SELLAS Life Sciences Group, Inc.

SLS

SELLAS Life Sciences Group, Inc.

SLS

Insider Sentiment (TTM):

Last Purchase:2025-11-19Last Sale:2022-12-05Shares Purchased (TTM):63,400Shares Sold (TTM):0

Institutional Sentiment:

As of:2026-03-31Institutional Shares Owned:52,977,817Shares Outstanding:172,481,541Institutional Ownership Pct.:30.72%

Earnings Market Reaction:

Filing Date:2026-08-11Price on Filing Date:N/APrevious Close:N/A% Change:N/A

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Financial Statements

10‑Q10‑K

Values in Millions ($)	2026-06-30	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30	2024-03-31	2023-12-31	2023-09-30
Assets
Assets Current
Cash And Cash Equivalents At Carrying Value	138	107	72	44	25	28	14	21	9	18	3	4
Restricted Cash And Cash Equivalents At Carrying V…	0	0	0	0	0	0	0	0	0	0	0	0
Prepaid Expense And Other Assets Current	4	4	3	5	4	3	2	3	3	3	1	1
Assets Current	143	111	75	49	29	32	16	24	12	22	3	5
Operating Lease Right Of Use Asset	1	1	1	1	1	1	1	1	1	1	1	1
Goodwill	2	2	2	2	2	2	2	2	2	2	2	2
Deposits Assets Noncurrent	0	0	0	0	0	0	0	0	0	0	0	0
Assets	145	114	78	52	32	35	19	27	15	24	6	8
Liabilities And Stockhold…
Liabilities Current
Accounts Payable Current	3	4	3	2	3	4	4	5	6	7	6	4
Accrued Liabilities Current	4	2	4	3	2	3	5	5	5	7	8	7
Operating Lease Liability Current	1	1	1	1	1	1	1	1	1	0	0	0
Liabilities Current	8	6	7	6	6	7	10	11	12	14	14	12
Operating Lease Liability Noncurrent	0	0	0	0	0	0	0	0	0	0	0	0
Liabilities	8	7	7	6	6	7	10	11	12	15	14	12
Stockholders Equity
Preferred Stock Value	-	-	-	-	-	-	-	0	0	0	0	0
Common Stock Value	0	0	0	0	0	0	0	0	0	0	0	0
Additional Paid In Capital Common Stock	431	391	346	313	287	282	258	257	237	236	209	205
Retained Earnings Accumulated Deficit	-293	-283	-275	-267	-261	-254	-248	-241	-234	-227	-217	-209
Stockholders Equity	138	107	71	46	26	28	9	16	3	10	-8	-4
Liabilities And Stockholders Equity	145	114	78	52	32	35	19	27	15	24	6	8
Series A Preferred Stock	-	-	-	-	-	-	-	0	0	0	0	-
Preferred Stock Par Or Stated Value Per Share	-	-	-	-	-	-	-	0	0	0	0	0
Preferred Stock Shares Authorized	-	-	-	-	-	-	-	5	5	5	5	5
Preferred Stock Shares Issued	-	-	-	-	-	-	-	0	0	0	0	0
Preferred Stock Shares Outstanding	-	-	-	-	-	-	-	0	0	0	0	0
Common Stock Par Or Stated Value Per Share	0	0	0	0	0	0	0	0	0	0	0	0
Common Stock Shares Authorized	350	350	350	350	350	350	350	350	350	350	350	350
Common Stock Shares Issued	202	181	153	125	100	91	74	64	58	56	32	28
Shares Outstanding	202	181	153	125	100	91	74	64	58	56	32	28

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10‑Q10‑K

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Interactive Financial Visualizations

10‑Q10‑K

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Earnings Market Reaction

10‑Q10‑K

Fiscal Year	Q1 1 Month	Q1 2 Month	Q1 3 Month	Q2 1 Month	Q2 2 Month	Q2 3 Month	Q3 1 Month	Q3 2 Month	Q3 3 Month	Q4 1 Month	Q4 2 Month	Q4 3 Month
2026	57.66%	186.97%	91.76%	-	-	-	-	-	-	-	-	-
2025	14.18%	53.90%	17.73%	18.63%	16.15%	13.04%	16.78%	191.95%	153.02%	-8.46%	-3.65%	58.27%
2024	5.84%	-11.68%	-12.41%	0.00%	5.88%	0.00%	-10.24%	-14.96%	27.56%	-6.61%	28.93%	33.06%
2023	-	-	-	-	-	-	18.68%	16.48%	-43.96%	52.48%	44.55%	48.51%
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Performance and Valuation Metrics

