SEC INSIDER TRANSACTIONS

LyondellBasell Industries N.V. (LYB) Insider Transactions

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LYB · LyondellBasell Industries N.V.

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OR within codes/roles; AND between categories. Roles apply to buyers and sellers. Owner predicates match the same owner. Missing values fail numeric/date filters. Value is quantity × reported price for non-derivative rows only; derivative values are unknown. Amendments stay separate; joint owners do not duplicate rows.

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Stale snapshot · Covered: filings 2026-10-15 to 2026-11-13 · 2 filings · fetched 2026-11-13T18:38:50Z

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Purchases and sales count original non-derivative P and S rows. Awards, gifts, exercises, derivatives and amendments are shown separately and are not described as market purchases.

Transaction / filed	Reporting owner(s)	Code / security	Quantity	Price as filed	Ownership	Source
2026-11-03Filed 2026-11-05	AI INVESTMENTS HOLDINGS LLCTen-percent ownerAccess Industries Holdings LLCTen-percent ownerACCESS INDUSTRIES, LLCTen-percent ownerACCESS INDUSTRIES MANAGEMENT, LLCTen-percent ownerBlavatnik LenTen-percent owner Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Reflects the distribution, on a pro rata basis for no consideration, by AI European Holdings L.P. ("AIEH") to its limited partners, Access Industries, LLC and Access Industries Holdings LLC, of 40,000 ordinary shares and 3,960,000 ordinary shares, respectively. F2 Reflects the contribution by Access Industries, LLC and Access Industries Holdings LLC of 40,000 ordinary shares and 3,960,000 ordinary shares, respectively, to their subsidiary Access Industries Core Holdings LLC (formerly AIPH Holdings LLC) ("AICH"). F3 Reflects the contribution by AIEH of ordinary shares to its indirect subsidiary, LYB Holdco LLC (formerly AI International Chemicals LLC) ("LYB Holdco"). F4 Reflects the donation by AICH of ordinary shares for no consideration to a charitable foundation. F5 Each of the reporting persons (other than the direct holder) disclaims beneficial ownership of these securities, except to the extent of its or his pecuniary interest therein, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities. F6 The securities reported were held directly by AIEH and may have been deemed to be indirectly beneficially owned by Access Industries Holdings LLC, Access Industries, LLC, Access Industries Management, LLC, and Len Blavatnik because Access Industries Holdings LLC, Access Industries, LLC and Access Industries Management, LLC control, or hold a majority of the outstanding voting interests in, entities that directly or indirectly control AIEH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC and Access Industries Holdings LLC and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F7 Of the 4,000,000 ordinary shares reported, 40,000 ordinary shares were held directly by Access Industries, LLC and 3,960,000 ordinary shares were held directly by Access Industries Holdings LLC. The 40,000 ordinary shares held directly by Access Industries, LLC may have been deemed to be beneficially owned by Access Industries Management, LLC and Len Blavatnik, because Access Industries Management, LLC is the controlling entity of Access Industries, LLC and Mr. Blavatnik is the controlling person of Access Industries Management, LLC and holder of a majority of the outstanding voting interests in Access Industries, LLC. F8 The 3,960,000 ordinary shares that were held directly by Access Industries Holdings LLC may have been deemed to be beneficially owned by Access Industries, LLC, Access Industries Management, LLC and Len Blavatnik, because Access Industries, LLC holds a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC and Access Industries Holdings LLC, and Len Blavatnik controls Access Industries Management, LLC and Access Industries, LLC. F9 The securities reported are held directly by AICH and may be deemed to be indirectly beneficially owned by Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because Access Industries Holdings LLC controls a majority of the outstanding voting interests in AICH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC and AICH and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F10 The securities reported are held directly by LYB Holdco and may be deemed to be indirectly beneficially owned by AI Investments Holdings LLC ("AIIH"), Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because AIIH holds a majority of the outstanding voting interests in LYB Holdco, Access Industries Holdings LLC controls a majority of the outstanding voting interests in AIIH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC, AIIH and LYB