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Moleculin Biotech, Inc. (MBRX)·Q2 2025 Earnings Summary

Executive Summary

  • Q2 delivered operational momentum but a mixed P&L: zero revenue, reduced operating spend year over year, and a narrower sequential loss per share; EPS of $(0.49) missed S&P consensus of $(0.40)* primarily due to share count dynamics and non-cash warrant items .
  • MIRACLE (Phase 2B/3) advanced: four sites active (Ukraine, Georgia, Spain, US), with >20 additional EU/US sites expected to begin recruitment by Q3; Part A 45-subject unblinding remains targeted before year-end 2025—an explicit near-term stock catalyst .
  • Cash runway extended: cash and equivalents of $7.6M at 6/30/25 (vs. $7.7M at 3/31/25), with post-quarter $6.0M gross proceeds from warrant exercises supporting operations; the company guides cash sufficiency into Q4 2025 .
  • Strategic breadth expanding: positive STS lung metastases topline (median OS 13.5 months in heavily pretreated cohort) and new IP progress underscore optionality beyond AML .

What Went Well and What Went Wrong

What Went Well

  • MIRACLE trial execution: “Four active MIRACLE sites now screening subjects in Ukraine, Georgia, Spain and the US” with >20 additional sites expected by end of Q3; Part A 45-subject unblinding targeted before YE25 .
  • Pipeline validation: positive topline efficacy in STS MB-107 (median OS 13.5 months in median 7th-line patients, comparing favorably to 8–12 months SOC and 13.4 months experimental 2L benchmarks) .
  • Management tone on momentum: “positioning ourselves to achieve our enrollment targets and…reach an expected pivotal data readout before the end of this year” — Walter Klemp, CEO .

What Went Wrong

  • EPS miss vs. consensus: Q2 EPS of $(0.49) vs. S&P consensus $(0.40)*; composition of P&L continues to be impacted by non-cash warrant valuation gains/losses and issuance-related charges .
  • Share count dilution: weighted average shares 15.53M in Q2 vs. 2.54M YoY, reflecting financings; post-quarter, company enabled additional warrant exercises (dilutive) to raise ~$6.0M gross .
  • Equity deficit and rising liabilities: warrant liability rose to $20.6M at 6/30/25 from $5.2M at 12/31/24; stockholders’ equity turned negative $(7.2)M as of Q2-end .

Financial Results

P&L and EPS vs. Estimates (all amounts in $USD Thousands except per-share)

MetricQ2 2024Q1 2025Q2 2025
Revenues$0 $0 $0
Research & Development$4,090 $3,435 $3,600
G&A + D&A$2,095 $2,508 $2,120
Total Operating Expenses$6,185 $5,943 $5,720
Loss from Operations$(6,185) $(5,943) $(5,720)
Gain (Loss) FV Warrant Liability$1,696 $9,054 $9,609
Transaction Costs to Warrant Liabilities$0 $(1,788) $(1,207)
Loss on Issuance of Warrant Liabilities$0 $(7,798) $(10,352)
Interest Income, net$159 $30 $26
Net Loss$(4,319) $(6,436) $(7,640)
Diluted EPS$(1.70) $(0.69) $(0.49)
Diluted EPS – S&P Consensus$(0.40)*

Notes: EPS consensus values marked with * are from S&P Global. Values retrieved from S&P Global.

Balance Sheet Highlights

Metric ($USD Thousands)Dec 31, 2024Mar 31, 2025Jun 30, 2025
Cash & Cash Equivalents$4,278 $7,716 $7,557
Current Liabilities$5,359 $6,896 $7,913
Warrant Liability$5,229 $13,749 $20,553
Total Liabilities$10,946 $20,971 $28,758
Stockholders’ Equity (Deficit)$5,979 $42 $(7,165)

KPIs (Clinical and Operating)

  • Active MIRACLE sites screening: 4 (Ukraine, Georgia, Spain, US) .
  • Additional sites expected by end of Q3: >20 (EU and US) .
  • MIRACLE Part A first unblinding (n=45): targeted before end of 2025 .
  • STS MB-107 median OS: 13.5 months in median 7th-line (n=36) .

No revenue segments/KPIs applicable; company is pre-revenue.

