| Gendell Jeffrey L Et Al +7 co-filers10% owner · 40 transactions | — | 18.44M†as of Dec 2010 | — | — | 1.82M |
| Gendell Jeffrey L Et Al +4 co-filers10% owner · 9 transactions | — | 10.43M†as of Jun 2011 | — | — | 645.0K |
| Gendell Jeffrey L Et Al10% owner · 11 transactions | — | 9.58M†as of Oct 2008 | — | 588.2K | 23.3K |
| Gendell Jeffrey L Et Al +5 co-filers10% owner · 2 transactions | — | 3.01Mas of Feb 2011 | — | — | — |
| Tontine Capital Partners L P10% owner · 10 transactions | — | 2.11Mas of Feb 2006 | — | 213.6K | — |
| Hale Charles MDirector · 8 transactions | — | 289.8K†as of Sep 2007 | 8.0K | — | 12.5K |
| Hale Martin DemoraDirector · 27 transactions | — | 261.0K†as of Dec 2015 | 32.0K | — | 18.9K |
| Williams PatrickPRESIDENT & CEO · 170 transactions | — | 231.5K | 590.2K | 30.5K | 356.9K |
| Hale Martin M SrDirector · 1 transaction | — | 109.1K†as of Jul 2007 | — | — | — |
| Aldous HughDirector · 33 transactions | — | 65.1K†as of Jan 2020 | 23.0K | 10.0K | 5.4K |
| McRobbie Ian MalcolmSenior VP R&T · 57 transactions | — | 36.7Kas of Feb 2023 | 109.6K | 8.8K | 79.1K |
| Watt BrianVP, Strat Plan & Regulatory · 106 transactions | — | 25.1Kas of May 2021 | 90.9K | 5.7K | 35.8K |
| Boon Philip JohnExecutive VP Business Ops · 109 transactions | — | 23.8Kas of Feb 2025 | 133.1K | 3.8K | 73.5K |
| Cleminson IanEVP & CFO · 121 transactions | — | 21.6K | 114.4K | 8.6K | 106.2K |
| Bew Robert Ernestex Director · 23 transactions | — | 17.9Kas of Aug 2012 | 77.0K | 6.3K | 58.8K |
| Hessner CatherineSenior VP - Human Resources · 115 transactions | — | 15.2Kas of May 2021 | 92.8K | 4.3K | 67.1K |
| Jones David B.SVP, GC & CCO · 33 transactions | — | 14.7K | 24.1K | 1.2K | 6.6K |
| Williams David EarlGC & Chief Compliance Officer · 34 transactions | — | 14.5Kas of May 2018 | 29.8K | 2.7K | 15.8K |
| PALLER Robert IDirector · 26 transactions | — | 14.3Kas of Feb 2024 | 14.2K | 4.0K | 1.7K |
| Shone Richard TudorVP Safety, Health & Env. · 14 transactions | — | 13.7Kas of May 2008 | 19.7K | — | 12.7K |
| Barnes CorbinSVP, Corporate Dev and IR · 22 transactions | — | 13.1K | 13.0K | 1.6K | 3.6K |
| Hartley AndrewVP & General Counsel · 20 transactions | — | 11.1Kas of Feb 2012 | 15.1K | 3.3K | — |
| Blackmore Milton CDirector · 38 transactions | — | 10.8K | 15.0K | 442 | 8.2K |
| Puckridge James Martin CombeDirector · 5 transactions | — | 10.3Kas of Jul 2009 | 1.3K | — | — |
| Griffin Hardy Louis IIISVP, HUMAN RESOURCES · 17 transactions | — | 10.2K | 10.4K | — | 2.6K |
| PADFIELD LarryDirector · 21 transactions | — | 9.8K | 11.1K | — | 2.8K |
| Landless DavidDirector · 27 transactions | — | 7.6K | 10.1K | 500 | 942 |
| Parrette Leslie JDirector · 13 transactions | — | 7.4K | 5.8K | 2.0K | 446 |
| ROESER JoachimDirector · 14 transactions | — | 6.8Kas of Nov 2017 | 10.8K | — | 9.8K |
| Poccia ClaudiaDirector · 16 transactions | — | 6.5K | 9.2K | — | 1.2K |
| Arnold Elizabeth KDirector · 5 transactions | — | 6.4K | 4.8K | — | — |
| Dawson William MartinExec VP Performance Chemicals · 3 transactions | — | 6.0Kas of Nov 2007 | 5.3K | 1.0K | — |
| Haubold Samuel AllenDirector · 2 transactions | — | 5.2Kas of Jul 2007 | — | — | — |
| Curran PhilipGroup Financial Controller · 39 transactions | — | 2.3Kas of Feb 2020 | 15.3K | — | 9.6K |
| Nuttall Simon KirkpatrickHead of Tax and Treasury · 4 transactions | — | 2.2Kas of Aug 2006 | 3.5K | — | 3.5K |
| BRACEWELL MarkGroup Financial Controller · 27 transactions | — | 1.3Kas of Dec 2013 | 14.2K | 1.3K | 11.3K |
| FEARN PeterDirector · 1 transaction | — | 531as of Jul 2008 | — | — | — |
| Jones David BentleySVP, GC & CCO · 2 transactions | — | 506as of May 2021 | 506 | — | — |
| Jennings Paul WillisDirector · 20 transactions | — | 0as of May 2009 | 71.6K | 15.0K | 118.3K |
| McDuff Patrick JosephEVP & PRESIDENT FS AMERICAS · 7 transactions | — | 0as of Mar 2016 | 6.0K | — | 14.1K |