• $94.9M
    Market Cap
  • -49.01%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VOSS CAPITAL, LLC
15.70%
4.4M
+144,393 (+3.29%)
Mar 31, 2026
BIOS CAPITAL MANAGEMENT, LP
7.09%
2.0M
+291,624 (+14.71%)
Mar 31, 2026
VANGUARD GROUP INC
4.17%
1.2M
-2,600 (-0.22%)
Dec 31, 2025
N/A
3.57%
998,521
+998,521 (+100.00%)
Mar 31, 2026
UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGMENT CO
1.83%
511,610
0 (0.00%)
Mar 31, 2026
CABLE CAR CAPITAL LLC
1.50%
420,000
0 (0.00%)
Mar 31, 2026
PROSIGHT MANAGEMENT, LP
1.47%
411,600
-31,000 (-7.53%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions43.3M (86.82%)
  • Mutual Funds5.5M (11.01%)
  • Insiders1.1M (2.18%)
  • Other0 (0.00%)

Insider Transactions

  • 2.18% (1.1M)
    Current InsiderOwnership (%, shares)
  • 2
    Number of InsiderBuying (last 12 months)
  • $3.0M
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
VON RICKENBACH JOSEF H
Buy
May 27, 2026
$4,818.60
4,500
$1.07
62,514
VON RICKENBACH JOSEF H
Buy
May 26, 2026
$24,470.09
23,190
$1.06
58,014
VON RICKENBACH JOSEF H
Buy
May 22, 2026
$16,707.63
15,950
$1.05
34,824
VON RICKENBACH JOSEF H
Buy
May 21, 2026
$3,564.32
3,420
$1.04
18,874
Voss Capital, LLC
Buy
Oct 28, 2025
$247,964.88
178,392
$1.39
500,000
Voss Capital, LLC
Buy
Oct 27, 2025
$126,919.54
92,642
$1.37
822,258
Voss Capital, LLC
Buy
Oct 27, 2025
$6,624.51
4,840
$1.37
321,608
Voss Capital, LLC
Buy
Oct 24, 2025
$41,956.71
30,176
$1.39
729,616
Fairey William
Award
Jul 23, 2025
$0.00
17,500
$0.00
17,500
Aivado Manuel
Award
Jul 23, 2025
$0.00
17,500
$0.00
17,500
VON RICKENBACH JOSEF H
Award
Jul 23, 2025
$0.00
17,500
$0.00
17,500
WINDSOR JAMES BRIAN
President and CEO
Buy
Dec 05, 2024
$535.36
239
$2.24
239
WINDSOR JAMES BRIAN
President and CEO
Buy
Dec 05, 2024
$362.25
161
$2.25
161
WINDSOR JAMES BRIAN
President and CEO
Award
Dec 02, 2024
$0.00
517,500
$0.00
517,500
Ambros Reinhard J.
Award
Dec 02, 2024
$0.00
35,000
$0.00
35,000
VON RICKENBACH JOSEF H
Award
Dec 02, 2024
$0.00
35,000
$0.00
35,000
Musso Alan A
Award
Dec 02, 2024
$0.00
35,000
$0.00
35,000
Fairey William
Award
Dec 02, 2024
$0.00
35,000
$0.00
35,000
Aivado Manuel
Award
Dec 02, 2024
$0.00
35,000
$0.00
35,000
Ambros Reinhard J.
Award
Aug 20, 2024
$0.00
2,725
$0.00
2,725
Musso Alan A
Award
Aug 20, 2024
$0.00
2,725
$0.00
2,725
Aivado Manuel
Award
Aug 20, 2024
$0.00
2,725
$0.00
2,725
VON RICKENBACH JOSEF H
Award
Aug 20, 2024
$0.00
2,725
$0.00
2,725
Fairey William
Award
Aug 20, 2024
$0.00
2,725
$0.00
2,725
UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO
Sell
Jun 17, 2024
$15,297.75
4,707
$3.25
1.7M
UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO
Sell
Jun 14, 2024
$6,270.00
1,900
$3.30
1.8M
UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO
Sell
Jun 12, 2024
$30,358.25
9,341
$3.25
1.8M
UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO
Sell
Jun 12, 2024
$3.27
1
$3.27
1.8M
UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO
Sell
Jun 11, 2024
$17,062.50
5,250
$3.25
1.8M
UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO
Sell
Jun 11, 2024
$1,681.70
502
$3.35
1.8M