---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-24-042462"
form_type: "8-K"
ticker: "SHPH"
cik: "0001757499"
company_name: "Shuttle Pharmaceuticals Holdings, Inc."
filed_at: "2024-10-25T23:59:59+00:00"
generated_at: "2026-05-30T10:06:16.539593+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Shuttle Pharma closes second tranche of $1.3M note offering, total $790K raised

## Summary
- Second closing on Oct 21 added $220K net proceeds ($231,579 in Notes) from two accredited investors.
- Investors received 88,544 warrants exercisable at $1.49/share (125% of prior closing price).
- CEO Dr. Anatoly Dritschilo invested $237,500 in the first closing on Oct 14.
- Total offering gross proceeds $790K; Notes carry 5% OID and are senior secured convertible.

## SEC filing metadata
- accession: 0001493152-24-042462
- form_type: 8-K
- ticker: SHPH
- cik: 0001757499
- company_name: Shuttle Pharmaceuticals Holdings, Inc.
- filed_at: 2024-10-25T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 1.01, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1757499/000149315224042462/0001493152-24-042462-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1757499/000149315224042462/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-24-042462
- JSON: https://secwatch.observer/filing/0001493152-24-042462.json
- Plain text: https://secwatch.observer/filing/0001493152-24-042462.txt

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