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Sellas Life Sciences Group(NASDAQ) SLS

Market Cap$2.67BMarket cap calculated using publicly traded shares outstanding only. Does not include unlisted, private, or dual-class non-traded shares. Implied market cap may vary.
Since IPO (2018)-96%
5 Year+42%
1 Year+588%
1 Month+31%
Premium Feature
Moneyball Superscore
47/100
$13.01
-1.51%
-0.20Today
Sellas Life Sciences Group last closing stock price
MetricPriceDate
Last closeUSD 13.212026-08-28
Sellas Life Sciences Group stock price return by period
PeriodPrice returnPrice at period startPeriod start date
1 week-14.55%USD 15.462026-08-21
1 month+30.79%USD 10.102026-07-29
3 month+41.89%USD 9.312026-05-29
Year to date+250.4%USD 3.772025-12-31
1 year+588.02%USD 1.922025-08-28
3 year+802.01%USD 1.462023-08-29
5 year+41.74%USD 9.322021-08-27
Since inception-96.06%USD 335.232018-01-02

Sellas Life Sciences Group Financials at a Glance

Market Cap

$2.67BMarket cap calculated using publicly traded shares outstanding only. Does not include unlisted, private, or dual-class non-traded shares. Implied market cap may vary.

Revenue (TTM)

$0.00

Net Income (TTM)

-$32.46M

EPS (TTM)

-$0.21

P/E Ratio

-62.25

Dividend

$0.00

Beta (Volatility)

1.31 (Average)

Price

$13.01

Volume

4,435,552.745

Open

$13.33

Previous Close

$13.21

Daily Range

$12.94 - $13.67

52-Week Range

$1.39 - $15.88

Estimated Earnings Date

Nov 11, 2026

SLS News

No articles available.

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About Sellas Life Sciences Group

SELLAS Life Sciences Group, Inc. makes new cancer medicines. These medicines help the body find and kill tumor cells. They help patients fighting blood and solid tumor cancers.

Key Treatments in Development

  • Galinpepimut-S (GPS): Immunotherapy targeting the Wilms tumor 1 (WT1) protein, which acts as a marker found in more than 20 cancer types.
  • SLS009 (tambiciclib): Selective inhibitor of the CDK9 protein, which helps cancer cells grow, designed to reduce toxicity compared to older treatments.
  • Clinical Combinations: Research testing company drugs alongside other treatments to attack blood cancers and solid tumors.

Clinical Milestones and Strategic Alliances

  • Completed enrollment for the Phase 3 REGAL clinical trial in March 2024.
  • Entered an exclusive license agreement with GenFleet Therapeutics in March 2022 for worldwide rights to SLS009.
  • Partnered with the IMPACT-AML network in January 2026 to conduct clinical studies and expand European patient access.
  • Received Rare Pediatric Disease designation from the FDA for GPS to treat pediatric acute myeloid leukemia, a type of blood cancer, in October 2024.

What Makes Sellas Different?

Sellas holds multiple regulatory designations, such as Orphan Drug and Fast Track status, which provide incentives for developing treatments for rare diseases. The company also focuses on maintenance therapy, which aims to keep patients in remission after their initial cancer treatment ends.

A Look at the Numbers

  • Net loss was $18.0 million for the six months ended June 30, 2026.
  • Cash and cash equivalents totaled $138.3 million as of June 30, 2026.
  • Research and development expenses were $11.4 million for the six months ended June 30, 2026, compared to $7.1 million for the six months ended June 30, 2025.
  • Manufacturing costs grew by $2.3 million for the six months ended June 30, 2026, to prepare for potential drug approval filings.
  • Financing activities provided $82.9 million in net cash during the six months ended June 30, 2026.

Bottom Line

Sellas has progressed from early research to late-stage clinical testing of its primary cancer therapies. International partnerships and significant cash reserves support the company's efforts to reach regulatory approval and commercial use for its drug candidates.

