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. Show more

7 Times Square, New York, NY, 10036, United States

https://sellaslifesciences.com

Biotechnology

Healthcare

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Market Cap

741.7M

52 Wk Range

$0.95 - $6.14

Previous Close

$4.21

Open

$4.07

Volume

4,872,646

Day Range

$4.02 - $4.20

Enterprise Value

685.3M

Cash

71.79M

Avg Qtr Burn

-4.921M

Insider Ownership

0.61%

Institutional Own.

19.84%

Qtr Updated

12/31/25

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Drug & Indication	Stage & Event	Catalyst Date
Galinpepimut-S Details Acute myeloid leukemia (AML)	Phase 3 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
SLS009 (GFH009) +/- venetoclax & azacitidine Details Acute myeloid leukemia	Phase 2 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
SLS009 (GFH009) + Brukinsa Details Cancer, Blood cancer, Diffuse large B cell lymphoma	Phase 2a Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Galinpepimut-S + KEYTRUDA (pembrolizumab) Details Ovarian cancer, Solid tumor/s, Cancer	Phase 1/2 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
SLS009 (GFH009) Details Blood cancer, Cancer, Lymphoma, Peripheral T-cell Lymphomas	Phase 1/2 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
SLS009 (GFH009) Details Cancer, Blood cancer, Pediatric Sarcomas	Phase 1 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Galinpepimut-S + OPDIVO (nivolumab) Details Cancer, Malignant pleural/peritoneal mesothelioma	Phase 1 Update	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Nelipepimut-S Details Solid tumor/s, Cancer, Breast cancer, Triple-negative breast cancer	Failed Discontinued	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.