| 401 | GASSEN, BILL MR.SIOUX FALLS, SD · 57108 | PRESIDENT AND CHIEF EXECUTIVE OFFICER · SANFORD HEALTH | AMERICAN HOSPITAL ASSOCIATION PACC00106146 | 2025-02-25 | $1,250 | Primary (P) | Filing 1881541FEC filing ↗ |
| 402 | STYS, ADAMSIOUX FALLS, SD · 57108 | PHYSICIAN · SANFORD HEALTH | MARTY JACKLEY FOR CONGRESSC00909689 | 2025-10-16 | $1,500Memo only · not additional money | Other 2026 (O2026) | PRIMARY RUNOFF, IF ONE OCCURS, OR TO THE GENERALFiling 1940810FEC filing ↗ |
| 403 | HANSEN, KEITHSIOUX FALLS, SD · 57108 | PHYSICIAN · SANFORD HEALTH | FRIENDS OF DUSTY JOHNSONC00628917 | 2025-05-07 | $1,500 | General 2026 (G2026) | Filing 1904073 · amendedFEC filing ↗ |
| 404 | NELSON, PARKERSIOUX FALLS, SD · 57108 | GOVERNMENT RELATIONS · SANFORD HEALTH | CRABTREE FOR CONGRESSC00911255 | 2025-08-05 | $2,000 | Primary 2026 (P2026) | Filing 1920160FEC filing ↗ |
| 405 | NELSON, RYANSIOUX FALLS, SD · 57108 | SR ADVISOR · SANFORD HEALTH | WINREDC00694323 | 2025-10-31 | $2,000 | Primary (P) | Filing 1942656FEC filing ↗ |
| 406 | NELSON, RYAN MR.SIOUX FALLS, SD · 57108 | SR ADVISOR · SANFORD HEALTH | ROUNDS FOR SENATEC00532465 | 2025-10-31 | $2,000 | Primary 2026 (P2026) | Filing 1997182 · amendedFEC filing ↗ |
| 407 | GASSEN, WILLIAM IIISIOUX FALLS, SD · 57108 | CEO · SANFORD HEALTH | PETE RICKETTS FOR SENATEC00832436 | 2026-01-05 | $2,500 | Primary 2026 (P2026) | Filing 1997470 · amendedFEC filing ↗ |
| 408 | HANSEN, KEITHSIOUX FALLS, SD · 57108 | PHYSICIAN · SANFORD HEALTH | FRIENDS OF DUSTY JOHNSONC00628917 | 2025-03-31 | $2,500 | Primary 2026 (P2026) | Filing 1887668FEC filing ↗ |
| 409 | GASSEN, BILLSIOUX FALLS, SD · 57108 | PRESIDENT CEO · SANFORD HEALTH | ROUNDS FOR SENATEC00532465 | 2025-08-20 | $2,500 | Primary 2026 (P2026) | Filing 1921124FEC filing ↗ |
| 410 | HOCKS, MATTHEWSIOUX FALLS, SD · 57108 | EXECUTIVE VICE PRESIDENT AND CHIEF OPE · SANFORD HEALTH | ROUNDS FOR SENATEC00532465 | 2025-11-18 | $2,500 | Primary 2026 (P2026) | Filing 1997182 · amendedFEC filing ↗ |
| 411 | OLSON, NICHOLAS W.SIOUX FALLS, SD · 57108 | CHIEF FINANCIAL OFFICER · SANFORD HEALTH | ROUNDS FOR SENATEC00532465 | 2025-11-18 | $2,500 | Primary 2026 (P2026) | Filing 1997182 · amendedFEC filing ↗ |
| 412 | GRENNAN, JENNIFER G.SIOUX FALLS, SD · 57103 | EXECUTIVE VICE PRESIDENT AND CHIEF ADM · SANFORD HEALTH | ROUNDS FOR SENATEC00532465 | 2025-11-18 | $2,500 | Primary 2026 (P2026) | Filing 1997182 · amendedFEC filing ↗ |
| 413 | IBRAHIM, TOMMYSIOUX FALLS, SD · 57110 | PHYSICIAN EXECUTIVE · SANFORD HEALTH | WINREDC00694323 | 2025-11-03 | $2,500 | Primary (P) | Filing 1942656FEC filing ↗ |
| 414 | IBRAHIM, TOMMYSIOUX FALLS, SD · 57110 | PHYSICIAN EXECUTIVE · SANFORD HEALTH | ROUNDS FOR SENATEC00532465 | 2025-11-03 | $2,500 | Primary 2026 (P2026) | Filing 1997182 · amendedFEC filing ↗ |
| 415 | NELSON, RYANSIOUX FALLS, SD · 57108 | CHIEF OF STAFF · SANFORD HEALTH | CRABTREE FOR CONGRESSC00911255 | 2025-07-09 | $3,500 | Primary 2026 (P2026) | Filing 1920160FEC filing ↗ |
| 416 | STYS, ADAMSIOUX FALLS, SD · 57108 | CARDIOLOGIST · SANFORD HEALTH | FRIENDS OF DUSTY JOHNSONC00628917 | 2025-03-31 | $3,500 | Primary 2026 (P2026) | Filing 1887668FEC filing ↗ |
| 417 | GASSEN, WILLIAMSIOUX FALLS, SD · 57108 | PRESIDENT · SANFORD HEALTH | FRIENDS OF DUSTY JOHNSONC00628917 | 2025-03-31 | $3,500 | Primary 2026 (P2026) | Filing 1887668FEC filing ↗ |
| 418 | BURY, RANDYSIOUX FALLS, SD · 57106 | CHIEF ADMINISTRATIVE OFFICER · SANFORD HEALTH | FRIENDS OF DUSTY JOHNSONC00628917 | 2025-03-31 | $3,500 | Primary 2026 (P2026) | Filing 1887668FEC filing ↗ |
| 419 | GASSEN, BILLSIOUX FALLS, SD · 57108 | PRESIDENT CEO · SANFORD HEALTH | ROUNDS FOR SENATEC00532465 | 2025-08-20 | $3,500 | General 2026 (G2026) | Filing 1921124FEC filing ↗ |
| 420 | NELSON, RYANSIOUX FALLS, SD · 57108 | SR ADVISOR · SANFORD HEALTH | WINREDC00694323 | 2025-07-09 | $3,643 | Primary (P) | Filing 1942656FEC filing ↗ |