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8-K ·Filed May 29, 2026

MBRX

Moleculin Biotech, Inc.
BULLISH
Impact 6/10
Horizonweeks Processed5mo ago SEC0001437749-26-018819
8-K context-dependent: Items 7.01
Actionable Insight ▲ Bullish

The ASCO safety data is incrementally positive but not transformative — the stock's primary catalyst remains the MIRACLE trial unblinding in June 2026. Monitor for the unblinding results, which will determine the drug's approvability path. The company's $15M market cap and need for additional financing create binary risk around the trial outcome.

DirectionBullish
Confidencemedium
Horizonweeks
Final — all horizons settled through T+60d
MBRX ▼ -78.16% at T+60d
LONG call ✗ call lost -78.16% · α vs SPY -79.35% · entry $2.79 → $0.6093
Entry = T+0 close
May 29, 2026
via day close
T+1d
-5.38%
call -5.38% · α -5.65%
$2.64
settled 5mo ago
T+5d
-11.83%
call -11.83% · α -11.54%
$2.46
settled 5mo ago
T+20d
+27.96%
call +27.96% · α +29.75%
$3.57
settled 4mo ago
T+60d
-78.16%
call -78.16% · α -79.35%
$0.6093
settled 2mo ago

Price Chart

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Executive Summary

Moleculin Biotech presented a pooled analysis at ASCO 2026 showing no detectable cardiotoxicity for its lead drug Annamycin across 90 patients, with independent review by Cleveland Clinic. The data reinforces the drug's differentiated safety profile as the pivotal Phase 2b/3 MIRACLE trial advances, with unblinding of the first 45 patients on track for June 2026.

Key Facts

  • Pooled analysis of 90 patients across five completed trials showed no statistically significant change in LVEF (mean difference -0.12%; p=0.84)
  • Median cumulative Annamycin dose was 660 mg/m², with exposures up to 2,970 mg/m² — far exceeding conventional anthracycline lifetime limits
  • Independent cardiac review conducted by Cleveland Clinic Division of Cardiovascular Medicine
  • Phase 1b/2 AML study demonstrated 50% CR rate, 60% CRc rate, and median OS of 12.39 months
  • Unblinding from first 45 patients of the pivotal Phase 2b/3 MIRACLE trial is on track for June 2026
  • Company is a Phase 3 clinical-stage biotech with a $15M market cap and will require significant additional financing

Financial Impact

No financial data in filing; clinical-stage company with no reported revenue. Key catalyst is the upcoming MIRACLE trial unblinding in June 2026.

Risk Factors

  • Company requires significant additional financing with no commitments in place
  • MIRACLE trial unblinding in June 2026 is the key binary catalyst — safety data alone does not de-risk efficacy
  • Small dataset (90 patients) with no randomized controlled data yet

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations
Analyst Consensus
89% bullish (9 analysts)

Investment Themes

Documents Analyzed

This report is based on 5 SEC documents filed with EDGAR.

DocumentAccession Number
8-K Filing (Primary)0001437749-26-018819
Exhibit: ex_969652.htm0001437749-26-018819
Document: 0001437749-26-018819-index-headers.html0001437749-26-018819
Document: 0001437749-26-018819-index.html0001437749-26-018819
Document: 0001437749-26-018819.txt0001437749-26-018819
30 reports for MBRX
Performance horizon
46% Hit rate @ T+20 6 of 13 directional calls Went positive at some point 9 of 15 best @ T+60▲ +1671.25%Jul 31, 2026
Filters
Rows
Reports for MBRX — sortable, filterable
TypeNow
Oct 20, 2026
7d ago
8-K
NEUTRAL ★ 4/10
$6.19awaiting T+20—$9.27 (+49.68%)
Oct 16, 2026
11d ago
8-K
NEUTRAL ★ 3/10
$0.2804awaiting T+20—$9.27 (+3204.21%)
Oct 9, 2026
17d ago
8-K
NEUTRAL ★ 4/10
$0.4139awaiting T+20—$9.27 (+2138.46%)
Oct 5, 2026
22d ago
8-K
NEUTRAL ★ 2/10
$0.4766awaiting T+20—$9.27 (+1843.98%)
Sep 29, 2026
28d ago
8-K
BULLISH ★ 6/10
$0.5264awaiting T+20—$9.27 (+1660.07%)
Sep 29, 2026
28d ago
Press Release
NEUTRAL ★ 6/10
$0.5264awaiting T+20—$9.27 (+1660.07%)
Sep 28, 2026
29d ago
8-K
BULLISH ★ 5/10
$0.5690 $7.09▲ +1145.17%▲ +1145.20%$9.27 (+1528.30%)
Sep 25, 2026
4w ago
8-K
NEUTRAL ★ 4/10
$0.6016 $6.50▲ +980.45%▲ +981.93%$9.27 (+1440.06%)
Sep 23, 2026
4w ago
8-K
MIXED ★ 5/10
$0.5279 $6.31▲ +1095.30%▲ +1094.61%$9.27 (+1655.07%)
Sep 18, 2026
5w ago
8-K
BEARISH ★ 8/10
$0.5202awaiting T+20—$9.27 (−1681.05%)
Showing 10 of 30

US Market Status

Market Closed — Opens Wed (17h 22m)

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Report published May 29, 2026