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Research & education only — not financial advice.TENK is not a registered investment adviser; calls are impersonal, generated from SEC filings and a delayed/third-party price feed, and may be wrong or out of date. The operator and an affiliated trading operation may hold or trade the securities TENK rates — see Disclosures. Do your own research.

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Home›Stocks›MBRX
MBRX logo

MBRX

Moleculin Biotech, Inc.

Next earnings Aug 10, 2026 · consensus $-1.49 EPS

Avoid
$2.64
▼ -26.05%
$2.64▼ -66.18%
over 1Y
L $1.96H $20.89
Earnings Dividend Split Congress buy Congress sellGrouped by date · hover a pin to expand
Today-26.1%
1W-11.7%
1M+7.3%
3M+13.8%
YTD-27.1%
1Y-66.2%
OverviewFinancialsValuationQualityTimelineFilings
Rating
Avoid
Quality
F
Valuation
Fair value
Filings
Clean
Avoid
Conviction
Horizon
Short (<3mo)
Street · 9 analysts
Buy

Binary Phase 3 biotech bet sitting on a funding cliff — $8.9M cash vs $22.7M annual burn means dilution before the MIRACLE data even matures.

Revenue $0.00 · FY2025

Moleculin is a pre-revenue, late-stage oncology developer whose entire value rests on Annamycin (naxtarubicin) in the pivotal Phase 3 MIRACLE trial for relapsed/refractory AML. Five straight years of zero revenue and a widening loss (net income -$33.6M in FY2025, down 28.8% YoY) leave no operating business underneath the stock — only a clinical option. The accumulated deficit of -$206M and ROE of -223.6% quantify how much shareholder capital this program has already consumed, and the FY2025 share count of just 5.34M (down 61.9% YoY) is the fingerprint of a reverse split layered on top of chronic equity issuance — i.e., prior holders have been repeatedly diluted and optically reset.

The dominant, near-certain fact is the funding cliff. FY2025 operating cash flow was -$22.7M against only $8.88M of cash and equivalents. That is well under five months of runway at the current burn — the company must raise capital, almost certainly through dilutive equity at or below $2.64, and likely before or right into the mid-2026 interim unblinding it is touting as a catalyst. A financing overhang of this magnitude tends to cap any pre-data run and amplifies downside if the readout disappoints. The balance sheet is otherwise unremarkable (liabilities/equity 0.47x, no debt stress), but $15.0M of equity is small and shrinking in economic terms as losses accrete.

Is MBRX a buy? The one-page verdict, explained →

The options angle

model · matches our verdict
Bear put spread (caution)~30d expiry
  • Long put 2.5 @ ~0.30 est
  • Short put 2.5 @ ~0.30 est
debit $0max +$0max $0

AVOID means we wouldn't engage at all — if expressing the short side anyway, only with capped risk.

Open in the calculator →

Educational template, not a trade recommendation. Strikes and premiums are Black-Scholes model estimates from the last close and 30-day realized volatility — real chains, spreads and IV will differ. Options involve substantial risk.

Financials · annual, by fiscal year

Line itemFY21FY22FY23FY24FY25
Revenue$0.00$0.00$0.00$0.00$0.00
Gross profit—————
Operating income-$23.0M-$30.6M-$29.6M-$26.6M-$25.1M
Net income-$15.9M-$29.0M-$29.8M-$26.0M-$33.6M
Diluted EPS-$0.59————
Net margin—————

10-year statements — income, cash flow, balance sheet & CSV export →

Annual figures from SEC 10-K XBRL filings. Open the filing links below for full statement detail.

Key statistics

Valuation

Enterprise value$5.21M
EV / EBITDA—
EV / Sales—
EV / FCF—
P / FCF—
PEG (trailing)—
Earnings yield-238.2%
FCF yield-161.4%

Quality & risk

ROIC (est.)-132.2%
Free cash flow-$22.7M
Total debt—
Net cash$8.88M
Altman Z-Score-15.44 distress
Piotroski F-Score4/7

Capital returns

Buyback yield—
Dividend yield (est.)—
Shareholder yield—
Shares Δ YoY-61.9%

Computed from SEC XBRL annual figures + the current quote. EV and ROIC use long-term + current debt where filed; estimates, not investment advice.

Disclosure timeline

SEC · 8-Ks + reports
Recent disclosure tone has been improving.
  1. 8-K Reg FD disclosure2026-06-30

    Second Reg FD release same day — likely MIRACLE Phase 3 mid-2026 interim data update

  2. 8-K Reg FD disclosure2026-06-30

    Second Reg FD release same day — likely MIRACLE Phase 3 mid-2026 interim data update

  3. 8-K Reg FD disclosure2026-06-05

    Reg FD press release furnished — pre-interim-unblinding corporate/investor update

