SLS

SELLAS Life Sciences is at the center of a debate over its event-driven Phase 3 REGAL trial for GPS in AML CR2 patients. The extended REGAL timeline should not be interpreted as evidence of failure or success, given its event-driven design and recent protocol amendments. FDA-approved unlimited dosing and continued management confidence add nuance, but only final data will determine REGAL's outcome.

Sellas Life Sciences (SLS) shares are extending gains on Jun. 26 following a key regulatory filing that disclosed a series of comprehensive corporate amendments regarding executive compensation and protection. Specifically, the board restructured change-of-control and severance agreements for CEO Angelos Stergiou, CFO John Burns, and CDO Dragan Cicic.

NEW YORK, May 14, 2026 (GLOBE NEWSWIRE) -- SELLAS Life Sciences Group, Inc. (NASDAQ: SLS) (“SELLAS” or the “Company”), a late-stage clinical biopharmaceutical company focused on the development of novel therapies for a broad range of cancer indications, today announced that Angelos Stergiou, MD, ScD h.c., President and Chief Executive Officer of SELLAS, will participate in the following upcoming investor conferences: 2026 Stifel Virtual Targeted Oncology Forum Format: Corporate Presentation and Fireside Chat Date and Time: Tuesday, May 19, 2026, at 2:00 PM ET Location: New York, NY Webcast Link: Click here A.G.P.

– Contract Research Organization for the Pivotal Phase 3 REGAL Trial of Galinpepimut-S (GPS) in Acute Myeloid Leukemia (AML) Informed the Company that 78 Events have Occurred in the Trial as of May 11, 2026; SELLAS Remains Blinded to Trial Outcomes – – Final Analysis of REGAL Trial of GPS in AML to be Conducted Following the 80 th Event – – Ongoing Dosing of Patients in Phase 2 Trial of SLS009 in Newly Diagnosed First Line AML – – $107.1 Million in Cash and Cash Equivalents as of March 31, 2026; Additional $7.5 Million in Proceeds Received in Q2 2026 to Date through Warrant Exercises – NEW YORK, May 12, 2026 (GLOBE NEWSWIRE) -- SELLAS Life Sciences Group, Inc. (NASDAQ: SLS) (“SELLAS'' or the “Company”), a late-stage clinical biopharmaceutical company focused on the development of novel therapies for a broad range of cancer indications, today reported financial results for the first quarter ended March 31, 2026, and provided a corporate update. “The first quarter of 2026 marked an important period for SELLAS as we continued to execute across our clinical programs while preparing for the anticipated pivotal Phase 3 REGAL trial data readout,” said Angelos Stergiou, MD, ScD h.c.

SELLAS Life Sciences is rated 'Hold' due to pending phase 3 REGAL data for GPS in AML after CR2, a major 2026 catalyst. The company's GPS targets WT1 in AML, with prior phase 1/2 data showing a median OS of 21 months versus 5.4 months for standard therapy. Interim REGAL analysis showed fewer than 50% deceased at 13.5 months; final analysis at 80 events expected in 1H 2026.

The mean of analysts' price targets for SELLAS Life Sciences Group, Inc. (SLS) points to a 66.1% upside in the stock. While this highly sought-after metric has not proven reasonably effective, strong agreement among analysts in raising earnings estimates does indicate an upside in the stock.

The consensus price target hints at a 63.6% upside potential for SELLAS Life Sciences Group, Inc. (SLS). While empirical research shows that this sought-after metric is hardly effective, an upward trend in earnings estimate revisions could mean that the stock will witness an upside in the near term.