---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-086873"
form_type: "8-K"
ticker: "AUB"
cik: "0000883948"
company_name: "Atlantic Union Bankshares Corp"
filed_at: "2026-07-27T12:50:39+00:00"
generated_at: "2026-07-27T12:55:06.716027+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "low"
source: SEC EDGAR
---

# Atlantic Union Bankshares proposes offering of Fixed-to-Floating Rate Subordinated Notes due 2036

## Summary
- Filed preliminary prospectus supplement for a new series of Fixed-to-Floating Rate Subordinated Notes due 2036.
- No specific principal amount, interest rate, or pricing terms disclosed in the filing.
- Investor presentation filed as Exhibit 99.1 but full terms not provided in the exhibit excerpt.
- Offering subject to market conditions and SEC effectiveness; proceeds intended for general corporate purposes.

## SEC filing metadata
- accession: 0001104659-26-086873
- form_type: 8-K
- ticker: AUB
- cik: 0000883948
- company_name: Atlantic Union Bankshares Corp
- filed_at: 2026-07-27T12:50:39+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: low
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/883948/000110465926086873/0001104659-26-086873-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/883948/000110465926086873/tm2621266d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-086873
- JSON: https://secwatch.observer/filing/0001104659-26-086873.json
- Plain text: https://secwatch.observer/filing/0001104659-26-086873.txt

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