SELLAS Life Sciences Group, Inc. (SLS)
NASDAQ: SLS · Real-Time Price · USD
11.05
+0.01 (0.09%)
At close: Aug 11, 2026, 4:00 PM EDT
11.06
+0.01 (0.06%)
After-hours: Aug 11, 2026, 7:59 PM EDT

Company Description

SELLAS Life Sciences Group, Inc., a late-stage clinical biopharmaceutical company, focuses on the development of novel therapeutics for various cancer indications in the United States.

The company’s lead product candidate is galinpepimut-S (GPS), a peptide immunotherapy directed against the Wilms tumor 1, antigen; and SLS009 (tambiciclib), a selective small molecule cyclin-dependent kinase 9, or CDK9, inhibitor.

It has a strategic collaboration with Merck & Co., Inc. to evaluate GPS as it is administered in combination with PD1 blocker pembrolizumab in a Phase 1/2 clinical trial enrolling patients in up to five cancer indications, including hematologic malignancies and solid tumors; GenFleet Therapeutics (Shanghai), Inc. for the development and commercialization of GFH009; and Memorial Sloan Kettering Cancer Center for developing and commercializing MSK’s WT1 peptide vaccine technology.

SELLAS Life Sciences Group, Inc. is headquartered in New York, New York.

SELLAS Life Sciences Group, Inc.
SELLAS Life Sciences Group logo
CountryUnited States
Founded2012
IndustryBiotechnology
SectorHealthcare
Employees13
CEOAngelos Stergiou

Contact Details

Address:
7 Times Square, Suite 2503
New York, New York 10036
United States
Phone646 200 5278
Websitesellaslifesciences.com

Stock Details

Ticker SymbolSLS
ExchangeNASDAQ
Fiscal YearJanuary - December
Reporting CurrencyUSD
CIK Code1390478
CUSIP Number81642T209
ISIN NumberUS81642T2096
SIC Code2834

Key Executives

NamePosition
Dr. Angelos M. Stergiou M.D., ScD h.c.Founder, President, Chief Executive Officer and Director
John Thomas Burns CPASenior Vice President and Chief Financial Officer
Dr. Dragan Cicic M.D., MBASenior Vice President and Chief Development Officer
Stacy E. YeungVice President, General Counsel and Corporate Secretary
Andrew ElnatanSenior Vice President of Regulatory Affairs, CMC and Quality

Latest SEC Filings

DateTypeTitle
Aug 11, 20268-KCurrent Report
Aug 11, 202610-QQuarterly Report
Aug 7, 2026SCHEDULE 13GFiling
Jul 31, 2026SCHEDULE 13GFiling
Jul 27, 20268-KCurrent Report
Jun 25, 20268-KCurrent Report
Jun 18, 20268-KCurrent Report
Jun 16, 2026S-8Securities to be offered to employees in employee benefit plans
Jun 2, 20268-KCurrent Report
May 12, 20268-KCurrent Report