All lobbying filings

Harbinger Strategies, LLC

Harbinger Strategies, LLC filed a Q4 report for T-Mobile on January 20, 2026, reporting $50,000 in lobbying income.

Lobbying for T-Mobile · Telecommunications Company

As filed: HARBINGER STRATEGIES, LLC for T-MOBILE.

All filings by Harbinger Strategies, LLC · Everything T-Mobile has reported

Filing · LD-2 quarterly report Q4 report

Reporting period

4th Quarter 2025

Oct 1 - Dec 31 · Posted Jan 20, 2026

Income

$50,000

What the client paid this registrant for the period.

Client based in

District of Columbia

Official filing document

Government bodies contacted 2

The chambers, agencies and offices the filer named. It does not say who inside them was contacted, or when. Each name opens every filing that named the same body.

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.

Bills named in this filing 1

H.R. 1
Lower Energy Costs Act

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