SELLAS Life Sciences Group, Inc. (SLS)
NASDAQ: SLS · Real-Time Price · USD
1.740
0.00 (0.00%)
At close: Dec 5, 2025, 4:00 PM EST
1.768
+0.028 (1.60%)
After-hours: Dec 5, 2025, 7:59 PM EST

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; and GenFleet Therapeutics (Shanghai), Inc. for the development and commercialization of GFH009.

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

SELLAS Life Sciences Group, Inc.
SELLAS Life Sciences Group logo
Country United States
Founded 2012
Industry Biotechnology
Sector Healthcare
Employees 15
CEO Angelos Stergiou

Contact Details

Address:
7 Times Square, Suite 2503
New York, New York 10036
United States
Phone 646 200 5278
Website sellaslifesciences.com

Stock Details

Ticker Symbol SLS
Exchange NASDAQ
Fiscal Year January - December
Reporting Currency USD
CIK Code 0001390478
CUSIP Number 81642T209
ISIN Number US81642T2096
SIC Code 2834

Key Executives

Name Position
Dr. Angelos M. Stergiou M.D., ScD h.c. Founder, President, Chief Executive Officer and Director
John Thomas Burns CPA Senior Vice President and Chief Financial Officer
Dr. Dragan Cicic M.D., MBA Senior Vice President and Chief Development Officer
Stacy E. Yeung Vice President of Legal Affairs, Head of Compliance and Corporate Secretary
Andrew Elnatan Senior Vice President of Regulatory Affairs, CMC and Quality

Latest SEC Filings

Date Type Title
Nov 25, 2025 EFFECT Notice of Effectiveness
Nov 14, 2025 SCHEDULE 13G Filing
Nov 12, 2025 8-K Current Report
Nov 12, 2025 10-Q Quarterly Report
Oct 27, 2025 424B5 Filing
Oct 27, 2025 8-K Current Report
Oct 17, 2025 SCHEDULE 13G Filing
Oct 10, 2025 S-3 Registration statement under Securities Act of 1933
Oct 3, 2025 8-K Current Report
Sep 11, 2025 8-K Current Report