Mark R. Widmar - 26 Feb 2026 Form 4 Insider Report for ALBEMARLE CORP (ALB)

Reporting relationship: Director
Issuer ticker: ALB
Reported as of: 26 Feb 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Mar 2026, 17:24:23 UTC
Prior SEC filing: 18 Aug 2025
Next SEC filing: 03 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Corey E. Tanner, Attorney-in-fact

Key filing fact

Mark R. Widmar filed Form 4 for ALBEMARLE CORP (ALB) on 02 Mar 2026.

Key facts

This page summarizes Mark R. Widmar's Form 4 filing for ALBEMARLE CORP (ALB).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 02 Mar 2026, 17:24.

Change

Previous filing in this sequence was filed on 18 Aug 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001362208 Primary reporting owner

Widmar Mark R

Relationship: Director
Address: 4250 CONGRESS STREET, SUITE 900, CHARLOTTE
Signature: /s/ Corey E. Tanner, Attorney-in-fact
Signature date: 02 Mar 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ALB transaction Derivative

Phantom Stock

Award

Transaction value: $0
Shares: +325
Change %
Price: $0.000000
Shares after: 325
Date: 26 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 325
Exercise price
Footnotes: F1, F2, F3, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Phantom Stock units convert 1 for 1 into common stock.

Footnote F2

Payable as shares of common stock upon events established by the reporting person in accordance with the terms of the 2023 Directors Plan.

Footnote F3

No expiration date.

Footnote F4

Shares represent a pro-rata grant of an annual installment of non-employee director stock compensation pursuant to the Albemarle Corporation 2023 Stock Compensation and Deferral Election Plan for Non-Employee Directors (the "2023 Directors Plan"). Shares to vest on July 1, 2026.