SELLAS Life Sciences Group, Inc. (SLS)

SELLAS Life Sciences Group Employees

SELLAS Life Sciences Group had 13 employees as of December 31, 2025. The number of employees decreased by 2 or 13.33% compared to the previous year. That makes SELLAS Life Sciences Group the 39,736th largest employer in the world and 5,894th in the United States.

• Employees: 13
• Change (1Y): -2
• Growth (1Y): -13.33%
• Revenue / Employee: n/a
• Profits / Employee: -$2,497,000
• Market Cap: 2.33B

Employees Chart

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Employees History

Date	Employees	Change (1Y)	Growth (1Y)
Dec 31, 2025	13	-2	-13.33%
Dec 31, 2024	15	-1	-6.25%
Dec 31, 2023	16	-1	-5.88%
Dec 31, 2022	17	6	54.55%
Dec 31, 2021	11	4	57.14%

Data Source: S&P Global Market Intelligence Last updated: Dec 31, 2025

Employee data is provided by S&P Global Market Intelligence and updates once per year after the filing of each annual report.

Update frequency:

Yearly

Last checked:

Oct 21, 2026

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