| 1 | GASSEN, BILLSIOUX FALLS, SD · 57108 | PRESIDENT CEO · SANFORD HEALTH | REPUBLICAN FORWARDC00907691 | 2026-03-24 | $25,000 | Primary (P) | EARMARKED FROM WINREDFiling 1962969FEC filing ↗ |
| 2 | GASSEN, WILLIAMSIOUX FALLS, SD · 57108 | PRESIDENT · SANFORD HEALTH | DUSTY JOHNSON VICTORY COMMITTEEC00834994 | 2025-03-14 | $10,000 | Primary (P) | Filing 1887075FEC filing ↗ |
| 3 | GASSEN, BILLSIOUX FALLS, SD · 57108 | PRESIDENT AND CEO · SANFORD HEALTH | WINREDC00694323 | 2025-08-20 | $7,000 | Primary (P) | Filing 1942656FEC filing ↗ |
| 4 | MICKELSON, VALERIESIOUX FALLS, SD · 57103 | PHYSICAL THERAPIST · SANFORD HEALTH | REPUBLICAN FORWARDC00907691 | 2025-07-28 | $6,250 | Primary (P) | Filing 1938437FEC filing ↗ |
| 5 | STYS, ADAMSIOUX FALLS, SD · 57108 | PHYSICIAN · SANFORD HEALTH | MARTY JACKLEY FOR CONGRESSC00909689 | 2025-08-19 | $5,000Memo only · not additional money | Primary 2026 (P2026) | SEE OCTOBER QUARTERLY REPORTFiling 1940810FEC filing ↗ |
| 6 | NELSON, RYANSIOUX FALLS, SD · 57108 | SR ADVISOR · SANFORD HEALTH | WINREDC00694323 | 2025-07-09 | $3,643 | Primary (P) | Filing 1942656FEC filing ↗ |
| 7 | GASSEN, WILLIAMSIOUX FALLS, SD · 57108 | PRESIDENT · SANFORD HEALTH | FRIENDS OF DUSTY JOHNSONC00628917 | 2025-03-31 | $3,500 | Primary 2026 (P2026) | Filing 1887668FEC filing ↗ |
| 8 | 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 ↗ |
| 9 | GASSEN, BILLSIOUX FALLS, SD · 57108 | PRESIDENT CEO · SANFORD HEALTH | ROUNDS FOR SENATEC00532465 | 2025-08-20 | $3,500 | General 2026 (G2026) | Filing 1921124FEC filing ↗ |
| 10 | STYS, ADAMSIOUX FALLS, SD · 57108 | CARDIOLOGIST · SANFORD HEALTH | FRIENDS OF DUSTY JOHNSONC00628917 | 2025-03-31 | $3,500 | Primary 2026 (P2026) | Filing 1887668FEC filing ↗ |
| 11 | NELSON, RYANSIOUX FALLS, SD · 57108 | CHIEF OF STAFF · SANFORD HEALTH | CRABTREE FOR CONGRESSC00911255 | 2025-07-09 | $3,500 | Primary 2026 (P2026) | Filing 1920160FEC filing ↗ |
| 12 | 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 ↗ |
| 13 | 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 ↗ |
| 14 | GASSEN, BILLSIOUX FALLS, SD · 57108 | PRESIDENT CEO · SANFORD HEALTH | ROUNDS FOR SENATEC00532465 | 2025-08-20 | $2,500 | Primary 2026 (P2026) | Filing 1921124FEC filing ↗ |
| 15 | IBRAHIM, TOMMYSIOUX FALLS, SD · 57110 | PHYSICIAN EXECUTIVE · SANFORD HEALTH | ROUNDS FOR SENATEC00532465 | 2025-11-03 | $2,500 | Primary 2026 (P2026) | Filing 1997182 · amendedFEC filing ↗ |
| 16 | HANSEN, KEITHSIOUX FALLS, SD · 57108 | PHYSICIAN · SANFORD HEALTH | FRIENDS OF DUSTY JOHNSONC00628917 | 2025-03-31 | $2,500 | Primary 2026 (P2026) | Filing 1887668FEC filing ↗ |
| 17 | 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 ↗ |
| 18 | IBRAHIM, TOMMYSIOUX FALLS, SD · 57110 | PHYSICIAN EXECUTIVE · SANFORD HEALTH | WINREDC00694323 | 2025-11-03 | $2,500 | Primary (P) | Filing 1942656FEC filing ↗ |
| 19 | 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 ↗ |
| 20 | 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 ↗ |