SLS
SELLAS Life Scnc (SLS)
NASDAQ
$15.40-$0.06 (-0.39%)
Price as of Aug 21, 2026 7:59 PM EDT
  • $3.1B
    Market Cap
  • 709.42%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK, INC.
8.10%
15.1M
+2.9M (+19.06%)
Jun 30, 2026
STATE STREET CORP
6.99%
13.0M
+4.6M (+35.40%)
Jun 30, 2026
VANGUARD GROUP INC
4.55%
8.5M
+1.6M (+19.22%)
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
4.42%
8.2M
+700,176 (+8.51%)
Jun 30, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
3.85%
7.2M
-466,900 (-6.52%)
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
2.63%
4.9M
+971,569 (+19.89%)
Jun 30, 2026
ANSON FUNDS MANAGEMENT LP
2.42%
4.5M
+4.5M (+100.00%)
Jun 30, 2026

Current Ownership Distribution

  • Mutual Funds1.7B (83.31%)
  • Institutions332.3M (16.24%)
  • Insiders9.1M (0.44%)
  • Other0 (0.00%)

Insider Transactions

  • 0.44% (9.1M)
    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
Stergiou Andelos M.
President and CEO
Award
Jun 16, 2026
$0.00
1.1M
$0.00
1.8M
CICIC DRAGAN
SVP, Chief Development Officer
Award
Jan 07, 2026
$0.00
300,000
$0.00
557,805
Burns John Thomas
CFO
Award
Jan 07, 2026
$0.00
300,000
$0.00
554,327
Varian John
Award
Jan 07, 2026
$0.00
50,000
$0.00
72,900
Wasman Jane
Award
Jan 07, 2026
$0.00
50,000
$0.00
92,900
VAN NOSTRAND ROBERT L
Buy
Jun 12, 2025
$14,800.00
10,000
$1.48
20,400
Wasman Jane
Buy
May 30, 2025
$33,800.00
20,000
$1.69
30,400
Kalin Katherine Bach
Buy
May 22, 2025
$36,000.00
20,000
$1.80
41,000
CICIC DRAGAN
SVP, Chief Development Officer
Award
Jan 10, 2025
$0.00
169,500
$0.00
169,500
Burns John Thomas
CFO
Award
Jan 10, 2025
$0.00
169,500
$0.00
169,500
Varian John
Award
Jan 10, 2025
$0.00
18,500
$0.00
18,500
VAN NOSTRAND ROBERT L
Award
Jan 10, 2025
$0.00
18,500
$0.00
18,500
SCHEINBERG DAVID A
Award
Jan 10, 2025
$0.00
18,500
$0.00
18,500
Burns John Thomas
CFO
Award
Jan 10, 2025
$0.00
113,000
$0.00
217,762
Kalin Katherine Bach
Award
Jan 10, 2025
$0.00
18,500
$0.00
18,500
VAN NOSTRAND ROBERT L
Award
Jan 10, 2025
$0.00
12,500
$0.00
22,900
CICIC DRAGAN
SVP, Chief Development Officer
Award
Jan 10, 2025
$0.00
113,000
$0.00
228,328
Burns John Thomas
CFO
Award
Jan 10, 2025
$0.00
81,300
$0.00
299,062
Wasman Jane
Award
Jan 10, 2025
$0.00
18,500
$0.00
18,500
SCHEINBERG DAVID A
Award
Jan 10, 2025
$0.00
12,500
$0.00
23,082
Kalin Katherine Bach
Award
Jan 10, 2025
$0.00
12,500
$0.00
21,000
CICIC DRAGAN
SVP, Chief Development Officer
Award
Jan 10, 2025
$0.00
81,300
$0.00
309,628
Varian John
Award
Jan 10, 2025
$0.00
12,500
$0.00
22,900
Stergiou Andelos M.
President and CEO
Award
Jan 10, 2025
$0.00
385,750
$0.00
385,750
Wasman Jane
Award
Jan 10, 2025
$0.00
12,500
$0.00
22,900
Stergiou Andelos M.
President and CEO
Award
Jan 10, 2025
$0.00
257,000
$0.00
615,132
Stergiou Andelos M.
President and CEO
Award
Jan 10, 2025
$0.00
243,900
$0.00
859,032
Burns John Thomas
CFO
Other
Dec 04, 2024
$8,096.45
7,165
$1.13
104,762
CICIC DRAGAN
SVP, Chief Development Officer
Other
Dec 04, 2024
$9,329.28
8,256
$1.13
115,328