| Wintemute Glenn ADirector · 55 transactions | — | 7.12M†as of Jun 2010 | 35.2K | — | 749.1K |
| Kraft Herbert ADirector, 10% owner · 36 transactions | — | 6.20M†as of May 2011 | 38.3K | — | 397.2K |
| Rosenbloom Keith M +1 co-filerDirector, Affiliate of Director · 16 transactions | — | 2.01M†as of Aug 2025 | — | 343.8K | — |
| Wintemute Eric GChairman, Director · 85 transactions | — | 897.0Kas of Aug 2024 | 1.22M | 14.8K | 383.5K |
| Rosenbloom Keith MDirector · 6 transactions | — | 638.1K† | 66.3K | — | — |
| Kaye DouglasCHIEF EXECUTIVE OFFICER · 7 transactions | — | 300.3K | 288.5K | 7.0K | — |
| Gilbane Robert FPresident of GemChem, Inc. · 21 transactions | — | 295.2Kas of Mar 2009 | 91.1K | — | 148.0K |
| Gottschalk Patrick EDirector · 11 transactions | — | 223.6K | 66.3K | 100.0K | — |
| Trogele UlrichSee Remarks · 49 transactions | — | 203.1Kas of May 2024 | 133.2K | 82.7K | — |
| Miles John BDirector · 9 transactions | — | 140.4K†as of Jun 2011 | 50.2K | — | — |
| Soderlind Carl RDirector · 58 transactions | — | 92.7K†as of Jun 2014 | 24.8K | 2.0K | 42.3K |
| Bassett Mark RDirector · 6 transactions | — | 89.9K | 66.3K | — | — |
| Barry James AChief Administrative Officer · 5 transactions | — | 85.2Kas of Mar 2009 | 91.9K | — | — |
| Donnelly TimothySee Remarks · 49 transactions | — | 85.1Kas of Sep 2024 | 178.0K | — | 44.9K |
| Macicek Steven DDirector · 8 transactions | — | 80.7K | 60.2K | 20.5K | — |
| Johnson David` T.See Remarks · 49 transactions | — | 71.7Kas of Sep 2024 | 167.8K | 1.0K | 47.5K |
| Angelini MarisolDirector · 6 transactions | — | 68.8K | 68.8K | — | — |
| Killmer John L.Director · 18 transactions | — | 55.6Kas of Jun 2021 | 58.8K | 500 | — |
| Hendrix ScottSee Remarks · 33 transactions | — | 52.8Kas of Jan 2024 | 73.8K | — | 9.4K |
| Venter JohannSee Remarks · 34 transactions | — | 51.8Kas of Apr 2022 | 68.6K | — | 14.5K |
| Rizzi JohnSee Remarks · 23 transactions | — | 50.9Kas of Mar 2019 | 57.6K | 3.0K | 12.5K |
| Thau Irving JDirector · 29 transactions | — | 50.3K†as of Jun 2013 | 51.3K | — | 29.2K |
| Zirakparvar EsmailDirector · 15 transactions | — | 44.2Kas of Jun 2021 | 44.4K | 3.3K | — |
| Baskin ScottDirector · 15 transactions | — | 42.0Kas of Aug 2025 | 44.6K | — | — |
| Clark Lawrence SDirector · 24 transactions | — | 41.3Kas of Jun 2021 | 61.2K | — | — |
| Johnson Glen DSr. VP AMVAC Chemical Corp. · 29 transactions | — | 39.4Kas of May 2014 | 50.9K | — | 80.2K |
| Lehman JamesVice President - Sales (AMVAC) · 7 transactions | — | 35.9Kas of May 2014 | 33.8K | — | — |
| Gunter EmerDirector · 7 transactions | — | 33.7Kas of Aug 2025 | 33.7K | — | — |
| de Jong AdSee Remarks · 14 transactions | — | 33.4Kas of Mar 2018 | 41.4K | — | 8.0K |
| Wetherall Shayne MCEO, AMGUARD · 17 transactions | — | 33.2Kas of Sep 2024 | 22.0K | — | — |
| Edwards Debra F.Director · 16 transactions | — | 33.1Kas of Jun 2024 | 34.9K | — | — |
| Eilers PeterSee Remarks · 25 transactions | — | 32.2K | 55.2K | — | 25.0K |
| McDougal Rubin JDirector · 1 transaction | — | 31.9K | 31.9K | — | — |
| Porpiglia PeterSee Remarks · 23 transactions | — | 31.5Kas of Jul 2023 | 32.5K | — | 7.1K |
| Erlich Morton DDirector · 12 transactions | — | 31.0Kas of Jun 2023 | 33.3K | — | — |
| Baker Smith CindySee Remarks · 8 transactions | — | 25.8Kas of Mar 2016 | 18.7K | — | — |
| Turnbough AnneSee Remarks · 22 transactions | — | 24.5Kas of Sep 2024 | 33.9K | — | — |
| Tiu de Mino CarmenDirector · 2 transactions | — | 24.4Kas of Aug 2025 | 24.4K | — | — |
| Ashmore DougVICE PRESIDENT MFG- AMVAC · 3 transactions | — | 24.2Kas of Mar 2009 | 13.1K | — | 7.5K |
| Ingulli Alfred F.Director · 15 transactions | — | 23.9Kas of Jun 2021 | 36.1K | — | 10.4K |
| Porpiglia Peter TurnboughSee Remarks, Director · 3 transactions | — | 21.8Kas of Mar 2018 | 5.5K | — | — |
| Ranganath SuneetSee Remarks · 12 transactions | — | 21.0Kas of Sep 2024 | 19.7K | — | — |
| Hildreth ChristopherSr. VP of AMVAC Chemical Corp. · 3 transactions | — | 17.9Kas of Mar 2009 | 11.9K | — | — |
| Bennett John MasonVP US Crop Sales · 2 transactions | — | 14.6Kas of Sep 2024 | — | — | — |
| Thorley TrevorCOO & EVP of Amvac Chemical · 3 transactions | — | 8.3Kas of Mar 2010 | 8.3K | 10.0K | 10.0K |
| Naughton Andrew BV.P., Director of Technology · 3 transactions | — | 3.7Kas of Apr 2023 | 5.3K | — | — |
| Pougnier JeanVP Business Dev. & Marketing · 2 transactions | — | 3.2Kas of Mar 2019 | 6.5K | — | — |
| Coben Jerome LDirector · 1 transaction | — | 2.1Kas of Nov 2012 | — | 1.0K | — |