| 301 | HARRIS, WILLIAM SRLEXINGTON, MA · 02421 | MD · MASS GENERAL HOSPITAL | SWALWELL FOR CONGRESSC00502294 | 2025-07-14 | $3,500 | Primary 2026 (P2026) | * EARMARKED CONTRIBUTION: SEE BELOWFiling 1932763 · amendedFEC filing ↗ |
| 302 | HARRIS, WILLIAM SRLEXINGTON, MA · 02421 | PHYSICIAN · MASS GENERAL HOSPITAL | ERIC SORENSEN FOR ILLINOISC00793935 | 2025-07-09 | $3,500 | General 2026 (G2026) | Filing 1963594 · amendedFEC filing ↗ |
| 303 | HARRIS, WILLIAM SRLEXINGTON, MA · 02421 | PHYSICIAN · MASS GENERAL HOSPITAL | ERIC SORENSEN FOR ILLINOISC00793935 | 2025-07-09 | $3,500 | Primary 2026 (P2026) | Filing 1963594 · amendedFEC filing ↗ |
| 304 | HARRIS, WILLIAM H. SRLEXINGTON, MA · 02421 | PHYSICIAN · MASS GENERAL HOSPITAL | CHRIS DELUZIO FOR CONGRESSC00787648 | 2025-07-09 | $3,500 | General 2026 (G2026) | Filing 1920901FEC filing ↗ |
| 305 | HARRIS, WILLIAM H. SRLEXINGTON, MA · 02421 | PHYSICIAN · MASS GENERAL HOSPITAL | CHRIS DELUZIO FOR CONGRESSC00787648 | 2025-07-09 | $3,500 | Primary 2026 (P2026) | Filing 1920901FEC filing ↗ |
| 306 | HARRIS, WILLIAM H. SRLEXINGTON, MA · 02421 | PHYSICIAN · MASS GENERAL HOSPITAL | EMILIA SYKES FOR CONGRESSC00801274 | 2025-07-07 | $3,500 | Primary 2026 (P2026) | Filing 1920184FEC filing ↗ |
| 307 | HARRIS, WILLIAM H. SRLEXINGTON, MA · 02421 | PHYSICIAN · MASS GENERAL HOSPITAL | EMILIA SYKES FOR CONGRESSC00801274 | 2025-07-07 | $3,500 | General 2026 (G2026) | Filing 1920184FEC filing ↗ |
| 308 | HARRIS, WILLIAM SRLEXINGTON, MA · 02421 | MD · MASS GENERAL HOSPITAL | SCHOLTEN FOR CONGRESSC00711317 | 2025-07-07 | $3,500 | General 2026 (G2026) | Filing 1921053FEC filing ↗ |
| 309 | HARRIS, WILLIAM SRLEXINGTON, MA · 02421 | MD · MASS GENERAL HOSPITAL | SCHOLTEN FOR CONGRESSC00711317 | 2025-07-07 | $3,500 | Primary 2026 (P2026) | Filing 1921053FEC filing ↗ |
| 310 | HARRIS, WILLIAM H.LEXINGTON, MA · 02421 | PHYSICIAN · MASS GENERAL HOSPITAL | SHARICE FOR CONGRESSC00670034 | 2025-07-07 | $3,500 | General 2026 (G2026) | Filing 1920132FEC filing ↗ |
| 311 | HARRIS, WILLIAM H.LEXINGTON, MA · 02421 | PHYSICIAN · MASS GENERAL HOSPITAL | SHARICE FOR CONGRESSC00670034 | 2025-07-07 | $3,500 | Primary 2026 (P2026) | Filing 1920132FEC filing ↗ |
| 312 | HARRIS, WILLIAM SRLEXINGTON, MA · 02421 | PHYSICIAN · MASS GENERAL HOSPITAL | ANGIE CRAIG FOR MINNESOTAC00903690 | 2025-06-30 | $3,500 | Primary 2026 (P2026) | Filing 1903316FEC filing ↗ |
| 313 | HARRIS, WILLIAM H. M.D.LEXINGTON, MA · 02421 | PHYSICIAN · MASS GENERAL HOSPITAL | THE BILL KEATING COMMITTEEC00479063 | 2025-06-30 | $3,500 | General 2026 (G2026) | Filing 1903114FEC filing ↗ |
| 314 | HARRIS, WILLIAM H. M.D.LEXINGTON, MA · 02421 | PHYSICIAN · MASS GENERAL HOSPITAL | THE BILL KEATING COMMITTEEC00479063 | 2025-06-30 | $3,500 | Primary 2026 (P2026) | Filing 1903114FEC filing ↗ |
| 315 | HARRIS, WILLIAM SRLEXINGTON, MA · 02421 | MD · MASS GENERAL HOSPITAL | FRIENDS OF ROSA DELAUROC00238865 | 2025-06-30 | $3,500 | General 2026 (G2026) | Filing 1903245FEC filing ↗ |
| 316 | HARRIS, WILLIAM SRLEXINGTON, MA · 02421 | MD · MASS GENERAL HOSPITAL | FRIENDS OF ROSA DELAUROC00238865 | 2025-06-30 | $3,500 | Convention 2026 (C2026) | Filing 1903245FEC filing ↗ |
| 317 | HARRIS, SR., WILLIAMLEXINGTON, MA · 02421 | MD · MASS GENERAL HOSPITAL | LORI TRAHAN FOR CONGRESS COMMITTEEC00655647 | 2025-05-16 | $3,500 | Primary 2026 (P2026) | * EARMARKED CONTRIBUTION: SEE BELOWFiling 1903394FEC filing ↗ |
| 318 | HARRIS, WILLIAM ,SR.LEXINGTON, MA · 02421 | MD · MASS GENERAL HOSPITAL | ACTBLUEC00401224 | 2025-05-16 | $3,500 | Not reported | EARMARKED FOR LORI TRAHAN FOR CONGRESS COMMITTEE (C00655647)Filing 1909062FEC filing ↗ |
| 319 | HARRIS, WILLIAM SRLEXINGTON, MA · 02421 | PHYSICIAN · MASS GENERAL HOSPITAL | THE REED COMMITTEEC00238907 | 2025-04-02 | $3,500 | General 2026 (G2026) | * EARMARKED CONTRIBUTION: SEE BELOWFiling 1901919FEC filing ↗ |
| 320 | HARRIS, WILLIAM SRLEXINGTON, MA · 02421 | PHYSICIAN · MASS GENERAL HOSPITAL | THE REED COMMITTEEC00238907 | 2025-04-02 | $3,500 | Primary 2026 (P2026) | * EARMARKED CONTRIBUTION: SEE BELOWFiling 1901919FEC filing ↗ |