  4. 8-K Reg FD disclosure2026-05-29

    Reg FD release (7.01) — conference/investor update around MIRACLE program

  5. 8-K Reg FD disclosure2026-05-26

    Reg FD press release furnished — clinical/corporate update, no filed financials

  6. 8-K Reg FD disclosure2026-05-22

    Reg FD investor update (7.01) furnished — Annamycin MIRACLE program messaging

  7. 10-Q Quarterly report2026-05-14

    Q1 2026: still $0 revenue, ongoing cash burn funding Phase 3 MIRACLE trial

  8. 10-K/A Restated periodic report2026-04-14

    10-K amendment (Part III proxy/admin items) — no new operating results

  9. S-3 Shelf registration (potential raise)2026-03-27

    Shelf registration filed — enables future equity raises, dilution overhang

Recent filings

all on EDGAR ↗
8-KPeriod ending 2026-06-302026-06-30open ↗8-KPeriod ending 2026-06-302026-06-30open ↗4Period ending 2026-06-202026-06-24open ↗4Period ending 2026-06-202026-06-24open ↗4Period ending 2026-06-202026-06-24open ↗8-KPeriod ending 2026-06-052026-06-05open ↗8-KPeriod ending 2026-05-292026-05-29open ↗8-KPeriod ending 2026-05-262026-05-26open ↗8-KPeriod ending 2026-05-222026-05-22open ↗8-KPeriod ending 2026-05-152026-05-15open ↗10-QPeriod ending 2026-03-312026-05-14open ↗8-KPeriod ending 2026-05-132026-05-13open ↗

Quality score

F
ValueGrowthProfitHealthMom.
Value—
GrowthF
ProfitabilityF
Financial healthB-
MomentumF
  • ✗Profitable (positive net income)
  • ✗Return on equity above 15%
  • ✓Liabilities below 2× equity
1.9652-week20.89
Revenue
$0.00
Net margin
—
ROE
-223.6%
P/E
—

SEC fundamentals · FY 2025

■ revenue · ■ net income, by fiscal year

Revenue$0.00
Net income-$33.6M-28.8%
Operating income-$25.1M+5.8%
Diluted EPS-$0.59+66.5%
Cash & equivalents$8.88M+107.5%
Total assets$22.1M+30.7%
Total liabilities$7.12M+24.5%
Stockholders' equity$15.0M+33.9%
L/E: 0.47x

Frequently asked

Is Moleculin Biotech, Inc. (MBRX) a buy?
MBRX currently carries a Avoid rating with 4/5 conviction, derived from its latest SEC filings. Binary Phase 3 biotech bet sitting on a funding cliff — $8.9M cash vs $22.7M annual burn means dilution before the MIRACLE data even matures.
What is Moleculin Biotech, Inc.'s quality score?
MBRX scores 28.8125/100 (grade F) on a SEC-grounded quality model spanning value, growth, profitability, financial health and momentum.

Sources: SEC EDGAR (CIK 0001659617, latest 10-Q filed 2026-05-14) · EODHD · Proprietary analysis · as of 7/4/2026, 5:19:02 AM.

›About this recommendation — produced by TENK/calls (tenkcalls.com), Luxembourg · not investment advice

AI-generated analysis, produced by our proprietary engine from SEC filing data.

Investment recommendation produced by TENK/calls (tenkcalls.com), Luxembourg. Completed Jul 4, 2026, 1:19 AM ET. Ratings & methodology: definitions · All recommendations to date: track record · Conflicts: disclosures. Not investment advice.

Research and education only — not financial advice. TENKis not a registered investment adviser or broker-dealer and gives no personalized advice. Every call is impersonal — identical for all users, generated on a schedule from SEC filings plus a delayed/third-party price feed — may be wrong or out of date, and is not a recommendation to buy or sell any security. The operator and an affiliated trading operation may hold or trade the securities TENK rates; see Disclosures. Past performance does not guarantee future results. Do your own research.

Insider activity

Form 4 · SEC
2026-06-22
PICKER DONALD H
Chief Science Officer
Exercise71.00
2026-06-22
PICKER DONALD H
Chief Science Officer
Tax21.00 @ $3.12$65.52
2026-06-22
KLEMP WALTER V
CEO and President
Exercise360.00
2026-06-22
KLEMP WALTER V
CEO and President
Tax88.00 @ $3.12$274.56
2026-06-22
Foster Jonathan P.
Chief Financial Officer
Exercise174.00
2026-06-22
Foster Jonathan P.
Chief Financial Officer
Tax41.00 @ $3.12$127.92
2026-06-20
PICKER DONALD H
Chief Science Officer
Exercise44.00
2026-06-20
PICKER DONALD H
Chief Science Officer
Tax13.00 @ $2.88$37.44
2026-06-20
KLEMP WALTER V
CEO and President
Exercise150.00
2026-06-20
KLEMP WALTER V
CEO and President
Tax37.00 @ $2.88$106.56
2026-06-20
Foster Jonathan P.
Chief Financial Officer
Exercise109.00
2026-06-20
Foster Jonathan P.
Chief Financial Officer
Tax31.00 @ $2.88$89.28

Earnings history

beat/miss · move
2026-05-15Miss -108.7% est▼ -14.34%8-K ↗
2026-03-19Beat +309.1% est▲ +0.98%8-K ↗
2025-08-13Miss -32.2% est▼ -4.37%8-K ↗
2025-05-14—▼ -8.01%8-K ↗
2025-03-24—▼ -4.59%8-K ↗
2024-11-12—▲ +32.05%8-K ↗

Dates from 8-K (Item 2.02); beat/miss = reported EPS vs consensus (Finnhub, recent quarters); move = prior close → close on/after.

Vs tracked universe

compare →

1195 tracked peers · median

TENK Score29 vs 67
Revenue growth— vs 7.5%
Net margin— vs 10.0%
Return on equity-223.6% vs 12.0%
P/E— vs 26.2