Guidance Changes

MetricPeriodPrevious GuidanceCurrent GuidanceChange
MIRACLE Part A 45-subject unblinding2H 2025“2H 2025” “Q4 2025” (still 2H; more specific) Maintained (refined timing)
First patients treated in US/EU2025First subject treated expected Q1 2025 (global start) ; First patient dosed announced Apr 1, 2025 “Q3 2025 – First patients treated in the US and the EU” (regional milestone) Clarified (regional specificity)
Cash runway2025Sufficient into Q3 2025 Sufficient into Q4 2025 Raised
STS MB-107 data1H 2025Final data readout by end of June Positive topline reported; next step: identify pivotal IIT in Q4 2025 Achieved/advanced

Earnings Call Themes & Trends

TopicPrevious Mentions (Q4’24 call; Q1’25 update)Current Period (Q2’25)Trend
MIRACLE design & unblinding cadenceMultiple unblindings (n=45 in 2H25; n=75–90 in 1H26), quick read on CR at ~day 35 Confirms 45-subject unblinding before YE25; 1H26 second unblinding On track
Dose selection under Project OptimusTwo doses (190 vs 230 mg/m2); selection based on efficacy/safety/PK Consistent with FDA guidance; selection after Part A Consistent
Non-cardiotoxic anthracycline thesisEmphasized lack of cardiotoxicity and overcoming venetoclax resistance Reinforced in program overview Reinforced
Sites/GeographySequencing of starts: non‑EU/Middle East → EU → US; 25 sites targeted initially 4 active sites; >20 more expected by end Q3 Accelerating
Capital & burn~$5M/quarter in 2025, stepping up in 2026 for CMC Q2 OpEx $5.72M; runway to Q4’25; post‑quarter $6M gross via warrant exercises In line; liquidity bolstered
STS next stepsPivotal IIT interest in EU; strong late-line OS vs benchmarks Positive topline; plan to identify pivotal IIT in Q4’25 Advancing

Management Commentary

  • “We continued to make meaningful progress in our MIRACLE trial… positioning ourselves to achieve our enrollment targets and… reach an expected pivotal data readout before the end of this year.” — Walter Klemp, Chairman & CEO .
  • On potential early strength at interim: “If Annamycin does as well as it did in the Phase 2… then we probably hit that number… to accelerate approval even faster” (subject to safety/PK and alpha spending) .
  • On dosing strategy: “FDA wanted us to go to a lower dose… we used 190 in 106 and saw efficacy… both [190 and 230] will work to a reasonably similar degree” — Dr. John Paul Waymack, Senior CMO .

Q&A Highlights

  • Dose selection and early stopping: Management outlined multi‑variable criteria (efficacy, safety, PK) and alpha constraints; Part A could determine a winner at n=45, but selection may also occur by n=75–90 .
  • Trial cost and burn: ~$60–70M if fully enrolled; 2025 burn ~$5M/quarter, rising in 2026 for CMC as NDA planning begins .
  • STS pivotal path: Late-line OS viewed as compelling; leading EU sarcoma center expressed interest in a pivotal IIT; dosing around ~300 mg/m2 in monotherapy for STS anticipated, subject to FDA EOP2 feedback .

Note: We did not find a Q2 2025 earnings call transcript in the document set. Q4 2024 call content is used for prior-quarter Q&A themes . No Q2 2025 call transcript was available in our search window.

Estimates Context

  • Q2 2025 EPS: $(0.49) vs. S&P consensus $(0.40)* → miss of $(0.09) (~22% more negative). Revenue: $0 vs. $0* (in line) .
  • Forward context: Q3 2025 EPS consensus is $(0.26); FY25 EPS consensus $(1.24); 12‑month target price consensus $6.67* (3 estimates). Values retrieved from S&P Global.

Key Takeaways for Investors

  • Near-term binary-ish catalyst: 45-subject unblinding from MIRACLE Part A targeted for Q4 2025; complete remission rates vs HiDAC‑placebo will shape regulatory path and partnering leverage .
  • Execution ramping: 4 active sites with >20 more expected by end of Q3 suggests accelerating enrollment trajectory into year-end .
  • Liquidity extended: runway into Q4 2025, aided by post‑quarter ~$6.0M warrant exercise proceeds; however, financing risk and dilution remain live issues for 2026+ execution .
  • P&L optics: headline EPS is driven by non-cash warrant remeasurements and issuance charges; underlying OpEx trend is improving YoY and aligns with the ~$5M/quarter burn guide .
  • Optionality beyond AML: STS MB‑107 topline (median OS 13.5 months in late‑line) and new IP suggest additional value paths, with a pivotal IIT decision targeted in Q4 2025 .
  • Dosing and risk management: Project Optimus-driven dose selection (190 vs 230 mg/m2) should be clarified by Part A; management expects both doses to be active, which may de‑risk selection .

Appendix: Source Documents and Data

  • Q2 2025 8‑K 2.02 and press release, including financial statements and MIRACLE updates .
  • Q2 2025 standalone press release (mirror of Exhibit 99.1 content) .
  • Prior quarter Q1 2025 8‑K 2.02 and financials .
  • FY 2024 8‑K update (baseline milestones and liquidity) .
  • Post‑quarter updates: warrant exercise gross proceeds ~$6.0M (Aug 28, 2025) .
  • Q4 2024 earnings call transcript for historical context and Q&A .

Estimates: Marked with *; Values retrieved from S&P Global.