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United States Pharmaceuticals

Ibio Inc (IBIO)

Track

Over the last 90 days, Ibio Inc. has seen insider buying totaling $98,106, with three executives making net purchases. This activity represents a small fraction of the company's float. Recent transactions show executives purchasing shares, contrasting with earlier sell transactions by Martin Brenner.
Stock chart
Ticker: IBIO Exchange: ASE
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Banjak Marc
Chief Legal Officer
2 purchases — total 23,055 USD
Buy 26 Mar 2026
Value US$2,505,117.72 | Price 396.89 | Shares 62,152
Buy 26 Mar 2026
Value US$1,062,180.96 | Price 82.29 | Shares 38,844
Buy 19 Mar 2026
Value US$4,062,933.45 | Price 160.64 | Shares 70,923
Buy 19 Mar 2026
Value US$50,131.93 | Price 2.02 | Shares 24,835
Buy 10 Jan 2025
Value US$24,999.52 | Price 2.72 | Shares 9,191
Buy 10 Jan 2025
Value US$24,999.52 | Price 2.72 | Shares 9,191
Buy 10 Jan 2025
Value US$49,999.04 | Price 2.72 | Shares 18,382
Buy 10 Jan 2025
Value US$24,999.52 | Price 2.72 | Shares 9,191
Buy 10 Jan 2025
Value US$499,998.56 | Price 2.72 | Shares 183,823
Buy 10 Jan 2025
Value US$4,999.36 | Price 2.72 | Shares 1,838
Buy 10 Jan 2025
Value US$24,999.52 | Price 2.72 | Shares 9,191
Sale 1 Nov 2023
Value US$1,295.91 | Price 0.27 | Shares 4,881
Sale 3 Oct 2023
Value US$1,591.69 | Price 0.30 | Shares 5,267
Sale 2 Oct 2023
Value US$1,310.86 | Price 0.31 | Shares 4,215
Sale 28 Aug 2023
Value US$1,528.86 | Price 0.31 | Shares 5,011
Sale 27 Jul 2023
Value US$17.85 | Price 0.51 | Shares 35
Sale 27 Jul 2023
Value US$2,289.73 | Price 0.51 | Shares 4,480
Sale 12 Jul 2023
Value US$27,520.81 | Price 0.59 | Shares 47,020
Sale 21 Jun 2023
Value US$68.32 | Price 0.68 | Shares 100
Sale 21 Jun 2023
Value US$154.51 | Price 0.69 | Shares 225
Sale 21 Jun 2023
Value US$2,626.05 | Price 0.68 | Shares 3,859
Sale 22 May 2023
Value US$22.68 | Price 0.95 | Shares 24
Sale 22 May 2023
Value US$3,887.73 | Price 0.94 | Shares 4,158
Sale 24 Apr 2023
Value US$5,257.52 | Price 1.20 | Shares 4,382
Sale 23 Mar 2023
Value US$11,111.51 | Price 2.13 | Shares 5,213
Sale 21 Feb 2023
Value US$7,037.52 | Price 1.77 | Shares 3,976
Sale 10 Mar 2022
Value US$8,510.40 | Price 0.35 | Shares 24,625
Sale 7 Dec 2021
Value US$25,444.42 | Price 0.68 | Shares 37,243
Sale 11 Aug 2020
Value US$46,330,498.89 | Price 2.92 | Shares 15,864,436
Sale 10 Aug 2020
Value US$28,429,592.29 | Price 3.91 | Shares 7,264,864
Sale 7 Aug 2020
Value US$5,185,591.98 | Price 3.83 | Shares 1,355,604
Sale 6 Aug 2020
Value US$11,570,535.85 | Price 4.18 | Shares 2,768,137
Sale 5 Aug 2020
Value US$4,013,550.00 | Price 4.46 | Shares 900,000
Sale 4 Aug 2020
Value US$2,636,640.00 | Price 4.39 | Shares 600,000
