Littelfuse (LFUS) director Kristina Cerniglia gains dividend-based stock award

Rhea-AI Filing Summary

Littelfuse director Kristina A. Cerniglia reported a small share acquisition through a Form 4 filing. On the reported date, she acquired 2 shares of Littelfuse common stock at a price of $323.58 per share as a grant or award.

According to the footnote, these shares represent stock accrued as payment of dividends on her unvested restricted stock units, rather than an open-market purchase. Following this transaction, she directly owns 4,257 shares of Littelfuse common stock.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Cerniglia Kristina A.

(Last) (First) (Middle)

6133 NORTH RIVER ROAD, SUITE 500

(Street)

ROSEMONT IL 60018

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
LITTELFUSE INC /DE [ LFUS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
03/05/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/05/2026		A		2(1)	A	$323.58	4,257	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares accrued as payment of dividends on unvested restricted stock units.

Remarks:

	/s/Ryan K. Stafford, Power of Attorney	03/09/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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FAQ

What insider transaction did LFUS director Kristina A. Cerniglia report?

Kristina A. Cerniglia reported acquiring 2 shares of Littelfuse common stock. The acquisition was recorded as a grant or award at $323.58 per share, tied to dividend payments on her unvested restricted stock units rather than an open-market purchase.

How many Littelfuse (LFUS) shares does Kristina A. Cerniglia own after this Form 4?

After the reported transaction, Kristina A. Cerniglia directly owns 4,257 shares of Littelfuse common stock. This total includes the 2 shares accrued as stock dividends on her unvested restricted stock units, as disclosed in the Form 4 filing and related footnote.

Was the LFUS insider transaction an open-market buy or a stock award?

The transaction was a stock award, not an open-market buy. The Form 4 lists the code as a grant or other acquisition, and the footnote clarifies the 2 shares were accrued as payment of dividends on unvested restricted stock units held by Kristina A. Cerniglia.

What price per share was reported in the LFUS Form 4 for Cerniglia’s acquisition?

The Form 4 reports a price of $323.58 per share for the 2 Littelfuse common shares. This reflects the value used for the stock accrued as dividend payment on Kristina A. Cerniglia’s unvested restricted stock units under the company’s compensation arrangements.

What does the dividend-related footnote mean in the LFUS Form 4 filing?

The footnote explains that the 2 acquired shares represent dividends paid in stock on unvested restricted stock units. Instead of receiving cash, Kristina A. Cerniglia received Littelfuse shares credited to her account, consistent with the company’s equity compensation structure.