AI Generated • Aug 12, 2026

Industry

Biotechnology

Employees

13

CEO

Angelos M. Stergiou, MD

Headquarters

New York, NY 10036, US

SLS Financials

Key Financial Metrics (TTM)

Gross Margin

0.00%

Operating Margin

0.00%

Net Income Margin

0.00%

Return on Equity

-35.91%

Return on Capital

-39.34%

Return on Assets

-22.33%

Earnings Yield

-1.61%

Dividend Yield

0.00%

Payout Ratio

0.00%

Stock Overview

Market Cap

$2.67BMarket cap calculated using publicly traded shares outstanding only. Does not include unlisted, private, or dual-class non-traded shares. Implied market cap may vary.

Shares Outstanding

201.95M

Volume

4.44M

Avg. Volume

8.69M

Financials (TTM)

Gross Profit

$0.00

Operating Income

-$35.22M

EBITDA

-$25.38M

Operating Cash Flow

-$28.42M

Capital Expenditure

$0.00

Free Cash Flow

-$28.42M

Cash & ST Invst.

$138.44M

Total Debt

$737.00K

Sellas Life Sciences Group Performance Analysis

Sellas Life Sciences Group annual revenue and year-over-year revenue growth by fiscal year
Fiscal yearPeriod endRevenueYoY growth
20222022-12-31USD 1,000,000-86.8%
20232023-12-31USD 0N/A
20242024-12-31USD 0N/A
20252025-12-31USD 0N/A
Sellas Life Sciences Group sequential (quarter-over-quarter) revenue growth by fiscal quarter
Fiscal quarterPeriod endQoQ growth
Q32025-09-30N/A
Q42025-12-31N/A
Q12026-03-31N/A
Q22026-06-30N/A
Sellas Life Sciences Group annual diluted earnings per share and year-over-year EPS growth by fiscal year
Fiscal yearPeriod endDiluted EPSYoY growth
20222022-12-31USD -2.1359.3%
20232023-12-31USD -1.34-36.9%
20242024-12-31USD -0.50-62.5%
20252025-12-31USD -0.25-51.2%
Sellas Life Sciences Group sequential (quarter-over-quarter) diluted earnings per share growth by fiscal quarter
Fiscal quarterPeriod endQoQ growth
Q32025-09-3010.6%
Q42025-12-3120.1%
Q12026-03-312.6%
Q22026-06-30-2.7%

Revenue Growth Rate

Annual and quarterly growth comparison

Earnings Per Share Growth Rate

Annual and quarterly EPS growth comparison

Quarterly Performance

Name
Q2 2026YOY CHG

Revenue

$0.00

N/A

Gross Profit

$0.00

N/A

Gross Margin

0.00%

N/A

Market Cap

$2.67BMarket cap calculated using publicly traded shares outstanding only. Does not include unlisted, private, or dual-class non-traded shares. Implied market cap may vary.

N/A

Market Cap/Employee

$205.21M

N/A

Employees

13

N/A

Net Income

-$9.61M

-45.5%

EBITDA

-$9.61M

-45.5%

Quarterly Fundamentals

Name
Q2 2026YOY CHG

Total Cash

$138.44M

+447.3%

Total Debt

$737.00K

+0.0%

Accounts Receivable

$0.00

N/A

Inventory

$0.00

N/A

Long Term Debt

$157.00K

+0.0%

Short Term Debt

$580.00K

+0.0%

Return on Assets

-22.33%

N/A

Return on Invested Capital

-25.56%

N/A

Free Cash Flow

-$7.59M

-3.5%

Operating Cash Flow

-$7.59M

-3.5%

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Questions About SLS

What is the current price of Sellas Life Sciences Group?

Sellas Life Sciences Group is trading at $13.07 per share.

What is the 52-week range for Sellas Life Sciences Group?

Over the past 52 weeks, Sellas Life Sciences Group has traded between $1.39 and $15.88.

How much debt does Sellas Life Sciences Group have?

As of the most recent reporting period, Sellas Life Sciences Group reported total debt of $737.00K.

How much cash does Sellas Life Sciences Group have on hand?

Sellas Life Sciences Group reported $138.44M in cash and cash equivalents in its most recent financial results.

What is Sellas Life Sciences Group’s dividend yield?

Sellas Life Sciences Group does not currently have a dividend yield.

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