Littelfuse, Inc. (LFUS)
Nasdaq: LFUS · Switchgear & Switchboard Apparatus · Rosemont, IL · filing with the SEC since 1996
Grade4.9
◀ Past 4.7● Present 5.0▶ Future 4.9
Filings
242 filings since 2017 beside 941 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026Due nextLarge accelerated filer
10-K
Annual report for the fiscal year ending Dec 26, 2026Large accelerated filers have 60 days after the fiscal year ends.
by Feb 24, 2027
10-Q
Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end.
by May 10, 2027
A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 32 days after the quarter ended. The proxy statement was last filed Mar 12, 2026.
Filings a yearinsider forms included
951251227998109153147
2026 counts to Nov 13, 2026.
Officer or director change (8-K item 5.02): 13 times in the last 36 months, the newest Sep 16, 2026.A late-filing notice, Form NT 10-K, filed Feb 27, 2025.
Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.
FiledFormWhat it is, in plain wordsPeriodAsk
Oct 28, 2026
8-K items 2.02, 7.01, 9.01
Results released; Investor disclosure (Regulation FD) · Current report
Aug 11, 2026
8-K items 5.02, 7.01, 9.01
Officer or director change; Investor disclosure (Regulation FD) · Current report
Aug 6, 2026
Jul 29, 2026
8-K items 2.02, 7.01, 9.01
Results released; Investor disclosure (Regulation FD) · Current report
May 6, 2026
8-K items 2.02, 7.01, 9.01
Results released; Investor disclosure (Regulation FD) · Current report
Apr 28, 2026
8-K items 5.02, 5.07, 9.01
Officer or director change; Shareholder vote · Current report
Apr 22, 2026
Mar 13, 2026
8-K items 1.01, 2.03, 9.01
Major agreement signed; New debt or obligation taken on · Current report
Mar 12, 2026
Mar 5, 2026
8-K items 5.02, 7.01, 9.01
Officer or director change; Investor disclosure (Regulation FD) · Current report
Mar 4, 2026
Jan 28, 2026
8-K items 2.02, 7.01, 9.01
Results released; Investor disclosure (Regulation FD) · Current report
Oct 29, 2025
8-K items 2.02, 7.01, 9.01
Results released; Investor disclosure (Regulation FD) · Current report
Oct 28, 2025
8-K items 1.01, 7.01, 9.01
Major agreement signed; Investor disclosure (Regulation FD) · Current report
Oct 24, 2025
Aug 7, 2025
8-K items 5.02, 7.01, 9.01
Officer or director change; Investor disclosure (Regulation FD) · Current report
Jul 30, 2025
8-K items 2.02, 7.01, 9.01
Results released; Investor disclosure (Regulation FD) · Current report
May 27, 2025
8-K items 5.02, 7.01, 9.01
Officer or director change; Investor disclosure (Regulation FD) · Current report
Apr 29, 2025
8-K items 2.02, 7.01, 9.01
Results released; Investor disclosure (Regulation FD) · Current report
Apr 28, 2025
8-K items 5.02, 5.07, 9.01
Officer or director change; Shareholder vote · Current report
Apr 24, 2025
Apr 9, 2025
8-K items 5.02, 7.01, 9.01
Officer or director change; Investor disclosure (Regulation FD) · Current report
Apr 8, 2025
40 of 242 shown
Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.