| Royal Bank Of Scotland Group PLC10% owner · 4 transactions | — | 204.70M†as of Jul 2011 | — | — | 5.03M |
| Access Industries Inc +9 co-filers10% owner, Member of group with 10% owner · 7 transactions | — | 169.51M†as of Feb 2012 | — | — | 10.00M |
| AIF VII Management, LLC +5 co-filers10% owner · 1 transaction | — | 164.90M†as of Dec 2010 | — | — | — |
| ACOF Operating Manager III LLC +3 co-filersDirector · 11 transactions | — | 158.37M†as of May 2011 | — | — | 18.73M |
| AIF VII Management, LLC +9 co-filers10% owner · 1 transaction | — | 153.63Mas of Sep 2012 | — | — | 17.50M |
| AIF VII Management, LLC +8 co-filers10% owner · 2 transactions | — | 133.69Mas of Nov 2012 | — | — | 20.00M |
| Access Industries Inc +8 co-filers10% owner · 3 transactions | — | 90.44M†as of Feb 2011 | — | 208.3K | 208.3K |
| Access Industries Inc +7 co-filers10% owner · 2 transactions | — | 88.65M†as of Aug 2013 | — | 8.50M | — |
| Ai International Chemicals S.A.R.L. +3 co-filers10% owner · 3 transactions | — | 79.96M†as of Dec 2012 | — | — | — |
| Ai Investments Holdings LLC +5 co-filers10% owner · 1 transaction | — | 77.14M†as of Feb 2017 | — | 1 | — |
| Ai International Chemicals S.A.R.L. +2 co-filers10% owner · 2 transactions | — | 72.37M†as of Dec 2014 | — | — | — |
| AI New Holdings 2 LLC +7 co-filers10% owner, Affiliate of 10% Owner · 44 transactions | — | 56.57M†as of Mar 2017 | — | — | 4.60M |
| AIF VII Management, LLC +9 co-filers10% owner · 21 transactions | — | 45.73M†as of Aug 2013 | — | 6.23M | 88.00M |
| Ai International Chemicals S.A.R.L. +9 co-filers10% owner · 34 transactions | — | 36.26M†as of Mar 2016 | — | — | 6.10M |
| Access Industries Inc +9 co-filersAffiliate of 10% owner, 10% owner · 20 transactions | — | 36.18M†as of Jun 2015 | — | — | 4.00M |
| Ai Investments Holdings LLC +4 co-filers10% owner · 172 transactions | — | 23.01M† | — | 5.87M | 10.33M |
| AI Petroleum Holdings LLC10% owner · 1 transaction | — | 16.00Mas of Dec 2012 | — | — | — |
| AIPH Holdings LLCAffiliate of 10% Owner · 3 transactions | — | 3.52M†as of Nov 2017 | — | — | — |
| Gallogly James LChief Executive Officer · 61 transactions | — | 1.10Mas of Jan 2015 | 2.28M | — | 2.00M |
| Patel Bhavesh V.Chief Executive Officer, Director · 61 transactions | — | 393.9K†as of Jan 2022 | 595.2K | 19.2K | 177.0K |
| Glidden Craig B.EVP & Chief Legal Officer · 25 transactions | — | 261.0Kas of Feb 2015 | 366.6K | — | 317.7K |
| Vanacker Peter Z. E.Chief Executive Officer, Director · 22 transactions | — | 248.6K | 339.7K | — | 20.0K |
| Brown Kevin W.EVP - Manufacturing & Refining · 20 transactions | — | 149.9Kas of Feb 2017 | 276.2K | — | 124.4K |
| Rhenman TorkelEVP, Adv Polymer Solutions · 41 transactions | — | 116.8K | 150.2K | 500 | — |
| McMurray Michael C.EVP & CFO · 30 transactions | — | 113.1Kas of Feb 2025 | 203.7K | — | 50.8K |
| Singh ParamjitSVP Manufacturing - EAI · 2 transactions | — | 107.5Kas of May 2012 | 50.6K | — | — |
