---
schema_version: "secwatch.filing_event.v1"
accession: "0001144215-25-000032"
form_type: "8-K"
ticker: "AYI"
cik: "0001144215"
company_name: "ACUITY INC. (DE)"
filed_at: "2025-02-13T23:59:59+00:00"
generated_at: "2026-05-26T22:01:22.466750+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Acuity Brands CHRO Dianne Mills to retire Dec 31, 2025; will serve as strategic advisor

## Summary
- Dianne S. Mills, SVP & Chief Human Resources Officer, plans to retire from her role effective December 31, 2025.
- Mills notified the company on February 10, 2025, and is expected to continue as a strategic advisor post-retirement.
- No compensation arrangements have been entered into with Mills in connection with this announcement.

## SEC filing metadata
- accession: 0001144215-25-000032
- form_type: 8-K
- ticker: AYI
- cik: 0001144215
- company_name: ACUITY INC. (DE)
- filed_at: 2025-02-13T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1144215/000114421525000032/0001144215-25-000032-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1144215/000114421525000032/ayi-20250210.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001144215-25-000032
- JSON: https://secwatch.observer/filing/0001144215-25-000032.json
- Plain text: https://secwatch.observer/filing/0001144215-25-000032.txt

## Key facts
- Executive change
  Dianne S. Mills departed as Senior Vice President and Chief Human Resources Officer at ACUITY INC. (DE).
  - Action: retire
  - Role: Senior Vice President and Chief Human Resources Officer
  source text: On February 10, 2025, Dianne S. Mills, Senior Vice President and Chief Human Resources Officer, notified Acuity Brands, Inc. (the "Company") of her intent to retire from her current role with the Company effective December 31, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1144215/000114421525000032/0001144215-25-000032-index.htm

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