---
schema_version: "secwatch.filing_event.v1"
accession: "0000915913-25-000144"
form_type: "8-K"
ticker: "ALB"
cik: "0000915913"
company_name: "ALBEMARLE CORP"
filed_at: "2025-08-12T23:59:59+00:00"
generated_at: "2026-05-17T15:05:04.087256+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Albemarle COO Netha Johnson departs Aug 10; Mark Mummert succeeds as COO

## Summary
- Netha N. Johnson left as Chief Operations Officer effective August 10, 2025.
- Mark M. Mummert, age 57, named COO; previously SVP Chief Capital, Resources and Integrated Supply Chain since Nov 2024.
- Mummert's base salary set at $550,000; AIP target 80% of eligible earnings.
- Long-term incentive target for 2026 awarded during Q1 2026: $1,400,000 in PSUs, RSUs and/or options.
- Mummert joined Albemarle in 2019; prior roles at FMC, Rohm and Haas, and Dow Chemical.

## SEC filing metadata
- accession: 0000915913-25-000144
- form_type: 8-K
- ticker: ALB
- cik: 0000915913
- company_name: ALBEMARLE CORP
- filed_at: 2025-08-12T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/915913/000091591325000144/0000915913-25-000144-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/915913/000091591325000144/alb-20250810.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000915913-25-000144
- JSON: https://secwatch.observer/filing/0000915913-25-000144.json
- Plain text: https://secwatch.observer/filing/0000915913-25-000144.txt

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