MTNB
MATINAS BIO (MTNB)
NYSE
$0.19-$0.007 (-3.42%)
Price as of Aug 21, 2026 7:53 PM EDT
  • $2.9M
    Market Cap
  • -90.67%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK INC.
38.75%
2.5M
0 (0.00%)
Jun 30, 2024
BRIDGEWAY CAPITAL MANAGEMENT INC
11.76%
753,391
-30,000 (-3.98%)
Dec 31, 2021
VIRTU KCG HOLDINGS LLC
3.77%
241,634
+172,124 (+71.23%)
Jun 30, 2017
TRUIST FINANCIAL CORP
3.20%
205,100
0 (0.00%)
Dec 31, 2021
SPIRE WEALTH MANAGEMENT
2.52%
161,160
+158,160 (+98.14%)
Dec 31, 2021
DCF ADVISERS, LLC
2.41%
154,500
0 (0.00%)
Dec 31, 2021
YELLOWSTONE PARTNERS, LLC
2.25%
143,914
0 (0.00%)
Dec 31, 2017

Current Ownership Distribution

  • Institutions306.4M (65.47%)
  • Mutual Funds139.9M (29.89%)
  • Insiders21.7M (4.64%)
  • Other0 (0.00%)

Insider Transactions

  • 4.64% (21.7M)
    Current InsiderOwnership (%, shares)
  • 0
    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
STERN ADAM K
In The Money
Jul 10, 2026
$220,617.25
630,335
$0.35
0
STERN ADAM K
Award
Jul 10, 2026
$220,617.25
630,335
$0.35
630,335
STERN ADAM K
In The Money
Jul 10, 2026
$120,648.50
344,710
$0.35
0
STERN ADAM K
Award
Jul 10, 2026
$120,648.50
344,710
$0.35
344,710
STERN ADAM K
Other
Jul 10, 2026
$49,511.70
141,462
$0.35
141,462
STERN ADAM K
In The Money
Jul 10, 2026
$120,648.50
344,710
$0.35
416,900
STERN ADAM K
In The Money
Jul 10, 2026
$220,617.25
630,335
$0.35
743,785
STERN ADAM K
In The Money
Oct 31, 2025
$59,367.66
92,100
$0.64
113,450
STERN ADAM K
In The Money
Oct 31, 2025
$59,367.66
92,100
$0.64
630,335
STERN ADAM K
Other
Oct 16, 2025
$515,680.00
800,000
$0.64
800,000
STERN ADAM K
Other
Oct 16, 2025
$155.29
265
$0.59
265
Murphy Keith
Award
Apr 30, 2025
$0.00
11,600
$0.00
11,600
Jabbour Jerome D
President and CEO
Award
Apr 30, 2025
$0.00
70,100
$0.00
70,100
NEUGEBOREN EDWARD
Award
Apr 30, 2025
$0.00
11,600
$0.00
11,600
Smith Robin L
Award
Apr 30, 2025
$0.00
11,600
$0.00
11,600
D An Evelyn
Award
Apr 30, 2025
$0.00
11,600
$0.00
11,600