| Lamont William M JrDirector · 128 transactions | — | 905.5K†as of Apr 2016 | 57.5K | — | 365.8K |
| Lawrence Charles BerdonDirector · 123 transactions | — | 585.9K†as of May 2012 | 388.6K | 370.0K | 4.04M |
| Peterkin George A JrDirector · 79 transactions | — | 443.8K†as of Mar 2014 | 44.9K | — | 184.9K |
| Stone Robert G JrDirector · 2 transactions | — | 143.2K†as of Mar 2006 | 1.5K | — | — |
| Valerius Steven PFormer Exec VP - Admin · 43 transactions | — | 139.6K†as of Jan 2010 | 151.6K | — | 114.4K |
| Waterman William M.Director · 40 transactions | — | 122.9K† | 52.7K | — | 367.8K |
| Pyne J HDirector · 111 transactions | — | 118.7K†as of May 2023 | 958.2K | — | 1.35M |
| Grzebinski David WCEO, Director · 98 transactions | — | 98.2K | 479.3K | — | 212.2K |
| Day C SeanDirector · 57 transactions | — | 71.1Kas of Mar 2022 | 139.8K | 12.5K | 51.0K |
| Nolen Norman WExecutive Vice President · 39 transactions | — | 48.5K†as of Mar 2010 | 76.7K | — | 133.4K |
| Binion Gregory R.President-Marine Transportatio · 44 transactions | — | 47.4K†as of Feb 2014 | 131.3K | — | 107.7K |
| Davis Barry EDirector · 21 transactions | — | 47.1K† | 45.6K | 10.0K | 8.5K |
| Gower Bob GDirector · 52 transactions | — | 33.5Kas of Oct 2014 | 133.6K | — | 122.8K |
| Ainsworth Anne-MarieDirector · 12 transactions | — | 30.3K | 30.3K | — | — |
| Holcomb G StephenVice Pres-Investor Relations · 48 transactions | — | 28.7K†as of Apr 2014 | 91.6K | — | 81.6K |
| Alario Richard JDirector · 27 transactions | — | 28.6K | 59.6K | — | 25.7K |
| Farley James F.VP - Industry Relations · 22 transactions | — | 25.7K†as of Jan 2017 | 61.3K | — | 73.1K |
| Buese Mark RSenior Vice President · 16 transactions | — | 21.3K†as of Apr 2008 | 93.8K | — | 88.0K |
| Sims Jack MVice President · 23 transactions | — | 20.9K†as of Mar 2010 | 51.2K | — | 39.1K |
| Strahan Dorman LYNNPresident-Kirby Engine Systems · 121 transactions | — | 20.8K†as of May 2024 | 171.0K | — | 143.8K |
| Miller Monte JDirector · 46 transactions | — | 19.7Kas of Mar 2021 | 79.1K | — | 55.3K |
| Beder Tanya SDirector · 8 transactions | — | 19.3K | 19.3K | — | — |
| Smith Charles AndrewExec VP - CFO · 8 transactions | — | 18.3Kas of Feb 2017 | 21.0K | — | — |
| Ivey William G.President-Marine Transportatio · 47 transactions | — | 17.8K†as of Mar 2018 | 80.5K | — | 77.9K |
| Mosley David RVice President · 39 transactions | — | 17.7K†as of May 2018 | 39.2K | — | 21.7K |
| Stewart Richard RossDirector · 47 transactions | — | 15.5K | 87.4K | — | 66.6K |
| Husted Amy D.Exec VP General Counsel & Sec · 100 transactions | — | 14.5K† | 152.9K | — | 105.8K |
| Lemmon David LDirector · 20 transactions | — | 14.0Kas of Feb 2014 | 47.5K | — | 40.0K |
| Reniers Joseph H.President-Kirby Distribution · 54 transactions | — | 13.8Kas of Mar 2022 | 85.0K | — | 55.0K |
| Webb Richard CDirector · 5 transactions | — | 13.8Kas of Jan 2006 | 10.9K | — | 10.9K |
