SIMPSON THACHER & BARTLETT LLP

Registrant on federal lobbying filings · filed 2026 to 2026

$10,000 Income reported

1 Clients represented

2 Filings counted

0 Former members lobbying

Income is the fees this registrant reported being paid to lobby. Everything on this page is grouped by the registrant's LDA id (54767), not by name.

Clients 1

CHANGPENG ZHAO $10,000 2 filings

Lobbyists named 1

RAPHAEL A. PROBER 2 filings · through 2026 Associate Deputy Attorney General, Department of Justice, SES, July 2015-December 2016

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 1 year

2026 $10,000 2 filings

Issues lobbied 1

Financial Institutions/Investments/Securities 2

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.

Recent filings 2 total

Q2

CHANGPENG ZHAO

2nd Quarter (Apr 1 - June 30) 2026 · $10,000 income · posted Sep 4, 2026

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CHANGPENG ZHAO

2nd Quarter (Apr 1 - June 30) 2026 · posted Aug 28, 2026

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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.