WILLIAM P. NOGLOWS - 04 Feb 2026 Form 4 Insider Report for LITTELFUSE INC /DE (LFUS)

Role
Director
Signature
/s/Ryan K. Stafford, Power of Attorney
Issuer symbol
LFUS
Transactions as of
04 Feb 2026
Net transactions value
+$181,508
Form type
4
Filing time
06 Feb 2026, 16:14:19 UTC
Previous filing
08 Dec 2025
Next filing
09 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
NOGLOWS WILLIAM P Director 6133 NORTH RIVER ROAD, SUITE 500, ROSEMONT /s/Ryan K. Stafford, Power of Attorney 06 Feb 2026 0001201094

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction LFUS Common Stock Options Exercise $181,508 +911 +4.4% $199.24 21,685 04 Feb 2026 Direct
holding LFUS Common Stock 2,500 04 Feb 2026 By Trust F1
holding LFUS Common Stock 2,500 04 Feb 2026 By Trust F2

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 -911 -100% $0.000000 0 04 Feb 2026 Common Stock 911 $199.24 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares held in trust for the benefit of the reporting person's son.
F2 Shares held in trust for the benefit of the reporting person's daughter.
F3 The option for 911 shares vested in increments of one third annually beginning on the first anniversary of the April 26, 2019 date of grant.