All lobbying filings

MAYER BROWN LLP

Lobbying for ONSEMI (ON SEMICONDUCTOR CORPORATION) · Semiconductor supplier company.

Filing 2nd Quarter - Amendment

Reporting period

2nd Quarter 2026

Apr 1 - June 30 · Posted Jul 21, 2026

Income

$110,000.00

What the client paid this registrant for the period.

Client based in

Arizona

Official filing document

Lobbyists on this filing 1

DANIEL HARDER

Previously held: Staff Assistant/Clerk - House Ways and Means 2014; Legislative Director - Rep. Mike Bishop 2015-2018

A "covered position" is a government job the lobbyist held in the 20 years before registering, which the law requires them to name. See the revolving door for former members of Congress across all filings.

Government bodies contacted 5

Commerce, Dept of (DOC)
Executive Office of the President (EOP)
HOUSE OF REPRESENTATIVES
SENATE
White House Office

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

Lobbying activity 3

Energy/Nuclear

Monitor and outreach on issues related to energy consumption of AI data centers.

Taxation/Internal Revenue Code

Legislative monitoring and outreach related to the CHIPS and Sciences Act (P.L. 117-167); the One Big Beautiful Bill Act (P.L 119-21); and pending regulations related to the Corporate Alternative Minimum Tax (CAMT).

Trade (domestic/foreign)

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

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