Gregory Portner is named as a lobbyist on federal disclosure filings for 1 client through Amgen, Inc.. The most recent filing naming them posted in October 2026. Issues reported include Health Issues, Medicare/Medicaid, Taxation/Internal Revenue Code and Tariff (miscellaneous tariff bills).
| Client | Registrant | Latest | Issues |
|---|---|---|---|
| AMGEN INC | AMGEN, INC. | Q3 2026 | Taxation/Internal Revenue Code, Medicare/Medicaid, Health Issues |
| Year | Clients | Registrants |
|---|---|---|
| 2026 | 1 | 1 |
| 2025 | 1 | 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 Gregory Portner. See the Capitol Clarity rankings and method.