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: 2026-02-05

Reporting Person: Gorski Jeffrey G (SVP & Chief Accounting Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-05	Common Stock	M	3500	$166.63	Acquired	9933	Direct
2026-02-05	Common Stock	S	1170	$329.18	Disposed	8763	Direct
2026-02-05	Common Stock	S	1033	$330.14	Disposed	7730	Direct
2026-02-05	Common Stock	S	749	$330.98	Disposed	6981	Direct
2026-02-05	Common Stock	S	548	$332.21	Disposed	6433	Direct
2026-02-06	Common Stock	M	2500	$166.63	Acquired	8933	Direct
2026-02-06	Common Stock	S	60	$344.97	Disposed	8873	Direct
2026-02-06	Common Stock	S	2440	$346.94	Disposed	6433	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-05	Stock Option (right to buy)	$166.63	M	3500	Disposed	2027-07-10	Common Stock (3500)	Direct
2026-02-06	Stock Option (right to buy)	$166.63	M	2500	Disposed	2027-07-10	Common Stock (2500)	Direct

Footnotes

F1: The shares were sold in multiple transactions at prices ranging from $328.64 to $329.61, 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.

F2: The shares were sold in multiple transactions at prices ranging from $329.65 to $330.64, 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: The shares were sold in multiple transactions at prices ranging from $330.71 to $331.51, 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.

F4: The shares were sold in multiple transactions at prices ranging from $331.91 to $332.79, 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.

F5: The shares were sold in multiple transactions at prices ranging from $346.50 to $347.23, 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.

F6: The option for 6,689 shares vests in full on the third anniversary of the July 10, 2020 date of grant.