---
schema_version: "secwatch.filing_event.v1"
accession: "0001654954-21-009965"
form_type: "8-K"
ticker: "GTBP"
cik: "0000109657"
company_name: "GT Biopharma, Inc."
filed_at: "2021-09-13T23:59:59+00:00"
generated_at: "2026-06-29T04:04:49.075032+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "low"
source: SEC EDGAR
---

# GT Biopharma holds business teleconference on Sep 13, 2021; presentation slide content not disclosed

## Summary
- Company presented business overview via teleconference on September 13, 2021.
- Presentation filed as Exhibit 99.1 but no substantive financial or operational details were included in the 8-K.
- No earnings, guidance, or material events disclosed in the filing.
- The event appears to be a routine investor update; no specific facts available.

## SEC filing metadata
- accession: 0001654954-21-009965
- form_type: 8-K
- ticker: GTBP
- cik: 0000109657
- company_name: GT Biopharma, Inc.
- filed_at: 2021-09-13T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: low
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/109657/000165495421009965/0001654954-21-009965-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/109657/000165495421009965/gtbp_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001654954-21-009965
- JSON: https://secwatch.observer/filing/0001654954-21-009965.json
- Plain text: https://secwatch.observer/filing/0001654954-21-009965.txt

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