---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-028457"
form_type: "8-K"
ticker: "GTBP"
cik: "0000109657"
company_name: "GT Biopharma, Inc."
filed_at: "2026-06-12T20:30:27+00:00"
generated_at: "2026-06-12T20:49:36.488117+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# GT Biopharma reduces stockholder meeting quorum from majority to one-third

## Summary
- Board approved amendment to bylaws effective June 8, 2026.
- Quorum lowered from majority to not less than one-third of outstanding voting shares.
- Change aims to improve meeting attendance amid broker non-voting trends.
- Company is fully remote as of July 1, 2024; no principal executive office.

## SEC filing metadata
- accession: 0001493152-26-028457
- form_type: 8-K
- ticker: GTBP
- cik: 0000109657
- company_name: GT Biopharma, Inc.
- filed_at: 2026-06-12T20:30:27+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/109657/000149315226028457/0001493152-26-028457-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/109657/000149315226028457/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-028457
- JSON: https://secwatch.observer/filing/0001493152-26-028457.json
- Plain text: https://secwatch.observer/filing/0001493152-26-028457.txt

## Key facts
- Governance Changes
  GT Biopharma, Inc.: Reduced quorum requirement for stockholder meetings from a majority to not less than one-third of outstanding shares entitled to vote (effective 2026-06-08).
  - Change: bylaw amendment
  - Effective: 2026-06-08
  source text: On June 8, 2026, the Board of Directors (the “Board”) of GT Biopharma, Inc., a Delaware corporation (the “Company”) approved an amendment (the “Amendment”) to the Company’s Amended and Restated Bylaws, effective June 8, 2026, to reduce the number of shares that are required to be present in person or by proxy at a meeting of the Company’s stockholders (a “Meeting”) for purposes of establishing a quorum.
  evidence_url: https://www.sec.gov/Archives/edgar/data/109657/000149315226028457/0001493152-26-028457-index.htm

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