SELLAS Life Sciences Group, Inc.

NasdaqCM:SLS Stock Report

Market Cap: US$2.5b

SELLAS Life Sciences Group Management

Management criteria checks 3/4

SELLAS Life Sciences Group's CEO is Angelos Stergiou, appointed in Dec 2012, has a tenure of 13.58 years. total yearly compensation is $1.88M, comprised of 36% salary and 64% bonuses, including company stock and options. directly owns 0.16% of the company’s shares, worth $3.99M. The average tenure of the management team and the board of directors is 6.4 years and 8.6 years respectively.

Key information

Angelos Stergiou

Chief executive officer

US$1.9m

Total compensation

CEO salary percentage36.00%
CEO tenure13.6yrs
CEO ownership0.2%
Management average tenure6.4yrs
Board average tenure8.6yrs

Recent management updates

Recent updates

Seeking Alpha Jun 30

Why Sellas Remains A Strong Sell After Doubling In Price

Summary Sellas Life Sciences has nearly doubled in value, yet fundamentals remain unchanged and do not justify its $2.5B–$3B valuation. The REGAL trial is a high-risk, binary event with a challenging efficacy bar, and delayed events likely reflect stronger control arm performance, not GPS benefit. Even with REGAL success, the AML CR2 market opportunity is niche, making SLS overvalued even on optimistic risk-adjusted NPV assumptions. I maintain a Strong Sell rating on SLS due to asymmetric risk: I think downside on failure is severe, while upside on success is already priced in. Read the full article on Seeking Alpha
Analysis Article Jun 17

SELLAS Life Sciences Group (SLS) Stock Looks Fully Valued After $154.6 Million Shelf Filing

Why the new shelf registration matters for SELLAS Life Sciences Group stock SELLAS Life Sciences Group (SLS) has filed a $154.6 million shelf registration covering up to 20,000,000 common shares, an event that puts potential future capital raising firmly on investors’ radar. The filing follows recent shareholder meetings that backed board proposals and an expanded equity plan. This development sets the stage for possible use of this shelf as SELLAS funds its late stage oncology programs and...
Analysis Article Oct 08

Is SELLAS Life Sciences Group (NASDAQ:SLS) In A Good Position To Invest In Growth?

Even when a business is losing money, it's possible for shareholders to make money if they buy a good business at the...
Analysis Article Jun 25

Is SELLAS Life Sciences Group (NASDAQ:SLS) In A Good Position To Invest In Growth?

Just because a business does not make any money, does not mean that the stock will go down. For example, although...
Analysis Article Nov 23

Here's Why SELLAS Life Sciences Group (NASDAQ:SLS) Must Use Its Cash Wisely

Just because a business does not make any money, does not mean that the stock will go down. For example, although...
Analysis Article Jun 18

SELLAS Life Sciences Group (NASDAQ:SLS) Will Have To Spend Its Cash Wisely

Just because a business does not make any money, does not mean that the stock will go down. For example, biotech and...
Analysis Article Jul 13

SELLAS Life Sciences Group (NASDAQ:SLS) Will Have To Spend Its Cash Wisely

Even when a business is losing money, it's possible for shareholders to make money if they buy a good business at the...
Analysis Article Sep 20

SELLAS Life Sciences Group (NASDAQ:SLS) Will Have To Spend Its Cash Wisely

We can readily understand why investors are attracted to unprofitable companies. For example, although Amazon.com made...

