SHPH · Shuttle Pharmaceuticals Holdings, Inc.

Summary

Shuttle Pharmaceuticals Holdings, Inc. priced a public offering on March 5, 2026, of 2,238,800 shares of common stock and pre-funded warrants to purchase 4,761,200 shares for aggregate gross proceeds of approximately $3.5 million, which closed on March 9, 2026. The company entered into a Securities Purchase Agreement and Placement Agency Agreement with E.F. Hutton & Co.

Key takeaways

• Priced offering of 2,238,800 common shares and pre-funded warrants for 4,761,200 shares on March 5, 2026
• Aggregate gross proceeds of $3.5 million before fees and expenses
• Offering closed March 9, 2026
• Pre-Funded Warrants exercisable immediately at $0.001 per share with 4.99% beneficial ownership limitation
• Securities Purchase Agreement dated March 5, 2026 with purchasers
• Placement Agency Agreement with E.F. Hutton & Co. for 4.0% cash fee plus 1.00% expenses
• 30-day lock-up for executives/directors and issuance restrictions post-closing