LYB has no Form 4 filing in the last 90 days, so there is no summary for that window. The most recent filings we hold are below, the newest dated 15 December 2025.
DateInsiderTypeSharesValue
12 Nov 2025Foley Kimberly AEVP, Global O&P and RefiningBuy5,661$247K
Compensation mechanics
Share grants, option exercises, tax withholding and transfers. They reach the same Form 4 as a trade, but they are not the insider buying or selling on the open market, so no purchase or sale value applies to them.
DateInsiderTypeSharesValue
15 Dec 2025Ledet Aaron JEVP, I&D & Supply ChainTax withheld50$2K
15 Nov 2025Izquierdo Sabido AgustinEVP & Chief Financial OfficerTax withheld1,156$52K
15 Oct 2025Friedrichs Dale DEVP, Ops Excellence, HSETax withheld74$3K
15 Oct 2025Seward James MalcolmEVP & Chief Innovation OfficerTax withheld84$4K
15 Oct 2025Foley Kimberly AEVP, Global O&P and RefiningTax withheld347$16K
15 Oct 2025Campbell Tracey DEVP, Sustainability & Corp AffTax withheld43$2K
15 Oct 2025van der Laan YvonneEVP, Circular & Low Carbon SolTax withheld131$6K
15 Oct 2025Hayes Matthew DSVP & CAOTax withheld152$7K
10 of the 45 institutional funds we track reported a LYB position for the quarter ended 30 Jun 2026 — a combined $1.0B; the latest of those filings landed 02 Sep 2026.
The most recent congressional trade disclosed in LYB is a sale by Julie Johnson (house, TX), dated 25 Sep 2025.
DateMemberTypeAmount
25 Sep 2025 filed 07 Oct 2025
Julie Johnson house · Democrat–TX
Sale
$1K–$15K
23 Sep 2025 filed 05 Aug 2026
Julie Johnson house · Democrat–TX
Purchase
$1K–$15K
24 Jun 2025 filed 13 Aug 2025
Lisa C. McClain house · Republican–MI
Sale
$1K–$15K
09 Jun 2025 filed 13 Aug 2025
Lisa C. McClain house · Republican–MI
Purchase
$1K–$15K
15 May 2025 filed 09 Jun 2025
Robert P. Bresnahan, Jr. house · Republican–PA
Purchase
$1K–$15K
30 Mar 2016 filed 12 Apr 2016
Debbie Dingell house · Democrat–MI
Purchase
$15K–$50K
Sources
Finazonprior-day close, indicative (IEX-derived, not the official close), some closes dollar-rounded at the source
TradingViewthe price chart widget, drawn by TradingView from their own data
SEC EDGARSEC EDGAR XBRL company facts · latest period ended 30 Jun 2026
SEC EDGARSEC EDGAR 13F filings
SECSEC fails-to-deliver (CNS) data
House disclosuresU.S. House of Representatives financial disclosures
SEC EDGARValuation computed from SEC EDGAR filings
Wikipediatext of the lead paragraph, licensed CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/) — https://en.wikipedia.org/wiki/LyondellBasell