Sale 4 Jun 2020
Value US$48,338.28 | Price 1.71 | Shares 28,268
Sale 2 Jun 2020
Value US$155,720.88 | Price 1.62 | Shares 96,124
Sale 27 May 2020
Value US$18,112.50 | Price 1.61 | Shares 11,250
Buy 12 Jul 2018
Value US$1,980,000.00 | Price 0.90 | Shares 2,200,000
Buy 26 Jun 2018
Value US$1,515,000.60 | Price 0.90 | Shares 1,683,334
Buy 30 Nov 2017
Value US$2,400,000.00 | Price 0.20 | Shares 12,000,000
Buy 23 Feb 2017
Value US$0.00 | Price 0.00 | Shares 1
Buy 7 Apr 2016
Value US$4,043,000.00 | Price 0.62 | Shares 6,500,000
Buy 25 Jan 2016
Value US$2,177,000.00 | Price 0.62 | Shares 3,500,000
Sale 17 Sep 2014
Value US$42,332.00 | Price 0.76 | Shares 55,700
Sale 16 Sep 2014
Value US$18,824.40 | Price 0.63 | Shares 29,880
Sale 15 Sep 2014
Value US$31,878.00 | Price 0.60 | Shares 53,130
Sale 3 Feb 2014
Value US$15,855.40 | Price 0.55 | Shares 28,828
Sale 31 Jan 2014
Value US$30,737.84 | Price 0.56 | Shares 54,889
Sale 30 Jan 2014
Value US$10,538.00 | Price 0.55 | Shares 19,160
Sale 29 Jan 2014
Value US$12,028.24 | Price 0.56 | Shares 21,479
Sale 28 Jan 2014
Value US$33,209.55 | Price 0.55 | Shares 60,381
Sale 24 Jan 2014
Value US$29,045.76 | Price 0.62 | Shares 46,848
Sale 13 Aug 2013
Value US$18,844.50 | Price 0.50 | Shares 37,689
Sale 8 Aug 2013
Value US$59,869.33 | Price 0.53 | Shares 112,961
Sale 8 Aug 2013
Value US$81,165.70 | Price 0.55 | Shares 147,574
Sale 7 Aug 2013
Value US$16,174.65 | Price 0.51 | Shares 31,715
Sale 7 Aug 2013
Value US$16,393.95 | Price 0.51 | Shares 32,145
Sale 6 Aug 2013
Value US$15,200.00 | Price 0.50 | Shares 30,400
Sale 5 Aug 2013
Value US$11,559.15 | Price 0.51 | Shares 22,665
Sale 2 Aug 2013
Value US$33,475.00 | Price 0.50 | Shares 66,950
Sale 1 Aug 2013
Value US$5,450.00 | Price 0.50 | Shares 10,900
Sale 31 Jul 2013
Value US$11,047.50 | Price 0.50 | Shares 22,095
Sale 30 Jul 2013
Value US$9,700.20 | Price 0.51 | Shares 19,020
Sale 29 Jul 2013
Value US$7,792.50 | Price 0.50 | Shares 15,585
Sale 26 Jul 2013
Value US$10,147.50 | Price 0.50 | Shares 20,295
Sale 25 Jul 2013
Value US$3,549.60 | Price 0.51 | Shares 6,960
Sale 23 Jul 2013
Value US$20,127.15 | Price 0.51 | Shares 39,465
Buy 19 Jul 2013
Value US$900,993.08 | Price 0.52 | Shares 1,732,679
Sale 27 Jun 2012
Value US$114,000.00 | Price 0.76 | Shares 150,000
Sale 16 Mar 2012
Value US$17,575.47 | Price 0.99 | Shares 17,753
Sale 16 Mar 2012
Value US$104.00 | Price 1.04 | Shares 100
Sale 15 Mar 2012
Value US$3,373.92 | Price 0.99 | Shares 3,408
Sale 14 Mar 2012
Value US$3,960.00 | Price 0.99 | Shares 4,000
Sale 14 Mar 2012
Value US$1,242.00 | Price 1.08 | Shares 1,150
Sale 13 Mar 2012
Value US$19,037.70 | Price 1.10 | Shares 17,307
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-03-27 2026-03-26 B Purchase
1.5
Banjak Marc

