Shuttle Pharmaceuticals (SHPH) Stock Soars on S‑1 Filing, Fresh Financing and AI Pivot – What Today’s Volatile Rally Means for Investors (21 Nov 2025)
Shuttle Pharmaceuticals (NASDAQ: SHPH) surged over 25% in after‑hours and pre‑market trading on November 21, 2025 after an S‑1 filing, recent private placement and Nasdaq compliance update. Here’s what’s driving SHPH stock today. SHPH stock news today: why shares are surging on November 21, 2025 Micro‑cap biotech Shuttle Pharmaceuticals Holdings, Inc. (NASDAQ: SHPH) is back on traders’ radar this morning. After closing Thursday’s regular session at $1.83, down 7.6% on the day, Shuttle’s stock spiked to about $2.34 in after‑hours trading, a jump of roughly 28%, after the company’s latest Form S‑1 registration statement hit the SEC’s website. Benzinga+1 The