---
schema_version: "secwatch.filing_event.v1"
accession: "0001504008-25-000048"
form_type: "8-K"
ticker: "BKU"
cik: "0001504008"
company_name: "BankUnited, Inc."
filed_at: "2025-11-10T23:59:59+00:00"
generated_at: "2026-05-16T22:21:00.170783+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# BankUnited appoints James G. Mackey as CFO effective Nov 10, 2025

## Summary
- James G. Mackey became CFO on November 10, 2025, succeeding Leslie N. Lunak who served since 2013.
- Lunak remains as Executive Advisor through January 2026 to support transition.
- Mackey had been Senior EVP of Finance since August 15, 2025; appointment was planned and disclosed on July 23, 2025.
- No family relationships or arrangements with other persons were noted regarding Mackey's appointment.

## SEC filing metadata
- accession: 0001504008-25-000048
- form_type: 8-K
- ticker: BKU
- cik: 0001504008
- company_name: BankUnited, Inc.
- filed_at: 2025-11-10T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1504008/000150400825000048/0001504008-25-000048-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1504008/000150400825000048/bku-20251110.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001504008-25-000048
- JSON: https://secwatch.observer/filing/0001504008-25-000048.json
- Plain text: https://secwatch.observer/filing/0001504008-25-000048.txt

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