---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-25-021256"
form_type: "8-K"
ticker: "SHPH"
cik: "0001757499"
company_name: "Shuttle Pharmaceuticals Holdings, Inc."
filed_at: "2025-11-07T23:59:59+00:00"
generated_at: "2026-05-16T23:06:06.230224+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Shuttle Pharmaceuticals raises $2.5M via private placement of pre-funded warrants

## Summary
- Pre-funded warrant for 625,156 shares at $0.001 exercise price, immediately exercisable.
- Gross proceeds $2.5M; placement agent WestPark Capital paid 4% cash fee.
- Closing on Nov 4, 2025; resale registration statement due within 15 days.
- Beneficial ownership limited to 4.99% (can increase to 9.99% with 61 days notice).

## SEC filing metadata
- accession: 0001493152-25-021256
- form_type: 8-K
- ticker: SHPH
- cik: 0001757499
- company_name: Shuttle Pharmaceuticals Holdings, Inc.
- filed_at: 2025-11-07T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1757499/000149315225021256/0001493152-25-021256-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1757499/000149315225021256/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-25-021256
- JSON: https://secwatch.observer/filing/0001493152-25-021256.json
- Plain text: https://secwatch.observer/filing/0001493152-25-021256.txt

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