Holdco, and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F11 The securities reported are held directly by AIIH and may be deemed to be indirectly beneficially owned by Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because Access Industries Holdings LLC controls a majority of the outstanding voting interests in AIIH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC and AIIH, and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F12 The securities reported are held directly by AI Chemical Holdings LLC ("AI Chemical") and may be deemed to be indirectly beneficially owned by Access Industries Management, LLC, Access Industries Holdings LLC and Len Blavatnik because Mr. Blavatnik controls Access Industries Management, LLC, Access Industries Holdings LLC owns a majority of the outstanding voting interests in RSB 2 Limited which is the sole member of AI Chemical, and Access Industries Management, LLC controls AI Chemical and Access Industries Holdings LLC. F13 The securities reported are held directly by AILEB LLC (formerly AI Altep Investments LLC) ("AILEB") and may be deemed to be indirectly beneficially owned by Len Blavatnik because he controls AI Altep Holdings, Inc. and AI Altep Holdings, Inc. holds all of the outstanding voting interests in AILEB. References: F4, F5, F9	G GiftOrdinary shares · Non-derivative	1,000,000D	—	IndirectBy LLC	Form 4 ↗0001193125-26-450029
2026-11-03Filed 2026-11-05	AI INVESTMENTS HOLDINGS LLCTen-percent ownerAccess Industries Holdings LLCTen-percent ownerACCESS INDUSTRIES, LLCTen-percent ownerACCESS INDUSTRIES MANAGEMENT, LLCTen-percent ownerBlavatnik LenTen-percent owner Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Reflects the distribution, on a pro rata basis for no consideration, by AI European Holdings L.P. ("AIEH") to its limited partners, Access Industries, LLC and Access Industries Holdings LLC, of 40,000 ordinary shares and 3,960,000 ordinary shares, respectively. F2 Reflects the contribution by Access Industries, LLC and Access Industries Holdings LLC of 40,000 ordinary shares and 3,960,000 ordinary shares, respectively, to their subsidiary Access Industries Core Holdings LLC (formerly AIPH Holdings LLC) ("AICH"). F3 Reflects the contribution by AIEH of ordinary shares to its indirect subsidiary, LYB Holdco LLC (formerly AI International Chemicals LLC) ("LYB Holdco"). F4 Reflects the donation by AICH of ordinary shares for no consideration to a charitable foundation. F5 Each of the reporting persons (other than the direct holder) disclaims beneficial ownership of these securities, except to the extent of its or his pecuniary interest therein, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities. F6 The securities reported were held directly by AIEH and may have been deemed to be indirectly beneficially owned by Access Industries Holdings LLC, Access Industries, LLC, Access Industries Management, LLC, and Len Blavatnik because Access Industries Holdings LLC, Access Industries, LLC and Access Industries Management, LLC control, or hold a majority of the outstanding voting interests in, entities that directly or indirectly control AIEH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC and Access Industries Holdings LLC and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F7 Of the 4,000,000 ordinary shares reported, 40,000 ordinary shares were held directly by Access Industries, LLC and 3,960,000 ordinary shares were held directly by Access Industries Holdings LLC. The 40,000 ordinary shares held directly by Access Industries, LLC may have been deemed to be beneficially owned by Access Industries Management, LLC and Len Blavatnik, because Access Industries Management, LLC is the controlling entity of Access Industries, LLC and Mr. Blavatnik is the controlling person of Access Industries Management, LLC and holder of a majority of the outstanding voting interests in Access Industries, LLC. F8 The 3,960,000 ordinary shares that were held directly by Access Industries Holdings LLC may have been deemed to be beneficially owned by Access Industries, LLC, Access Industries Management, LLC and Len Blavatnik, because Access Industries, LLC holds a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC and Access Industries Holdings LLC, and Len Blavatnik controls Access Industries Management, LLC and Access Industries, LLC. F9 The securities reported are held directly by AICH and may be deemed to be indirectly beneficially owned by Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because Access Industries Holdings LLC controls a majority of the outstanding voting interests in AICH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC and AICH and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F10 The securities reported are held directly by LYB Holdco and may be deemed to be indirectly beneficially owned by