---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-25-025430"
form_type: "8-K"
ticker: "SHPH"
cik: "0001757499"
company_name: "Shuttle Pharmaceuticals Holdings, Inc."
filed_at: "2025-11-28T23:59:59+00:00"
generated_at: "2026-05-16T16:12:39.132510+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# CFO Timothy Lorber resigns; Interim CEO Christopher Cooper assumes CFO role

## Summary
- Timothy Lorber resigns as CFO effective Nov 21, 2025; will provide part-time transition through Dec 4, 2025.
- Christopher Cooper (Interim CEO) appointed CFO effective Nov 21, 2025 while company searches for permanent CFO.
- Lorber receives $20K retention bonus on Nov 21 and $10K on Dec 4; 39,854 unvested RSUs to vest on Feb 8, 2026.
- RSU vesting includes 24,854 from Aug 8, 2025 grant, 14,620 from Aug 12, 2025 grant, and 380 from June 14, 2024 grant.
- Separation Agreement includes mutual release, confidentiality, and non-disparagement provisions.

## SEC filing metadata
- accession: 0001493152-25-025430
- form_type: 8-K
- ticker: SHPH
- cik: 0001757499
- company_name: Shuttle Pharmaceuticals Holdings, Inc.
- filed_at: 2025-11-28T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1757499/000149315225025430/0001493152-25-025430-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1757499/000149315225025430/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-25-025430
- JSON: https://secwatch.observer/filing/0001493152-25-025430.json
- Plain text: https://secwatch.observer/filing/0001493152-25-025430.txt

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