ONSEMI (ON SEMICONDUCTOR CORPORATION)

Lobbying client · Arizona · filed 2025 to 2026

Semiconductor supplier company.

$660,000 Reported spend

6 Filings counted

1 Firms hired

0 Bills named

Spend is reported income plus in-house expenses across 6 filings. 2 further filings on this record were restated by a later amendment and are left out of every total here. Everything on this page is grouped by the client's LDA id (61910), not by name.

Firms hired 1

MAYER BROWN LLP $660,000 6 filings

Reported by year 2 years

2026 $220,000 2 filings
2025 $440,000 4 filings

Issues lobbied 4

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 7

HOUSE OF REPRESENTATIVES 6
SENATE 6
Commerce, Dept of (DOC) 5
Executive Office of the President (EOP) 4
White House Office 2
Energy, Dept of 1
U.S. Trade Representative (USTR) 1

Recent filings 8 total

2A

MAYER BROWN LLP

2nd Quarter (Apr 1 - June 30) 2026 · House · Senate · $110,000 income · posted Jul 21, 2026

View → Q2

MAYER BROWN LLP Amended

2nd Quarter (Apr 1 - June 30) 2026 · House · Senate · $110,000 income · posted Jul 20, 2026

View → Q1

MAYER BROWN LLP

1st Quarter (Jan 1 - Mar 31) 2026 · House · Senate · $110,000 income · posted Apr 20, 2026

View → Q4

MAYER BROWN LLP

4th Quarter (Oct 1 - Dec 31) 2025 · House · Senate · $110,000 income · posted Jan 20, 2026

View → 3A

MAYER BROWN LLP

3rd Quarter (July 1 - Sep 30) 2025 · House · Senate · $110,000 income · posted Oct 20, 2025

View → Q3

MAYER BROWN LLP Amended

3rd Quarter (July 1 - Sep 30) 2025 · House · Senate · $110,000 income · posted Oct 20, 2025

View → Q2

MAYER BROWN LLP

2nd Quarter (Apr 1 - June 30) 2025 · House · Senate · $110,000 income · posted Jul 21, 2025

View → Q1

MAYER BROWN LLP

1st Quarter (Jan 1 - Mar 31) 2025 · House · Senate · $110,000 income · posted Apr 21, 2025

View →

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