• $15.2M
    Market Cap
  • -37.93%
    1-Year Change
  • Medical Devices
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
PERCEPTIVE ADVISORS LLC
64.88%
9.9M
0 (0.00%)
Mar 31, 2026
SIO CAPITAL MANAGEMENT, LLC
8.46%
1.3M
0 (0.00%)
Mar 31, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
8.27%
1.3M
0 (0.00%)
Mar 31, 2026
ADAR1 CAPITAL MANAGEMENT, LLC
7.92%
1.2M
+45,833 (+3.80%)
Mar 31, 2026
ALYESKA INVESTMENT GROUP, L.P.
7.62%
1.2M
0 (0.00%)
Mar 31, 2026
SILVERARC CAPITAL MANAGEMENT, LLC
1.66%
251,972
-263,412 (-104.54%)
Mar 31, 2026
SHAOLIN CAPITAL MANAGEMENT LLC
1.12%
171,170
0 (0.00%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions67.4M (94.37%)
  • Insiders3.7M (5.13%)
  • Mutual Funds358,554 (0.50%)
  • Other0 (0.00%)

Insider Transactions

  • 5.13% (3.7M)
    Current InsiderOwnership (%, shares)
  • 2
    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
Kaster Deborah
Chief Financial Officer
Buy
Dec 16, 2025
$17,973.00
15,000
$1.20
15,000
PERCEPTIVE ADVISORS LLC
Buy
Oct 20, 2025
$248,286.82
1.3M
$0.18
1.3M
PERCEPTIVE ADVISORS LLC
Buy
Oct 20, 2025
$248,286.82
1.3M
$0.18
1.3M
PERCEPTIVE ADVISORS LLC
Buy
Oct 20, 2025
$248,286.82
1.3M
$0.18
1.3M
PERCEPTIVE ADVISORS LLC
Buy
Oct 20, 2025
$3.5M
2.2M
$1.60
2.2M
GARDINER SANDRA A.
Award
Mar 20, 2025
$0.00
90,000
$0.00
90,000
Moran Timothy P.
Award
Mar 20, 2025
$0.00
90,000
$0.00
90,000
Cox James L
Award
Mar 20, 2025
$0.00
90,000
$0.00
90,000
MISHAN ORLY
Award
Mar 20, 2025
$0.00
300,000
$0.00
300,000
Mirsaeedi-Farahani Keyvan
Award
Mar 20, 2025
$0.00
90,000
$0.00
90,000
Cox James L
Award
Mar 20, 2025
$0.00
364,000
$0.00
364,000
Usen Todd
Chief Executive Officer
Award
Feb 11, 2025
$0.00
1.8M
$0.00
1.8M
PERCEPTIVE ADVISORS LLC
Award
Jan 22, 2025
$0.00
64,167
$0.00
9.7M