LITTELFUSE INC /DE — Director's Dealing 2026

Feb 6, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LITTELFUSE INC /DE (LFUS)
CIK: 0000889331
Period of Report: 2026-02-04

Reporting Person: NOGLOWS WILLIAM P (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-04	Common Stock	M	911	$199.24	Acquired	21685	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-04	Stock Option (right to buy)	$199.24	M	911	Disposed	2026-04-26	Common Stock (911)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2500	Indirect
Common Stock	2500	Indirect

Footnotes

F1: Shares held in trust for the benefit of the reporting person's son.

F2: Shares held in trust for the benefit of the reporting person's daughter.

F3: The option for 911 shares vested in increments of one third annually beginning on the first anniversary of the April 26, 2019 date of grant.