Jeffrey A. Kaplan - 13 May 2026 Form 4 Insider Report for LyondellBasell Industries N.V. (LYB)

Reporting relationship: EVP, Chief PC, Leg & Corp Ofc
Issuer ticker: LYB
Reported as of: 13 May 2026
Net transaction value: -$741,573
SEC form: 4
Accepted by SEC: 15 May 2026, 16:09:51 UTC
Prior SEC filing: 03 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Lara A. Mason, Attorney-in-Fact

Key filing fact

Jeffrey A. Kaplan filed Form 4 for LyondellBasell Industries N.V. (LYB) on 15 May 2026.

Key facts

This page summarizes Jeffrey A. Kaplan's Form 4 filing for LyondellBasell Industries N.V. (LYB).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 15 May 2026, 16:09.

Change

Previous filing in this sequence was filed on 03 Mar 2026.
Current net transaction value: -$741,573.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001634184 Primary reporting owner

Kaplan Jeffrey A

Relationship: EVP, Chief PC, Leg & Corp Ofc
Address: 4TH FLOOR, ONE VINE STREET, LONDON, UNITED KINGDOM
Signature: /s/ Lara A. Mason, Attorney-in-Fact
Signature date: 15 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

LYB transaction

Class A Ordinary Shares

Sale

Transaction value: $741,573
Shares: -10,000
Change %: -9.4%
Price: $74.16
Shares after: 96,674
Date: 13 May 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

This transaction was executed in multiple trades at prices ranging from $74.13 USD to $74.21 USD. The price reported above reflects the weighted-average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F2

Includes 32,627 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 3,218 granted on February 22, 2024 that vest on February 22, 2027; 4,103 granted on February 27, 2025 that vest on February 27, 2027; 4,103 granted on February 27, 2025 that vest on February 27, 2028 and 21,203 granted on February 28, 2026 of which: 7,069 vest on February 28, 2027, 7,067 vest on February 28, 2028 and 7,067 vest on February 28, 2029.