| Lane Kenneth ToddEVP, Olefins and Polyolefins · 39 transactions | — | 98.9Kas of Feb 2024 | 203.3K | — | 38.7K |
| Kaplan Jeffrey AEVP, Chief PC, Leg & Corp Ofc · 72 transactions | — | 96.7K | 223.2K | — | 50.9K |
| Swindler Karen M.SVP Manufacturing - Americas · 4 transactions | — | 91.0Kas of Apr 2014 | 5.1K | — | — |
| Foley Kimberly AEVP, Global O&P and Refining · 67 transactions | — | 90.3K | 90.8K | 7.1K | 2.3K |
| Altep 2010 L.P. +1 co-filerAffiliate of 10% Owner · 2 transactions | — | 74.8Kas of Dec 2017 | — | — | — |
| Cooper Stephen ForbesDirector · 41 transactions | — | 74.0K†as of Jun 2022 | 32.3K | — | — |
| Roberts Timothy D.EVP, Global O&P · 29 transactions | — | 71.7Kas of Jan 2016 | 121.0K | — | 17.0K |
| Johnson Wendy M.Chief Accounting Officer · 8 transactions | — | 70.0Kas of Apr 2013 | 33.8K | — | — |
| Friedrichs Dale DEVP, Ops Excellence, HSE · 52 transactions | — | 63.4K | 81.5K | — | 5.0K |
| Ovelmen Karyn F.EVP & CFO · 27 transactions | — | 51.9Kas of May 2015 | 161.1K | — | 141.0K |
| Seward James MalcolmEVP & Chief Innovation Officer · 77 transactions | — | 45.7K | 78.8K | — | 4.0K |
| Coombs Daniel MEVP - Global Manuf, Proj & Ref · 28 transactions | — | 40.4Kas of Jul 2020 | 44.4K | 5.0K | — |
| Guilfoyle James DSVP, O&P (EAMEI) · 54 transactions | — | 38.5Kas of Feb 2024 | 84.6K | 330 | 3.5K |
| Aebischer ThomasEVP & CFO · 17 transactions | — | 38.0Kas of Dec 2019 | 47.3K | — | — |
| Aigrain JacquesDirector · 31 transactions | — | 37.5K | 51.2K | — | — |
| Oyolu Chukwuemeka A.SVP, CAO · 23 transactions | — | 37.5Kas of Feb 2025 | 53.3K | — | 7.1K |
| Svelto FrancescoVice President and Treasurer · 6 transactions | — | 34.3Kas of May 2013 | 41.3K | — | 39.8K |
| Conley Trisha LEVP, People and Culture · 12 transactions | — | 33.8K | 37.3K | — | — |
| Izquierdo Sabido AgustinEVP & Chief Financial Officer · 11 transactions | — | 33.5K | 20.4K | — | — |
| Ledet Aaron JEVP, I&D & Supply Chain · 27 transactions | — | 31.7K | 31.2K | — | — |
| Smith Bruce ADirector · 38 transactions | — | 31.5Kas of May 2019 | 23.1K | 5.0K | — |
| Dicciani Nance KDirector · 69 transactions | — | 30.9Kas of May 2023 | 31.4K | 36.61 | — |
| Farley Claire SDirector · 42 transactions | — | 26.3K | 30.2K | — | — |
| Campbell Tracey DEVP, Sustainability & Corp Aff · 33 transactions | — | 25.2K† | 17.7K | — | — |
| Wolf Jacquelyn HSVP, Human Resources · 27 transactions | — | 25.2Kas of Feb 2017 | 45.5K | — | 18.2K |
| van der Laan YvonneEVP, Circular & Low Carbon Sol · 39 transactions | — | 24.7K | 27.9K | — | — |
| Hanley Michael SeanDirector · 22 transactions | — | 23.9K | 18.2K | 7.3K | — |
| Buchanan Robin W.T.Director · 75 transactions | — | 22.2K | 38.7K | 34.0K | 43.1K |
| Gwin Robert GDirector · 19 transactions | — | 21.5Kas of Nov 2018 | 25.5K | — | — |
| Covezzi MassimoSVP Research & Development · 35 transactions | — | 21.4Kas of Nov 2019 | 169.3K | — | 198.8K |
| Schlanger Marvin ODirector · 8 transactions | — | 21.0K†as of May 2013 | 10.1K | 4.0K | 20 |
