LITTELFUSE INC /DE — Director's Dealing 2023

May 1, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LITTELFUSE INC /DE (LFUS)
CIK: 0000889331
Period of Report: 2023-04-27

Reporting Person: HEINZMANN DAVID W (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-04-27	Common Stock	A	9708	—	Acquired	53429	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-04-27	Stock Option (right to buy)	$240.76	A	29800	Acquired	2030-04-27	Common Stock (29800)	Direct

Footnotes

F1: Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan. The grant vests in increments of one-third annually beginning on the first anniversary of the date of grant.

F2: The option vests in increments of one-third annually beginning on the first anniversary of the date of grant.