Jeffrey G. Gorski - 05 Feb 2026 Form 4 Insider Report for LITTELFUSE INC /DE (LFUS)

Signature
/s/Ryan K. Stafford, Power of Attorney
Issuer symbol
LFUS
Transactions as of
05 Feb 2026
Net transactions value
-$1,023,582
Form type
4
Filing time
06 Feb 2026, 16:56:18 UTC
Previous filing
15 Aug 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Gorski Jeffrey G SVP & Chief Accounting Officer 6133 NORTH RIVER ROAD, SUITE 500, ROSEMONT /s/Ryan K. Stafford, Power of Attorney 06 Feb 2026 0001685837

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction LFUS Common Stock Options Exercise $583,205 +3,500 +54% $166.63 9,933 05 Feb 2026 Direct
transaction LFUS Common Stock Sale $385,141 -1,170 -12% $329.18 8,763 05 Feb 2026 Direct F1
transaction LFUS Common Stock Sale $341,035 -1,033 -12% $330.14 7,730 05 Feb 2026 Direct F2
transaction LFUS Common Stock Sale $247,904 -749 -9.7% $330.98 6,981 05 Feb 2026 Direct F3
transaction LFUS Common Stock Sale $182,051 -548 -7.8% $332.21 6,433 05 Feb 2026 Direct F4
transaction LFUS Common Stock Options Exercise $416,575 +2,500 +39% $166.63 8,933 06 Feb 2026 Direct
transaction LFUS Common Stock Sale $20,698 -60 -0.67% $344.97 8,873 06 Feb 2026 Direct
transaction LFUS Common Stock Sale $846,534 -2,440 -27% $346.94 6,433 06 Feb 2026 Direct F5

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction LFUS Stock Option (right to buy) Options Exercise $0 -3,500 -52% $0.000000 3,189 05 Feb 2026 Common Stock 3,500 $166.63 Direct F6
transaction LFUS Stock Option (right to buy) Options Exercise $0 -2,500 -78% $0.000000 689 06 Feb 2026 Common Stock 2,500 $166.63 Direct F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.