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MBRX · NASDAQ · Biotechnology

Moleculin Biotech (MBRX)

Developing Annamycin with cytarabine for relapsed or refractory acute myeloid leukemia.

$0.6912
Pre-market−0.01 (−0.87%)
At close$0.6973(+7.28%)
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Moleculin Biotech, Inc.MBRXHealth Care

Develops Annamycin with cytarabine for relapsed or refractory acute myeloid leukemia, alongside WP1066, WP1220, and WP1122 oncology programs. A virtual development model outsources manufacturing and has no approved products, product-sales revenue, or sales organization.

Develops Annamycin (naxtarubicin), a liposomal anthracycline, with cytarabine as AnnAraC for second-line relapsed or refractory acute myeloid leukemia. The pivotal MIRACLE trial runs across the United States and Europe. Other programs include WP1066 for brain tumors, WP1220 for cutaneous T-cell lymphoma, and WP1122 for metabolism/glycosylation inhibition.

Operates as a small, primarily virtual clinical development organization, using service providers and contractors worldwide while outsourcing all manufacturing. No approved products, product-sales revenue, or sales organization exist; any commercialization would require building those capabilities or using third parties.

Depends on clinical results, regulatory approval, additional financing, and MD Anderson licenses that carry fees, milestones, and potential royalties. AnnAraC is the only internally led pivotal program; other development efforts are completed, inactive, planned, partner-oriented, or investigator-led.

Company facts

CEOWalter V. Klemp
ListedJun 2, 2016
ExchangeNASDAQ
HeadquartersHouston, TX
CountryUnited States
Employees17
CIK0001659617
ISINUS60855D4088

Market cap$3.7M
EPS (ttm)−$17.13
P/E (ttm)−0.0405
ROE-816.6%
P/B0.3402
P/S0.00
Dividend yieldDiv yield
Beta1.19vs XLV 0.75

No analyst consensus on record.

Next report
Nov 12, 2026
in 70 days
EPS estimate
−$0.44
Revenue estimate
Fiscal quarter
Q3 FY26

EPSReportedEstimate

Mar '25May '25Aug '25Nov '25Mar '26May '26Aug '26Nov '26
Reported−$0.37−$17.25−$12.25−$3.25$2.61−$3.54−$1.40Pending
Estimate−$1.54−$17.75−$9.75−$5.00−$7.77−$1.69−$1.55−$0.44
Surprise+76.0%+2.8%−25.6%+35.0%+133.6%−109.5%+9.7%

RevenueReportedEstimate

Mar '25May '25Aug '25Nov '25Mar '26May '26Aug '26Nov '26
ReportedPending
Estimate
Surprise
Estimate−$0.44
ReportedDue Nov 12, 2026
Estimate
ReportedDue Nov 12, 2026
View details

Debt to equity2.50%
Current ratio93.70%

ProfitabilityRevenueNet incomeNet margin

Q3 FY24Q4 FY24Q1 FY25Q2 FY25Q3 FY25Q4 FY25Q1 FY26Q2 FY26
Revenue$0$0$0$0$0$0$0$0
Net income−$10.6M−$1.9M−$6.4M−$7.6M−$25.4M$15.6M−$12.8M−$7.6M
Net margin

GrowthOperating income

Q3 FY24Q4 FY24Q1 FY25Q2 FY25Q3 FY25Q4 FY25Q1 FY26Q2 FY26
Operating income−$7.1M−$6.6M−$5.9M−$5.7M−$5.9M−$7.5M−$7.9M−$7.6M
YoY growth

Balance sheet, Jun 30, 2026Cash & short-term investments $7.3M · Total debt $292.0K · Total assets $21.1M · Shareholders' equity $11.6M

Revenue
$0
Operating income
−$7.6M
Net income
−$7.6M
View details

No dividends on record.

Institutions20 holders · as of Mar 31, 20260.78%152.1K shares
Insiders3 holders · as of Aug 25, 202618.14%3.53M shares
Strategic holders1 holder · as of Aug 10, 20269.57%1.86M shares
Otherremainder71.51%13.93M shares

19.48M company shares as of Sep 3, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing

Two share counts disagree (19.48M in the company's Sep 3, 2026 report, 5.34M elsewhere); stakes use the report.

Top shareholders13F · 13D/G · Form 4

HolderStakeSharesEvidence
Walter V. Klemp1Insiderdirector, officer: CEO and President
10.63%2.07M13Dfiled Aug 25, 2026
CVI Investments, Inc.Strategic
9.57%1.86M13Gfiled Aug 10, 2026
Jonathan P. Foster2Insiderofficer: Chief Financial Officer
6.61%1.29M13Dfiled Aug 25, 2026
Donald H. PickerInsiderofficer: Chief Science Officer
0.89%174,086Form 4filed Aug 5, 2026
Sabby Management, LLCInstitution
0.39%75,02113Fas of Mar 31, 2026
See all 25
  1. Walter V. Klemp's transaction reports restate only vehicles that traded; the 2026 ownership statement (2.07M) is used instead.
  2. Jonathan P. Foster's transaction reports restate only vehicles that traded; the 2026 ownership statement (1.29M) is used instead.

13F — a manager's quarterly holdings · 13D/13G — an ownership statement filed at 5% or more · Form 4 — an insider's transaction report

Insider tradesForm 4

DateInsiderRoleSharesAvg price
Aug 3, 2026Donald H. Pickerofficer: Chief Science Officer+693,332$0.7500
Aug 3, 2026Walter V. Klempdirector, officer: CEO and President+533,333$0.7500
Aug 3, 2026Jonathan P. Fosterofficer: Chief Financial Officer+1,173,332$0.7500
View details

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