---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-24-013875"
form_type: "8-K"
ticker: "ONB"
cik: "0000707179"
company_name: "OLD NATIONAL BANCORP /IN/"
filed_at: "2024-04-01T23:59:59+00:00"
generated_at: "2026-06-04T05:01:27.106281+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Old National completes CapStar merger; pro forma assets $52B, AUM $29B

## Summary
- CapStar had ~$3.1B assets, $2.7B deposits, $2.3B net loans as of Dec 31, 2023.
- Pro forma combined assets ~$52B, AUM ~$29B; among top 30 U.S. bank holding companies.
- System and banking center conversions expected in Q3 2024; CapStar Bank to operate as a division of Old National Bank until then.
- Deal closed April 1, 2024, per October 26, 2023 merger agreement.

## SEC filing metadata
- accession: 0001628280-24-013875
- form_type: 8-K
- ticker: ONB
- cik: 0000707179
- company_name: OLD NATIONAL BANCORP /IN/
- filed_at: 2024-04-01T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/707179/000162828024013875/0001628280-24-013875-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/707179/000162828024013875/onb-20240401.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-24-013875
- JSON: https://secwatch.observer/filing/0001628280-24-013875.json
- Plain text: https://secwatch.observer/filing/0001628280-24-013875.txt

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