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ON Semiconductor Corp. SEC filings

ON Semiconductor filed 24 documents with the SEC in the last twelve months, the latest report being the 10-Q of 2 November 2026. The latest filing, on 2 November 2026, was an 8-K: material agreement, regulation fd disclosure.

Filings in twelve months2414 of them 8-K news
Latest report10-Qfiled 2 Nov 2026
Latest filing8-K2 Nov 2026
Last results, two-day move+1.3%results filed 2 Nov 2026
New to this? How to read this page
  1. Companies file with the SEC when something happens. 10-Q and 10-K are the quarterly and annual reports; 8-K is news that cannot wait for the next report.
  2. An 8-K says which items it covers, such as results, a change at the top or a big contract. A foreign company files a 6-K instead.
  3. The results release is usually an 8-K filed the day results come out, before the 10-Q or 10-K.
  4. Every filing links to the original on EDGAR, the SEC's own site.

Twelve months of filings

by kind

Most of the filings were other company news (10). Results came out 4 times.

Each mark is one filing on the day it was filed, in rows by kind. Hover or tap a mark for the form and what it was about.

The share price around each results release

close before to close after

Over the last 4 releases the share price moved 1.5% on average in the two days around results, the most on 9 Feb 2026 (+3.3%).

9 Feb 2026+3.3%$65.20 to $67.38
4 May 2026-0.3%$103.03 to $102.67
3 Aug 2026-1.0%$81.61 to $80.78
2 Nov 2026+1.3%$71.69 to $72.64
Daily closeResults filed

Each ring marks a results filing. The move runs from the last close before the filing to the first close after it, so it covers results released before the open or after the close. Hover the line for any day's close.

What the company told investors on 8-K

14 filings

ON Semiconductor's 14 news filings (8-K) were mostly about other events (6) and material agreement (4).

  • Other eventsNews the company chose to file
    6 · latest 1 Oct 2026
  • Material agreementA large contract or deal was signed
    4 · latest 2 Nov 2026
  • Results of operationsThe quarterly results release
    4 · latest 2 Nov 2026
  • Officer or director changeSomeone joined, left or changed role at the top
    2 · latest 18 May 2026
  • Regulation FD disclosureMaterial shared with investors, often slides or a presentation
    1 · latest 2 Nov 2026
  • Shareholder voteResults of a vote at a shareholder meeting
    1 · latest 18 May 2026
  • New financial obligationNew debt or a borrowing
    1 · latest 12 May 2026
  • Unregistered sale of equityShares sold privately
    1 · latest 12 May 2026
  • Material impairmentAn asset was written down
    1 · latest 17 Nov 2025

Each line is one kind of news, with what it means in plain words. Each square is one filing; a filing can carry more than one kind, so the squares can add up to more than the filings. The date opens the latest one on EDGAR.

How it compares

every company on the site

    The bar ranks every company on the site from the lowest on the left to the highest on the right, in three equal thirds; the small figures under it are the values where each third starts, and the black tick is the middle company. The orange dot is this company; the grey ticks are the other companies in its industry (hover or tap for names). A hatched block is companies tied at none.

    Every filing as a table

    In the last twelve months ON Semiconductor Corp. filed 24 documents with the SEC of the kinds listed here: 14 current reports (8-K), about 6 other events; 4 material agreement; 4 results of operations; 2 officer or director change; 1 regulation FD disclosure; 3 quarterly reports (10-Q), 2 additional proxy materials (DEFA14A), 1 merger registration (S-4), 1 conflict minerals report (SD), 1 annual report to shareholders (ARS), 1 proxy statement (DEF 14A). The latest, filed 2 November 2026: 8-K, material agreement, regulation FD disclosure. The reports, the proxy statement and the prospectus themselves, where filed, each with a link to open it, are on the documents page.

    FiledFormWhat it was aboutPeriod or event dateFiling
    2 November 20268-KMaterial agreement, Regulation FD disclosure2 November 2026EDGAR
    2 November 20268-KResults of operations2 November 2026EDGAR
    2 November 202610-Qquarterly report2 October 2026EDGAR
    1 October 2026DEFA14Aadditional proxy materialEDGAR
    1 October 20268-KMaterial agreement, Other events1 October 2026EDGAR
    21 August 2026S-4merger registrationEDGAR
    13 August 20268-KOther events12 August 2026EDGAR
    3 August 20268-KResults of operations3 August 2026EDGAR
    3 August 202610-Qquarterly report3 July 2026EDGAR
    25 June 20268-KMaterial agreement, Other events25 June 2026EDGAR
    18 May 2026SDconflict minerals reportEDGAR
    18 May 20268-KOfficer or director change, Shareholder vote14 May 2026EDGAR
    12 May 20268-KMaterial agreement, New financial obligation, Unregistered sale of equity, Other events6 May 2026EDGAR
    7 May 20268-KOther events6 May 2026EDGAR
    6 May 20268-KOther events6 May 2026EDGAR
    4 May 20268-KResults of operations4 May 2026EDGAR
    4 May 202610-Qquarterly report3 April 2026EDGAR
    2 April 2026ARSannual report to shareholders31 December 2025EDGAR
    2 April 2026DEFA14Aadditional proxy materialEDGAR
    2 April 2026DEF 14Aproxy statement14 May 2026EDGAR
    11 March 20268-KOfficer or director change9 March 2026EDGAR
    9 February 20268-KResults of operations9 February 2026EDGAR
    9 February 202610-Kannual report31 December 2025EDGAR
    17 November 20258-KMaterial impairment13 November 2025EDGAR
    An 8-K is what a company files within four business days of a material event; the SEC numbers the events, and the words here are the SEC's own headings, shortened.
    Read moreForm 4, Form 144, 13F and Schedule 13D and 13G have their own pages. Prospectus supplements and correspondence are not listed.