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Research & education only — not financial advice.TENK is not a registered investment adviser; calls are impersonal, generated from SEC filings and a delayed/third-party price feed, and may be wrong or out of date. The operator and an affiliated trading operation may hold or trade the securities TENK rates — see Disclosures. Do your own research.

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Home›Stocks›SLS

SLS

SELLAS Life Sciences Group, Inc.

Next earnings Aug 10, 2026 · consensus $-0.05 EPS

Last earnings -0.6% on 2026-05-12

Avoid
$14.98
▼ -3.04%
$14.98▲ +668.21%
over 1Y
L $1.39H $15.45
Earnings Dividend Split Congress buy Congress sellGrouped by date · hover a pin to expand
Today-3.0%
1W+42.3%
1M+79.8%
3M+262.7%
YTD+244.4%
1Y+668.2%
OverviewFinancialsValuationQualityTimelineFilings
Rating
Avoid
Quality
C-
Valuation
Fair value
Filings
Watch
Avoid
Conviction
Horizon
Long (>12mo)
Street · 6 analysts
Buy

Pre-revenue biotech whose entire value rides on a binary Phase 3 AML readout — well-funded, but a coin-flip, not an investment.

Net income -$26.9M · FY2025

SELLAS is a late-stage clinical biopharma with zero approved products and zero product revenue; the company states plainly it 'may never generate such revenues or achieve profitability.' The income statement reflects this: a $26.9M net loss in FY2025 (improved from -$30.9M in FY2024 and -$41.3M in FY2022) and -$28.4M of operating cash flow. The lone reported 'revenue' line is FY2023 at $0.00 — there is no commercial business to underwrite a fundamentals-based call. Returns on capital are deeply negative (ROE -37.9%) against a -$275M accumulated deficit, and every dollar of value here is an option on clinical success, not on earnings.

The one genuine strength is the balance sheet. A FY2025 capital raise (shares outstanding +97.7%, equity +648.8%) lifted cash to $71.8M with total liabilities of just $7.47M and no long-term debt (liabilities/equity 0.11x). Against ~$28M annual operating burn, that is roughly two-plus years of runway — enough to reach the catalyst without an immediate financing gun to the head, though the heavy dilution to get there is itself a cost shareholders already bore and may bear again. Management explicitly warns losses will 'increase' as it funds the Phase 3 REGAL trial and SLS009.

AI-generated analysis, produced by our proprietary engine from SEC filing data.

Investment recommendation produced by TENK/calls (tenkcalls.com), Luxembourg. Completed Jun 29, 2026, 11:59 PM ET. Ratings & methodology: definitions · All recommendations to date: track record · Conflicts: disclosures. Not investment advice.

Financials · annual, by fiscal year

Line itemFY21FY22FY23FY24FY25
Revenue$7.60M$1.00M$0.00——
Gross profit—————
Operating income-$25.3M-$42.0M-$37.9M-$31.5M-$28.3M
Net income-$20.7M-$41.3M-$37.3M-$30.9M-$26.9M
Diluted EPS-$1.34-$2.13-$1.34-$0.50-$0.25
Net margin-272.4%-4130.1%———

Annual figures from SEC 10-K XBRL filings. Open the filing links below for full statement detail.

Key statistics

Valuation

Enterprise value$2.87B
EV / EBITDA—
EV / Sales—
EV / FCF—
P / FCF—
PEG (trailing)—
Earnings yield-0.9%
FCF yield-1.0%

Quality & risk

ROIC (est.)-31.5%
Free cash flow-$28.4M
Total debt$0.00
Net cash$71.8M
Altman Z-Score231.40 safe
Piotroski F-Score3/8

Capital returns

Buyback yield0.1%
Dividend yield (est.)0.0%
Shareholder yield0.1%
Shares Δ YoY+97.7%

Computed from SEC XBRL annual figures + the current quote. EV and ROIC use long-term + current debt where filed; estimates, not investment advice.

Disclosure timeline

SEC · 8-Ks + reports
Some governance/structural items recently, but no outright red flags.
  1. 8-K Officer / director change2026-06-25

    Officer/director change disclosed (Item 5.02); no stated financial impact

  2. 8-K Shareholder vote2026-06-18

    Annual meeting vote results reported; routine governance, no operational change

  3. 8-K Other event2026-06-02

    Other-events disclosure (8.01); corporate/clinical update, impact unspecified

  4. 8-K Earnings results2026-05-12

    Q1 2026: net loss continues, dilution heavy, ~$72M cash funds REGAL readout

  5. 10-Q Quarterly report2026-05-12

    Q1 2026: net loss continues, dilution heavy, ~$72M cash funds REGAL readout

  6. DEF 14A Proxy statement2026-04-23

    Annual meeting proxy; routine board/comp/auditor votes, no business change

  7. 8-K Earnings results2026-03-19

    FY2025 10-K: loss narrowed to $26.9M, $71.8M cash; REGAL at 72/80 events

  8. 10-K Annual report2026-03-19

    FY2025 10-K: loss narrowed to $26.9M, $71.8M cash; REGAL at 72/80 events

  9. 8-K Other event2026-03-11

    Other-events disclosure (8.01); corporate/clinical update, impact unspecified

Recent filings

all on EDGAR ↗
8-KPeriod ending 2026-06-242026-06-25open ↗8-KPeriod ending 2026-06-162026-06-18open ↗4Period ending 2026-06-162026-06-18open ↗S-8Filing2026-06-16open ↗8-KPeriod ending 2026-06-022026-06-02open ↗8-KPeriod ending 2026-05-122026-05-12open ↗10-QPeriod ending 2026-03-312026-05-12open ↗SCHEDULE 13G/AFiling2026-04-24open ↗ARSPeriod ending 2025-12-312026-04-23open ↗DEFA14AFiling2026-04-23open ↗DEF 14APeriod ending 2026-06-162026-04-23open ↗SCHEDULE 13G/AFiling2026-03-27open ↗

