase	67.4%	$24,919	$2.02	12,336	30,652	19 Mar 2026	Direct
Marc Banjak	IBIO	Stock Option (right to buy)	Award				146,000	146,000	28 Jan 2026	Direct
Felipe Duran	IBIO	Stock Option (right to buy)	Award				179,000	179,000	28 Jan 2026	Direct
Martin Brenner	IBIO	Stock Option (right to buy)	Award				479,000	479,000	28 Jan 2026	Direct
Evert B. Schimmelpennink	IBIO	Stock Option (right to buy)	Award				13,500	13,500	20 Nov 2025	Direct
William D. Clark	IBIO	Stock Option (right to buy)	Award				13,500	13,500	20 Nov 2025	Direct
Gary Sender	IBIO	Stock Option (right to buy)	Award				13,500	13,500	20 Nov 2025	Direct
Alexandra Kropotova	IBIO	Stock Option (right to buy)	Award				13,500	13,500	20 Nov 2025	Direct
Antonio Bernardino Guimaraes Parada	IBIO	Stock Option (right to buy)	Award				13,500	13,500	20 Nov 2025	Direct
David Arkowitz	IBIO	Stock Option (right to buy)	Award				13,500	13,500	20 Nov 2025	Direct
Felipe Duran	IBIO	Stock Option (right to buy)	Award				75,000	75,000	20 Oct 2025	Direct
Marc Banjak	IBIO	Stock Option (right to buy)	Award				55,000	55,000	20 Oct 2025	Direct
Martin Brenner	IBIO	Stock Option (right to buy)	Award				180,000	180,000	20 Oct 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.