LITTELFUSE INC /DE — Director's Dealing 2021

May 10, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LITTELFUSE INC /DE (LFUS)
CIK: 0000889331
Period of Report: 2021-05-07

Reporting Person: FU CARY T (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-07	Common Stock	M	945	$154.15	Acquired	5092	Direct
2021-05-07	Common Stock	M	1200	$120.15	Acquired	6292	Direct
2021-05-07	Common Stock	S	945	$264.00	Disposed	5347	Direct
2021-05-07	Common Stock	S	1200	$263.50	Disposed	4147	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-05-07	Stock Option (right to buy)	$154.15	M	945	Disposed	2024-04-28	Common Stock (945)	Direct
2021-05-07	Stock Option (right to buy)	$120.15	M	1200	Disposed	2023-04-22	Common Stock (1200)	Direct

Footnotes

F1: The option for 945 shares vested in increments of one third annually beginning on the first anniversary of the April 28, 2017 date of grant.

F2: The option for 1,200 shares vested in increments of one third annually beginning on the first anniversary of the April 22, 2016 date of grant.