LY

LYB · CIK 0001489393

LyondellBasell Industries N.V. (LYB) SEC Filings

Browse 1888 SEC filings for LyondellBasell Industries N.V., covering Apr 15, 2010 through Jul 2, 2026, organized by filing purpose with direct links to the original EDGAR documents.

NYSEIndustrial Organic ChemicalsFiscal year end: 12-31View company on SEC.gov

Indexed filings

1,888

Filed in the last 12 months

95

History covered

20102026

Latest filing

4

Jul 2, 2026

Latest important filings

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Latest annual report

10-K

Annual report · Feb 20, 2026

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Latest quarterly report

10-Q

Quarterly report · May 1, 2026

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Latest company update

8-K

Material agreement; Financial obligation · May 29, 2026

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Complete filing history

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50 filings

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50
FormDescriptionPeriod endedFiled
4PRIMARY DOCUMENTJun 30, 2026Jul 2, 2026
4PRIMARY DOCUMENTJun 30, 2026Jul 2, 2026
4PRIMARY DOCUMENTJun 1, 2026Jun 1, 2026
4PRIMARY DOCUMENTJun 1, 2026Jun 1, 2026
8-KMaterial agreement; Financial obligationMay 29, 2026May 29, 2026
SDSpecialized disclosure reportMay 28, 2026
S-8Employee securities registration statementMay 26, 2026
4PRIMARY DOCUMENTMay 21, 2026May 26, 2026
4PRIMARY DOCUMENTMay 21, 2026May 26, 2026
4PRIMARY DOCUMENTMay 21, 2026May 26, 2026
4PRIMARY DOCUMENTMay 21, 2026May 26, 2026
4PRIMARY DOCUMENTMay 21, 2026May 26, 2026
4PRIMARY DOCUMENTMay 21, 2026May 26, 2026
4PRIMARY DOCUMENTMay 21, 2026May 26, 2026
4PRIMARY DOCUMENTMay 21, 2026May 26, 2026
4PRIMARY DOCUMENTMay 21, 2026May 26, 2026
4PRIMARY DOCUMENTMay 21, 2026May 26, 2026
4PRIMARY DOCUMENTMay 21, 2026May 26, 2026
8-KManagement or director change; Shareholder vote; Other material eventMay 22, 2026May 22, 2026
4PRIMARY DOCUMENTMay 13, 2026May 15, 2026
144Notice of proposed securities saleMay 13, 2026
4PRIMARY DOCUMENTMay 1, 2026May 1, 2026
10-QQuarterly reportMar 31, 2026May 1, 2026
8-KResults of operations; Other material eventMay 1, 2026May 1, 2026
SCHEDULE 13GSCHEDULE 13G filingApr 30, 2026

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Recent filing activity

Annual filing counts derived from this company's SEC history.

2026

75 filings

2025

107 filings

2024

118 filings

2023

114 filings

2022

114 filings

2021

98 filings

2020

111 filings

2019

135 filings

Sources and methodology

How this filing index is assembled and checked.

Filing metadata comes from SEC EDGAR submissions. Categories and plain-language labels are generated deterministically from SEC form and item codes; filing content is not summarized on this page.

Index updated: 7/15/2026

For research and education only. Always review the original SEC filing before making a decision.