---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-25-014489"
form_type: "8-K"
ticker: "SHPH"
cik: "0001757499"
company_name: "Shuttle Pharmaceuticals Holdings, Inc."
filed_at: "2025-09-22T23:59:59+00:00"
generated_at: "2026-05-17T05:59:07.950630+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Shuttle Pharma pays $1.45M to IR Agency for 2-month marketing services

## Summary
- Consulting agreement with IR Agency LLC signed Sept 15, 2025; fee $1,450,000 for a 2-month term.
- Services include creating company profiles, media distribution, and building a digital community.
- Contract explicitly disclaims any guarantee of increased trading volume or stock price rise.
- IR Agency acknowledges it carries no professional licenses and will not act as broker or advisor.
- Company must indemnify IR Agency against claims arising from the advertising materials.

## SEC filing metadata
- accession: 0001493152-25-014489
- form_type: 8-K
- ticker: SHPH
- cik: 0001757499
- company_name: Shuttle Pharmaceuticals Holdings, Inc.
- filed_at: 2025-09-22T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1757499/000149315225014489/0001493152-25-014489-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1757499/000149315225014489/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-25-014489
- JSON: https://secwatch.observer/filing/0001493152-25-014489.json
- Plain text: https://secwatch.observer/filing/0001493152-25-014489.txt

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