---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-24-048853"
form_type: "8-K"
ticker: "CRBG"
cik: "0001889539"
company_name: "Corebridge Financial, Inc."
filed_at: "2024-12-10T23:59:59+00:00"
generated_at: "2026-05-29T05:18:36.872408+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Nippon Life completes $3.8B purchase of 21.6% Corebridge stake from AIG; board changes

## Summary
- Nippon Life acquired 121.96M CRBG shares from AIG for ~$3.8B cash, now owns 21.6% of Corebridge; AIG retains 22.5%.
- Stockholder agreement gives Nippon board designation rights, committee seats, and standstill restrictions until stake falls below 5%.
- Alan Colberg elected Chair; Gilles Dellaert (Blackstone) and Minoru Kimura (Nippon) join board; four AIG-designated directors resign.
- Board reduced from 13 to 11 members effective with transaction closing.

## SEC filing metadata
- accession: 0001140361-24-048853
- form_type: 8-K
- ticker: CRBG
- cik: 0001889539
- company_name: Corebridge Financial, Inc.
- filed_at: 2024-12-10T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 1.01, 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1889539/000114036124048853/0001140361-24-048853-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1889539/000114036124048853/ef20039630_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-24-048853
- JSON: https://secwatch.observer/filing/0001140361-24-048853.json
- Plain text: https://secwatch.observer/filing/0001140361-24-048853.txt

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