Littelfuse (LFUS) CAO receives 573-share restricted stock grant under incentive plan

Rhea-AI Filing Summary

Littelfuse senior vice president and chief accounting officer Jeffrey G. Gorski received an equity grant in the form of restricted stock units. He was awarded 573 shares of common stock at no cash cost to him, classified as a grant or award acquisition. The award was made under the Littelfuse/IXYS Corporation Long-Term Incentive Plan and vests in one-third increments annually starting on the first anniversary of the grant date. Following this grant, Gorski directly holds 7,006 shares of Littelfuse common stock, reflecting a routine compensation-related increase in his equity stake.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Gorski Jeffrey G

Role SVP & Chief Accounting Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	573	$0.00	--

Holdings After Transaction: Common Stock — 7,006 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

RSU grant size: 573 shares Grant price per share: $0.00 per share Shares held after grant: 7,006 shares +1 more

4 metrics

RSU grant size 573 shares Restricted stock units granted on April 22, 2026

Grant price per share $0.00 per share Compensation-related equity grant, not open-market purchase

Shares held after grant 7,006 shares Total Littelfuse common stock directly owned after transaction

Vesting schedule One-third annually RSUs vest in three equal installments starting one year after grant

Key Terms

restricted stock units, Long-Term Incentive Plan, vests in increments of one-third annually, grant, award, or other acquisition

4 terms

restricted stock units financial

"Represents the grant of restricted stock units to the reporting person pursuant to the Littelfuse/IXYS Corporation Long-Term Incentive Plan."

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.

Long-Term Incentive Plan financial

"Represents the grant of restricted stock units to the reporting person pursuant to the Littelfuse/IXYS Corporation Long-Term Incentive Plan."

A long-term incentive plan is a company program that pays executives or employees with stock, options, or cash tied to multi-year performance goals, where the rewards become theirs only after meeting conditions over time. Think of it as a delayed bonus or retirement-style reward that aligns employees’ interests with shareholders by encouraging them to boost long-term value; investors watch these plans because they affect pay costs, share dilution and management incentives.

vests in increments of one-third annually financial

"The grant vests in increments of one-third annually beginning on the first anniversary of the date of grant."

grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

Form 4 Insider Transactions: What Each Field Means →

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^*

Gorski Jeffrey G

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP & Chief Accounting Officer

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	04/22/2026		A		573(1)	A	$0	7,006	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 the grant of restricted stock units to the reporting person pursuant to the Littelfuse/IXYS Corporation Long-Term Incentive Plan. The grant vests in increments of one-third annually beginning on the first anniversary of the date of grant.

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)

FAQ

What did Littelfuse (LFUS) disclose about Jeffrey G. Gorski in this filing?

Littelfuse disclosed that Jeffrey G. Gorski, its SVP and Chief Accounting Officer, received a grant of 573 restricted stock units. These equity awards are part of his compensation and increase his direct holdings to 7,006 common shares.

How many Littelfuse (LFUS) shares did Jeffrey G. Gorski acquire?

Jeffrey G. Gorski acquired 573 shares of Littelfuse common stock through a restricted stock unit grant. The award carried a reported price of $0.00 per share, indicating a compensation-related grant rather than an open-market purchase.

How do the new restricted stock units for LFUS’s CAO vest over time?

The 573 restricted stock units granted to Littelfuse’s Chief Accounting Officer vest in three equal annual installments. Vesting begins on the first anniversary of the grant date, with one-third of the units becoming vested each year thereafter.

What is Jeffrey G. Gorski’s total Littelfuse (LFUS) shareholding after this grant?

After receiving the 573-share restricted stock unit grant, Jeffrey G. Gorski directly holds 7,006 Littelfuse common shares. This total reflects his updated ownership position following the April 22, 2026 compensation-related equity award.

Is the LFUS insider transaction an open-market buy or a compensation grant?

The LFUS insider transaction is a compensation grant, not an open-market buy. It is coded as a grant or award acquisition, with 573 restricted stock units issued at a reported price of $0.00 per share under a company long-term incentive plan.