AI Investments Holdings LLC ("AIIH"), Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because AIIH holds a majority of the outstanding voting interests in LYB Holdco, Access Industries Holdings LLC controls a majority of the outstanding voting interests in AIIH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC, AIIH and LYB Holdco, and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F11 The securities reported are held directly by AIIH and may be deemed to be indirectly beneficially owned by Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because Access Industries Holdings LLC controls a majority of the outstanding voting interests in AIIH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC and AIIH, and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F12 The securities reported are held directly by AI Chemical Holdings LLC ("AI Chemical") and may be deemed to be indirectly beneficially owned by Access Industries Management, LLC, Access Industries Holdings LLC and Len Blavatnik because Mr. Blavatnik controls Access Industries Management, LLC, Access Industries Holdings LLC owns a majority of the outstanding voting interests in RSB 2 Limited which is the sole member of AI Chemical, and Access Industries Management, LLC controls AI Chemical and Access Industries Holdings LLC. F13 The securities reported are held directly by AILEB LLC (formerly AI Altep Investments LLC) ("AILEB") and may be deemed to be indirectly beneficially owned by Len Blavatnik because he controls AI Altep Holdings, Inc. and AI Altep Holdings, Inc. holds all of the outstanding voting interests in AILEB. References: F3, F5, F10	J Other reported codeOrdinary shares · Non-derivative	12,000,000A	—	IndirectBy LLC	Form 4 ↗0001193125-26-450029
2026-11-03Filed 2026-11-05	AI INVESTMENTS HOLDINGS LLCTen-percent ownerAccess Industries Holdings LLCTen-percent ownerACCESS INDUSTRIES, LLCTen-percent ownerACCESS INDUSTRIES MANAGEMENT, LLCTen-percent ownerBlavatnik LenTen-percent owner Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Reflects the distribution, on a pro rata basis for no consideration, by AI European Holdings L.P. ("AIEH") to its limited partners, Access Industries, LLC and Access Industries Holdings LLC, of 40,000 ordinary shares and 3,960,000 ordinary shares, respectively. F2 Reflects the contribution by Access Industries, LLC and Access Industries Holdings LLC of 40,000 ordinary shares and 3,960,000 ordinary shares, respectively, to their subsidiary Access Industries Core Holdings LLC (formerly AIPH Holdings LLC) ("AICH"). F3 Reflects the contribution by AIEH of ordinary shares to its indirect subsidiary, LYB Holdco LLC (formerly AI International Chemicals LLC) ("LYB Holdco"). F4 Reflects the donation by AICH of ordinary shares for no consideration to a charitable foundation. F5 Each of the reporting persons (other than the direct holder) disclaims beneficial ownership of these securities, except to the extent of its or his pecuniary interest therein, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities. F6 The securities reported were held directly by AIEH and may have been deemed to be indirectly beneficially owned by Access Industries Holdings LLC, Access Industries, LLC, Access Industries Management, LLC, and Len Blavatnik because Access Industries Holdings LLC, Access Industries, LLC and Access Industries Management, LLC control, or hold a majority of the outstanding voting interests in, entities that directly or indirectly control AIEH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC and Access Industries Holdings LLC and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F7 Of the 4,000,000 ordinary shares reported, 40,000 ordinary shares were held directly by Access Industries, LLC and 3,960,000 ordinary shares were held directly by Access Industries Holdings LLC. The 40,000 ordinary shares held directly by Access Industries, LLC may have been deemed to be beneficially owned by Access Industries Management, LLC and Len Blavatnik, because Access Industries Management, LLC is the controlling entity of Access Industries, LLC and Mr. Blavatnik is the controlling person of Access Industries Management, LLC and holder of a majority of the outstanding voting interests in Access Industries, LLC. F8 The 3,960,000 ordinary shares that were held directly by Access Industries Holdings LLC may have been deemed to be beneficially owned by Access Industries, LLC, Access Industries Management, LLC and Len Blavatnik, because Access Industries, LLC holds a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC and Access Industries Holdings LLC, and Len Blavatnik controls Access Industries Management, LLC and Access Industries, LLC. F9 The securities reported are held directly by AICH and may be deemed to be indirectly beneficially owned by Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because Access Industries Holdings LLC controls a majority of the outstanding voting interests in AICH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC and AICH and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F10 The securities reported are held directly by LYB Holdco and may be deemed to be indirectly beneficially owned by AI Investments Holdings LLC ("AIIH"), Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because AIIH holds a majority of the outstanding voting interests in LYB Holdco, Access Industries Holdings LLC controls a majority of the outstanding voting interests in AIIH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC, AIIH and LYB Holdco, and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F11 The securities reported are held directly by AIIH and may be deemed to be indirectly beneficially owned by Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because Access Industries Holdings LLC controls a majority of the outstanding voting interests in AIIH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC and AIIH, and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F12 The securities reported are held directly by AI Chemical Holdings LLC ("AI Chemical") and may be deemed to be indirectly beneficially owned by Access Industries Management, LLC, Access Industries Holdings LLC and Len Blavatnik because Mr. Blavatnik controls Access Industries Management, LLC, Access Industries Holdings LLC owns a majority of the outstanding voting interests in RSB 2 Limited which is the sole member of AI Chemical, and Access Industries Management, LLC controls AI Chemical and Access Industries Holdings LLC. F13 The securities reported are held directly by AILEB LLC (formerly AI Altep Investments LLC) ("AILEB") and may be deemed to be indirectly beneficially owned by Len Blavatnik because he controls AI Altep Holdings, Inc. and AI Altep Holdings, Inc. holds all of the outstanding voting interests in AILEB. References: F3, F5, F6	J Other reported codeOrdinary shares · Non-derivative	12,000,000D	—	IndirectBy partnership	Form 4 ↗0001193125-26-450029
2026-11-03Filed 2026-11-05	AI INVESTMENTS HOLDINGS LLCTen-percent ownerAccess Industries Holdings LLCTen-percent ownerACCESS INDUSTRIES, LLCTen-percent ownerACCESS INDUSTRIES MANAGEMENT, LLCTen-percent ownerBlavatnik LenTen-percent owner Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Reflects the distribution, on a pro rata basis for no consideration, by AI European Holdings L.P. ("AIEH") to its limited partners, Access Industries, LLC and Access Industries Holdings LLC, of 40,000 ordinary shares and 3,960,000 ordinary shares, respectively. F2 Reflects the contribution by Access Industries, LLC and Access Industries Holdings LLC of 40,000 ordinary shares and 3,960,000 ordinary shares, respectively, to their subsidiary Access Industries Core Holdings LLC (formerly AIPH Holdings LLC) ("AICH"). F3 Reflects the contribution by AIEH of ordinary shares to its indirect subsidiary, LYB Holdco LLC (formerly AI International Chemicals LLC) ("LYB Holdco"). F4 Reflects the donation by AICH of ordinary shares for no consideration to a charitable foundation. F5 Each of the reporting persons (other than the direct holder) disclaims beneficial ownership of these securities, except to the extent of its or his pecuniary interest therein, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities. F6 The securities reported were held directly by AIEH and may have been deemed to be indirectly beneficially owned by Access Industries Holdings LLC, Access Industries, LLC, Access Industries Management, LLC, and Len Blavatnik because Access Industries Holdings LLC, Access Industries, LLC and Access Industries Management, LLC control, or hold a majority of the outstanding voting interests in, entities that directly or indirectly control AIEH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC and Access Industries Holdings LLC and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F7 Of the 4,000,000 ordinary shares reported, 40,000 ordinary shares were held directly by Access Industries, LLC and 3,960,000 ordinary shares were held directly by Access Industries Holdings LLC. The 40,000 ordinary shares held directly by Access Industries, LLC may have been deemed to be beneficially owned by Access Industries Management, LLC and Len Blavatnik, because Access Industries Management, LLC is the controlling entity of Access Industries, LLC and Mr. Blavatnik is the controlling person of Access Industries Management, LLC and holder of a majority of the outstanding voting interests in Access Industries, LLC. F8 The 3,960,000 ordinary shares that were held directly by Access Industries Holdings LLC may have been deemed to be beneficially owned by Access Industries, LLC, Access Industries Management, LLC