---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-354026"
form_type: "8-K"
ticker: "ARDX"
cik: "0001437402"
company_name: "ARDELYX, INC."
filed_at: "2026-08-17T20:05:15+00:00"
generated_at: "2026-08-17T20:06:32.910615+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Ardelyx CCO Eric Foster resigns effective Aug 28, 2026

## Summary
- Eric Foster notified Ardelyx on Aug 11, 2026 of resignation as Chief Commercial Officer.
- Resignation effective August 28, 2026; Foster leaves to pursue a pre-commercial company opportunity.
- Company states resignation is not due to any disagreement with Ardelyx.

## SEC filing metadata
- accession: 0001193125-26-354026
- form_type: 8-K
- ticker: ARDX
- cik: 0001437402
- company_name: ARDELYX, INC.
- filed_at: 2026-08-17T20:05:15+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1437402/000119312526354026/0001193125-26-354026-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1437402/000119312526354026/d921015d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-354026
- JSON: https://secwatch.observer/filing/0001193125-26-354026.json
- Plain text: https://secwatch.observer/filing/0001193125-26-354026.txt

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