---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-044106"
form_type: "8-K/A"
ticker: "SHPH"
cik: "0001757499"
company_name: "Shuttle Pharmaceuticals Holdings, Inc."
filed_at: "2026-09-24T16:00:13+00:00"
generated_at: "2026-09-24T16:01:18.158962+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Shuttle Pharma amends 8-K, cutting pre-funded warrant count to 9,741,751

## Summary
- Actual pre-funded warrants issued as of Sept 9, 2026: 9,741,751, not the ~16,932,508 maximum previously disclosed.
- Warrants purchase shares of $0.00001 par common stock; no other terms of the original issuance changed.
- Correction lowers potential warrant-related dilution by roughly 43% versus the earlier 8-K figure.
- Amendment filed Sept 24, 2026; original 8-K filed Sept 15, 2026; no other modifications made.

## SEC filing metadata
- accession: 0001493152-26-044106
- form_type: 8-K/A
- ticker: SHPH
- cik: 0001757499
- company_name: Shuttle Pharmaceuticals Holdings, Inc.
- filed_at: 2026-09-24T16:00:13+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1757499/000149315226044106/0001493152-26-044106-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1757499/000149315226044106/form8-ka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-044106
- JSON: https://secwatch.observer/filing/0001493152-26-044106.json
- Plain text: https://secwatch.observer/filing/0001493152-26-044106.txt

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