LITTELFUSE INC /DE 8-K

What Happened
Littelfuse, Inc. (LFUS) filed a Current Report on Form 8-K on May 14, 2026 (Item 7.01) furnishing the slides for its Investor Day presentation as Exhibit 99.1. The company disclosed the materials under Regulation FD; the presentation is furnished (not "filed") and therefore is not subject to Section 18 liability nor automatically incorporated by reference into Securities Act filings except by specific reference.

Key Details

• Filing date: May 14, 2026; Exhibit 99.1 = Investor Presentation dated May 14, 2026.
• Disclosure type: Furnished under Item 7.01 (Regulation FD disclosure), not "filed" for Section 18 purposes.
• Exhibit list: Form 8-K also includes Inline XBRL cover page tags (Exhibit 104).
• Company will provide omitted exhibits/schedules to the SEC upon request (Item 601(b)(2) note).

Why It Matters
Investor Day presentations often contain strategic updates, operational priorities, and management commentary that can affect investor outlook. This filing signals Littelfuse is publicly sharing those materials with all investors under Regulation FD, but does not itself present new financial statements or earnings figures. Retail investors should review the Exhibit 99.1 slides (available on the SEC EDGAR site or the company’s investor relations page) for any guidance, capital allocation or strategic details disclosed at the event.