and Len Blavatnik, because Access Industries, LLC holds a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC and Access Industries Holdings LLC, and Len Blavatnik controls Access Industries Management, LLC and Access Industries, LLC. F9 The securities reported are held directly by AICH and may be deemed to be indirectly beneficially owned by Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because Access Industries Holdings LLC controls a majority of the outstanding voting interests in AICH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC and AICH and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F10 The securities reported are held directly by LYB Holdco and may be deemed to be indirectly beneficially owned by AI Investments Holdings LLC ("AIIH"), Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because AIIH holds a majority of the outstanding voting interests in LYB Holdco, Access Industries Holdings LLC controls a majority of the outstanding voting interests in AIIH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC, AIIH and LYB Holdco, and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F11 The securities reported are held directly by AIIH and may be deemed to be indirectly beneficially owned by Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because Access Industries Holdings LLC controls a majority of the outstanding voting interests in AIIH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC and AIIH, and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F12 The securities reported are held directly by AI Chemical Holdings LLC ("AI Chemical") and may be deemed to be indirectly beneficially owned by Access Industries Management, LLC, Access Industries Holdings LLC and Len Blavatnik because Mr. Blavatnik controls Access Industries Management, LLC, Access Industries Holdings LLC owns a majority of the outstanding voting interests in RSB 2 Limited which is the sole member of AI Chemical, and Access Industries Management, LLC controls AI Chemical and Access Industries Holdings LLC. F13 The securities reported are held directly by AILEB LLC (formerly AI Altep Investments LLC) ("AILEB") and may be deemed to be indirectly beneficially owned by Len Blavatnik because he controls AI Altep Holdings, Inc. and AI Altep Holdings, Inc. holds all of the outstanding voting interests in AILEB. References: F2, F5, F9	J Other reported codeOrdinary shares · Non-derivative	4,000,000A	—	IndirectBy LLC	Form 4 ↗0001193125-26-450029
2026-11-03Filed 2026-11-05	AI INVESTMENTS HOLDINGS LLCTen-percent ownerAccess Industries Holdings LLCTen-percent ownerACCESS INDUSTRIES, LLCTen-percent ownerACCESS INDUSTRIES MANAGEMENT, LLCTen-percent ownerBlavatnik LenTen-percent owner Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Reflects the distribution, on a pro rata basis for no consideration, by AI European Holdings L.P. ("AIEH") to its limited partners, Access Industries, LLC and Access Industries Holdings LLC, of 40,000 ordinary shares and 3,960,000 ordinary shares, respectively. F2 Reflects the contribution by Access Industries, LLC and Access Industries Holdings LLC of 40,000 ordinary shares and 3,960,000 ordinary shares, respectively, to their subsidiary Access Industries Core Holdings LLC (formerly AIPH Holdings LLC) ("AICH"). F3 Reflects the contribution by AIEH of ordinary shares to its indirect subsidiary, LYB Holdco LLC (formerly AI International Chemicals LLC) ("LYB Holdco"). F4 Reflects the donation by AICH of ordinary shares for no consideration to a charitable foundation. F5 Each of the reporting persons (other than the direct holder) disclaims beneficial ownership of these securities, except to the extent of its or his pecuniary interest therein, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities. F6 The securities reported were held directly by AIEH and may have been deemed to be indirectly beneficially owned by Access Industries Holdings LLC, Access Industries, LLC, Access Industries Management, LLC, and Len Blavatnik because Access Industries Holdings LLC, Access Industries, LLC and Access Industries Management, LLC control, or hold a majority of the outstanding voting interests in, entities that directly or indirectly control AIEH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC and Access Industries Holdings LLC and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F7 Of the 4,000,000 ordinary shares reported, 40,000 ordinary shares were held directly by Access Industries, LLC and 3,960,000 ordinary shares were held directly by Access Industries Holdings LLC. The 40,000 ordinary shares held directly by Access Industries, LLC may have been deemed to be beneficially owned by Access Industries Management, LLC and Len Blavatnik, because Access Industries Management, LLC is the controlling entity of Access Industries, LLC