Chief Legal Officer

Officer
62,152 -27.4%
396.89
US$2,505,118 		62,152 -27.4% 396.89 US$2,505,118
2026-03-27 2026-03-26 B Purchase
1.5
Banjak Marc

Chief Legal Officer

Officer
38,844 +25.7%
82.29
US$1,062,181 		38,844 +25.7% 82.29 US$1,062,181
2026-03-23 2026-03-19 B Purchase
4.0
Brenner Martin

See Remarks

Executive Director
70,923 -39.5%
160.64
US$4,062,933 		70,923 -39.5% 160.64 US$4,062,933
2026-03-23 2026-03-19 B Purchase
1.2
Duran Felipe

Chief Financial Officer

Officer
24,835 +223.0%
2.02
US$50,132 		24,835 +223.0% 2.02 US$50,132
2025-01-13 2025-01-10 B Purchase
1.2
Duran Felipe

Chief Financial Officer

Officer
9,191 +471.8%
2.72
US$25,000 		9,191 +471.8% 2.72 US$25,000
2025-01-13 2025-01-10 B Purchase
1.5
Banjak Marc

Chief Legal Officer

Officer
9,191 +490.2%
2.72
US$25,000 		9,191 +490.2% 2.72 US$25,000
2025-01-13 2025-01-10 B Purchase
1.4
Arkowitz David
Non-Executive Director
18,382 +inf%
2.72
US$49,999 		18,382 +inf% 2.72 US$49,999
2025-01-13 2025-01-10 B Purchase
1.4
Sender Gary
Non-Executive Director
9,191 +inf%
2.72
US$25,000 		9,191 +inf% 2.72 US$25,000
2025-01-13 2025-01-10 B Purchase
1.4
Parada Antonio Bernardino Guimaraes
Non-Executive Director
183,823 +inf%
2.72
US$499,999 		183,823 +inf% 2.72 US$499,999
2025-01-13 2025-01-10 B Purchase
1.4
Clark William D
Non-Executive Director
1,838 +inf%
2.72
US$4,999 		1,838 +inf% 2.72 US$4,999
2025-01-13 2025-01-10 B Purchase
4.0
Brenner Martin

See Remarks

Executive Director
9,191 +100.7%
2.72
US$25,000 		9,191 +100.7% 2.72 US$25,000
2023-11-03 2023-11-01 S Sale
4.0
Brenner Martin

See Remarks

Officer
4,881 -2.6%
0.27
US$1,296 		4,881 -2.6% 0.27 US$1,296
2023-10-05 2023-10-03 S Sale
4.0
Brenner Martin

See Remarks

Officer
5,267 -2.7%
0.30
US$1,592 		5,267 -2.7% 0.30 US$1,592
2023-10-03 2023-10-02 S Sale
4.0
Brenner Martin

See Remarks

Officer
4,215 -2.1%
0.31
US$1,311 		4,215 -2.1% 0.31 US$1,311
2023-08-30 2023-08-28 S Sale
4.0
Brenner Martin

See Remarks

Officer
5,011 -2.5%
0.31
US$1,529 		5,011 -2.5% 0.31 US$1,529
2023-07-28 2023-07-27 S Sale
4.0
Brenner Martin

See Remarks

Officer
35 -0.0%
0.51
US$18 		35 -0.0% 0.51 US$18
2023-07-28 2023-07-27 S Sale
4.0
Brenner Martin

