SELLAS Life Sciences (SLS) Shares Outstanding (2010 - 2026)

SELLAS Life Sciences (SLS) has 17 years of Shares Outstanding data on file, last reported at $181.3 million in Q1 2026.

• Quarterly Shares Outstanding rose 99.49% year-over-year to $181.3 million in Q1 2026, while the trailing twelve-month figure through Mar 2026 was $181.3 million (up 99.49% YoY) and the FY2025 annual result came in at $153.1 million, up 106.96% from the prior year.
• Shares Outstanding climbed to $181.3 million in Q1 2026 per SLS's latest filing, from $153.1 million in the prior quarter.
• Across five years, Shares Outstanding topped out at $181.3 million in Q1 2026 and bottomed at $15.9 million in Q1 2022.
• The 5-year median for Shares Outstanding is $56.3 million (2024), against an average of $64.6 million.
• The widest annual swing landed in 2022, when Shares Outstanding climbed 5.44%; it then soared 130.22% in 2024.
• Tracing SLS's Shares Outstanding over 5 years: stood at $21.0 million in 2022, then surged by 52.97% to $32.1 million in 2023, then soared by 130.22% to $74.0 million in 2024, then jumped by 106.96% to $153.1 million in 2025, then climbed by 18.44% to $181.3 million in 2026.
• Per Business Quant, the three latest SLS Shares Outstanding figures stand at $181.3 million (Q1 2026), $153.1 million (Q4 2025), and $125.1 million (Q3 2025).

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