Albemarle (ALB) Chief Supply Chain Officer receives 3,143-share RSU award

Rhea-AI Filing Summary

Mummert Mark Richard reported acquisition or exercise transactions in this Form 4 filing.

Albemarle Corp’s Chief Supply Chain Officer, Mark Richard Mummert, received an equity award of 3,143 shares of common stock on 03/02/2026. The award is in the form of Restricted Stock Units that vest 100% on 03/02/2029, subject to the terms of the award agreement. Following this grant, his directly owned common stock holdings total 17,515 shares.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Mummert Mark Richard

(Last) (First) (Middle)

4250 CONGRESS ST, SUITE 900

SUITE 900

(Street)

CHARLOTTE NC 28209

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ALBEMARLE CORP [ ALB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Supply Chain Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/02/2026		A		3,143(1)	A	$0	17,515	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Restricted Stock Units vest 100% on 03/02/2029, subject to the terms of the award agreement.

Remarks:

	/s/ Corey E. Tanner, Attorney-in-fact	03/04/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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FAQ

What did Albemarle (ALB) executive Mark Richard Mummert report on this Form 4?

Mark Richard Mummert reported receiving an equity award of 3,143 shares of Albemarle common stock. These are Restricted Stock Units that were granted at no purchase price and increase his directly owned holdings to 17,515 shares after the transaction.

How many Albemarle (ALB) shares were granted to Mark Richard Mummert?

He was granted 3,143 shares of Albemarle common stock as an equity award. The grant is structured as Restricted Stock Units and was recorded at a price of $0.0000 per share on the Form 4 disclosure.

When do Mark Richard Mummert’s Albemarle (ALB) Restricted Stock Units vest?

The Restricted Stock Units granted to Mark Richard Mummert vest 100% on 03/02/2029. Vesting is subject to the terms and conditions of the applicable award agreement governing this equity grant, as noted in the Form 4 footnote.

What is Mark Richard Mummert’s Albemarle (ALB) share ownership after this Form 4 grant?

After the reported equity grant, Mark Richard Mummert directly owns 17,515 shares of Albemarle common stock. This total includes the 3,143-share Restricted Stock Unit award reported in the Form 4 filing for the transaction dated 03/02/2026.

What role does Mark Richard Mummert hold at Albemarle (ALB) in this Form 4?

In this Form 4, Mark Richard Mummert is identified as Albemarle’s Chief Supply Chain Officer. The filing records his receipt of a Restricted Stock Unit grant, reflecting equity compensation associated with his executive position at the company.

Was Mark Richard Mummert’s Albemarle (ALB) equity transaction a purchase or an award?

The transaction was an equity award, not an open-market purchase. The Form 4 uses code “A” and describes it as a grant or award acquisition of 3,143 Restricted Stock Units at a stated price of $0.0000 per share.