See Remarks

Officer
4,480 -2.2%
0.51
US$2,290 		4,480 -2.2% 0.51 US$2,290
2023-07-13 2023-07-12 S Sale
4.0
Brenner Martin

See Remarks

Officer
47,020 -18.6%
0.59
US$27,521 		47,020 -18.6% 0.59 US$27,521
2023-06-22 2023-06-21 S Sale
4.0
Brenner Martin

See Remarks

Officer
100 -0.0%
0.68
US$68 		100 -0.0% 0.68 US$68
2023-06-22 2023-06-21 S Sale
4.0
Brenner Martin

See Remarks

Officer
225 -0.1%
0.69
US$155 		225 -0.1% 0.69 US$155
2023-06-22 2023-06-21 S Sale
4.0
Brenner Martin

See Remarks

Officer
3,859 -1.5%
0.68
US$2,626 		3,859 -1.5% 0.68 US$2,626
2023-05-24 2023-05-22 S Sale
4.0
Brenner Martin

See Remarks

Officer
24 -0.0%
0.95
US$23 		24 -0.0% 0.95 US$23
2023-05-24 2023-05-22 S Sale
4.0
Brenner Martin

See Remarks

Officer
4,158 -1.6%
0.94
US$3,888 		4,158 -1.6% 0.94 US$3,888
2023-04-24 2023-04-24 S Sale
4.0
Brenner Martin

See Remarks

Officer
4,382 -1.6%
1.20
US$5,258 		4,382 -1.6% 1.20 US$5,258
2023-03-28 2023-03-23 S Sale
4.0
Brenner Martin

See Remarks

Officer
5,213 -2.4%
2.13
US$11,112 		5,213 -2.4% 2.13 US$11,112
2023-02-23 2023-02-21 S Sale
4.0
Brenner Martin

See Remarks

Officer
3,976 -1.8%
1.77
US$7,038 		3,976 -1.8% 1.77 US$7,038
2022-03-14 2022-03-10 S Sale
2.2
Lutz Robert Matthew

See Remarks

Officer
24,625 -10.6%
0.35
US$8,510 		24,625 -10.6% 0.35 US$8,510
2022-03-14 2021-12-07 S Sale
3.4
Maddux Randy Joe

Chief Operating Officer

Officer
37,243 -12.1%
0.68
US$25,444 		37,243 -12.1% 0.68 US$25,444
2020-08-11 2020-08-11 S Sale
3.7
Eastern Capital LTD
Large shareholder
15,864,436 -64.8%
2.92
US$46,330,499 		15,864,436 -64.8% 2.92 US$46,330,499
2020-08-11 2020-08-10 S Sale
3.7
Eastern Capital LTD
Large shareholder
7,264,864 -22.9%
3.91
US$28,429,592 		7,264,864 -22.9% 3.91 US$28,429,592
2020-08-11 2020-08-07 S Sale
3.7
Eastern Capital LTD
Large shareholder
1,355,604 -4.1%
3.83
US$5,185,592 		1,355,604 -4.1% 3.83 US$5,185,592
2020-08-06 2020-08-06 S Sale
3.7
Eastern Capital LTD
Large shareholder
2,768,137 -7.7%
4.18
US$11,570,536 		2,768,137 -7.7% 4.18 US$11,570,536
2020-08-06 2020-08-05 S Sale
3.7
Eastern Capital LTD
Large shareholder
900,000 -2.4%
4.46
US$4,013,550 		900,000 -2.4% 4.46 US$4,013,550
2020-08-06 2020-08-04 S Sale
3.7
Eastern Capital LTD
Large shareholder
600,000 -1.6%
4.39
US$2,636,640 		600,000 -1.6% 4.39 US$2,636,640
2020-06-08 2020-06-04 S Sale
0.9
ERWIN ROBERT L

President

Officer
28,268 -20.7%
1.71
US$48,338 		28,268 -20.7% 1.71 US$48,338
2020-06-05 2020-06-02 S Sale
0.9
ERWIN ROBERT L

President

Officer
96,124 -41.3%
1.62
US$155,721 		96,124 -41.3% 1.62 US$155,721
2020-05-29 2020-05-27 S Sale
0.6
Mullaney James P.

