| Intrepid Mining LLCDirector, 10% owner · 2 transactions | — | 40.34Mas of Apr 2008 | 40.34M | — | — |
| 1109519 Ontario LTD +5 co-filersSee Remarks · 5 transactions | — | 10.42Mas of May 2018 | — | — | 6.25M |
| Martin J LandisDirector · 39 transactions | — | 3.46M†as of May 2019 | 8.31M | 3.15M | 1.44M |
| Clearway Capital Management LLC10% owner · 18 transactions | — | 1.34Mas of Mar 2022 | — | — | 345.9K |
| Avendano Gonzalo MDirector · 3 transactions | — | 1.22M† | 5.4K | — | — |
| Jornayvaz Robert P III10% owner · 164 transactions | — | 1.02M†as of Jul 2025 | 19.77M | 7.77M | 6.21M |
| Whyte James NEVP · 52 transactions | — | 268.3Kas of Nov 2018 | 569.3K | 4.1K | 231.3K |
| Frantz Brian DSVP & Chief Accounting Officer · 18 transactions | — | 198.7Kas of Feb 2017 | 206.6K | — | — |
| McCandless MargaretVP and General Counsel · 16 transactions | — | 189.3Kas of Nov 2019 | 241.1K | — | — |
| Blair JeffreyVP of Sales & Marketing · 4 transactions | — | 160.5Kas of Nov 2017 | 169.0K | — | — |
| Crutchfield Kevin SChief Executive Officer, Director · 12 transactions | — | 109.1K | 120.9K | — | — |
| Honeyfield David WPresident & CFO · 32 transactions | — | 76.3Kas of Feb 2014 | 152.6K | 4.0K | 8.5K |
| Montoya Joseph GVP & Chief Accounting Officer · 15 transactions | — | 66.3Kas of Nov 2019 | 59.8K | 300 | 29.5K |
| Preston Matthew DCFO · 30 transactions | — | 60.1Kas of Jul 2025 | 73.2K | — | 6.1K |
| Litt Martin DEVP and General Counsel · 25 transactions | — | 54.1Kas of Dec 2014 | 74.8K | — | 8.7K |
| Whitham Barth EDirector · 21 transactions | — | 51.5K | 338.9K | 7.5K | — |
| Elliott Chris A.Director · 18 transactions | — | 48.8K | 327.6K | — | — |
| Mansanti John GSVP Strat. Init. & Tech. Svs. · 28 transactions | — | 48.5Kas of Jun 2017 | 91.1K | — | 12.7K |
| Feist Kelvin GSVP of Sales & Marketing · 20 transactions | — | 36.2Kas of Feb 2016 | 61.1K | — | 10.1K |
| Considine TerryDirector · 21 transactions | — | 34.2K†as of May 2021 | 322.0K | 100.0K | 29.9K |
| Avery Patrick LFormer President and COO · 4 transactions | — | 28.6Kas of Feb 2009 | 93.7K | 2.0K | — |
| Sheehan ChristinaGeneral Counsel · 16 transactions | — | 28.4K | 34.6K | — | — |
| McBride Mary EDirector · 8 transactions | — | 26.0K | 99.5K | — | — |
| PRV Investors I, LLCDirector · 4 transactions | — | 24.0K†as of Dec 2008 | — | — | 21.0K |
| Wagner AlexVP of Bus Dev - Oilfield Srvs · 1 transaction | — | 22.3Kas of Mar 2019 | 22.3K | — | — |
| Baldridge Robert ESVP - New Mexico · 12 transactions | — | 19.6Kas of Mar 2022 | 16.4K | — | 16.0K |
| Stone Edward BrianPresident and COO · 6 transactions | — | 19.2Kas of Dec 2022 | 20.5K | — | — |
| Moore R LSenior VP-Mrktg and Sales · 16 transactions | — | 17.2Kas of Apr 2011 | 41.3K | 20.0K | 35.1K |
| Wyatt EricaChief Human Resources Officer · 15 transactions | — | 16.4Kas of Mar 2021 | 23.0K | 200 | — |
| Zisch William MDirector · 6 transactions | — | 14.5K | 14.5K | — | — |
| Ingold CrisChief Accounting Officer · 13 transactions | — | 13.0K | 12.0K | — | — |
| Lancaster Lori ADirector · 8 transactions | — | 12.6K | 17.4K | — | 4.8K |
| Smith Kyle RVP, General Counsel · 5 transactions | — | 7.8Kas of Mar 2022 | 8.4K | — | — |
| McDonald Mark AVP of Sales and Marketing · 14 transactions | — | 7.4Kas of Nov 2020 | 34.3K | — | — |
| Harvey Hugh E JrDirector · 75 transactions | — | 6.7Kas of May 2025 | 16.56M | 3.25M | 7.18M |
| Kim Richard CharlesVice President of Operations · 1 transaction | — | 4.6K | 4.6K | — | — |
| Gloss Rodney DFormer V.P. and Controller · 9 transactions | — | 231as of Apr 2010 | 22.3K | — | 8.0K |
| Potash Acquisition, LLCDirector · 2 transactions | — | 0as of Dec 2008 | — | — | 10.0K |
| Clearway Capital Management Ltd. +1 co-filer10% owner · 22 transactions | — | 0as of Oct 2020 | — | 2.96M | — |