• $232.5M
    Market Cap
  • 43.92%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
RA CAPITAL MANAGEMENT, L.P.
15.10%
10.8M
0 (0.00%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
6.50%
4.7M
+428,118 (+9.21%)
Dec 31, 2024
BLACKROCK, INC.
6.30%
4.5M
+393,335 (+8.72%)
Mar 31, 2026
BLACKROCK INC.
5.67%
4.1M
+1.2M (+30.40%)
Jun 30, 2024
BOXER CAPITAL, LLC
5.63%
4.0M
-1.6M (-39.15%)
Sep 30, 2024
NEA MANAGEMENT COMPANY, LLC
4.99%
3.6M
0 (0.00%)
Mar 31, 2026
SAMSARA BIOCAPITAL, LLC
4.90%
3.5M
0 (0.00%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions903.3M (85.71%)
  • Mutual Funds134.1M (12.73%)
  • Insiders16.5M (1.56%)
  • Other0 (0.00%)

Insider Transactions

  • 1.56% (16.5M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 2
    Number of InsiderSelling (last 12 months)
  • $1.1M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
HASTINGS PAUL J
Chief Executive Officer
Sell
Jan 15, 2026
$53,915.22
26,046
$2.07
390,023
Mahmood Nadir
President
Sell
Jan 15, 2026
$11,693.43
5,649
$2.07
167,727
HASTINGS PAUL J
Chief Executive Officer
Award
Jan 06, 2026
$0.00
562,000
$0.00
562,000
Mahmood Nadir
President
Award
Jan 06, 2026
$0.00
160,000
$0.00
160,000
Rose Shawn Marshall
See Remarks
Award
Jan 06, 2026
$0.00
139,000
$0.00
139,000
Mahmood Nadir
President
Award
Jan 06, 2026
$0.00
80,000
$0.00
173,376
HASTINGS PAUL J
Chief Executive Officer
Award
Jan 06, 2026
$0.00
94,000
$0.00
416,069
Rose Shawn Marshall
See Remarks
Award
Jan 06, 2026
$0.00
70,000
$0.00
70,000
Rose Shawn Marshall
See Remarks
Award
Jun 23, 2025
$0.00
500,000
$0.00
500,000
Vratsanos George
Award
Jun 05, 2025
$0.00
46,000
$0.00
46,000
Mahmood Nadir
President
Award
Jun 05, 2025
$0.00
123,500
$0.00
123,500
Dybbs Michael
Award
Jun 05, 2025
$0.00
46,000
$0.00
46,000
PATTERSON LEONE D
Award
Jun 05, 2025
$0.00
46,000
$0.00
46,000
George Simeon
Award
Jun 05, 2025
$0.00
46,000
$0.00
46,000
Behbahani Ali
Award
Jun 05, 2025
$0.00
46,000
$0.00
46,000
RA CAPITAL MANAGEMENT, LLC
Award
Jun 05, 2025
$0.00
46,000
$0.00
46,000
Scheiner Zachary
Award
Jun 05, 2025
$0.00
46,000
$0.00
46,000
Shook David
See Remarks
Sell
Jan 15, 2025
$19,003.60
8,638
$2.20
190,955
HASTINGS PAUL J
Chief Executive Officer
Sell
Jan 15, 2025
$38,231.60
17,378
$2.20
319,859
Hager Alicia J.
Chief Legal Officer
Sell
Jan 15, 2025
$21,084.80
9,584
$2.20
146,735
Brandenberger Ralph
Chief Technical Officer
Sell
Jan 15, 2025
$16,383.40
7,447
$2.20
124,796
Levin Alyssa
See Remarks
Sell
Jan 15, 2025
$12,843.60
5,838
$2.20
102,662
Mahmood Nadir
President
Award
Jan 03, 2025
$0.00
123,500
$0.00
123,500
Levin Alyssa
See Remarks
Award
Jan 03, 2025
$0.00
105,000
$0.00
105,000
Brandenberger Ralph
Chief Technical Officer
Award
Jan 03, 2025
$0.00
105,000
$0.00
105,000
Shook David
See Remarks
Award
Jan 03, 2025
$0.00
117,500
$0.00
117,500
Mahmood Nadir
President
Award
Jan 03, 2025
$0.00
62,000
$0.00
93,376
Hager Alicia J.
Chief Legal Officer
Award
Jan 03, 2025
$0.00
105,000
$0.00
105,000
Brandenberger Ralph
Chief Technical Officer
Award
Jan 03, 2025
$0.00
52,500
$0.00
132,243
Shook David
See Remarks
Award
Jan 03, 2025
$0.00
59,000
$0.00
199,593