and Mr. Blavatnik is the controlling person of Access Industries Management, LLC and holder of a majority of the outstanding voting interests in Access Industries, LLC. F8 The 3,960,000 ordinary shares that were held directly by Access Industries Holdings LLC may have been deemed to be beneficially owned by Access Industries, LLC, Access Industries Management, LLC and Len Blavatnik, because Access Industries, LLC holds a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC and Access Industries Holdings LLC, and Len Blavatnik controls Access Industries Management, LLC and Access Industries, LLC. F9 The securities reported are held directly by AICH and may be deemed to be indirectly beneficially owned by Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because Access Industries Holdings LLC controls a majority of the outstanding voting interests in AICH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC and AICH and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F10 The securities reported are held directly by LYB Holdco and may be deemed to be indirectly beneficially owned by AI Investments Holdings LLC ("AIIH"), Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because AIIH holds a majority of the outstanding voting interests in LYB Holdco, Access Industries Holdings LLC controls a majority of the outstanding voting interests in AIIH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC, AIIH and LYB Holdco, and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F11 The securities reported are held directly by AIIH and may be deemed to be indirectly beneficially owned by Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because Access Industries Holdings LLC controls a majority of the outstanding voting interests in AIIH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC and AIIH, and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F12 The securities reported are held directly by AI Chemical Holdings LLC ("AI Chemical") and may be deemed to be indirectly beneficially owned by Access Industries Management, LLC, Access Industries Holdings LLC and Len Blavatnik because Mr. Blavatnik controls Access Industries Management, LLC, Access Industries Holdings LLC owns a majority of the outstanding voting interests in RSB 2 Limited which is the sole member of AI Chemical, and Access Industries Management, LLC controls AI Chemical and Access Industries Holdings LLC. F13 The securities reported are held directly by AILEB LLC (formerly AI Altep Investments LLC) ("AILEB") and may be deemed to be indirectly beneficially owned by Len Blavatnik because he controls AI Altep Holdings, Inc. and AI Altep Holdings, Inc. holds all of the outstanding voting interests in AILEB. References: F2, F7, F8	J Other reported codeOrdinary shares · Non-derivative	4,000,000D	—	IndirectBy LLCs	Form 4 ↗0001193125-26-450029
2026-11-03Filed 2026-11-05	AI INVESTMENTS HOLDINGS LLCTen-percent ownerAccess Industries Holdings LLCTen-percent ownerACCESS INDUSTRIES, LLCTen-percent ownerACCESS INDUSTRIES MANAGEMENT, LLCTen-percent ownerBlavatnik LenTen-percent owner Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Reflects the distribution, on a pro rata basis for no consideration, by AI European Holdings L.P. ("AIEH") to its limited partners, Access Industries, LLC and Access Industries Holdings LLC, of 40,000 ordinary shares and 3,960,000 ordinary shares, respectively. F2 Reflects the contribution by Access Industries, LLC and Access Industries Holdings LLC of 40,000 ordinary shares and 3,960,000 ordinary shares, respectively, to their subsidiary Access Industries Core Holdings LLC (formerly AIPH Holdings LLC) ("AICH"). F3 Reflects the contribution by AIEH of ordinary shares to its indirect subsidiary, LYB Holdco LLC (formerly AI International Chemicals LLC) ("LYB Holdco"). F4 Reflects the donation by AICH of ordinary shares for no consideration to a charitable foundation. F5 Each of the reporting persons (other than the direct holder) disclaims beneficial ownership of these securities, except to the extent of its or his pecuniary interest therein, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities. F6 The securities reported were held directly by AIEH and may have been deemed to be indirectly beneficially owned by Access Industries Holdings LLC, Access Industries, LLC, Access Industries Management, LLC, and Len Blavatnik because Access Industries Holdings LLC, Access Industries, LLC and Access Industries Management, LLC control, or hold a majority of the outstanding voting interests in, entities that directly or indirectly control AIEH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC and Access Industries Holdings LLC and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F7 Of the 4,000,000 ordinary shares reported, 40,000 ordinary shares were held directly by