Albemarle (ALB) executive reports PSU vesting and tax-withheld shares

Rhea-AI Filing Summary

Albemarle Corp executive Melissa H. Anderson reported equity compensation activity involving the company’s common stock. On February 26, 2026, she acquired 1,129 shares through the vesting of Performance Stock Units that were originally granted on February 24, 2023, split between ROIC and rTSR performance awards.

On the same date, 491 shares were disposed of to cover tax liabilities related to this vesting, as a tax-withholding disposition rather than an open‑market sale. After these transactions, she directly owned 9,512 shares of Albemarle common stock and also indirectly held 179.1617 shares through the Albemarle Savings Plan as of this Form 4.

Insights

Equity compensation and governance analyst

Routine equity award vesting with tax withholding; overall effect is neutral.

Melissa H. Anderson, a senior officer of Albemarle Corp, reported the vesting of 1,129 common shares tied to performance stock units granted in February 2023. This reflects previously awarded compensation becoming fully earned as of February 26, 2026.

A portion of 491 shares was withheld to satisfy tax obligations, a standard non‑cash disposition that does not indicate open‑market selling. Following these movements, she directly held 9,512 shares and also maintained an indirect position via the Albemarle Savings Plan, suggesting continued equity exposure aligned with shareholders.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Anderson Melissa H.

Role Chief Bus..Transformation Off.

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,129	$184.93	$209K
Tax Withholding	Common Stock	491	$184.93	$91K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 10,003 shares (Direct); Common Stock — 179.162 shares (Indirect, Albemarle Savings Plan)

Footnotes (1)

1. Performance Stock Units granted 02/24/2023. 50% granted as ROIC Performance Stock Units and 50% granted as rTSR Performance Stock Units. All shares earned vested on 2/26/2026. Shares withheld to meet tax liabilities associated with vesting of Performance Stock Units granted on 02/24/2023. Total number of shares of Common Stock held in the name of the Reporting Person under the Albemarle Corporation Retirement Savings Plan (the "Albemarle Savings Plan") as of the date of this Form 4.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 03/02/2026 - 05:54 PM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Anderson Melissa H.

(Last) (First) (Middle)

ALBEMARLE CORPORATION

4250 CONGRESS ST. 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 Bus..Transformation Off.

3. Date of Earliest Transaction (Month/Day/Year)
02/26/2026

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	02/26/2026		A		1,129(1)	A	$184.93	10,003	D
Common Stock	02/26/2026		F		491(2)	D	$184.93	9,512	D
Common Stock								179.1617	I	Albemarle Savings Plan(3)

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. Performance Stock Units granted 02/24/2023. 50% granted as ROIC Performance Stock Units and 50% granted as rTSR Performance Stock Units. All shares earned vested on 2/26/2026.

2. Shares withheld to meet tax liabilities associated with vesting of Performance Stock Units granted on 02/24/2023.

3. Total number of shares of Common Stock held in the name of the Reporting Person under the Albemarle Corporation Retirement Savings Plan (the "Albemarle Savings Plan") as of the date of this Form 4.

Remarks:

	/s/ Corey E. Tanner, Attorney-in-fact	03/02/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did Albemarle (ALB) executive Melissa H. Anderson report?

Melissa H. Anderson reported vesting of 1,129 Albemarle common shares from Performance Stock Units on February 26, 2026. On the same date, 491 shares were withheld in a tax-related disposition, reflecting standard equity compensation and tax-settlement activity rather than open-market buying or selling.

Did Melissa H. Anderson buy or sell Albemarle (ALB) stock on the open market?

The filing shows no open-market purchases or sales. She acquired shares via vesting of Performance Stock Units and had 491 shares disposed of solely to cover tax liabilities, a common non-cash withholding mechanism associated with equity compensation rather than discretionary trading activity.

How many Albemarle (ALB) shares does Melissa H. Anderson own after these transactions?

After the reported transactions, Melissa H. Anderson directly owned 9,512 shares of Albemarle common stock. She also indirectly held 179.1617 shares through the Albemarle Savings Plan as of the Form 4 date, showing both direct and retirement-plan-based ownership stakes in the company.

What is the origin of the Albemarle (ALB) Performance Stock Units that vested for Melissa H. Anderson?

The vested shares came from Performance Stock Units granted on February 24, 2023. Half were ROIC Performance Stock Units and half were rTSR Performance Stock Units, and all shares earned under this grant vested on February 26, 2026, triggering the reported common stock acquisition.

What does the tax-withholding disposition in the Albemarle (ALB) Form 4 mean?

The Form 4 shows 491 shares as a tax-withholding disposition, used to meet tax liabilities tied to the vesting of Performance Stock Units. This typically involves the issuer retaining shares rather than a market sale, so it does not reflect discretionary selling by the executive.