Tourmaline files Form 144 for 15.0M LYB shares

Tourmaline Partners, LLC submitted a Form 144 reporting a proposed sale of 15,027,301 ordinary shares tied to an internal reorganization by Access Industries Core Holdings LLC.

Rhea-AI Filing Summary

Tourmaline Partners, LLC submitted a Form 144 reporting a proposed sale of 15,027,301 ordinary shares tied to an internal reorganization by Access Industries Core Holdings LLC. The filing references NYSE trading and shows a report date of 03/09/2026.

Insights

Securities Markets Analyst

Form 144 lists a large proposed resale by an affiliate; this is an administrative notice.

The filing shows 15,027,301 ordinary shares associated with Access Industries Core Holdings LLC and labels the transaction an internal reorganization with a report date of 03/09/2026.

Timing and execution details are not provided in the excerpt, so actual market impact depends on whether and how the holder offers or sells the shares in public markets. Subsequent trade reports or Form 4/144 amendments would show execution.

Corporate Counsel (Equity Transactions)

The notice documents compliance with resale notice requirements for an affiliate transfer.

Form 144 is a regulatory notice used when affiliates plan to sell restricted or control securities; the excerpt ties the sale to an internal reorganization dated 01/26/2024. It names the selling entity as Access Industries Core Holdings LLC.

For legal certainty, investors should look for later filings that disclose the sale method, broker arrangements, or any SEC amendments; those details are not present here.

FAQ

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

What does the LYB Form 144 filing report?

The filing reports a proposed resale of 15,027,301 ordinary shares linked to an internal reorganization. It names Access Industries Core Holdings LLC and shows a report date of 03/09/2026.

Who is the selling party listed on the Form 144 for LYB?

The seller is listed as Access Industries Core Holdings LLC. The filing also identifies Tourmaline Partners, LLC in the filer information and ties the transaction to an internal reorganization date of 01/26/2024.

Does the Form 144 excerpt state how the LYB shares will be sold?

The excerpt does not specify sale mechanics or market method. It records the proposed resale amount and reorganization context, but execution details such as block trades, brokers, or timing are not provided in the excerpt.

Is the reported share count on the LYB Form 144 definite?

The filing shows 15,027,301 ordinary shares as the securities to be sold. Whether that full amount is ultimately sold depends on subsequent trading activity or additional SEC filings, which are not included in the excerpt.

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

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Accepted by SEC EDGAR 03/09/2026 - 06:21 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	0001696975
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 Chemical 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	384548	25695497.36	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	01/26/2024	Internal reorganization	Access Industries Core Holdings LLC			15027301	01/26/2017	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)