LFUS Form 144: Insider plans sale of 2,343 common shares

LFUS reports a Form 144 notice indicating proposed sales of common shares acquired on exercise of stock options, with transactions recorded as cash sales on 02/24/2026.

Rhea-AI Filing Summary

LFUS reports a Form 144 notice indicating proposed sales of common shares acquired on exercise of stock options, with transactions recorded as cash sales on 02/24/2026. The filing lists option exercise dates of 04/26/2019 and 04/23/2020 and quantities of 911 and 1,432 shares.

Insights

Securities Compliance Attorney

Form 144 notifies a planned sale of shares acquired via option exercises.

The filing lists two option exercise origins dated 04/26/2019 and 04/23/2020 and identifies proposed cash sales dated 02/24/2026. Quantities shown are 911 and 1,432 shares respectively.

These entries are procedural: Form 144 is a notice required for restricted or control-person resale; actual sale completion and trade details will appear in subsequent broker reports or Form 4/Form 5 filings.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does LFUS Form 144 disclose?

The filing discloses proposed cash sales of common shares acquired from option exercises. It lists exercise dates 04/26/2019 and 04/23/2020 and sale date 02/24/2026, with quantities 911 and 1,432 shares.

Does the Form 144 confirm the sales were completed for LFUS?

No; Form 144 is a notification of intended resale by related persons. Completion and trade execution details would be reported separately in broker records or subsequent SEC forms such as Form 4 or Form 5.

Who appears to be selling LFUS shares?

The filing references common shares tied to stock option exercises and a brokerage entry showing a Merrill address. It does not name an individual; the record shows the transactions as cash sales on 02/24/2026.

How many LFUS shares are listed for proposed sale?

The Form 144 shows two line items of shares tied to option exercises: 911 shares (exercise dated 04/26/2019) and 1,432 shares (exercise dated 04/23/2020), with a sale date of 02/24/2026.

Will these Form 144 sales affect LFUS outstanding share count?

The filing does not state outstanding share totals or dilution effects. It lists only the proposed resale quantities; any impact on outstanding shares depends on whether and when the trades settled and will be reflected in subsequent public reports.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/24/2026 - 04:08 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001614437
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Littelfuse, Inc.
SEC File Number	000-20388
Address of Issuer	6133 North River Road Ste 500 Rosemont ILLINOIS 60018
Phone	7736281000
Name of Person for Whose Account the Securities are To Be Sold	Kristina Cerniglia
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Merrill 8890 Lyra Dr 5th Floor Columbus OH 43240	2343	863114.34	24901687	02/24/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	04/26/2019	Stock Option Exercise	Littlefuse			911	02/24/2026	Cash
Common	04/23/2020	Stock Option Exercise	Littlefuse			1432	02/24/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	02/24/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/17/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Kristina Cerniglia
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)