---
schema_version: "secwatch.filing_event.v1"
accession: "0001600626-23-000116"
form_type: "8-K"
ticker: "PKST"
cik: "0001600626"
company_name: "Peakstone Realty Trust"
filed_at: "2023-06-23T23:59:59+00:00"
generated_at: "2026-06-13T18:03:04.240646+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Peakstone Realty Trust promotes Sitzer to COO/CLO; EVP Tausk to depart with $1.02M severance

## Summary
- Nina Momtazee Sitzer promoted to COO and Chief Legal Officer effective June 23, 2023.
- Scott Tausk's employment terminates June 30, 2023; will provide consulting through March 15, 2024.
- Tausk receives $218,750 prorated bonus, $787,500 lump sum, and $13,291.41 healthcare cost payment.
- Tausk eligible for up to $500,000 in restricted stock units if consulting period completed.
- Company partially terminates administrative services agreement with Griffin entities, retaining only HR support.

## SEC filing metadata
- accession: 0001600626-23-000116
- form_type: 8-K
- ticker: PKST
- cik: 0001600626
- company_name: Peakstone Realty Trust
- filed_at: 2023-06-23T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1600626/000160062623000116/0001600626-23-000116-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1600626/000160062623000116/gcnl-20230623.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001600626-23-000116
- JSON: https://secwatch.observer/filing/0001600626-23-000116.json
- Plain text: https://secwatch.observer/filing/0001600626-23-000116.txt

## Key facts
- Executive change
  Nina Momtazee Sitzer changed role as Chief Operating Officer and Chief Legal Officer at Peakstone Realty Trust.
  - Action: promoted
  - Role: Chief Operating Officer and Chief Legal Officer
  source text: On June 20, 2023, the Board of Trustees (the “Board”) of Peakstone Realty Trust (the “Company”) promoted Ms. Nina Momtazee Sitzer, the Company’s Chief Legal and Administrative Officer, Executive Vice President – Operations, and Secretary, to Chief Operating Officer and Chief Legal Officer, effective June 23, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1600626/000160062623000116/0001600626-23-000116-index.htm
- Executive change
  Scott Tausk was terminated as Executive Vice President at Peakstone Realty Trust.
  - Action: terminated
  - Role: Executive Vice President
  source text: Mr. Tausk’s employment with the Company will terminate effective as of June 30, 2023
  evidence_url: https://www.sec.gov/Archives/edgar/data/1600626/000160062623000116/0001600626-23-000116-index.htm

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