Sec Form 4 Filing - STEINER GERALD A @ ALBEMARLE CORP - 2026-02-18

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

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person STEINER GERALD A 2. Issuer Name and Ticker or Trading Symbol ALBEMARLE CORP [ ALB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) ALBEMARLE CORPORATION, 4250 CONGRESS STREET, SUITE 900 3. Date of Earliest Transaction (MM/DD/YY) 02/18/2026 (Street) CHARLOTTE, NC28209 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 02/18/2026 M 153 ( 1 ) A $ 0 ( 2 ) 11,165 D Common Stock 02/18/2026 M 781 ( 3 ) A $ 0 ( 2 ) 11,946 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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 Phantom Stock ( 4 ) 02/18/2026 M 153 ( 5 ) ( 6 ) Common Stock 153 ( 2 ) 10,408 ( 7 ) D Phantom Stock ( 8 ) 02/18/2026 M 781 ( 9 ) ( 6 ) Common Stock 781 ( 2 ) 9,627 ( 7 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other STEINER GERALD A ALBEMARLE CORPORATION 4250 CONGRESS STREET, SUITE 900 CHARLOTTE, NC28209 X Signatures /s/ Ander C. Krupa, Attorney-in-Fact 02/20/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The reporting person settled 153 shares of Phantom Stock for the same number of shares of common stock. ( 2 )Phantom Stock units convert 1 for 1 into common stock. ( 3 )The reporting person settled 781 shares of Phantom Stock for the same number of shares of common stock. ( 4 )Represents deferred director compensation under the Albemarle Corporation 2013 Stock Compensation and Deferral Election Plan for Non-Employee Directors. ( 5 )Exerciseable in five annual installments beginning on February 15th of the year after the year in which the reporting person reached 65 years of age. ( 6 )No expiration date. ( 7 )Includes dividend equivalent rights earned based on total Phantom Stock units in Director's deferred stock account. ( 8 )Represents deferred director compensation under the Albemarle Corporation 2023 Stock Compensation and Deferral Election Plan for Non-Employee Directors ( 9 )Exercisable in a single lump sum on February 15th of the calendar year after the year in which the reporting reached 65 years of age.

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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