Deepak Nayar - 02 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
02 Feb 2026
Net transactions value
-$600,556
Form type
4
Filing time
04 Feb 2026, 16:44:09 UTC
Previous filing
08 Dec 2025
Next filing
09 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Nayar Deepak SVP & GM Electronics Business 6133 NORTH RIVER ROAD, SUITE 500, ROSEMONT /s/Ryan K. Stafford, Power of Attorney 04 Feb 2026 0001526287

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction LFUS Common Stock Options Exercise $1,151,712 +4,300 +72% $267.84 10,309 02 Feb 2026 Direct
transaction LFUS Common Stock Options Exercise $1,101,477 +4,575 +44% $240.76 14,884 02 Feb 2026 Direct
transaction LFUS Common Stock Sale $39,060 -120 -0.81% $325.50 14,764 02 Feb 2026 Direct
transaction LFUS Common Stock Sale $103,789 -320 -2.2% $324.34 14,444 02 Feb 2026 Direct F1
transaction LFUS Common Stock Sale $207,687 -642 -4.4% $323.50 13,802 02 Feb 2026 Direct F2
transaction LFUS Common Stock Sale $775,622 -2,406 -17% $322.37 11,396 02 Feb 2026 Direct F3
transaction LFUS Common Stock Sale $516,795 -1,608 -14% $321.39 9,788 02 Feb 2026 Direct F4
transaction LFUS Common Stock Sale $1,210,792 -3,779 -39% $320.40 6,009 02 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 -4,300 -100% $0.000000 0 02 Feb 2026 Common Stock 4,300 $267.84 Direct F6
transaction LFUS Stock Option (right to buy) Options Exercise $0 -4,575 -67% $0.000000 2,287 02 Feb 2026 Common Stock 4,575 $240.76 Direct F7
* 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 $324.17 to $324.60, 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 $323.00 to $323.85, 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 $322.01 to $322.94, 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 $321.03 to $321.98, 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 $320.00 to $320.89, 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 4,300 shares vested in increments of one third annually beginning on the first anniversary of the April 22, 2021 date of grant.
F7 The option for 6,862 shares vested in increments of one third annually beginning on the first anniversary of the April 27, 2023 date of grant.