---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-017697"
form_type: "8-K/A"
ticker: "MBRX"
cik: "0001659617"
company_name: "Moleculin Biotech, Inc."
filed_at: "2023-06-16T23:59:59+00:00"
generated_at: "2026-06-13T22:50:02.190172+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Moleculin Biotech shareholders reject reverse stock split at adjourned annual meeting

## Summary
- Proposal No. 5 (reverse stock split) failed: 13,859,013 For, 5,349,509 Against, 161,035 Abstain.
- Only 65.60% of outstanding shares were represented at the reconvened meeting on June 15, 2023.
- No broker non-votes on the proposal; the amendment required stockholder approval.
- The board’s authority to effect a reverse split before the one-year anniversary was denied.

## SEC filing metadata
- accession: 0001437749-23-017697
- form_type: 8-K/A
- ticker: MBRX
- cik: 0001659617
- company_name: Moleculin Biotech, Inc.
- filed_at: 2023-06-16T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.07
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1659617/000143774923017697/0001437749-23-017697-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1659617/000143774923017697/mbrx20230616_8ka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-017697
- JSON: https://secwatch.observer/filing/0001437749-23-017697.json
- Plain text: https://secwatch.observer/filing/0001437749-23-017697.txt

## Key facts
- Shareholder Votes
  Moleculin Biotech, Inc. shareholders rejected Reverse stock split proposal (to approve an amendment to the certificate of incorporation to grant the Board authority to effect a reverse stock split) at the 2023-06-15 meeting.
  - Proposal: reverse split
  - Outcome: failed
  - Meeting: 2023-06-15
  source text: stockholders did not approve the Reverse Split Proposal.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1659617/000143774923017697/0001437749-23-017697-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.