• $14.4M
    Market Cap
  • -52.14%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
ROUMELL ASSET MANAGEMENT, LLC
9.25%
536,497
-401,883 (-74.91%)
Mar 31, 2022
CM MANAGEMENT, LLC
2.24%
130,000
0 (0.00%)
Mar 31, 2026
N/A
2.15%
124,591
+124,591 (+100.00%)
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
1.63%
94,287
+28,284 (+30.00%)
Mar 31, 2026
LADENBURG THALMANN FINANCIAL SERVICES INC.
1.59%
92,235
0 (0.00%)
Dec 31, 2019
VANGUARD FIDUCIARY TRUST CO
1.14%
66,270
+66,270 (+100.00%)
Mar 31, 2026
CITADEL ADVISORS LLC
1.09%
63,384
-30,863 (-48.69%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions23.1M (47.20%)
  • Mutual Funds13.6M (27.84%)
  • Insiders12.2M (24.96%)
  • Other0 (0.00%)

Insider Transactions

  • 24.96% (12.2M)
    Current InsiderOwnership (%, shares)
  • 4
    Number of InsiderBuying (last 12 months)
  • $5.7M
    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
Altman Peter
President and CEO
Buy
Jun 18, 2026
$768.00
800
$0.96
300,566
Altman Peter
President and CEO
Buy
Jun 17, 2026
$1,275.00
1,500
$0.85
299,766
Altman Peter
President and CEO
Buy
Mar 25, 2026
$366.00
300
$1.22
274,766
Altman Peter
President and CEO
Buy
Mar 24, 2026
$744.00
600
$1.24
274,466
Altman Peter
President and CEO
Buy
Feb 04, 2026
$5,650.00
5,000
$1.13
273,866
Altman Peter
President and CEO
Buy
Jan 21, 2026
$402.00
300
$1.34
268,866
Altman Peter
President and CEO
Buy
Jan 20, 2026
$792.00
600
$1.32
268,566
Altman Peter
President and CEO
Buy
Dec 17, 2025
$1,170.00
900
$1.30
267,966
Altman Peter
President and CEO
Buy
Dec 16, 2025
$274.00
200
$1.37
267,066
STERTZER SIMON H
Buy
Sep 19, 2025
$0.00
398,400
$0.00
575,675
Blank Andrew Scott
Buy
Sep 19, 2025
$0.00
288,000
$0.00
602,522
STERTZER SIMON H
Buy
Sep 19, 2025
$498,000.00
398,400
$1.25
591,054
Blank Andrew Scott
Buy
Sep 19, 2025
$360,000.00
288,000
$1.25
634,023
Altman Peter
President and CEO
Buy
Aug 22, 2025
$1,281.00
700
$1.83
168,762
Altman Peter
President and CEO
Buy
Aug 12, 2025
$700.40
400
$1.75
167,962
Altman Peter
President and CEO
Buy
Aug 11, 2025
$2,988.60
1,700
$1.76
167,562
STERTZER SIMON H
Buy
Jun 30, 2025
$0.00
72,289
$0.00
177,275
McClung David
Chief Financial Officer
Buy
Jun 30, 2025
$0.00
4,819
$0.00
26,275
Blank Andrew Scott
Buy
Jun 30, 2025
$0.00
72,289
$0.00
314,522
Altman Peter
President and CEO
Buy
Jun 30, 2025
$0.00
24,096
$0.00
95,612
STERTZER SIMON H
Buy
Jun 30, 2025
$149,999.67
72,289
$2.08
192,654
McClung David
Chief Financial Officer
Buy
Jun 30, 2025
$9,999.42
4,819
$2.08
47,950
Blank Andrew Scott
Buy
Jun 30, 2025
$149,999.67
72,289
$2.08
346,023
Altman Peter
President and CEO
Buy
Jun 30, 2025
$49,999.20
24,096
$2.08
165,862
Altman Peter
President and CEO
Buy
May 30, 2025
$221.00
100
$2.21
141,766
Facteau Bill
Buy
Apr 23, 2025
$0.00
13,123
$0.00
13,123
Altman Peter
President and CEO
Buy
Apr 23, 2025
$0.00
26,246
$0.00
71,516
McClung David
Chief Financial Officer
Buy
Apr 23, 2025
$0.00
13,123
$0.00
21,456
Blank Andrew Scott
Buy
Apr 23, 2025
$0.00
131,233
$0.00
242,233
STERTZER SIMON H
Buy
Apr 23, 2025
$0.00
104,986
$0.00
104,986