---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-073987"
form_type: "8-K"
ticker: "TPST"
cik: "0001544227"
company_name: "Tempest Therapeutics, Inc."
filed_at: "2025-04-07T23:59:59+00:00"
generated_at: "2026-05-23T19:39:36.180513+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Tempest Therapeutics announces 1-for-13 reverse stock split effective April 8, 2025

## Summary
- Reverse stock split at 1:13 ratio, effective 5:00 p.m. ET on April 8, 2025.
- Pre-split shares outstanding: 45,764,184; post-split approx. 3,520,321 shares.
- No fractional shares; cash payments in lieu of fractional shares.
- Trading on Nasdaq Capital Market on split-adjusted basis from April 9, 2025.
- Proportional adjustments to warrants/options exercise prices and shares reserved.

## SEC filing metadata
- accession: 0001193125-25-073987
- form_type: 8-K
- ticker: TPST
- cik: 0001544227
- company_name: Tempest Therapeutics, Inc.
- filed_at: 2025-04-07T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- confidence: high
- sec_items: 3.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1544227/000119312525073987/0001193125-25-073987-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1544227/000119312525073987/d905141d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-073987
- JSON: https://secwatch.observer/filing/0001193125-25-073987.json
- Plain text: https://secwatch.observer/filing/0001193125-25-073987.txt

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