---
schema_version: "secwatch.filing_event.v1"
accession: "0001819796-21-000046"
form_type: "8-K"
ticker: "GCMG"
cik: "0001819796"
company_name: "GCM Grosvenor Inc."
filed_at: "2021-07-02T23:59:59+00:00"
generated_at: "2026-06-30T07:42:45.721890+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# GCM Grosvenor buys out CPPIB-affiliated partner's stake in Mosaic for ~$163M

## Summary
- GCMH exercised option to purchase third-party investor's Mosaic interest for net ~$163M, including $13M discount.
- Transaction removes redeemable noncontrolling interest from Company's financial statements.
- Third-party investor was affiliated with Canada Pension Plan Investment Board.
- Closing effective July 2, 2021.

## SEC filing metadata
- accession: 0001819796-21-000046
- form_type: 8-K
- ticker: GCMG
- cik: 0001819796
- company_name: GCM Grosvenor Inc.
- filed_at: 2021-07-02T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1819796/000181979621000046/0001819796-21-000046-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1819796/000181979621000046/gcm-20210702.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001819796-21-000046
- JSON: https://secwatch.observer/filing/0001819796-21-000046.json
- Plain text: https://secwatch.observer/filing/0001819796-21-000046.txt

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