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Metrics	2026-06-30	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30	2024-03-31	2023-12-31	2023-09-30
Liquidity Ratios
Current Ratio	18.83	17.22	10.72	8.28	4.91	4.64	1.72	2.26	1.02	1.49	0.23	0.44
Quick Ratio	18.29	16.60	10.25	7.50	4.23	4.14	1.47	1.99	0.77	1.28	0.19	0.35
Working Capital	134.94M	104.71M	68.19M	43.13M	23.45M	25.09M	6.82M	13.42M	257.00K	7.06M	-10.56M	-6.53M
Leverage & Debt
Debt to Equity	0.06	0.06	0.11	0.13	0.24	0.26	1.05	0.67	4.19	1.52	-1.78	-3.11
Interest Coverage TTM	-12.77	-15.68	-20.04	-27.07	-29.42	-34.78	-49.86	-48.62	-63.63	-59.99	-53.56	-60.96
Debt Ratio	0.05	0.06	0.10	0.11	0.19	0.21	0.51	0.40	0.81	0.60	2.28	1.47
Efficiency & Turnover
Asset Turnover TTM	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Per Share Metrics
Diluted EPS TTM	-0.17	-0.17	-0.25	-0.24	-0.27	-0.31	-0.50	-0.47	-0.60	-0.80	-1.34	-1.35
Free Cash Flow Per Share TTM	-0.15	-0.16	-0.26	-0.28	-0.32	-0.38	-0.58	-0.48	-0.56	-0.67	-1.13	-1.12
Dividend Per Share TTM	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Growth Metrics
Net Revenue Growth (1Y)	-	-	-	-	-	-	-	-	-	-	-100.00%	-100.00%
Net Income Growth (1Y)	23.62%	8.59%	-13.01%	-19.63%	-23.75%	-24.24%	-17.30%	-15.77%	-4.55%	0.43%	-9.59%	-1.17%
EPS Growth (1Y)	-35.60%	-44.75%	-51.18%	-49.40%	-55.42%	-61.32%	-62.47%	-65.01%	-53.05%	-47.23%	-36.87%	-28.33%
Valuation Metrics
P/E TTM	-86.02	-24.77	-15.30	-6.73	-8.22	-3.49	-2.06	-2.64	-1.99	-1.26	-0.79	-1.21
P/B TTM	20.28	6.79	5.80	3.82	8.25	3.41	6.72	5.37	23.54	4.67	-3.69	-12.15
Market Cap	2.79B	729.60M	411.12M	174.52M	215.84M	94.78M	63.65M	85.32M	68.58M	45.26M	29.44M	46.50M
Enterprise Value	2.65B	622.40M	339.23M	130.10M	190.45M	66.28M	49.66M	64.19M	59.33M	26.75M	26.81M	42.43M
Calculated Values
Free Cash Flow TTM	-28.42M	-28.17M	-28.39M	-30.62M	-31.36M	-33.71M	-35.40M	-33.07M	-32.16M	-30.04M	-31.41M	-31.74M
Net Debt	-138.44M	-107.20M	-71.89M	-44.42M	-25.40M	-28.50M	-13.99M	-21.13M	-9.25M	-18.52M	-2.63M	-4.07M
Per-Share and Margin
EPS TTM
Adjusted EPS TTM
Cash Flow Per Share TTM
Pretax Margin TTM
Stock Comp to Revenue TTM
Turnover Ratios and Averages
Average Assets
Average Equity
Average Inventory
Average Receivables
Average Accounts Payables
Inventory Turnover TTM
Payables Turnover TTM
Days Inventory Outstanding TTM
Days Payables Outstanding TTM
Cash Conversion Cycle TTM
Working Capital to Revenue
Deferred Revenue to Revenue
Growth Rates
Total Assets Growth (1Y)
Total Assets Growth (3Y)
Total Assets Growth (5Y)
Dividends Paid Growth (1Y)
Dividends Paid Growth (3Y)
Dividends Paid Growth (5Y)
EPS Growth (3Y)
EPS Growth (5Y)
Net Income Growth (3Y)
Net Income Growth (5Y)
Net Profit Margin Growth (1Y)
Net Profit Margin Growth (3Y)
Net Profit Margin Growth (5Y)
Net Revenue Growth (3Y)
Net Revenue Growth (5Y)
Deferred Revenue Growth (1Y)
Retained Earnings Growth (1Y)
Credit, Liquidity, Returns, Payout
Cash Ratio
Net Working Capital
Debt to EBITDA TTM
Net Debt to EBITDA TTM
Net Debt to Equity
Altman A
Altman B
Altman C
Altman D
Altman E
Altman Z-Score
ROA TTM
ROE TTM
NOPAT TTM
ROIC TTM
Effective Tax Rate TTM
Payout Ratio TTM
Dilution Ratio
Retained Earnings to Equity
Treasury Stock to Equity
Treasury Stock Change (1Y)
Accrued to Current Liabilities
NCAV
NCAV Per Share TTM
Valuation Ratios
P/CF TTM
PEG Ratio
Dividend Yield TTM
Free Cash Flow Yield TTM
EV EBITDA TTM
EV EBIT TTM
EV Revenue TTM
EV FCF TTM
Stock Compensation TTM
Adjusted Net Income TTM
Billings TTM
Total Debt
Invested Capital

