---
schema_version: "secwatch.filing_event.v1"
accession: "0001600626-23-000133"
form_type: "8-K"
ticker: "PKST"
cik: "0001600626"
company_name: "Peakstone Realty Trust"
filed_at: "2023-09-07T23:59:59+00:00"
generated_at: "2026-06-10T22:50:25.941153+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "medium"
source: SEC EDGAR
---

# Peakstone Realty Trust terminates administrative services agreement with Griffin entities

## Summary
- Termination notice delivered September 6, 2023 for Administrative Services Agreement dated December 14, 2018.
- HR support services to cease October 6, 2023; entire agreement terminates as it was the only remaining service.
- Agreement was among Peakstone, PKST OP, two Griffin affiliates, and two other Peakstone subsidiaries.
- No financial impact or replacement service provider disclosed in the filing.

## SEC filing metadata
- accession: 0001600626-23-000133
- form_type: 8-K
- ticker: PKST
- cik: 0001600626
- company_name: Peakstone Realty Trust
- filed_at: 2023-09-07T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: medium
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1600626/000160062623000133/0001600626-23-000133-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1600626/000160062623000133/gcnl-20230906.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001600626-23-000133
- JSON: https://secwatch.observer/filing/0001600626-23-000133.json
- Plain text: https://secwatch.observer/filing/0001600626-23-000133.txt

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