• $22.7M
    Market Cap
  • -61.53%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK FUNDING, INC. /DE
12.43%
551,861
+274 (+0.05%)
Dec 31, 2024
BLACKROCK INC.
12.39%
550,241
+42,046 (+7.64%)
Jun 30, 2024
VERSANT VENTURE MANAGEMENT, LLC
6.07%
269,772
0 (0.00%)
Dec 31, 2025
N/A
5.27%
233,888
+233,888 (+100.00%)
Mar 31, 2026
VANGUARD GROUP INC
3.66%
162,560
0 (0.00%)
Dec 31, 2025
NEA MANAGEMENT COMPANY, LLC
2.65%
117,785
0 (0.00%)
Dec 31, 2021
GEODE CAPITAL MANAGEMENT, LLC
1.96%
86,990
+42,878 (+49.29%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions45.5M (79.21%)
  • Mutual Funds6.3M (10.96%)
  • Insiders5.7M (9.83%)
  • Other0 (0.00%)

Insider Transactions

  • 9.83% (5.7M)
    Current InsiderOwnership (%, shares)
  • 0
    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
Trojanowski Justin
Corporate Controller
Award
Mar 31, 2026
$0.00
22,000
$0.00
22,000
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
Pellizzari Christine A
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
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
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
Whiting Samuel
Chief Medical Officer
Award
Jan 02, 2025
$0.00
270,000
$0.00
270,000
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
Versant Venture Capital VI, L.P.
Sell
Aug 12, 2024
$426,992.90
387,999
$1.10
209,941
Versant Venture Capital VI, L.P.
Sell
Aug 08, 2024
$540,040.00
400,000
$1.35
597,940
Brady Stephen R
President and CEO
Buy
Jul 03, 2024
$73,850.00
35,000
$2.11
46,376
Whiting Samuel
Chief Medical Officer
Buy
Jul 02, 2024
$9,951.36
4,672
$2.13
9,573
Trojanowski Justin
Corporate Controller
Buy
Jun 28, 2024
$16,200.00
7,500
$2.16
22,168
Pellizzari Christine A
Award
Jun 13, 2024
$0.00
16,000
$0.00
16,000
Simantov Ronit
Award
Jun 13, 2024
$0.00
16,000
$0.00
16,000
RAAB MICHAEL
Award
Jun 13, 2024
$0.00
16,000
$0.00
16,000
NICHOL GEOFFREY
Award
Jun 13, 2024
$0.00
16,000
$0.00
16,000
Simantov Ronit
Award
Jun 13, 2024
$0.00
16,000
$0.00
16,000
RAAB MICHAEL
Award
Jun 13, 2024
$0.00
16,000
$0.00
16,000
Pellizzari Christine A
Award
Jun 13, 2024
$0.00
16,000
$0.00
16,000
NICHOL GEOFFREY
Award
Jun 13, 2024
$0.00
16,000
$0.00
16,000