---
schema_version: "secwatch.filing_event.v1"
accession: "0001641172-25-002757"
form_type: "8-K"
ticker: "SHPH"
cik: "0001757499"
company_name: "Shuttle Pharmaceuticals Holdings, Inc."
filed_at: "2025-04-04T23:59:59+00:00"
generated_at: "2026-05-23T21:13:30.206009+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Shuttle Pharma pays $2M to IR Agency for 3-month marketing services

## Summary
- Entered consulting agreement with IR Agency LLC to provide marketing and advertising services to the financial community.
- Total fee of $2,000,000 due by April 5, 2025; non-refundable if client terminates during the 3-month term.
- Consulting term is three months starting April 3, 2025; agreement may be extended by mutual consent.
- Consultant makes no guarantee that the marketing will increase trading volume or share price of SHPH.
- Company indemnifies consultant against claims arising from the advertising; client must approve materials before publication.

## SEC filing metadata
- accession: 0001641172-25-002757
- form_type: 8-K
- ticker: SHPH
- cik: 0001757499
- company_name: Shuttle Pharmaceuticals Holdings, Inc.
- filed_at: 2025-04-04T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1757499/000164117225002757/0001641172-25-002757-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1757499/000164117225002757/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001641172-25-002757
- JSON: https://secwatch.observer/filing/0001641172-25-002757.json
- Plain text: https://secwatch.observer/filing/0001641172-25-002757.txt

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