SEC Form 4 · Updated Daily
SLS
— SELLAS LIFE SCIENCES GROUP, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Gerber Sander | 10%+ Owner | 2,036,559 | 2017-02-08 | S |
| Hudson Bay Capital Management LP | 10%+ Owner | 2,036,559 | 2017-02-08 | S |
| Stergiou Angelos M. | Director · Officer | 1,759,183 | 2026-06-16 | A |
| CICIC DRAGAN | Officer | 557,805 | 2026-01-07 | A |
| Burns John Thomas | Officer | 554,327 | 2026-01-07 | A |
| SCHWARTZ MARK W. | Officer | 439,978 | 2016-07-01 | J |
| Kennedy Robert Eugene | Officer | 379,294 | 2011-04-13 | A |
| KRIEGSMAN STEVEN A | Director | 155,000 | 2014-01-23 | M |
| Kalin Katherine Bach | Director | 154,400 | 2026-01-07 | A |
| Dunlap Ryan | Officer | 145,577 | 2016-06-01 | M |
| Khvorova Anastasia | Reporting Owner | 137,482 | 2011-09-24 | A |
| WOOD BARBARA A | Officer | 117,225 | 2024-01-22 | A |
| Ahn Mark J | Director · Officer | 116,225 | 2014-06-30 | A |
| Beerman Noah D | Officer | 92,994 | 2011-03-15 | A |
| Wasman Jane | Director | 92,900 | 2026-01-07 | A |
| VAN NOSTRAND ROBERT L | Director | 82,900 | 2026-01-07 | A |
| SCHEINBERG DAVID A | Director | 73,082 | 2026-01-07 | A |
| Varian John | Director | 72,900 | 2026-01-07 | A |
| Hillsberg Sanford | Director | 56,950 | 2017-10-10 | A |
| Pavco Pamela | Reporting Owner | 44,940 | 2011-03-15 | A |
| Nisi Rudolph | Director | 42,918 | 2017-10-10 | A |
| Varanasi Ramani | Officer | 41,083 | 2011-03-15 | A |
| Francomano Robert | Officer | 40,918 | 2024-01-22 | A |
| GRAY MARY ANN | Director | 39,167 | 2017-10-10 | A |
| Ashton William | Director | 38,154 | 2017-10-10 | A |
| GALLIKER STEPHEN S | Director | 36,039 | 2017-10-10 | A |
| Einhorn Irving M. | Director | 34,690 | 2017-10-10 | A |
| Chin Richard | Director | 31,339 | 2017-10-10 | A |
| Tata Amy B | Officer | 14,065 | 2011-03-15 | A |
| Nejadnik Bijan | Officer | 8,503 | 2016-07-01 | J |
| Andrikopoulos Konstantinos | Officer | 5,750 | 2010-01-20 | A |
| Lee Kwang | Officer | 5,000 | 2011-12-07 | P |
| HAMILTON BRIAN L | Officer | 2,461 | 2014-06-30 | J |
| Sarlis Nicholas J. | Officer | 0 | 2017-12-29 | — |
| Tafur Daniel | 10%+ Owner | 0 | 2018-09-24 | J |
| EQC Private Markets SAC Fund Ltd-EQC Biotech Sely I Fund | 10%+ Owner | 0 | 2018-09-24 | J |
| EQC Private Markets SAC Fund Ltd-EQC Biotech Sely II Fund` | 10%+ Owner | 0 | 2018-09-24 | J |
| Castilian Ltd. | 10%+ Owner | 0 | 2018-09-24 | J |
| Varibobi Financial Holdings Ltd | 10%+ Owner | 0 | 2018-09-24 | J |
| EQC Private Markets II SAC Fund Ltd-EQC Biotech Sely III Fund | 10%+ Owner | 0 | 2018-09-24 | J |
| EQC Private Markets SAC Fund II Ltd-EQC Biotech Sely S Fund | 10%+ Owner | 0 | 2018-09-24 | J |
| Equilibria Capital Management Ltd | 10%+ Owner | 0 | 2018-09-24 | J |
| Lopez Fabio | Reporting Owner | 0 | 2018-09-24 | J |
| Mack Gene | Officer | 0 | 2018-04-20 | — |
| Torre Gregory M | Officer | 0 | 2017-12-29 | — |
| Krylov Aleksey N. | Officer | 0 | 2017-12-29 | — |
| CYTRX CORP | 10%+ Owner | 0 | 2010-12-29 | S |
| Samarsky Dmitry | Officer | 0 | 2010-03-31 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-06-16 | Stergiou Angelos M. | Grant / award | 1,065,000 | $0.00 | 1,759,183 |
