---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-391903"
form_type: "8-K"
ticker: "TPST"
cik: "0001544227"
company_name: "Tempest Therapeutics, Inc."
filed_at: "2026-09-15T20:06:36+00:00"
generated_at: "2026-09-15T20:08:19.516390+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Tempest Therapeutics raises ~$2.5M via private placement of pre-funded and common warrants

## Summary
- Issued pre-funded warrants for 3,105,591 shares at $0.001 exercise price, plus Series C/D warrants for same count.
- Combined price $0.804 per unit; gross proceeds ~$2.5M, up to ~$5M more if common warrants exercised.
- Series C warrants ($0.805 strike, 6yr) and Series D (3yr) exercisable after stockholder approval; 90 days to seek approval.
- H.C. Wainwright placement agent; 7% cash fee and warrants for 217,391 shares at $1.0063.
- Proceeds for working capital; 30-day lock-up on new issuance, 60-day ban on variable-rate deals.

## SEC filing metadata
- accession: 0001193125-26-391903
- form_type: 8-K
- ticker: TPST
- cik: 0001544227
- company_name: Tempest Therapeutics, Inc.
- filed_at: 2026-09-15T20:06:36+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1544227/000119312526391903/0001193125-26-391903-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1544227/000119312526391903/d108044d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-391903
- JSON: https://secwatch.observer/filing/0001193125-26-391903.json
- Plain text: https://secwatch.observer/filing/0001193125-26-391903.txt

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