SELLAS Life Sciences Reports Quarterly Results for Quarter Ended June 30, 2026

What Happened
SELLAS Life Sciences Group, Inc. announced its financial results for the quarter ended June 30, 2026 and provided a corporate update via a press release dated August 11, 2026. The company furnished that press release as Exhibit 99.1 to a Form 8-K filed on August 11, 2026 under Item 2.02 (Results of Operations and Financial Condition).

Key Details

• Filing date: August 11, 2026 (Form 8-K).
• Period covered: quarter ended June 30, 2026.
• Disclosure type: Press release announcing quarterly financial results and a corporate update, furnished as Exhibit 99.1.
• Form signed by John T. Burns, Senior Vice President and Chief Financial Officer.

Why It Matters
Quarterly results and corporate updates provide the latest operating and financial information investors use to assess the company’s performance and prospects. The Form 8-K indicates SELLAS has released these results publicly; investors should read the Exhibit 99.1 press release (available on the SEC EDGAR site or SELLAS’s investor relations page) for the detailed revenue, earnings or loss figures, cash position and any management commentary or guidance.