---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-104034"
form_type: "8-K"
ticker: "TPST"
cik: "0001544227"
company_name: "Tempest Therapeutics, Inc."
filed_at: "2026-09-28T20:05:33+00:00"
generated_at: "2026-10-12T13:35:03.560845+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Tempest CFO Rossettos resigns; Constance Ames named CFO; Freda-Smith joins board as Audit Chair

## Summary
- Related-party Master Services Agreement with Factor Bioscience: CEO Matt Angel controls Factor and owns 34.2% of Tempest; expected fees of $5.0M/year paid in $416,667 monthly installments.
- Work Order No. 1 covers development of in vivo CAR-T therapies; either party may terminate the MSA or work order on 30 days' notice; Tempest has three one-month suspension rights.
- CFO Nicholas Rossettos resigned effective immediately on Sept 22, 2026; Constance Ames named CFO, principal financial and accounting officer, treasurer and corporate secretary.
- Nancy Freda-Smith, 54, former Chief Audit and Risk Officer at Ralph Lauren, appointed Class III director and Chair of the Audit Committee; receives a 25,000-share option award.
- Nasdaq told Tempest on May 22, 2026 it was out of compliance over multiple board vacancies; after adding Freda-Smith, Dr. Yee and Mr. Richey, the board says it is now in full compliance.

## SEC filing metadata
- accession: 0001213900-26-104034
- form_type: 8-K
- ticker: TPST
- cik: 0001544227
- company_name: Tempest Therapeutics, Inc.
- filed_at: 2026-09-28T20:05:33+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1544227/000121390026104034/0001213900-26-104034-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1544227/000121390026104034/ea0306741-8k_tempest.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-104034
- JSON: https://secwatch.observer/filing/0001213900-26-104034.json
- Plain text: https://secwatch.observer/filing/0001213900-26-104034.txt

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