| 2026-01-07 | Wasman Jane | Grant / award | 50,000 | $0.00 | 92,900 |
| 2026-01-07 | Kalin Katherine Bach | Grant / award | 50,000 | $0.00 | 154,400 |
| 2026-01-07 | Burns John Thomas | Grant / award | 300,000 | $0.00 | 554,327 |
| 2026-01-07 | CICIC DRAGAN | Grant / award | 300,000 | $0.00 | 557,805 |
| 2026-01-07 | SCHEINBERG DAVID A | Grant / award | 50,000 | $0.00 | 73,082 |
| 2026-01-07 | VAN NOSTRAND ROBERT L | Grant / award | 50,000 | $0.00 | 82,900 |
| 2026-01-07 | Varian John | Grant / award | 50,000 | $0.00 | 72,900 |
| 2025-12-03 | Stergiou Angelos M. | J | 187,066 | $1.50 | 686,966 |
| 2025-12-03 | Burns John Thomas | J | 58,592 | $1.50 | 254,327 |
| 2025-12-03 | CICIC DRAGAN | J | 63,800 | $1.50 | 257,805 |
| 2025-11-19 | Kalin Katherine Bach | Open-market buy | 63,400 | $1.59 | 104,400 |
| 2025-06-12 | VAN NOSTRAND ROBERT L | Open-market buy | 10,000 | $1.48 | 20,400 |
| 2025-05-30 | Wasman Jane | Open-market buy | 20,000 | $1.69 | 30,400 |
| 2025-05-22 | Kalin Katherine Bach | Open-market buy | 20,000 | $1.80 | 41,000 |
| 2025-01-10 | CICIC DRAGAN | Grant / award (derivative) | 169,500 | $0.00 | 169,500 |
| 2025-01-10 | CICIC DRAGAN | Grant / award | 81,300 | $0.00 | 309,628 |
| 2025-01-10 | CICIC DRAGAN | Grant / award | 113,000 | $0.00 | 228,328 |
| 2025-01-10 | Varian John | Grant / award (derivative) | 18,500 | $0.00 | 18,500 |
| 2025-01-10 | Varian John | Grant / award | 12,500 | $0.00 | 22,900 |
| 2025-01-10 | Kalin Katherine Bach | Grant / award (derivative) | 18,500 | $0.00 | 18,500 |
| 2025-01-10 | Kalin Katherine Bach | Grant / award | 12,500 | $0.00 | 21,000 |
| 2025-01-10 | VAN NOSTRAND ROBERT L | Grant / award (derivative) | 18,500 | $0.00 | 18,500 |
| 2025-01-10 | VAN NOSTRAND ROBERT L | Grant / award | 12,500 | $0.00 | 22,900 |
| 2025-01-10 | Wasman Jane | Grant / award (derivative) | 18,500 | $0.00 | 18,500 |
| 2025-01-10 | Wasman Jane | Grant / award | 12,500 | $0.00 | 22,900 |
| 2025-01-10 | SCHEINBERG DAVID A | Grant / award (derivative) | 18,500 | $0.00 | 18,500 |
| 2025-01-10 | SCHEINBERG DAVID A | Grant / award | 12,500 | $0.00 | 23,082 |
| 2025-01-10 | Stergiou Angelos M. | Grant / award (derivative) | 385,750 | $0.00 | 385,750 |
| 2025-01-10 | Stergiou Angelos M. | Grant / award | 243,900 | $0.00 | 859,032 |
| 2025-01-10 | Stergiou Angelos M. | Grant / award | 257,000 | $0.00 | 615,132 |
| 2025-01-10 | Burns John Thomas | Grant / award (derivative) | 169,500 | $0.00 | 169,500 |
| 2025-01-10 | Burns John Thomas | Grant / award | 81,300 | $0.00 | 299,062 |
| 2025-01-10 | Burns John Thomas | Grant / award | 113,000 | $0.00 | 217,762 |
| 2024-12-04 | Burns John Thomas | J | 7,165 | $1.13 | 104,762 |
| 2024-12-04 | Stergiou Angelos M. | J | 28,289 | $1.13 | 358,132 |
| 2024-12-04 | CICIC DRAGAN | J | 8,256 | $1.13 | 115,328 |
| 2024-06-20 | CICIC DRAGAN | — | — | — | 118,584 |
| 2024-01-22 | Burns John Thomas | Grant / award (derivative) | 75,000 | $0.00 | 75,000 |
| 2024-01-22 | Burns John Thomas | Grant / award | 47,000 | $0.00 | 101,927 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.