LYTIR

Company · LYB

LyondellBasell Industries N.V.

In the 12 months to Nov 8, 2026: 2 filings by holders of 5% or more; 2 congressional trade disclosures; 2 company reports (Form 8-K, since May 26, 2026).

All insider filings at the SEC

Large holders · SEC Schedules 13D and 13G

Five percent and over

Anyone who comes to hold more than 5% of a company's voting shares must tell the SEC. A Schedule 13D is filed by a holder who may seek to influence the company; a 13G by one who states it is a passive investor. An amendment updates an earlier filing, and a stake reported as 0% means the holder says it has sold all, or nearly all, of its shares. Every recent 13D and 13G

  1. LYB Holdco LLC filed Nov 5, 2026 Schedule 13D/A may seek influence 63,435,504 shares filing 19.6%
  2. Dodge & Cox filed Aug 13, 2026 Schedule 13G/A passive 800 shares filing 0%

Congress · STOCK Act

The Althing

Periodic transaction reports. Amounts are the ranges members report; the trade date is when it happened, the report can come up to 45 days later.

  1. Alan Armstrong (R-OK): Purchase Mar 27, 2026 reported Jul 21, 2026 one of 703 trades the member reported that day Senate Stock $1,001 - $15,000
  2. Gilbert Cisneros (D-CA31): Purchase Jan 9, 2026 reported Feb 13, 2026 one of 151 trades the member reported that day House Stocks (including ADRs) $1,001 - $15,000

Company reports · SEC Form 8-K

In its own words

Current reports the company filed with the SEC; most items are due within four business days of the event. Each line lists the report's items by the SEC's own titles; the filing says what happened. Reports collected since May 26, 2026; every 8-K at the SEC.

  1. Results of operations and financial condition; Other events filing Oct 30, 2026
  2. Results of operations and financial condition filing Jul 31, 2026

Sources: SEC EDGAR (Forms 4, 144 and 8-K) and STOCK Act periodic transaction reports. Filings can be late, amended or wrong at the source; see methodology.