• $13.4M
    Market Cap
  • -84.17%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK FUNDING, INC. /DE
3.45%
551,861
+274 (+0.05%)
Dec 31, 2024
BLACKROCK INC.
3.44%
550,241
+42,046 (+7.64%)
Jun 30, 2024
SABBY MANAGEMENT, LLC
3.20%
511,286
+493,430 (+96.51%)
Jun 30, 2026
VERSANT VENTURE MANAGEMENT, LLC
1.69%
269,772
0 (0.00%)
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
1.46%
233,888
0 (0.00%)
Jun 30, 2026
N/A
1.46%
233,888
+233,888 (+100.00%)
Mar 31, 2026
VANGUARD GROUP INC
1.02%
162,560
0 (0.00%)
Dec 31, 2025

Current Ownership Distribution

  • Institutions46.6M (77.90%)
  • Mutual Funds7.5M (12.60%)
  • Insiders5.7M (9.50%)
  • Other0 (0.00%)

Insider Transactions

  • 9.50% (5.7M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $0.00
    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
Yee John D.
Award
Jun 04, 2026
$0.00
25,000
$0.00
25,000
Trojanowski Justin
Corporate Controller
Award
Mar 31, 2026
$0.00
22,000
$0.00
22,000
Angel Matthew
CEO and President
Buy
Mar 24, 2026
$0.00
231,482
$0.00
231,482
Angel Matthew
CEO and President
Buy
Mar 24, 2026
$0.00
231,482
$0.00
231,482
Angel Matthew
CEO and President
Buy
Mar 24, 2026
$500,001.12
231,482
$2.16
231,482
Angel Matthew
CEO and President
Award
Feb 04, 2026
$0.00
269,621
$0.00
269,621
RAAB MICHAEL
Award
Jan 27, 2026
$0.00
1,230
$0.00
1,230
NICHOL GEOFFREY
Award
Jan 27, 2026
$0.00
1,230
$0.00
1,230
Simantov Ronit
Award
Jan 27, 2026
$0.00
1,230
$0.00
1,230
Pellizzari Christine A
Award
Jan 27, 2026
$0.00
1,230
$0.00
1,230
Whiting Samuel
Chief Medical Officer
Award
Jan 02, 2025
$0.00
270,000
$0.00
270,000
Trojanowski Justin
Corporate Controller
Award
Jan 02, 2025
$0.00
30,000
$0.00
30,000
Trojanowski Justin
Corporate Controller
Award
Jan 02, 2025
$0.00
30,000
$0.00
30,000
Whiting Samuel
Chief Medical Officer
Award
Jan 02, 2025
$0.00
270,000
$0.00
270,000
Maestas Nicholas
Chief Financial Officer
Award
Jan 02, 2025
$0.00
200,000
$0.00
200,000
Maestas Nicholas
Chief Financial Officer
Award
Jan 02, 2025
$0.00
200,000
$0.00
200,000
Brady Stephen R
President and CEO
Award
Jan 02, 2025
$0.00
550,000
$0.00
550,000
Brady Stephen R
President and CEO
Award
Jan 02, 2025
$0.00
550,000
$0.00
550,000