---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-250135"
form_type: "8-K"
ticker: "TPST"
cik: "0001544227"
company_name: "Tempest Therapeutics, Inc."
filed_at: "2022-09-23T23:59:59+00:00"
generated_at: "2026-06-23T07:42:23.677524+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Tempest Therapeutics appoints Justin Trojanowski as Principal Accounting Officer, effective Sept 30

## Summary
- Pierre Lorenzo resigns as Corporate Controller, Treasurer, Principal Accounting Officer and Secretary, effective Sept 30, 2022; not due to any disagreement.
- Justin Trojanowski (34), previously Director, Finance and Assistant Controller, promoted to Corporate Controller, Treasurer and Principal Accounting Officer.
- Nicholas Maestas, VP Strategy and Finance, appointed as Secretary, effective Sept 30, 2022.
- Trojanowski holds a B.S. and M.B.A. in Accountancy from Providence College, is a CPA, and previously worked at Nektar Therapeutics and Ernst & Young.

## SEC filing metadata
- accession: 0001193125-22-250135
- form_type: 8-K
- ticker: TPST
- cik: 0001544227
- company_name: Tempest Therapeutics, Inc.
- filed_at: 2022-09-23T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1544227/000119312522250135/0001193125-22-250135-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1544227/000119312522250135/d384496d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-250135
- JSON: https://secwatch.observer/filing/0001193125-22-250135.json
- Plain text: https://secwatch.observer/filing/0001193125-22-250135.txt

## Key facts
- Executive change
  Pierre Lorenzo resigned as Corporate Controller, Treasurer, Principal Accounting Officer and Secretary at Tempest Therapeutics, Inc..
  - Action: resigned
  - Role: Corporate Controller, Treasurer, Principal Accounting Officer and Secretary
  source text: On September 19, 2022, Pierre Lorenzo notified the board of directors (the “Board”) of Tempest Therapeutics, Inc. (the “Company”) of his decision to resign as the Company’s Corporate Controller, Treasurer, Principal Accounting Officer and Secretary, effective September 30, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1544227/000119312522250135/0001193125-22-250135-index.htm
- Executive change
  Nicholas Maestas was appointed as Secretary at Tempest Therapeutics, Inc..
  - Action: appointed
  - Role: Secretary
  source text: The Board also appointed Nicholas Maestas, the Company’s Vice President, Strategy and Finance, as the Company’s Secretary, effective September 30, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1544227/000119312522250135/0001193125-22-250135-index.htm
- Executive change
  Justin Trojanowski was appointed as Corporate Controller, Treasurer and Principal Accounting Officer at Tempest Therapeutics, Inc..
  - Action: appointed
  - Role: Corporate Controller, Treasurer and Principal Accounting Officer
  source text: On September 21, 2022, the Board approved the promotion and appointment of Justin Trojanowski, as the Company’s Corporate Controller, Treasurer and Principal Accounting Officer, effective September 30, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1544227/000119312522250135/0001193125-22-250135-index.htm

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