---
schema_version: "secwatch.filing_event.v1"
accession: "0001641172-25-012536"
form_type: "8-K"
ticker: "SHPH"
cik: "0001757499"
company_name: "Shuttle Pharmaceuticals Holdings, Inc."
filed_at: "2025-05-28T23:59:59+00:00"
generated_at: "2026-05-20T08:22:44.880644+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Shuttle Pharmaceuticals implements 70% salary reduction for all salaried employees, including named executive officers

## Summary
- Effective May 21, 2025, all salaried employees and named executive officers face a 70% salary reduction.
- Affected executives: Interim CEO Christopher Cooper, COO Peter Dritschilo, CSO Mira Jung, CCO Tyvin Rich, VP Regulatory Michael P. Vander Hoek.
- CFO Timothy Lorber's 70% salary reduction is deferred and will be paid later, unlike the outright reduction for others.
- The salary cuts reflect a significant cost-reduction measure amid apparent financial pressures.

## SEC filing metadata
- accession: 0001641172-25-012536
- form_type: 8-K
- ticker: SHPH
- cik: 0001757499
- company_name: Shuttle Pharmaceuticals Holdings, Inc.
- filed_at: 2025-05-28T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1757499/000164117225012536/0001641172-25-012536-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1757499/000164117225012536/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001641172-25-012536
- JSON: https://secwatch.observer/filing/0001641172-25-012536.json
- Plain text: https://secwatch.observer/filing/0001641172-25-012536.txt

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