Quality score

C-
ValueGrowthProfitHealthMom.
Value—
GrowthD
ProfitabilityF
Financial healthB-
MomentumA
  • ✗Revenue growing year-over-year
  • ✗Profitable (positive net income)
  • ✗Return on equity above 15%
  • ✓Liabilities below 2× equity
1.3952-week15.45
Revenue
$0.00
-100.0% YoY
Net margin
—
ROE
-37.9%
P/E
—

SEC fundamentals · FY 2025

'21'22'23'24'25

■ revenue · ■ net income, by fiscal year

Revenue$0.00-100.0%
Net income-$26.9M+13.0%
Operating income-$28.3M+10.3%
Diluted EPS-$0.25+50.0%
Cash & equivalents$71.8M+417.0%
Total assets$78.3M+303.2%
Total liabilities$7.47M-25.0%
Stockholders' equity$70.9M+648.8%
L/E: 0.11x

Frequently asked

Is SELLAS Life Sciences Group, Inc. (SLS) a buy?
SLS currently carries a Avoid rating with 4/5 conviction, derived from its latest SEC filings. Pre-revenue biotech whose entire value rides on a binary Phase 3 AML readout — well-funded, but a coin-flip, not an investment.
What is SELLAS Life Sciences Group, Inc.'s quality score?
SLS scores 53.011700318100424/100 (grade C-) on a SEC-grounded quality model spanning value, growth, profitability, financial health and momentum.

Sources: SEC EDGAR (CIK 0001390478, latest 10-Q filed 2026-05-12) · EODHD · Proprietary analysis · as of 6/30/2026, 3:59:06 AM.

Research and education only — not financial advice. TENKis not a registered investment adviser or broker-dealer and gives no personalized advice. Every call is impersonal — identical for all users, generated on a schedule from SEC filings plus a delayed/third-party price feed — may be wrong or out of date, and is not a recommendation to buy or sell any security. The operator and an affiliated trading operation may hold or trade the securities TENK rates; see Disclosures. Past performance does not guarantee future results. Do your own research.

Insider activity

Form 4 · SEC
2026-06-16
Stergiou Angelos M.
President and CEO
Award1.06M
2026-01-07
Varian John
Director
Award50.0K
2026-01-07
VAN NOSTRAND ROBERT L
Director
Award50.0K
2026-01-07
SCHEINBERG DAVID A
Director
Award50.0K
2026-01-07
CICIC DRAGAN
SVP, Chief Development Officer
Award300K
2026-01-07
Burns John Thomas
CFO
Award300K
2026-01-07
Kalin Katherine Bach
Director
Award50.0K
2026-01-07
Wasman Jane
Director
Award50.0K

Earnings history

beat/miss · move
2026-05-12Miss -23.8% est▼ -0.57%8-K ↗
2026-03-19Beat +23.9% est▲ +5.05%8-K ↗
2026-01-08Beat +23.9% est▼ -4.46%8-K ↗
2025-11-12Beat +10.0% est▼ -1.32%8-K ↗
2025-08-12Beat +15.9% est▲ +4.55%8-K ↗
2025-05-13—▼ -8.44%8-K ↗

Dates from 8-K (Item 2.02); beat/miss = reported EPS vs consensus (Finnhub, recent quarters); move = prior close → close on/after.

Recent news

market news →
Top Biotech Gainers: PPCB Launches Share Buyback, VRXA Partners With ATUM, SLS On WatchBullish
nasdaq.com· 2026-07-03
Stocks making the biggest moves premarket: AeroVironment, Strategy, Merck & moreBullish
cnbc.com· 2026-06-30
Top Biotech Gainers: UPC Expands Patent Portfolio, All Eyes On SLS, What's Behind The QDEL Rumor?Bullish
nasdaq.com· 2026-06-30
Is SELLAS Life Sciences Group, Inc. (SLS) A Good Stock To Buy Now?Bullish
finance.yahoo.com· 2026-06-29
Sellas (SLS) Extends Rally, New Filing Hints at Company TakeoverBullish
finance.yahoo.com· 2026-06-26
Top Biotech Gainers: TECH Bought Out, MSLE On Watch, KYMR Hits New High, What's The Buzz At SLS?Bullish
nasdaq.com· 2026-06-26

Vs tracked universe

compare →

1195 tracked peers · median

TENK Score53 vs 67
Revenue growth-100.0% vs 7.5%
Net margin— vs 10.0%
Return on equity-37.9% vs 12.0%
P/E— vs 26.2

News sentiment

EODHD · 11d
Bullish
+0.13
vs typical · 16 articles
↓ cooling

Recent news tone vs the market's typical (which skews positive). A soft signal, not a recommendation.

Retail buzz

Reddit · ApeWisdom
#76
most mentioned
3
mentions · 24h
-88% vs prior day

Crowd attention, not a quality signal — weigh it against the figures above. All trending →