Is the 482-share transaction for Littelfuse (LFUS) a stock purchase or sale?

The 482-share transaction is an equity grant, not a market trade. It is coded as a grant or award acquisition, meaning the director received restricted stock units at no cash cost as part of compensation, instead of buying or selling shares on the open market.

Littelfuse director granted 482 restricted shares

Cerniglia Kristina A. reported acquisition or exercise transactions in this Form 4 filing.

Filing Impact

(Neutral)

Filing Sentiment

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Sentiment and the balance of points

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Form Type

Rhea-AI Filing Summary

Cerniglia Kristina A. reported acquisition or exercise transactions in this Form 4 filing.

Littelfuse, Inc. director Kristina A. Cerniglia received an equity grant of 482 shares of common stock as restricted stock units at no cash cost. This is a compensation-related award, not an open-market purchase or sale. Following the grant, she directly holds 4,739 common shares.

The restricted stock units were granted under the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan. The grant will vest in full on the earlier of the first anniversary of the grant date or the date of the company’s 2027 Annual Meeting of Stockholders, providing time-based alignment with board service.

Insider Trade Summary

Grant/Award: 482 shares

Grant/Award 1 txn

Insider Cerniglia Kristina A.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	482	$0.00	$0.00

Holdings After Transaction: Common Stock — 4,739 shares (Direct)

Footnotes (1)

F1. Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan, as amended. The grant vests in full on the earlier of (1) the first anniversary of the date of grant or (2) the date of the Company's 2027 Annual Meeting of Stockholders.

Key Figures

Equity grant size: 482 shares Grant price: $0.00 per share Post-grant holdings: 4,739 shares +1 more

4 metrics

Equity grant size 482 shares Restricted stock unit award to director

Grant price $0.00 per share Compensation grant, no cash paid

Post-grant holdings 4,739 shares Common stock directly owned after transaction

Vesting condition Earlier of 1-year anniversary or 2027 meeting Time-based vesting for restricted stock units

Key Terms

restricted stock units, Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan, Annual Meeting of Stockholders, Grant, award, or other acquisition

4 terms

restricted stock units financial

"Represents the grant of restricted stock units to the reporting person"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan financial

"pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan, as amended"

Annual Meeting of Stockholders financial

"the date of the Company's 2027 Annual Meeting of Stockholders"

Grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

FAQ

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

What did Littelfuse (LFUS) director Kristina Cerniglia report in this Form 4?

Kristina A. Cerniglia reported receiving 482 shares of Littelfuse common stock as restricted stock units. The award is a compensation grant under the company’s long-term incentive plan, rather than an open-market stock purchase or sale, and increases her direct holdings to 4,739 shares.

How many Littelfuse (LFUS) shares does Kristina Cerniglia own after this grant?

After the grant, Kristina A. Cerniglia directly holds 4,739 shares of Littelfuse common stock. This total reflects her position following the 482-share restricted stock unit award reported in the Form 4 and provides context for the relative size of the compensation grant.

When do Kristina Cerniglia’s Littelfuse restricted stock units vest?

The restricted stock units vest in full on the earlier of two dates: the first anniversary of the grant date or the date of Littelfuse’s 2027 Annual Meeting of Stockholders. This time-based vesting schedule ties the award to continued board service over that period.

Under what plan were the Littelfuse (LFUS) restricted stock units granted?

The 482 restricted stock units were granted under the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan. This plan governs equity-based compensation awards to eligible participants, including directors, aligning their interests with shareholders through time-vested stock-based incentives.

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

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Accepted by SEC EDGAR 04/24/2026 - 04:20 PM

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

ILLINOIS

60018

(City)

(State)

(Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/22/2026

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

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

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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	04/22/2026		A		482⁽¹⁾	A	$0	4,739	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Represents the grant of restricted stock units to the reporting person pursuant to the Amended and Restated Littelfuse, Inc. Long-Term Incentive Plan, as amended. The grant vests in full on the earlier of (1) the first anniversary of the date of grant or (2) the date of the Company's 2027 Annual Meeting of Stockholders.

Remarks:

	/s/Ryan K. Stafford, Power of Attorney	04/24/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR