Colton Henning is named as a lobbyist on federal disclosure filings for 11 clients through Horizon Government Affairs and 1 other registrant. The most recent filing naming them posted in October 2026. Issues reported include Health Issues, Medicare/Medicaid and Telecommunications.
| Client | Registrant | Latest | Issues |
|---|---|---|---|
| NATIONAL COUNCIL FOR PRESCRIPTION DRUG PROGRAMS | MONUMENT ADVOCACY | Q3 2026 | Health Issues |
| INTEGRITY MARKETING GROUP | MONUMENT ADVOCACY | Q3 2026 | Medicare/Medicaid |
| HEALTH INNOVATION ALLIANCE | MONUMENT ADVOCACY | Q3 2026 | Health Issues |
| FIRST PRINCIPLES STRATEGIES LLC ON BEHALF OF BRUIN BIOMETRICS | MONUMENT ADVOCACY | Q3 2026 | Medicare/Medicaid, Health Issues |
| CENCORA | MONUMENT ADVOCACY | Q3 2026 | Health Issues |
| ATHENAHEALTH, INC. | MONUMENT ADVOCACY | Q3 2026 | Medicare/Medicaid, Health Issues |
| FRED HUTCHINSON CANCER CENTER (FORMERLY KNOWN AS SEATTLE CANCER CARE ALLIANCE) | MONUMENT ADVOCACY | Q2 2026 | Health Issues |
| ATHENAHEALTH, INC. | HORIZON GOVERNMENT AFFAIRS | Q4 2025 | Health Issues |
| HEALTH INNOVATION ALLIANCE | HORIZON GOVERNMENT AFFAIRS | Q4 2025 | Health Issues |
| VELATURA PUBLIC BENEFIT CORPORATION | HORIZON GOVERNMENT AFFAIRS | Q4 2025 | Health Issues |
| CENCORA FKA AMERISOURCEBERGEN CORPORATION | HORIZON GOVERNMENT AFFAIRS | Q4 2025 | Health Issues |
| INTEGRITY MARKETING GROUP | HORIZON GOVERNMENT AFFAIRS | Q4 2025 | Medicare/Medicaid |
| NATIONAL COUNCIL FOR PRESCRIPTION DRUG PROGRAMS | HORIZON GOVERNMENT AFFAIRS | Q4 2025 | Health Issues |
| FIRST PRINCIPLES STRATEGIES, LLC ON BEHALF OF VALIDAS, LLC | HORIZON GOVERNMENT AFFAIRS | Q3 2025 | Telecommunications |
| THE UNITED STATES PHARMACOPEIAL CONVENTION | HORIZON GOVERNMENT AFFAIRS | Q2 2025 | Health Issues |
| Year | Clients | Registrants |
|---|---|---|
| 2026 | 7 | 1 |
| 2025 | 8 | 1 |
Pay is not disclosed for individual lobbyists. Filings do not confirm that records with the same name are one person, so this page may combine people who share the name Colton Henning. See the Capitol Clarity rankings and method.