Maggie Chu - 04 Feb 2026 Form 4 Insider Report for LITTELFUSE INC /DE (LFUS)

Role
SVP, CHRO
Signature
/s/Ryan K. Stafford, Power of Attorney
Issuer symbol
LFUS
Transactions as of
04 Feb 2026
Net transactions value
-$131,822
Form type
4
Filing time
05 Feb 2026, 16:07:38 UTC
Previous filing
08 Dec 2025
Next filing
09 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Chu Maggie SVP, CHRO 6133 NORTH RIVER ROAD, SUITE 500, ROSEMONT /s/Ryan K. Stafford, Power of Attorney 05 Feb 2026 0001872974

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction LFUS Common Stock Options Exercise $541,528 +2,061 +31% $262.75 8,780 04 Feb 2026 Direct
transaction LFUS Common Stock Sale $673,349 -2,061 -23% $326.71 6,719 04 Feb 2026 Direct F1

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 -2,061 -100% $0.000000 0 04 Feb 2026 Common Stock 2,061 $262.75 Direct F2
* 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 $326.68 to $327.40, 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 option for 2,061 shares vests in increments of one third annually beginning on the first anniversary of the June 1, 2021 date of grant.