Chief Financial Officer

Officer
11,250 -100.0%
1.61
US$18,112 		11,250 -100.0% 1.61 US$18,112
2018-07-13 2018-07-12 B Purchase Eastern Capital LTD Large shareholder
2,200,000 +35.2%
0.90
US$1,980,000 		2,200,000 +35.2% 0.90 US$1,980,000
2018-06-28 2018-06-26 B Purchase Eastern Capital LTD Large shareholder
1,683,334 +36.8%
0.90
US$1,515,001 		1,683,334 +36.8% 0.90 US$1,515,001
2017-12-04 2017-11-30 B Purchase Eastern Capital LTD Large shareholder
12,000,000 +35.6%
0.20
US$2,400,000 		12,000,000 +35.6% 0.20 US$2,400,000
2017-02-27 2017-02-23 B Purchase DART KENNETH BRYAN Large shareholder
1
0.00
US$0 		1 0.00 US$0
2016-04-11 2016-04-07 B Purchase Eastern Capital LTD Large shareholder
6,500,000 +23.9%
0.62
US$4,043,000 		6,500,000 +23.9% 0.62 US$4,043,000
2016-01-27 2016-01-25 B Purchase Eastern Capital LTD Large shareholder
3,500,000 +15.9%
0.62
US$2,177,000 		3,500,000 +15.9% 0.62 US$2,177,000
2014-09-18 2014-09-17 S Sale DESANTIS CARL Large shareholder
55,700 -1.0%
0.76
US$42,332 		55,700 -1.0% 0.76 US$42,332
2014-09-18 2014-09-16 S Sale DESANTIS CARL Large shareholder
29,880 -0.5%
0.63
US$18,824 		29,880 -0.5% 0.63 US$18,824
2014-09-18 2014-09-15 S Sale DESANTIS CARL Large shareholder
53,130 -0.9%
0.60
US$31,878 		53,130 -0.9% 0.60 US$31,878
2014-02-04 2014-02-03 S Sale DESANTIS CARL Large shareholder
28,828 -0.5%
0.55
US$15,855 		28,828 -0.5% 0.55 US$15,855
2014-01-31 2014-01-31 S Sale DESANTIS CARL Large shareholder
54,889 -0.9%
0.56
US$30,738 		54,889 -0.9% 0.56 US$30,738
2014-01-31 2014-01-30 S Sale DESANTIS CARL Large shareholder
19,160 -0.3%
0.55
US$10,538 		19,160 -0.3% 0.55 US$10,538
2014-01-29 2014-01-29 S Sale DESANTIS CARL Large shareholder
21,479 -0.4%
0.56
US$12,028 		21,479 -0.4% 0.56 US$12,028
2014-01-29 2014-01-28 S Sale DESANTIS CARL Large shareholder
60,381 -1.0%
0.55
US$33,210 		60,381 -1.0% 0.55 US$33,210
2014-01-29 2014-01-24 S Sale DESANTIS CARL Large shareholder
46,848 -0.8%
0.62
US$29,046 		46,848 -0.8% 0.62 US$29,046
2013-09-03 2013-08-13 S Sale DESANTIS CARL Large shareholder
37,689 -0.6%
0.50
US$18,844 		37,689 -0.6% 0.50 US$18,844
2013-09-03 2013-08-08 S Sale DESANTIS CARL Large shareholder
112,961 -1.8%
0.53
US$59,869 		112,961 -1.8% 0.53 US$59,869
2013-09-03 2013-08-08 S Sale DESANTIS CARL Large shareholder
147,574 -2.3%
0.55
US$81,166 		147,574 -2.3% 0.55 US$81,166
2013-09-03 2013-08-07 S Sale DESANTIS CARL Large shareholder
