MP MATERIALS CORP.

Registrant on federal lobbying filings · filed 2025 to 2026

$0 Income reported

1 Clients represented

4 Filings counted

0 Former members lobbying

Income is the fees this registrant reported being paid to lobby. It also reported $410,000 of in-house lobbying expenses, which is what a registrant files when it lobbies for itself. Everything on this page is grouped by the registrant's LDA id (401110141), not by name.

Clients 1

MP MATERIALS CORP. $410,000 4 filings

Lobbyists named 1

REBECCA ROSEN 1 filing · through 2025 Professional Staff Member - Senate En. & Nat. Res. Cmte.

A lobbyist who previously held a covered government position must disclose it. We flag the ones whose name resolves to a member of Congress and link the ones still in our roster. The revolving door collects them across every firm.

Reported by year 2 years

2026 $320,000 2 filings
2025 $90,000 2 filings

Issues lobbied 7

The count is how many filings named that issue area. A filing reports one lump figure covering every issue on it, so the money above cannot be split between them.

Agencies and chambers lobbied 8

Commerce, Dept of (DOC) 2
Defense, Dept of (DOD) 2
HOUSE OF REPRESENTATIVES 2
Interior, Dept of (DOI) 2
SENATE 2
Small Business Administration (SBA) 2
U.S. Trade Representative (USTR) 2
White House Office 2

Recent filings 4 total

2T

MP MATERIALS CORP.

2nd Quarter (Apr 1 - June 30) 2026 · House · Senate · $230,000 expenses · posted Jul 20, 2026

View → Q1

MP MATERIALS CORP.

1st Quarter (Jan 1 - Mar 31) 2026 · House · Senate · $90,000 expenses · posted Apr 20, 2026

View → Q4Y

MP MATERIALS CORP.

4th Quarter (Oct 1 - Dec 31) 2025 · $90,000 expenses · posted Jan 20, 2026

View → RR

MP MATERIALS CORP.

4th Quarter (Oct 1 - Dec 31) 2025 · posted Dec 5, 2025

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Source: federal Lobbying Disclosure Act filings, synced daily. Money is self-reported by the filer and often rounded. Lobbying is legal, disclosed activity.