SLS
SELLAS Life Sciences Group, Inc.
NASDAQ · Healthcare · Biotechnology · US
$13.86
+1.17%0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
+71.3%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Jun 18, 2026 | Stergiou Angelos M. · director, officer: President and CEO | A-Award | 1,065,000 | $0.00 |
| Jan 9, 2026 | SCHEINBERG DAVID A · director | A-Award | 50,000 | $0.00 |
| Jan 9, 2026 | Varian John · director | A-Award | 50,000 | $0.00 |
| Jan 9, 2026 | Kalin Katherine Bach · director | A-Award | 50,000 | $0.00 |
| Jan 9, 2026 | Wasman Jane · director | A-Award | 50,000 | $0.00 |
| Jan 9, 2026 | Burns John Thomas · officer: CFO | A-Award | 300,000 | $0.00 |
| Jan 9, 2026 | CICIC DRAGAN · officer: SVP, Chief Development Officer | A-Award | 300,000 | $0.00 |
| Jan 9, 2026 | VAN NOSTRAND ROBERT L · director | A-Award | 50,000 | $0.00 |
| Nov 21, 2025 | Kalin Katherine Bach · director | Purchase | 63,400 | $1.59 |
| Jun 13, 2025 | VAN NOSTRAND ROBERT L · director | Purchase | 10,000 | $1.48 |
| Jun 2, 2025 | Wasman Jane · director | Purchase | 20,000 | $1.69 |
| May 22, 2025 | Kalin Katherine Bach · director | Purchase | 20,000 | $1.80 |
| Jan 14, 2025 | Stergiou Angelos M. · director, officer: President and CEO | A-Award | 243,900 | $0.00 |
| Jan 14, 2025 | Wasman Jane · director | A-Award | 12,500 | $0.00 |
| Jan 14, 2025 | Wasman Jane · director | A-Award | 18,500 | $0.95 |
| Jan 14, 2025 | CICIC DRAGAN · officer: SVP, Chief Development Officer | A-Award | 169,500 | $0.95 |
| Jan 14, 2025 | Burns John Thomas · officer: CFO | A-Award | 113,000 | $0.00 |
| Jan 14, 2025 | SCHEINBERG DAVID A · director | A-Award | 12,500 | $0.00 |
| Jan 14, 2025 | SCHEINBERG DAVID A · director | A-Award | 18,500 | $0.95 |
| Jan 14, 2025 | CICIC DRAGAN · officer: SVP, Chief Development Officer | A-Award | 81,300 | $0.00 |
| Jan 14, 2025 | Varian John · director | A-Award | 12,500 | $0.00 |
| Jan 14, 2025 | VAN NOSTRAND ROBERT L · director | A-Award | 12,500 | $0.00 |
| Jan 14, 2025 | Stergiou Angelos M. · director, officer: President and CEO | A-Award | 385,750 | $0.95 |
| Jan 14, 2025 | VAN NOSTRAND ROBERT L · director | A-Award | 18,500 | $0.95 |
| Jan 14, 2025 | Burns John Thomas · officer: CFO | A-Award | 81,300 | $0.00 |
| Jan 14, 2025 | Burns John Thomas · officer: CFO | A-Award | 169,500 | $0.95 |
| Jan 14, 2025 | Varian John · director | A-Award | 18,500 | $0.95 |
| Jan 14, 2025 | Kalin Katherine Bach · director | A-Award | 18,500 | $0.95 |
| Jan 14, 2025 | Kalin Katherine Bach · director | A-Award | 12,500 | $0.00 |
| Jan 14, 2025 | Stergiou Angelos M. · director, officer: President and CEO | A-Award | 257,000 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 134Increased 140Reduced 55Sold out 22
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 15,070,302 | Aug 7, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 13,396,997 | Aug 14, 2026 |
| STATE STREET CORP | Increased | 12,996,558 | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 12,198,410 | May 13, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 8,981,556 | May 15, 2026 |
| STATE STREET CORP | Increased | 8,396,356 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 8,226,105 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 7,525,929 | May 15, 2026 |
| Anson Funds Management LP | New Position | 7,145,900 | Aug 13, 2026 |
| CITADEL ADVISORS LLC | Increased | 6,605,100 | Sep 2, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 4,884,175 | Aug 12, 2026 |
| CITADEL ADVISORS LLC | Increased | 4,882,641 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 3,912,606 | May 15, 2026 |
| JONES FINANCIAL COMPANIES LLLP | Increased | 2,304,561 | Aug 14, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 2,161,099 | Aug 13, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Jun 18, 2026