SHPH SHUTTLE PHARMACEUTICALS HOLDINGS INC Company Mergers 8-K Filing 2025 - Consulting Agreement On March 21, 2025, Shuttle Pharmaceuticals Holdings Inc. signed a six-month consulting agreement with Bowery Consulting Group Inc. for $260,000 to assist in business growth and investor strategies.Get access to all SEC 8-K filings of the SHUTTLE PHARMACEUTICALS HOLDINGS INC