APTO - Aptose Biosciences... Stock Analysis | Stock Taper
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Aptose Biosciences Inc.

APTO

Aptose Biosciences Inc. NASDAQ
$1.71 100.00% (+1.71)

Market Cap $4.36 M
52w High $43.19
52w Low $1.10
P/E -0.05
Volume 648.21K
Outstanding Shares 2.55M

Income Statement

Period Revenue Operating Expense Net Income Net Profit Margin Earnings Per Share EBITDA
Q3-2025 $0 $4.91M $0 0% $-2.01 $111K
Q2-2025 $0 $6.92M $-7.04M 0% $-2.76 $0
Q1-2025 $0 $5.46M $-5.54M 0% $-2.61 $-5.36M
Q4-2024 $452.98K $2.19M $-1.58M -349.91% $-0.28 $23.86M
Q3-2024 $0 $6.96M $-6.95M 0% $-1.24 $-6.96M

What's going well?

The company made big cuts to its expenses, especially in R&D and overhead. Losses shrank dramatically compared to last quarter, showing better cost control.

What's concerning?

APTO still has zero revenue, so it is not bringing in any money from sales. Without revenue, the business can't be sustainable long-term, no matter how much costs are reduced.

Balance Statement

Period Cash & Short-term Total Assets Total Liabilities Total Equity
Q3-2025 $613K $6.34M $25.79M $-19.45M
Q2-2025 $553K $5.59M $19.96M $-14.37M
Q1-2025 $4.7M $7.47M $14.86M $-7.39M
Q4-2024 $6.15M $10.13M $14.67M $-4.54M
Q3-2024 $7.96M $10.93M $20.06M $-9.13M

What's financially strong about this company?

Debt is relatively low and there are no hidden or off-balance-sheet risks. The company has no goodwill or intangible assets, so asset values are clear.

What are the financial risks or weaknesses?

The company has negative equity, very little cash, and can't cover its short-term bills. Years of losses have wiped out shareholder value, and survival will likely require raising new money or taking on more debt.

Cash Flow Statement

Period Net Income Cash From Operations Cash From Investing Cash From Financing Net Change Free Cash Flow
Q3-2025 $-5.12M $0 $0 $7.75M $339K $0
Q2-2025 $-7.04M $2.79M $0 $2.5M $-3.44M $2.79M
Q1-2025 $-5.54M $-2.79M $0 $829K $-1.96M $-2.79M
Q4-2024 $-1.58M $-8.06M $0 $6.8M $-1.25M $-8.06M
Q3-2024 $-6.95M $-10.38M $0 $10.01M $-368K $-10.38M

What's strong about this company's cash flow?

Non-cash expenses make up most of the losses, so actual cash burn is less than the reported net loss. The company was able to raise $7.8M in outside funding this quarter.

What are the cash flow concerns?

No cash is being generated from operations, and the company is now fully reliant on outside funding to survive. Cash on hand is low, and payables are being paid down, which further strains cash.

Q1 2024 Earnings Call Summary

Read Call Summary

5-Year Trend Analysis

A comprehensive look at Aptose Biosciences Inc.'s financial evolution and strategic trajectory over the past five years.

+ Strengths

Key strengths include a well-defined focus on difficult blood cancers, drug candidates engineered to address treatment resistance and diverse mutations, and early clinical data for tuspetinib that suggest meaningful improvements over standard regimens in select settings. The company’s asset-light structure and absence of complex legacy acquisitions simplify its story, and patent protection provides a potentially long commercialization window if approvals are achieved. Recent cost controls have extended the financial runway in the near term.

! Risks

Major risks center on the lack of revenue, ongoing cash burn, and a balance sheet that has shifted into negative equity with rising debt. Clinical and regulatory uncertainty remains high, as is typical in oncology drug development, and any disappointment in trial outcomes could severely constrain options given limited financial reserves. Competitive pressure from larger, better-funded players, along with a history of reverse splits and reliance on equity issuance, adds further dilution and financing risk for existing stakeholders.

Outlook

The outlook for Aptose is highly binary and depends largely on clinical outcomes and corporate events rather than on incremental operating improvements. If the promising early results for tuspetinib and luxeptinib translate into successful late-stage trials and regulatory approvals, especially under the umbrella of Hanmi’s stronger balance sheet, the company’s profile could change dramatically. Conversely, delays, setbacks, or failure to close or capitalize on the announced acquisition would leave a small, cash-constrained biotech with limited room to maneuver. Overall, the scientific trajectory is encouraging, but the financial and execution risks remain substantial.