31,715 -0.5%
0.51
US$16,175 		31,715 -0.5% 0.51 US$16,175
2013-09-03 2013-08-07 S Sale DESANTIS CARL Large shareholder
32,145 -0.5%
0.51
US$16,394 		32,145 -0.5% 0.51 US$16,394
2013-09-03 2013-08-06 S Sale DESANTIS CARL Large shareholder
30,400 -0.5%
0.50
US$15,200 		30,400 -0.5% 0.50 US$15,200
2013-09-03 2013-08-05 S Sale DESANTIS CARL Large shareholder
22,665 -0.3%
0.51
US$11,559 		22,665 -0.3% 0.51 US$11,559
2013-09-03 2013-08-02 S Sale DESANTIS CARL Large shareholder
66,950 -1.0%
0.50
US$33,475 		66,950 -1.0% 0.50 US$33,475
2013-09-03 2013-08-01 S Sale DESANTIS CARL Large shareholder
10,900 -0.2%
0.50
US$5,450 		10,900 -0.2% 0.50 US$5,450
2013-09-03 2013-07-31 S Sale DESANTIS CARL Large shareholder
22,095 -0.3%
0.50
US$11,048 		22,095 -0.3% 0.50 US$11,048
2013-09-03 2013-07-30 S Sale DESANTIS CARL Large shareholder
19,020 -0.3%
0.51
US$9,700 		19,020 -0.3% 0.51 US$9,700
2013-09-03 2013-07-29 S Sale DESANTIS CARL Large shareholder
15,585 -0.2%
0.50
US$7,792 		15,585 -0.2% 0.50 US$7,792
2013-09-03 2013-07-26 S Sale DESANTIS CARL Large shareholder
20,295 -0.3%
0.50
US$10,148 		20,295 -0.3% 0.50 US$10,148
2013-09-03 2013-07-25 S Sale DESANTIS CARL Large shareholder
6,960 -0.1%
0.51
US$3,550 		6,960 -0.1% 0.51 US$3,550
2013-09-03 2013-07-23 S Sale DESANTIS CARL Large shareholder
39,465 -0.6%
0.51
US$20,127 		39,465 -0.6% 0.51 US$20,127
2013-09-03 2013-07-19 B Purchase DESANTIS CARL Large shareholder
1,732,679 +34.4%
0.52
US$900,993 		1,732,679 +34.4% 0.52 US$900,993
2012-06-29 2012-06-27 S Sale
1.8
KAY E GERALD
Large shareholder
150,000 -3.5%
0.76
US$114,000 		150,000 -3.5% 0.76 US$114,000
2012-03-16 2012-03-16 S Sale MCKEY JOHN D JR Non-Executive Director
17,753 -2.0%
0.99
US$17,575 		17,753 -2.0% 0.99 US$17,575
2012-03-16 2012-03-16 S Sale MCKEY JOHN D JR Non-Executive Director
100 -0.0%
1.04
US$104 		100 -0.0% 1.04 US$104
2012-03-16 2012-03-15 S Sale MCKEY JOHN D JR Non-Executive Director
3,408 -0.4%
0.99
US$3,374 		3,408 -0.4% 0.99 US$3,374
2012-03-16 2012-03-14 S Sale MCKEY JOHN D JR Non-Executive Director
4,000 -0.4%
0.99
US$3,960 		4,000 -0.4% 0.99 US$3,960
2012-03-16 2012-03-14 S Sale MCKEY JOHN D JR Non-Executive Director
1,150 -0.1%
1.08
US$1,242 		1,150 -0.1% 1.08 US$1,242
2012-03-14 2012-03-13 S Sale MCKEY JOHN D JR Non-Executive Director
17,307 -1.9%
1.10
US$19,038 		17,307 -1.9% 1.10 US$19,038
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