| Williams Shawn D.Director · 6 transactions | — | 13.7K | 13.7K | — | — |
| Johnson Walter EDirector · 16 transactions | — | 13.0Kas of Jun 2007 | 26.7K | — | 31.1K |
| Whisenhunt David DwightExec VP - Engine Systems · 5 transactions | — | 11.7Kas of Jul 2013 | 12.8K | — | 398 |
| Coulter Michael W.President-United Holdings LLC · 6 transactions | — | 11.4K†as of Feb 2015 | 14.6K | — | 1.8K |
| Harvey William GExec VP Finance · 8 transactions | — | 10.8Kas of Jan 2022 | 13.6K | — | — |
| Dragg Ronald AVice President and Controller · 105 transactions | — | 10.2K† | 62.1K | — | 43.2K |
| CFL Trust Of 1988Trust with Insider Trustee · 9 transactions | — | 9.7Kas of Oct 2009 | — | — | 6.6K |
| Dio Susan LeslieDirector · 5 transactions | — | 8.6K | 8.6K | — | — |
| LHP Trust Of 1990Trust with Insider Trustee · 9 transactions | — | 7.7Kas of Oct 2009 | — | — | 5.3K |
| Forbes Mark K.VP - Human Resources · 4 transactions | — | 7.5Kas of Jan 2016 | 8.9K | — | — |
| GTP Trust Of 1992Trust with Insider Trustee · 9 transactions | — | 6.7Kas of Oct 2009 | — | — | 4.7K |
| HMH Trust Of 1992Trust with Insider Trustee · 8 transactions | — | 6.7Kas of Oct 2009 | — | — | 4.7K |
| Holcomb Eric SVP-Investor Relations · 15 transactions | — | 6.1K†as of Jan 2022 | 3.5K | — | 220 |
| O'Neil Christian G.President and COO · 73 transactions | — | 5.7K† | 154.1K | — | 130.5K |
| Moore Billy Frank Jr.President - United Holdings · 2 transactions | — | 5.4Kas of Feb 2013 | 5.4K | — | — |
| Dewbre RockyDirector · 3 transactions | — | 4.8Kas of May 2023 | 3.4K | 1.4K | — |
| Kumar RajExec VP and CFO · 19 transactions | — | 4.5K | 32.5K | — | 16.5K |
| Kruger Julie MarieVP Human Resources · 8 transactions | — | 4.0Kas of Feb 2025 | 3.0K | — | — |
| JGP Trust Of 2001Trust with Insider Trustee · 8 transactions | — | 3.7Kas of Oct 2009 | — | — | 2.7K |
| KFP Trust Of 2001Trust with Insider Trustee · 8 transactions | — | 3.7Kas of Oct 2009 | — | — | 2.7K |
| Clark James RoderickDirector · 4 transactions | — | 3.7Kas of Apr 2010 | 3.7K | — | — |
| Miller Scott PVP - CIO · 51 transactions | — | 3.6K | 51.2K | — | 37.7K |
| Castro Renato ATreasurer · 26 transactions | — | 3.0K†as of Jan 2019 | 5.6K | — | 6.0K |
| Niemietz Kurt A.VP IR & Treasurer · 35 transactions | — | 2.9K | 10.3K | — | 4.8K |
| Embree Tracy ADirector · 2 transactions | — | 1.8K | 1.8K | — | — |
| Runser Howard GVice President · 4 transactions | — | 1.5K†as of Sep 2006 | 1.0K | — | — |
| McCauley Jennifer N.Chief HR Officer · 2 transactions | — | 934 | 934 | — | — |
| Clarke Kim BVP and Chief HR Officer · 26 transactions | — | 316†as of Feb 2023 | 24.3K | 1.0K | 19.8K |
| Woodruff William MatthewVP of Public and Govt Affairs · 38 transactions | — | 9 | 8.7K | — | 6.4K |
| WTH Trust Of 1995Trust with Insider Trustee · 1 transaction | — | 0as of May 2005 | — | — | 500 |
| Casey Timothy JPres, K-Sea Trans Partners, LP · 2 transactions | — | 0as of Jul 2011 | 5.2K | — | — |