• $18.5M
    Market Cap
  • -40.93%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
FRAZIER MANAGEMENT LLC
156.16%
5.0M
0 (0.00%)
Dec 31, 2021
HIGHLINE CAPITAL MANAGEMENT LLC
38.53%
1.2M
+50,000 (+4.05%)
Dec 31, 2021
HIGHLINE CAPITAL MANAGEMENT, L.P.
38.53%
1.2M
0 (0.00%)
Sep 30, 2022
BLACKROCK INC.
25.49%
817,529
-105,018 (-12.85%)
Jun 30, 2024
BLACKROCK FUNDING, INC. /DE
22.52%
722,296
+561 (+0.08%)
Dec 31, 2024
LYNX1 CAPITAL MANAGEMENT LP
19.44%
623,704
0 (0.00%)
Mar 31, 2026
TWO SIGMA ADVISERS, LLC
13.44%
431,000
+272,500 (+63.23%)
Dec 31, 2021

Current Ownership Distribution

  • Institutions570.5M (83.66%)
  • Mutual Funds87.0M (12.76%)
  • Insiders24.5M (3.59%)
  • Other0 (0.00%)

Insider Transactions

  • 3.59% (24.5M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $8.2M
    Amount of InsiderBuying (last 12 months)
  • 2
    Number of InsiderSelling (last 12 months)
  • $6.2M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Chou William
PRESIDENT AND CEO
Exempt
Jan 08, 2026
$0.00
10,000
$0.00
10,000
Chou William
PRESIDENT AND CEO
Exempt
Jan 08, 2026
$0.00
10,000
$0.00
10,600
Chou William
PRESIDENT AND CEO
Sell
Jan 08, 2026
$75,158.99
4,076
$18.44
6,524
Lynx1 Capital Management LP
Buy
Jul 24, 2025
$379,454.67
66,423
$5.71
591,696
Lynx1 Capital Management LP
Buy
Jul 23, 2025
$283,032.92
49,302
$5.74
525,273
Lynx1 Capital Management LP
Buy
Jul 22, 2025
$71,337.94
13,123
$5.44
475,971
ORBIMED ADVISORS LLC
Sell
Jun 26, 2025
$70,374.81
213,257
$0.33
6.1M
ORBIMED ADVISORS LLC
Sell
Jun 25, 2025
$45,804.00
138,800
$0.33
6.3M
ORBIMED ADVISORS LLC
Sell
Jun 24, 2025
$81,060.00
231,600
$0.35
6.4M
GOWEN MAXINE
Award
May 28, 2025
$0.00
201,857
$0.00
201,857
Countouriotis Athena
Award
May 28, 2025
$0.00
201,857
$0.00
201,857
Porter Derrell
Award
May 28, 2025
$0.00
201,857
$0.00
201,857
Sondhi Dolan
Award
May 28, 2025
$0.00
201,857
$0.00
201,857
Kassberg Thomas Richard
Award
May 28, 2025
$0.00
143,789
$0.00
143,789
Islam Saqib
Award
May 28, 2025
$0.00
201,857
$0.00
201,857
ORBIMED ADVISORS LLC
Sell
Apr 24, 2025
$21,822.40
68,195
$0.32
6.7M
ORBIMED ADVISORS LLC
Sell
Apr 23, 2025
$30,371.52
89,328
$0.34
6.7M
ORBIMED ADVISORS LLC
Sell
Apr 22, 2025
$26,536.66
78,049
$0.34
6.8M
ORBIMED ADVISORS LLC
Sell
Apr 17, 2025
$25,439.70
77,090
$0.33
6.9M
ORBIMED ADVISORS LLC
Sell
Apr 16, 2025
$20,340.54
61,638
$0.33
7.0M
ORBIMED ADVISORS LLC
Sell
Apr 15, 2025
$3,923.88
10,326
$0.38
7.0M
Cale Edgar B.
GC & CORPORATE SECRETARY
Award
Mar 15, 2025
$0.00
278,386
$0.00
278,386
Borthwick Kathleen
CFO
Award
Mar 15, 2025
$0.00
278,386
$0.00
278,386
Chou William
PRESIDENT AND CEO
Award
Mar 15, 2025
$0.00
779,533
$0.00
779,533
Borthwick Kathleen
CFO
Sell
Feb 11, 2025
$1,685.72
3,183
$0.53
41,283
Borthwick Kathleen
CFO
Exempt
Feb 10, 2025
$0.00
8,000
$0.00
0
Borthwick Kathleen
CFO
Exempt
Feb 10, 2025
$0.00
8,000
$0.00
44,466
Borthwick Kathleen
CFO
Award
Jan 15, 2025
$0.00
10,000
$0.00
10,000
Chou William
PRESIDENT AND CEO
Award
Jan 15, 2025
$0.00
20,000
$0.00
20,000
ORBIMED ADVISORS LLC
Sell
Jan 14, 2025
$47,414.40
79,024
$0.60
7.0M