SLS
SELLAS Life Scnc (SLS)
NASDAQ
$8.06-$0.27 (-3.25%)
Price as of Jun 03, 2026 8:00 PM EDT
  • $1.7B
    Market Cap
  • 407.93%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK, INC.
8.56%
12.2M
+4.7M (+38.18%)
Mar 31, 2026
VANGUARD GROUP INC
5.94%
8.5M
+1.6M (+19.22%)
Dec 31, 2025
STATE STREET CORP
5.89%
8.4M
+6.2M (+73.94%)
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
5.35%
7.6M
+1.9M (+25.30%)
Mar 31, 2026
N/A
5.28%
7.5M
+7.5M (+100.00%)
Mar 31, 2026
ANSON FUNDS MANAGEMENT LP
4.24%
6.0M
+5.8M (+95.44%)
Sep 30, 2025
CITADEL ADVISORS LLC
3.07%
4.4M
+2.5M (+56.65%)
Mar 31, 2026

Current Ownership Distribution

  • Mutual Funds1.5B (86.16%)
  • Institutions239.5M (13.39%)
  • Insiders8.0M (0.45%)
  • Other0 (0.00%)

Insider Transactions

  • 0.45% (8.0M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $15,392.00
    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
Wasman Jane
Award
Jan 07, 2026
$0.00
50,000
$0.00
92,900
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
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