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LyondellBasell Industries N.V. (LYB)

LyondellBasell Industries N.V. (LYB) Insider Trading

Directors, officers and holders of more than 10% of LYB report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 288 transactions on file: 0 with code P, 7 with code S and 43 with other codes.

DateInsiderCodeShares
Oct 15, 2026Hayes Matthew DF Tax Payment152
Sep 30, 2026Karlin Bridget EA Award781
Sep 30, 2026KAMSKY VIRGINIA AF Tax Payment139
Sep 30, 2026Karlin Bridget EF Tax Payment194
Sep 30, 2026KAMSKY VIRGINIA AA Award720
Jun 30, 2026KAMSKY VIRGINIA AF Tax Payment100
Jun 30, 2026Karlin Bridget EA Award615
Jun 30, 2026KAMSKY VIRGINIA AA Award561
Jun 30, 2026Karlin Bridget EF Tax Payment73
May 22, 2026Griffin Rita EF Tax Payment639
May 22, 2026Hanley Michael SeanF Tax Payment540
May 22, 2026KAMSKY VIRGINIA AF Tax Payment593
May 22, 2026Buchanan Robin W.T.F Tax Payment1,247
May 22, 2026AIGRAIN JACQUESF Tax Payment575
May 22, 2026Karlin Bridget EF Tax Payment521
May 22, 2026FARLEY CLAIRE SF Tax Payment565
May 22, 2026CHASE ANTHONY RF Tax Payment540
May 22, 2026Dudley Robert W.F Tax Payment708
May 22, 2026Benet Lincoln EF Tax Payment1,410
May 22, 2026Manifold Albert JudeF Tax Payment689
May 21, 2026Griffin Rita EA Award2,321
May 21, 2026Karlin Bridget EA Award2,321
May 21, 2026KAMSKY VIRGINIA AA Award2,321
May 21, 2026CHASE ANTHONY RA Award2,321
May 21, 2026Benet Lincoln EA Award2,321
May 21, 2026FARLEY CLAIRE SA Award2,321
May 21, 2026AIGRAIN JACQUESA Award4,437
May 21, 2026Buchanan Robin W.T.A Award2,321
May 21, 2026Manifold Albert JudeA Award2,321
May 21, 2026Hanley Michael SeanA Award2,321
May 21, 2026Dudley Robert W.A Award2,321
May 13, 2026Kaplan Jeffrey AS Sale10,000
Apr 15, 2026Izquierdo Sabido AgustinF Tax Payment45
Apr 15, 2026Hayes Matthew DF Tax Payment40
Mar 31, 2026Karlin Bridget EA Award708
Mar 31, 2026Karlin Bridget EF Tax Payment111
Mar 31, 2026KAMSKY VIRGINIA AA Award646
Mar 31, 2026KAMSKY VIRGINIA AF Tax Payment142
Mar 9, 2026AI INVESTMENTS HOLDINGS LLCS Sale251
Mar 9, 2026AI INVESTMENTS HOLDINGS LLCS Sale414
Mar 9, 2026AI INVESTMENTS HOLDINGS LLCS Sale189,277
Mar 9, 2026AI INVESTMENTS HOLDINGS LLCS Sale114,592
Mar 9, 2026AI INVESTMENTS HOLDINGS LLCG Gift464,610
Mar 9, 2026AI INVESTMENTS HOLDINGS LLCS Sale80,679
Mar 9, 2026AI INVESTMENTS HOLDINGS LLCS Sale177
Feb 28, 2026Conley Trisha LA Award15,068
Feb 28, 2026Ledet Aaron JA Award17,247
Feb 28, 2026Izquierdo Sabido AgustinA Award20,158
Feb 28, 2026Hayes Matthew DA Award4,032
Feb 28, 2026Vanacker Peter Z. E.A Award98,549

The full Form 4 history is on the LYB company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.