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iBio, Inc.

IBIO Net buying
CIK 0001420720 #4524 in the set updated 20 Sep 2026
Bought (12 mo)
$98.11K
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$0.00
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$0.00
0 of 0 sales
Net
+$98.11K
+$98.11K against sales at will

By person

7 insiders · 4 transactions
0.0×

Dr. Martin B. Brenner holds only 0.0 times base salary in stock. $53.95K of shares against $580.00K in salary for 2026.

Salary from the company's own proxy. The shares are what Dr. Martin B. Brenner last reported holding, valued at $1.76, the price Common Stock was last bought or sold at on the open market here, on 26 Mar 2026.

Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Duran Felipe
Chief Financial Officer
$50.13K (1)
+$50.13K
35,974
$63.31K
+1,747%
Brenner Martin
See Remarks
$24.92K (1)
+$24.92K
30,652
$53.95K
+235.9%
Banjak Marc
Chief Legal Officer
$23.06K (2)
+$23.06K
25,000
$44.00K
+1,233%
Parada Antonio Bernardino Guimaraes
Director
183,823
$323.53K
Arkowitz David
Director
18,382
$32.35K
Sender Gary
Director
9,191
$16.18K
Clark William D
Director
1,838
$3.23K

No percentages here. This company's share count has moved by a factor of 5.8 over the window, from 8,637,895 to 49,678,561 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.

Insider
Date
Role
Action
Shares
Price
Amount
Banjak Marc
26 Mar 2026
Chief Legal Officer
Buy
1,434
$1.76
$2.52K
Banjak Marc
26 Mar 2026
Chief Legal Officer
Buy
12,500
$1.64
$20.53K
Brenner Martin
19 Mar 2026
See Remarks
Buy
12,336
$2.02
$24.92K
Duran Felipe
19 Mar 2026
Chief Financial Officer
Buy
24,835
$2.02
$50.13K

What was left out

Form 4 filings counted 17
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 0
Transactions with no price 0
Shares from compensation/vesting 0
History held since 27 Feb 2017