🟢 Ardelyx is trading 5.25% up in pre-market

Ardelyx is trading 5.25% higher at $4.21, rebounding from its $4.00 close on August 10, 2026; no new company-specific announcement explaining the August 11 pre-market gain was identified.

• The most recent major catalyst remains the August 6 earnings release.
• IBSRELA 2026 guidance was reduced to $350 million–$370 million amid payer hurdles, previously pressuring shares but not clearly explaining this morning’s rebound.