Summary
Updated Aug 31, 2026
Peter Z. E. Vanacker is Chief Executive Officer of LyondellBasell Industries N.V. (LYB). 4 SEC Form 4 filings on record going back to 2025, most recently on 3 March 2026. Most recent open-market trade: sold $1.07M of LYB on 15 August 2025. Lifetime open-market sales: $1.07M.
Recent Transactions
9Every recent SEC Form 4 transaction Peter Z. E. Vanacker has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Peter Z. E. Vanacker go back to 2025: 4 primary Form 4 filings, an average of 2.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Peter Z. E. Vanacker files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- AI INVESTMENTS HOLDINGS LLC - $26.26M of LYB open-market activity in the last 12 months
- Jeffrey A. Kaplan - $742K of LYB open-market activity in the last 12 months
- Kimberly A. Foley - $247K of LYB open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Peter Z. E. Vanacker?
Peter Z. E. Vanacker is a corporate insider, tracked as Chief Executive Officer of LyondellBasell Industries N.V. (LYB). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Peter Z. E. Vanacker last file a Form 4?
The most recent primary Form 4 on record is dated 3 March 2026, one of 4 filings going back to 2025.
Has Peter Z. E. Vanacker been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($1.07M) across all tracked filings.
Where can I see all of Peter Z. E. Vanacker's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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