Access Industries, LLC and 3,960,000 ordinary shares were held directly by Access Industries Holdings LLC. The 40,000 ordinary shares held directly by Access Industries, LLC may have been deemed to be beneficially owned by Access Industries Management, LLC and Len Blavatnik, because Access Industries Management, LLC is the controlling entity of Access Industries, LLC and Mr. Blavatnik is the controlling person of Access Industries Management, LLC and holder of a majority of the outstanding voting interests in Access Industries, LLC. F8 The 3,960,000 ordinary shares that were held directly by Access Industries Holdings LLC may have been deemed to be beneficially owned by Access Industries, LLC, Access Industries Management, LLC and Len Blavatnik, because Access Industries, LLC holds a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC and Access Industries Holdings LLC, and Len Blavatnik controls Access Industries Management, LLC and Access Industries, LLC. F9 The securities reported are held directly by AICH and may be deemed to be indirectly beneficially owned by Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because Access Industries Holdings LLC controls a majority of the outstanding voting interests in AICH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC and AICH and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F10 The securities reported are held directly by LYB Holdco and may be deemed to be indirectly beneficially owned by AI Investments Holdings LLC ("AIIH"), Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because AIIH holds a majority of the outstanding voting interests in LYB Holdco, Access Industries Holdings LLC controls a majority of the outstanding voting interests in AIIH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC, AIIH and LYB Holdco, and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F11 The securities reported are held directly by AIIH and may be deemed to be indirectly beneficially owned by Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because Access Industries Holdings LLC controls a majority of the outstanding voting interests in AIIH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC and AIIH, and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F12 The securities reported are held directly by AI Chemical Holdings LLC ("AI Chemical") and may be deemed to be indirectly beneficially owned by Access Industries Management, LLC, Access Industries Holdings LLC and Len Blavatnik because Mr. Blavatnik controls Access Industries Management, LLC, Access Industries Holdings LLC owns a majority of the outstanding voting interests in RSB 2 Limited which is the sole member of AI Chemical, and Access Industries Management, LLC controls AI Chemical and Access Industries Holdings LLC. F13 The securities reported are held directly by AILEB LLC (formerly AI Altep Investments LLC) ("AILEB") and may be deemed to be indirectly beneficially owned by Len Blavatnik because he controls AI Altep Holdings, Inc. and AI Altep Holdings, Inc. holds all of the outstanding voting interests in AILEB. References: F1, F7, F8	J Other reported codeOrdinary shares · Non-derivative	4,000,000A	—	IndirectBy LLCs	Form 4 ↗0001193125-26-450029
2026-11-03Filed 2026-11-05	AI INVESTMENTS HOLDINGS LLCTen-percent ownerAccess Industries Holdings LLCTen-percent ownerACCESS INDUSTRIES, LLCTen-percent ownerACCESS INDUSTRIES MANAGEMENT, LLCTen-percent ownerBlavatnik LenTen-percent owner Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Reflects the distribution, on a pro rata basis for no consideration, by AI European Holdings L.P. ("AIEH") to its limited partners, Access Industries, LLC and Access Industries Holdings LLC, of 40,000 ordinary shares and 3,960,000 ordinary shares, respectively. F2 Reflects the contribution by Access Industries, LLC and Access Industries Holdings LLC of 40,000 ordinary shares and 3,960,000 ordinary shares, respectively, to their subsidiary Access Industries Core Holdings LLC (formerly AIPH Holdings LLC) ("AICH"). F3 Reflects the contribution by AIEH of ordinary shares to its indirect subsidiary, LYB Holdco LLC (formerly AI International Chemicals LLC) ("LYB Holdco"). F4 Reflects the donation by AICH of ordinary shares for no consideration to a charitable foundation. F5 Each of the reporting persons (other than the direct holder) disclaims beneficial ownership of these securities, except to the extent of its or his pecuniary interest therein, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities. F6 The securities reported were held directly by AIEH and may have been deemed to be indirectly beneficially owned by Access Industries Holdings LLC, Access Industries, LLC, Access Industries Management, LLC, and Len Blavatnik because Access Industries Holdings LLC, Access Industries, LLC and Access Industries