All lobbying filings

Mayer Brown LLP

Mayer Brown LLP filed a Q4 report for Onsemi (On Semiconductor Corporation) on January 20, 2026, reporting $110,000 in lobbying income.

Lobbying for Onsemi (On Semiconductor Corporation) · Semiconductor supplier company.

As filed: MAYER BROWN LLP for ONSEMI (ON SEMICONDUCTOR CORPORATION).

All filings by Mayer Brown LLP · Everything Onsemi (On Semiconductor Corporation) has reported

Filing · LD-2 quarterly report Q4 report

Reporting period

4th Quarter 2025

Oct 1 - Dec 31 · Posted Jan 20, 2026

Income

$110,000

What the client paid this registrant for the period.

Client based in

Arizona

Official filing document

Government bodies contacted 4

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 3

Manufacturing

Legislative monitoring and outreach on issues related to the semiconductor industry.

Trade (domestic/foreign)

Monitoring and outreach on issues related to certain technologies that present a risk to U.S. national and economic security.

Energy/Nuclear

Monitor and outreach related to grid and energy security and efficiency.

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