LITTELFUSE INC /DE — Director's Dealing 2025

Dec 8, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LITTELFUSE INC /DE (LFUS)
CIK: 0000889331
Period of Report: 2025-12-04

Reporting Person: Nayar Deepak (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-04	Common Stock	M	3036	$231.64	Acquired	9034	Direct
2025-12-04	Common Stock	S	3036	$259.12	Disposed	5998	Direct
2025-12-05	Common Stock	A	11	$259.99	Acquired	6009	Direct
2025-12-05	Common Stock	M	4454	$231.64	Acquired	10463	Direct
2025-12-05	Common Stock	S	4454	$259.07	Disposed	6009	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-12-04	Stock Option (right to buy)	$231.64	M	3036	Disposed	2029-04-28	Common Stock (3036)	Direct
2025-12-05	Stock Option (right to buy)	$231.64	M	4454	Disposed	2029-04-28	Common Stock (4454)	Direct

Footnotes

F1: The option for 7,490 shares vested in increments of one third annually beginning on the first anniversary of the April 28, 2022 date of grant.

F2: The shares were sold in multiple transactions at prices ranging from $259.00 to $259.57, inclusive. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3: Represents shares accrued as payment of dividends on unvested restricted stock units.

F4: The shares were sold in multiple transactions at prices ranging from $259.00 to $259.56, inclusive. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.