All lobbying filings

HARBINGER STRATEGIES, LLC

Lobbying for T-MOBILE · Telecommunications Company

Filing 4th Quarter - Report

Reporting period

4th Quarter 2025

Oct 1 - Dec 31 · Posted Jan 20, 2026

Income

$50,000.00

What the client paid this registrant for the period.

Client based in

District of Columbia

Official filing document

Government bodies contacted 2

HOUSE OF REPRESENTATIVES
SENATE

The chambers, agencies and offices the filer named. It does not say who inside them was contacted, or when.

Bills named in this filing 1

HR 1
Lower Energy Costs Act

Lobbying activity 2

Taxation/Internal Revenue Code

The One Big Beautiful Bill Act (H.R.1): business tax issues including the taxation of research and development costs, interest expense, and capital cost recovery.

Telecommunications

General monitoring of issues related to telecommunications policy.

Source: federal Lobbying Disclosure Act filing, reproduced as filed. Bills are parsed from the activity descriptions.