Tourmaline LLC files Form 144 to sell shares

Tourmaline Partners, LLC submitted a Form 144 notice to sell ordinary shares of the company listed on the NYSE.

Rhea-AI Filing Summary

Tourmaline Partners, LLC submitted a Form 144 notice to sell ordinary shares of the company listed on the NYSE. The filing lists purchase lots including 98,583 shares (08/29/2019) and 665,918 shares (09/03/2019). The filing also shows 322,169,978 shares as of 03/09/2026.

Insights

Securities Compliance Analyst

Routine Form 144 notice by a holder reporting planned resale activity.

The filing is a standard Section 144 submission listing lots purchased on 08/29/2019, 09/03/2019, and 11/01/2022

It records a baseline figure of 322,169,978 shares as of 03/09/2026; cash‑flow treatment and timing are not specified in the excerpt.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Form 144 filed for LYB mean?

A Form 144 notifies the SEC of an intended resale of restricted or control securities. This filing lists proposed sales of ordinary shares by Tourmaline Partners, LLC and purchase lot dates such as 08/29/2019 and 09/03/2019.

Who is the filer named on the LYB Form 144?

The filer is Tourmaline Partners, LLC, listed with an address in Stamford, CT. The filing identifies the entity as the holder proposing resale of ordinary shares on the NYSE.

How many shares are referenced in the LYB filing?

The filing shows purchase lot examples of 98,583 shares (08/29/2019) and 665,918 shares (09/03/2019). It also lists 322,169,978 shares as of 03/09/2026 in the excerpt.

Does the LYB Form 144 specify sale timing or proceeds?

No. The excerpt lists purchase dates and lot sizes but does not specify timing, sale methods, or proceeds. Details about execution or timing are not provided in the provided content.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/09/2026 - 06:30 PM 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	0001508237
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	LyondellBasell Industries N.V.
SEC File Number	001-34726
Address of Issuer	2800 Post Oak Blvd. Suite 5100 Houston TEXAS 77056
Phone	713-309-7200
Name of Person for Whose Account the Securities are To Be Sold	AI Investments Holdings LLC
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	Affiliate of a 10% stockholder

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
Ordinary Shares	Tourmaline Partners, LLC 680 Washington Boulevard 10th Floor Stamford CT 06901	842	56262.44	322169978	03/09/2026	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 *
Ordinary shares	08/29/2019	Purchase of ordinary shares	Open market transactions			98583	08/29/2019	N/A
Ordinary shares	09/03/2019	Purchase of ordinary shares	Open market transactions			665918	09/03/2019	N/A
Ordinary shares	11/01/2022	Purchase of ordinary shares	Open market transactions			4000	11/01/2022	N/A

* 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

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	03/09/2026
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	Langhorne S. Perrow
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)