Management, LLC control, or hold a majority of the outstanding voting interests in, entities that directly or indirectly control AIEH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC and Access Industries Holdings LLC and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F7 Of the 4,000,000 ordinary shares reported, 40,000 ordinary shares were held directly by Access Industries, LLC and 3,960,000 ordinary shares were held directly by Access Industries Holdings LLC. The 40,000 ordinary shares held directly by Access Industries, LLC may have been deemed to be beneficially owned by Access Industries Management, LLC and Len Blavatnik, because Access Industries Management, LLC is the controlling entity of Access Industries, LLC and Mr. Blavatnik is the controlling person of Access Industries Management, LLC and holder of a majority of the outstanding voting interests in Access Industries, LLC. F8 The 3,960,000 ordinary shares that were held directly by Access Industries Holdings LLC may have been deemed to be beneficially owned by Access Industries, LLC, Access Industries Management, LLC and Len Blavatnik, because Access Industries, LLC holds a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC and Access Industries Holdings LLC, and Len Blavatnik controls Access Industries Management, LLC and Access Industries, LLC. F9 The securities reported are held directly by AICH and may be deemed to be indirectly beneficially owned by Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because Access Industries Holdings LLC controls a majority of the outstanding voting interests in AICH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC and AICH and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F10 The securities reported are held directly by LYB Holdco and may be deemed to be indirectly beneficially owned by AI Investments Holdings LLC ("AIIH"), Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because AIIH holds a majority of the outstanding voting interests in LYB Holdco, Access Industries Holdings LLC controls a majority of the outstanding voting interests in AIIH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC, AIIH and LYB Holdco, and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F11 The securities reported are held directly by AIIH and may be deemed to be indirectly beneficially owned by Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because Access Industries Holdings LLC controls a majority of the outstanding voting interests in AIIH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC and AIIH, and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. F12 The securities reported are held directly by AI Chemical Holdings LLC ("AI Chemical") and may be deemed to be indirectly beneficially owned by Access Industries Management, LLC, Access Industries Holdings LLC and Len Blavatnik because Mr. Blavatnik controls Access Industries Management, LLC, Access Industries Holdings LLC owns a majority of the outstanding voting interests in RSB 2 Limited which is the sole member of AI Chemical, and Access Industries Management, LLC controls AI Chemical and Access Industries Holdings LLC. F13 The securities reported are held directly by AILEB LLC (formerly AI Altep Investments LLC) ("AILEB") and may be deemed to be indirectly beneficially owned by Len Blavatnik because he controls AI Altep Holdings, Inc. and AI Altep Holdings, Inc. holds all of the outstanding voting interests in AILEB. References: F1, F5, F6	J Other reported codeOrdinary shares · Non-derivative	4,000,000D	—	IndirectBy partnership	Form 4 ↗0001193125-26-450029
2026-10-15Filed 2026-10-16	Hayes Matthew DOfficer · SVP & CAO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 On October 15, 2026 the reporting person's restricted stock units automatically vested 623 shares. 152 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. F2 Includes 5,205 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 237 granted on February 22, 2024 that vest on February 22, 2027; 305 granted on February 27, 2025 that vest on February 27, 2027; 305 granted on February 27, 2025 that vest on February 27, 2028; 163 granted on April 15, 2025 that vest on April 15, 2027; 163 granted on April 15, 2025 that vest on April 15, 2028; 1,344 granted on February 28, 2026 that vest on February 28, 2027, 1,344 granted on February 28, 2026 that vest on February 28, 2028 and 1,344 granted on February 28, 2026 that vest on February 28, 2029. F3 ESPP purchase of 151.703071 shares for $47.385 per share were allocated on June 30, 2026. References: F1, F2, F3	F WithholdingClass A Ordinary Shares · Non-derivative	152D	62.67	Direct	Form 4 ↗0002062500-26-000010

Imported instruments only. Joint owners do not multiply transactions. Amendments are separate filing rows, not additional trades. No aggregate trade totals are implied.