| Hawkins Howard MDirector · 8 transactions | — | 419.6K†as of Jun 2009 | 2.0K | — | 8.0K |
| Hawkins Patrick H.CEO AND PRESIDENT, Director · 45 transactions | — | 347.8K† | 246.4K | 21.7K | — |
| Shipp Donald LDirector · 5 transactions | — | 215.9K†as of Mar 2006 | — | — | 10.0K |
| Hawkins John RChief Executive Officer, Director · 28 transactions | — | 162.3K†as of Feb 2011 | 30.0K | — | 62.7K |
| Oldenkamp Jeffrey P.EXECUTIVE VP AND CFO · 18 transactions | — | 104.3K† | 106.1K | 3.8K | — |
| Moran Theresa RVP - PURCHASING, LOGISTICS · 26 transactions | — | 101.3K†as of May 2022 | 32.4K | — | 11.8K |
| Sevenich John RVP, Industrial Group · 92 transactions | — | 93.4K†as of Apr 2021 | 67.8K | — | 56.8K |
| Keller Thomas J.VP - Water Treatment Group · 20 transactions | — | 67.8K†as of May 2020 | 32.9K | — | — |
| Erstad Richard GVP, GENERAL COUNSEL & SEC · 44 transactions | — | 67.2K† | 101.3K | — | 22.3K |
| Faulconbridge James ADirector · 36 transactions | — | 52.4K | 21.3K | 14.0K | — |
| McKeon John SDirector · 14 transactions | — | 48.9Kas of Jul 2020 | 14.9K | — | — |
| Wright Jeffrey LDirector · 20 transactions | — | 42.2Kas of Jul 2025 | 19.3K | 5.0K | — |
| Paulson Keenan AVP, Water Treatment Group · 21 transactions | — | 41.9K†as of Apr 2012 | 22.3K | — | 37.0K |
| Thompson James TDirector · 18 transactions | — | 38.2Kas of Jul 2025 | 19.3K | 3.0K | — |
| Grahek Drew M.VICE PRESIDENT OF OPERATIONS · 16 transactions | — | 38.0K† | 45.4K | 1.6K | — |
| Mangine David J.VP-INDUSTRIAL SOLUTIONS GROUP · 8 transactions | — | 37.6K† | 25.9K | — | — |
| Jergenson Duane MDirector · 14 transactions | — | 35.0Kas of Jul 2019 | 13.9K | 6.0K | — |
| Stauber Daniel JDirector · 14 transactions | — | 34.6Kas of Jul 2025 | 16.0K | 2.0K | — |
| Rozeboom Shirley A.VP HEALTH AND NUTRITION · 12 transactions | — | 34.1K | 40.0K | — | — |
| Lange Douglas A.VP - WATER TREATMENT GROUP · 12 transactions | — | 29.9K† | 33.1K | 1.7K | — |
| Pepski Kathleen P.VP, CFO, & Treas · 32 transactions | — | 26.5K†as of Jun 2017 | 58.3K | 3.0K | 27.2K |
| Schumacher Mary J.Director · 15 transactions | — | 26.2Kas of Jul 2025 | 15.2K | 1.4K | — |
| Soderlund Daniel EV.P., Pharmaceutical · 9 transactions | — | 17.3K†as of Mar 2008 | — | — | 5.0K |
| Dee Marvin ESecretary and Treasurer · 2 transactions | — | 16.9K†as of Dec 2007 | 2.5K | — | — |
| Skaar Daryl IDirector · 12 transactions | — | 14.0Kas of Aug 2017 | 11.4K | — | 3.1K |
| Gey G RobertDirector · 2 transactions | — | 12.0Kas of Aug 2008 | 2.0K | — | — |
| Jones Gregory AlanVP of Food and Health Sciences · 2 transactions | — | 10.1K | 5.4K | — | — |
| Tang YiDirector · 6 transactions | — | 7.9Kas of Jul 2025 | 7.2K | — | — |
| Beyer Mark AVice President Operations · 3 transactions | — | 6.5Kas of Apr 2013 | 8.0K | — | — |
| Spethmann Jeffrey EDirector · 5 transactions | — | 5.9Kas of Jul 2025 | 5.9K | — | — |
| Matthews Steven D IIVP of Operations · 7 transactions | — | 4.2K†as of Apr 2018 | 5.0K | — | 1.2K |
| Chacko EapenDirector · 3 transactions | — | 4.1Kas of Aug 2008 | 2.0K | 1.0K | — |
| Guiot Olivier A.VP - Health and Nutrition · 1 transaction | — | 3.9Kas of Jun 2017 | 3.6K | — | — |