---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-024329"
form_type: "8-K"
ticker: "MBRX"
cik: "0001659617"
company_name: "Moleculin Biotech, Inc."
filed_at: "2023-08-21T23:59:59+00:00"
generated_at: "2026-06-11T06:18:20.625375+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Moleculin Biotech amends bylaws; reduces stockholder quorum from majority to one-third

## Summary
- Board adopted Third Amended and Restated Bylaws effective August 18, 2023.
- Quorum for stockholder meetings reduced from majority to one-third of voting power.
- Directors may be removed with or without cause by majority vote.
- Updated procedures for stockholder proposals and remote meeting capability.
- Conforming changes and updates consistent with Delaware law.

## SEC filing metadata
- accession: 0001437749-23-024329
- form_type: 8-K
- ticker: MBRX
- cik: 0001659617
- company_name: Moleculin Biotech, Inc.
- filed_at: 2023-08-21T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1659617/000143774923024329/0001437749-23-024329-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1659617/000143774923024329/mbrx20230821_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-024329
- JSON: https://secwatch.observer/filing/0001437749-23-024329.json
- Plain text: https://secwatch.observer/filing/0001437749-23-024329.txt

## Key facts
- Governance Changes
  Moleculin Biotech, Inc.: Board adopted Third Amended and Restated Bylaws effective August 18, 2023, with multiple changes including reduced stockholder meeting quorum from majority to one-third of voting power (effective 2023-08-18).
  - Change: bylaw amendment
  - Effective: 2023-08-18
  source text: On August 18, 2023, the Board of Directors of Moleculin Biotech, Inc. (the “Company”) adopted the Third Amended and Restated Bylaws of Moleculin Biotech, Inc. (as amended and restated, the “Bylaws”), effective on such date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1659617/000143774923024329/0001437749-23-024329-index.htm

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