• $446.0M
    Market Cap
  • 87.05%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VANGUARD GROUP INC
3.87%
1.3M
+56,319 (+4.47%)
Dec 31, 2025
N/A
3.37%
1.1M
+1.1M (+100.00%)
Mar 31, 2026
WOODLINE PARTNERS LP
3.07%
1.0M
0 (0.00%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
3.00%
978,723
+26,132 (+2.67%)
Dec 31, 2024
MARSHALL WACE, LLP
2.97%
966,253
+185,807 (+19.23%)
Mar 31, 2026
BAKER BROS. ADVISORS LP
2.92%
952,996
0 (0.00%)
Mar 31, 2026
BLACKROCK INC.
2.77%
904,083
-1.1M (-124.05%)
Jun 30, 2024

Current Ownership Distribution

  • Institutions85.6M (64.85%)
  • Mutual Funds38.9M (29.46%)
  • Insiders7.5M (5.69%)
  • Other0 (0.00%)

Insider Transactions

  • 5.69% (7.5M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 5
    Number of InsiderSelling (last 12 months)
  • $13.7M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Chauche Thierry
Chief Financial Officer
Award
May 28, 2026
$0.00
50,000
$0.00
50,000
Rozek Elizabeth
Chief Legal & Admin. Officer
Award
May 28, 2026
$0.00
100,000
$0.00
100,000
Happel David
President & CEO
Award
May 28, 2026
$0.00
300,000
$0.00
300,000
Grauer Andreas
Chief Medical Officer
Award
Apr 20, 2026
$0.00
264,759
$0.00
264,759
Rozek Elizabeth
Chief Legal & Admin. Officer
Award
Feb 19, 2026
$0.00
88,000
$0.00
88,000
Chauche Thierry
Chief Financial Officer
Award
Feb 19, 2026
$0.00
88,000
$0.00
88,000
Rozek Elizabeth
Chief Legal & Admin. Officer
Award
Feb 19, 2026
$0.00
44,000
$0.00
234,959
Chauche Thierry
Chief Financial Officer
Award
Feb 19, 2026
$0.00
44,000
$0.00
59,688
Chauche Thierry
Chief Financial Officer
Sell
Feb 10, 2026
$7,032.71
1,312
$5.36
15,688
Martins Eduardo Bruno
Chief Medical Officer
Sell
Feb 10, 2026
$19,511.13
3,640
$5.36
103,296
Happel David
President & CEO
Sell
Feb 10, 2026
$64,864.99
12,101
$5.36
677,621
Rozek Elizabeth
Chief Legal & Admin. Officer
Sell
Feb 10, 2026
$14,054.44
2,622
$5.36
190,959
Kemble George
Executive Chairman
Sell
Nov 20, 2025
$289,979.01
37,688
$7.69
81,005
Happel David
President & CEO
Sell
Jul 21, 2025
$598,115.34
65,478
$9.13
689,722
Rozek Elizabeth
General Counsel and CCO
Sell
Jul 21, 2025
$98,470.99
10,780
$9.13
183,726
Martins Eduardo Bruno
Chief Medical Officer
Sell
Jul 21, 2025
$75,607.08
8,277
$9.13
106,936
GRAMMER ELIZABETH A
Award
Jun 09, 2025
$0.00
32,250
$0.00
32,250
Jarrett Jennifer
Award
Jun 09, 2025
$0.00
27,268
$0.00
27,268
Phillips Anne M.
Award
Jun 09, 2025
$0.00
27,268
$0.00
27,268
Hoelscher Paul W.
Award
Jun 09, 2025
$0.00
32,250
$0.00
32,250
Walbert Timothy P
Award
Jun 09, 2025
$0.00
32,250
$0.00
32,250
Kemble George
Award
Jun 09, 2025
$0.00
32,250
$0.00
32,250
SEIDENBERG BETH C
Award
Jun 09, 2025
$0.00
32,250
$0.00
32,250
SEIDENBERG BETH C
Award
Jun 06, 2025
$0.00
28,522
$0.00
28,522
Chauche Thierry
Chief Financial Officer
Award
Feb 06, 2025
$0.00
69,000
$0.00
69,000
Rozek Elizabeth
General Counsel and CCO
Award
Feb 06, 2025
$0.00
138,000
$0.00
138,000
Happel David
President & CEO
Award
Feb 06, 2025
$0.00
472,000
$0.00
472,000
Rozek Elizabeth
General Counsel and CCO
Award
Feb 06, 2025
$0.00
34,000
$0.00
194,506
Martins Eduardo Bruno
Chief Medical Officer
Award
Feb 06, 2025
$0.00
138,000
$0.00
138,000
Happel David
President & CEO
Award
Feb 06, 2025
$0.00
116,000
$0.00
755,200