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Insider Transactions

2025-11-19Purchase

Owner: Kalin, Katherine Bach

Title: -

Shares: 63,400

Price/Share: $1.59

Value: $100,806.00

Shares Owned: 104,400

Relationship: Director

Ownership: Direct

2025-06-12Purchase

Owner: Van, Nostrand Robert L

Title: -

Shares: 10,000

Price/Share: $1.48

Value: $14,800.00

Shares Owned: 20,400

Relationship: Director

Ownership: Direct

2025-05-30Purchase

Owner: Wasman, Jane

Title: -

Shares: 20,000

Price/Share: $1.69

Value: $33,800.00

Shares Owned: 30,400

Relationship: Director

Ownership: Direct

2025-05-22Purchase

Owner: Kalin, Katherine Bach

Title: -

Shares: 20,000

Price/Share: $1.80

Value: $36,000.00

Shares Owned: 41,000

Relationship: Director

Ownership: Direct

2022-12-05Sale

Owner: Wood, Barbara A

Title: EVP, Gen. Counsel, Corp. Sec.

Shares: 2,153

Price/Share: $2.59

Value: $5,576.27

Shares Owned: 56,344

Relationship: Officer

Ownership: Direct

Filed Date	Owner	Relationship	Title	Ownership	Purchase/Sale	No. Shares	Price Per Share	Value	Shares Owned	Document Type
2025-11-19	Kalin, Katherine Bach	Director	-	Direct	Purchase	63,400	1.59	$100,806.00	104,400	4
2025-06-12	Van, Nostrand Robert L	Director	-	Direct	Purchase	10,000	1.48	$14,800.00	20,400	4
2025-05-30	Wasman, Jane	Director	-	Direct	Purchase	20,000	1.69	$33,800.00	30,400	4
2025-05-22	Kalin, Katherine Bach	Director	-	Direct	Purchase	20,000	1.80	$36,000.00	41,000	4
2022-12-05	Wood, Barbara A	Officer	EVP, Gen. Counsel, Corp. Sec.	Direct	Sale	2,153	2.59	$5,576.27	56,344	4
2022-12-05	Burns, John Thomas	Officer	Senior VP, Finance & CAO	Direct	Sale	1,159	2.59	$3,001.81	29,347	4
2022-12-05	Stergiou, Angelos M.	Director,Officer	President and CEO	Direct	Sale	6,494	2.61	$16,949.34	161,689	4
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Institutional Ownership

No data available for chart

2026-03-31

30.72%

Inst. Shares: 52,977,817

Shares Outstanding: 172,481,541

2025-12-31

31.68%

Inst. Shares: 34,548,143

Shares Outstanding: 109,051,215

2025-09-30

29.51%

Inst. Shares: 31,983,848

Shares Outstanding: 108,396,260

2025-06-30

26.16%

Inst. Shares: 25,785,922

Shares Outstanding: 98,558,567

2025-03-31

15.90%

Inst. Shares: 13,953,192

Shares Outstanding: 87,760,320

Date	Institutional Shares Owned	Shares Outstanding	Institutional Ownership %
2026-03-31	52,977,817	172,481,541	30.72%
2025-12-31	34,548,143	109,051,215	31.68%
2025-09-30	31,983,848	108,396,260	29.51%
2025-06-30	25,785,922	98,558,567	26.16%
2025-03-31	13,953,192	87,760,320	15.90%
2024-12-31	6,498,742	61,202,412	10.62%
2024-09-30	5,056,911	68,254,021	7.41%
2024-06-30	3,741,765	57,630,506	6.49%
2024-03-31	2,630,911	44,812,996	5.87%
2023-12-31	3,235,552	27,777,111	11.65%
2023-09-30	2,685,868	28,355,427	9.47%
2023-06-30	3,070,668	28,347,920	10.83%
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SELLAS Life Sciences Group, Inc. (SLS) — SEC Financial Statements & Analysis

SELLAS Life Sciences Group, Inc. (SLS) is a pharmaceutical preparations company, incorporated in DE. SELLAS Life Sciences Group, Inc. trades on Nasdaq as: SLS. Based on its latest SEC filing (Form 10-Q, period ending 2026-06-30), SELLAS Life Sciences Group, Inc. reported a -100.00% year-over-year revenue growth, a Debt-to-Equity ratio of 0.06x, a Price-to-Book (P/B) ratio of 20.28x (TTM), at a market cap of $2.79B. Figures below are sourced from SEC EDGAR, as-filed.

Net Revenue TTM Growth 1Y: -100.00%
Debt To Equity: 0.06x
P/B TTM: 20.28x
Market Cap: $2.79B

Data as of 2026-06-30 · Source: SEC EDGAR

Frequently Asked Questions

What industry is SELLAS Life Sciences Group, Inc. in?

SELLAS Life Sciences Group, Inc. (SLS) operates in the Pharmaceutical Preparations industry.

What is SLS's market cap?

SELLAS Life Sciences Group, Inc. (SLS) has a market capitalization of $2.79B as of 2026-06-30.

What exchange does SLS trade on?

SELLAS Life Sciences Group, Inc. (SLS) trades on the Nasdaq.

Where is SELLAS Life Sciences Group, Inc. incorporated?

SELLAS Life Sciences Group, Inc. is incorporated in DE.