Insider sells 38,542 shares — Albemarle (AU) Form 144 report

Rhea-AI Filing Summary

Albemarle Corporation insider transaction reported. The filing notifies the sale of 38,542 shares of Common Stock via an exercise of stock options on 03/06/2026 using a cashless exercise as part of compensation. The excerpt also shows a prior sale of 40,148 shares by Alberto Calderon on 12/10/2025.

Insights

Insider Transactions Analyst

Routine insider compensation-related sale reported; transaction size is modest relative to large-cap equity.

The filing lists the intended sale of 38,542 shares by exercise of stock options on 03/06/2026 via a cashless exercise described as compensation. Cashless exercises convert option value into net shares delivered after withholding/sale.

Past activity includes a sale of 40,148 shares by Alberto Calderon on 12/10/2025. Timing and proceeds recipients are stated as issuer/compensation; specific proceeds amounts are not shown in the excerpt.

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Accepted by SEC EDGAR 03/06/2026 - 07:43 AM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	BNP PARIBAS, NEW YORK BRANCH/CUSTODY/CLIENT ASSETS New York, NY 787 Seventh Avenue New York NY 10019	38542	4360641.88	505502299	03/06/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	03/06/2026	Exercise of Stock Options	Issuer			38542	03/06/2026	Compensation, cashless exercise

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Alberto Calderon 6363 S. Fiddlers Green Circle, Suite 100 Greenwood Village Denver CO 80111	Common Stock	12/10/2025	40148	3203220.22

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What did Albemarle (AU) disclose in this Form 144?

The Form 144 notifies the sale of 38,542 shares via an exercise of stock options on 03/06/2026, executed as a cashless exercise and described as compensation.

Who sold shares previously according to the filing?

The filing shows Alberto Calderon sold 40,148 shares on 12/10/2025. This prior sale is listed under securities sold during the past three months.

Does the filing state proceeds or cash received from the sale?

The excerpt identifies the method as a cashless exercise and labels the activity as compensation, but it does not provide a specific proceeds dollar amount in the provided text.

What is a cashless exercise as referenced in the Form 144?

A cashless exercise converts option value into net shares by withholding/selling shares to cover exercise cost and taxes; the filing labels this exercise as part of compensation.

When is the intended sale date listed in the filing?

The intended sale via option exercise is dated 03/06/2026 in the provided excerpt; the prior reported sale occurred on 12/10/2025.