CEO Compensation Analysis

How has Angelos Stergiou's remuneration changed compared to SELLAS Life Sciences Group's earnings?
DateTotal CompensationSalaryCompany Earnings
Mar 31 2026n/an/a

-US$29m

Dec 31 2025US$2mUS$676k

-US$27m

Sep 30 2025n/an/a

-US$26m

Jun 30 2025n/an/a

-US$26m

Mar 31 2025n/an/a

-US$27m

Dec 31 2024US$1mUS$650k

-US$31m

Sep 30 2024n/an/a

-US$32m

Jun 30 2024n/an/a

-US$34m

Mar 31 2024n/an/a

-US$36m

Dec 31 2023US$2mUS$625k

-US$37m

Sep 30 2023n/an/a

-US$38m

Jun 30 2023n/an/a

-US$36m

Mar 31 2023n/an/a

-US$36m

Dec 31 2022US$2mUS$594k

-US$41m

Sep 30 2022n/an/a

-US$39m

Jun 30 2022n/an/a

-US$39m

Mar 31 2022n/an/a

-US$35m

Dec 31 2021US$2mUS$565k

-US$21m

Sep 30 2021n/an/a

-US$18m

Jun 30 2021n/an/a

-US$15m

Mar 31 2021n/an/a

-US$15m

Dec 31 2020US$1mUS$541k

-US$17m

Sep 30 2020n/an/a

-US$21m

Jun 30 2020n/an/a

-US$28m

Mar 31 2020n/an/a

-US$27m

Dec 31 2019US$1mUS$630k

-US$28m

Compensation vs Market: Angelos's total compensation ($USD1.88M) is below average for companies of similar size in the US market ($USD6.95M).

Compensation vs Earnings: Angelos's compensation has increased whilst the company is unprofitable.


CEO

Angelos Stergiou (50 yo)

13.6yrs
Tenure
US$1,877,810
Compensation

Dr. Angelos M. Stergiou, MD, Sc.D. h.c., is the Founder, President, Chief Executive Officer and Director of SELLAS Life Sciences Group, Inc. (formerly known as SELLAS Life Sciences Group AG) (formerly, Sel...


Leadership Team

NamePositionTenureCompensationOwnership
Angelos Stergiou
Founder13.6yrsUS$1.88m0.16%
$ 4.0m
John Burns
Senior VP & CFO8.6yrsUS$959.65k0.067%
$ 1.7m
Dragan Cicic
Senior VP & Chief Development Officer6.4yrsUS$991.80k0.064%
$ 1.6m
Stacy Yeung
VP, General Counsel & Corporate Secretary2.3yrsno datano data
Andrew Elnatan
Senior VP of Regulatory Affairs3.5yrsno datano data
6.4yrs
Average Tenure
50yo
Average Age

Experienced Management: SLS's management team is seasoned and experienced (6.4 years average tenure).


Board Members

NamePositionTenureCompensationOwnership
Angelos Stergiou
Founder13.6yrsUS$1.88m0.16%
$ 4.0m
Robert Van Nostrand
Independent Director8.6yrsUS$92.92k0.017%
$ 419.8k
John Varian
Independent Chairman of Board8.6yrsUS$120.92k0.012%
$ 292.3k
David Scheinberg
Independent Director8.6yrsUS$92.92k0.012%
$ 294.6k
Jane Wasman
Independent Director8.6yrsUS$92.92k0.022%
$ 547.5k
Sattva Neelapu
Member of Scientific Advisory Boardno datano datano data
Larry W. Kwak
Member of Scientific Advisory Board10.7yrsno datano data
Javier Pinilla-Ibarz
Member of Scientific Advisory Board9.7yrsno datano data
Guenther Koehne
Member of Scientific Advisory Boardno datano datano data
Katherine Kalin
Independent Director3.9yrsUS$92.92k0.053%
$ 1.3m
Alex Kentsis
Member of Scientific Advisory Board1.1yrsno datano data
Philip Amrein
Member of Scientific Advisory Board1.1yrsno datano data
8.6yrs
Average Tenure
67.5yo
Average Age

Experienced Board: SLS's board of directors are considered experienced (8.6 years average tenure).


Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/07/13 01:27
End of Day Share Price 2026/07/13 00:00
Earnings2026/03/31
Annual Earnings2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

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Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

SELLAS Life Sciences Group, Inc. is covered by 4 analysts. 2 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
James MolloyAlliance Global Partners
Aydin HuseynovLadenburg Thalmann & Company
Jason McCarthyMaxim Group