| van der Meer RudyDirector · 18 transactions | — | 17.5Kas of May 2020 | 19.8K | — | 2.8K |
| VanDerSnick Michael DSVP, HSE · 31 transactions | — | 16.7Kas of Feb 2017 | 23.4K | — | 17.5K |
| Bindra Jagjeet S.Director · 34 transactions | — | 16.0K†as of May 2023 | 25.5K | 11.2K | 17.6K |
| Manifold Albert JudeDirector · 14 transactions | — | 14.9K | 16.8K | — | — |
| Augustowski Paul ASVP, O&P - Americas · 14 transactions | — | 13.8Kas of Sep 2019 | 5.1K | — | — |
| Chase Anthony RDirector · 32 transactions | — | 13.6K | 15.2K | 38 | 36 |
| Benet Lincoln EDirector · 23 transactions | — | 13.4K | 24.0K | — | — |
| Goren Isabella DDirector · 13 transactions | — | 13.3Kas of May 2020 | 14.5K | — | — |
| Quarles Patrick D.EVP - I&D, Supply Chain & Proc · 15 transactions | — | 12.3Kas of May 2015 | 186.6K | — | 239.7K |
| Harris JoshuaDirector · 2 transactions | — | 11.8Kas of May 2012 | 6.2K | — | — |
| Roudeix RichardSVP, O&P - EAI · 28 transactions | — | 10.3Kas of Feb 2020 | 8.0K | — | — |
| Sharma AnupSVP, Global Business Services · 15 transactions | — | 9.8Kas of Dec 2022 | 12.1K | — | 1.7K |
| Kamsky Virginia ADirector · 14 transactions | — | 9.8K | 11.6K | — | — |
| Dudley Robert W.Director · 11 transactions | — | 9.8K | 11.9K | — | — |
| Wessels Stephen RVice President - Tax · 3 transactions | — | 9.6Kas of Apr 2015 | 457 | — | — |
| Hayes Matthew DSVP & CAO · 11 transactions | — | 9.0K | 4.8K | — | — |
| Serota JeffreyDirector · 1 transaction | — | 8.4Kas of May 2011 | 2.9K | — | — |
| Allen William B JrVP Finance · 6 transactions | — | 8.4Kas of Feb 2016 | 5.0K | 400 | — |
| Smolik Samuel L.SVP, Am Mfg & Refining Ops · 12 transactions | — | 7.5Kas of Jun 2015 | 48.6K | — | 64.1K |
| Griffin Rita EDirector · 7 transactions | — | 7.4K | 8.8K | — | — |
| Karlin Bridget EDirector · 7 transactions | — | 6.7K | 7.6K | — | — |
| Smiley Jacinth CChief Accounting Officer · 14 transactions | — | 6.4Kas of Apr 2021 | 7.6K | — | — |
| Caron Darleen MarieEVP & Chief HR Officer · 2 transactions | — | 4.8Kas of Feb 2019 | 4.8K | — | — |
| Vasnetsov SergeySVP Strategic Planning · 18 transactions | — | 4.7Kas of Apr 2016 | 115.4K | — | 145.9K |
| Gadbois JeanSVP, Manufacturing EAI · 1 transaction | — | 4.7Kas of Jun 2015 | 103 | — | — |
| Carroll MiltonDirector · 17 transactions | — | 3.9Kas of May 2016 | 14.0K | — | 14.4K |
| Doktycz Stephen JSVP, SP&T · 11 transactions | — | 3.6Kas of Mar 2019 | 5.4K | — | — |
| Somma Lawrence CVice President and Treasurer · 6 transactions | — | 3.5Kas of Sep 2015 | 3.1K | 31 | — |
| Kleinman ScottDirector · 5 transactions | — | 2.1Kas of Oct 2013 | 8.3K | — | — |
| Potter Clifford KentEVP & Chief Financial Officer · 1 transaction | — | 2.0Kas of Jun 2011 | — | 2.0K | — |
| Sumruld Michael WVP & Chief Accounting Officer · 1 transaction | — | 945as of Feb 2017 | 945 | — | — |
| de Vries AntonSVP O & P - EAI, Asia, Int'l · 1 transaction | — | 0as of Nov 2010 | — | — | — |