Moleculin Biotech
MBRXNASDAQUSD
- Source valuation snapshot. Not a live recalculation.
- Latest filed annual earnings; price snapshot date unavailable. Not forward P/E.
- Diluted earnings per share from the latest filed annual.
- $8.01 Prior regular-session close from the quote source.
- $8.00–$8.40 Regular-session low and high so far today.
- 13.9K Regular-session shares traded · Nov 11, 4:00 PM ET.
- Nov 13 projected Projected for 2026-11-13 from the company’s own results filings (SEC 8-K Item 2.02). The company has not confirmed the date.
- $3.22–$253.00 52-week trading low and high returned by the quote source.
Understand the Business
Why the Stock Moved
Period-matched expectations history is not yet available. Current metrics are not a substitute for a historical explanation.
The core investment thesis
Own MBRX if MBRX is a binary, pre-revenue oncology option: shareholder value depends on Annamycin/naxtarubicin proving it is a differentiated anthracycline in pivotal relapsed/refractory AML before financing dilution overwhelms holders.
MBRX price history
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Investment thesis
What must happen next
Annamycin/naxtarubicin must show clinically meaningful differentiation as a next-generation anthracycline in relapsed/refractory AML, because MBRX has no diversified commercial base to absorb a pivotal failure.HoldingMateriality: High
FY2025 GAAP annual revenue was $0, confirming the company remains dependent on pipeline conversion rather than existing product sales. If this holds, the company can move from pure cash burn to a potential approval, partnership, or launch path; if it breaks, most of the equity thesis is impaired.
Watch: The pivotal Phase 3 trial fails to show a benefit sufficient for regulators or clinicians in relapsed/refractory AML.
Supporting sources
Source notes are factual paraphrases; read the original disclosures below.
FY2025 GAAP annual revenue was $0, confirming the company remains dependent on pipeline conversion rather than existing product sales.
Open source ↗MBRX must keep access to capital long enough to reach value-creating clinical or regulatory milestones, because its pre-revenue model consumes cash before it can prove the asset.WeakeningMateriality: High
Cash increased from $4.278 million at FY2024 year-end to $8.878 million at FY2025 year-end. Financing terms determine how much of any clinical success accrues to current shareholders rather than new investors.
Watch: Equity markets close to small-cap biotech issuers before the next major Phase 3 catalyst.
Supporting sources
Source notes are factual paraphrases; read the original disclosures below.
Cash increased from $4.278 million at FY2024 year-end to $8.878 million at FY2025 year-end.
Open source ↗The company must keep development spending focused enough that cash burn funds the pivotal AML opportunity rather than diffusing across too many programs.HoldingMateriality: Medium
GAAP annual operating cash flow was negative $22.735 million in FY2025 versus negative $23.862 million in FY2024 and negative $27.639 million in FY2022. Disciplined burn extends the chance of reaching a decisive data readout without excessive dilution; unfocused spending shortens runway and raises the financing burden.
Watch: The pivotal Phase 3 program expands materially due to enrollment delays, added sites, or regulator-requested analyses.
Supporting sources
Source notes are factual paraphrases; read the original disclosures below.
GAAP annual operating cash flow was negative $22.735 million in FY2025 versus negative $23.862 million in FY2024 and negative $27.639.
Open source ↗MBRX’s relatively low liability burden must remain manageable so that future capital raises are driven by clinical investment needs rather than balance-sheet distress.StrengtheningMateriality: Medium
FY2025 liabilities were $7.120 million against FY2025 assets of $22.126 million. A clean balance sheet preserves negotiating leverage with investors or partners; rising debt-like claims would reduce common shareholders’ claim on any pipeline success.
Watch: MBRX takes on secured debt, convertible debt, or preferred financing to fund the Phase 3 program.
Supporting sources
Source notes are factual paraphrases; read the original disclosures below.
FY2025 liabilities were $7.120 million against FY2025 assets of $22.126 million.
Open source ↗
Full investment case & evidence
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Original research
Annamycin/naxtarubicin must show clinically meaningful differentiation as a next-generation anthracycline in relapsed/refractory AML, because MBRX has no diversified commercial base to absorb a pivotal failure. If this holds, the company can move from pure cash burn to a potential approval, partnership, or launch path; if it breaks, most of the equity thesis is impaired.
MBRX must keep access to capital long enough to reach value-creating clinical or regulatory milestones, because its pre-revenue model consumes cash before it can prove the asset. Financing terms determine how much of any clinical success accrues to current shareholders rather than new investors.
The company must keep development spending focused enough that cash burn funds the pivotal AML opportunity rather than diffusing across too many programs. Disciplined burn extends the chance of reaching a decisive data readout without excessive dilution; unfocused spending shortens runway and raises the financing burden.
MBRX’s relatively low liability burden must remain manageable so that future capital raises are driven by clinical investment needs rather than balance-sheet distress. A clean balance sheet preserves negotiating leverage with investors or partners; rising debt-like claims would reduce common shareholders’ claim on any pipeline success.
All standing thesis claims
Original report summary
MBRX is a binary, pre-revenue oncology option: shareholder value depends on Annamycin/naxtarubicin proving it is a differentiated anthracycline in pivotal relapsed/refractory AML before financing dilution overwhelms holders.
Bull case and bear case
Bull case and bear case for Moleculin Biotech
Where the evidence on Moleculin Biotech disagrees: Mixed on the latest evidence (Nov 3, 2026). Of its 4 thesis points, 1 strengthening, 2 holding and 1 weakening.
Bull case: what the evidence supports
Annamycin/naxtarubicin must show clinically meaningful differentiation as a next-generation anthracycline in relapsed/refractory AML, because MBRX has no diversified commercial base to absorb a pivotal failure.
The company must keep development spending focused enough that cash burn funds the pivotal AML opportunity rather than diffusing across too many programs.
MBRX’s relatively low liability burden must remain manageable so that future capital raises are driven by clinical investment needs rather than balance-sheet distress.
Bear case: what the evidence questions
MBRX must keep access to capital long enough to reach value-creating clinical or regulatory milestones, because its pre-revenue model consumes cash before it can prove the asset.
Thesis-Break Engine
Thesis-break watch · Moleculin Biotech
No break has crossed Moleculin Biotech’s thesis. Its break conditions are checked against every new filing as it lands.
MARKET + FINANCIAL SNAPSHOT
The numbers behind the thesis
What Changed
No assessed change was returned in this research window. That can reflect a quiet period or a coverage limit.
Risks / falsifiers
What could break the thesis
- The pivotal Phase 3 trial fails to show a benefit sufficient for regulators or clinicians in relapsed/refractory AML.
- Equity markets close to small-cap biotech issuers before the next major Phase 3 catalyst.
- The pivotal Phase 3 program expands materially due to enrollment delays, added sites, or regulator-requested analyses.
- MBRX takes on secured debt, convertible debt, or preferred financing to fund the Phase 3 program.
MBRX news
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Financial statements
MBRX income statement
Annual filed results · USD · Oldest to newest. Margins are calculated from the reported figures.
MBRX: quick answers
- When does Moleculin Biotech (MBRX) report earnings next?
- Moleculin Biotech's next results are projected for November 13, 2026, from the dates of its own results filings with the SEC. The company has not confirmed the date. It last reported on August 14, 2026. Earnings calendar
- What is MBRX's short interest?
- As of October 30, 2026, 54,541 MBRX shares were sold short, down 56.8% from the count before. At the stock's average daily volume that is 1.0 day to cover. FINRA publishes the count twice a month. MBRX short interest history
