---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-006017"
form_type: "8-K"
ticker: "AUB"
cik: "0000883948"
company_name: "Atlantic Union Bankshares Corp"
filed_at: "2025-01-24T23:59:59+00:00"
generated_at: "2026-05-27T12:38:38.468368+00:00"
event_type: "litigation"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Atlantic Union discloses shareholder lawsuits over Sandy Spring merger; issues supplemental proxy disclosures

## Summary
- Three shareholder lawsuits filed in CT and NY allege misleading merger disclosures; demand letters also received from Sandy Spring stockholders.
- Atlantic Union and Sandy Spring deny wrongdoing but issue supplemental proxy disclosures to avoid litigation risk and delays.
- Supplemental disclosures reveal Atlantic Union initially offered 0.85 exchange ratio; final ratio 0.900 with implied premium of 10.2%–14.2%.
- Merger projected accretive to Atlantic Union's 2025E EPS by ~23% (Morgan Stanley) and 15.5% (KBW); tangible book value dilution ~8%.
- Atlantic Union retains Sodali & Co. for proxy solicitation at $25K fee plus expenses; no prior relationship.

## SEC filing metadata
- accession: 0001104659-25-006017
- form_type: 8-K
- ticker: AUB
- cik: 0000883948
- company_name: Atlantic Union Bankshares Corp
- filed_at: 2025-01-24T23:59:59+00:00
- event_type: litigation
- 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/883948/000110465925006017/0001104659-25-006017-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/883948/000110465925006017/tm254362d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-006017
- JSON: https://secwatch.observer/filing/0001104659-25-006017.json
- Plain text: https://secwatch.observer/filing/0001104659-25-006017.txt

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