Dividend awards lift Littelfuse (LFUS) director Noglows’ holdings slightly

Rhea-AI Filing Summary

NOGLOWS WILLIAM P reported acquisition or exercise transactions in this Form 4 filing.

Littelfuse director William P. Noglows reported small, compensation-related share increases rather than open-market trades. On 2026-06-04, he received two separate grants of 3 shares of common stock each at $480.2400 per share, reflecting dividend reinvestment and dividend equivalents on unvested restricted stock units. After these awards, he directly holds 22,182 shares of Littelfuse common stock. Footnotes show an additional 2,500 shares held indirectly in trusts for the benefit of his son and daughter, indicating family-related indirect ownership rather than trading activity.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider NOGLOWS WILLIAM P

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	3	$480.24	$1K
Grant/Award	Common Stock	3	$480.24	$1K
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 22,179 shares (Direct, null); Common Stock — 2,500 shares (Indirect, By Trust)

Footnotes (1)

1. Represents shares acquired pursuant to reinvestment of dividends on shares held pursuant to a deferred compensation plan. Represents shares accrued as payment of dividends on unvested restricted stock units. Shares held in trust for the benefit of the reporting person's son. Shares held in trust for the benefit of the reporting person's daughter.

Key Figures

Dividend-related share grant 1: 3 shares at $480.2400 Dividend-related share grant 2: 3 shares at $480.2400 Direct holdings after transactions: 22,182 shares +2 more

5 metrics

Dividend-related share grant 1 3 shares at $480.2400 Common stock grant/acquisition on 2026-06-04

Dividend-related share grant 2 3 shares at $480.2400 Common stock grant/acquisition on 2026-06-04

Direct holdings after transactions 22,182 shares Common stock directly owned following 2026-06-04 grants

Indirect trust holdings 2,500 shares Shares held in trusts for son and daughter

Acquire transactions count 2 transactions Grant/award or other acquisition events reported

Key Terms

deferred compensation plan, restricted stock units, indirect ownership, grant, award, or other acquisition

4 terms

deferred compensation plan financial

"Represents shares acquired pursuant to reinvestment of dividends on shares held pursuant to a deferred compensation plan."

A deferred compensation plan is an arrangement where an employer agrees to pay part of an employee’s pay or bonus at a later date instead of immediately, often to reduce current tax bills or to tie rewards to long-term performance. For investors it matters because these promises create future cash obligations and influence executive incentives and retention; they can affect a company’s reported liabilities, cash flow planning and the risk profile if the business faces financial trouble.

restricted stock units financial

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

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.

indirect ownership financial

"Shares held in trust for the benefit of the reporting person's son."

grant, award, or other acquisition financial

"transaction_code_description": "Grant, award, or other acquisition""

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/08/2026 - 04:11 PM Accepted by SEC EDGAR 06/08/2026 - 04:11 PM Learn about SEC filing dates

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^*

NOGLOWS WILLIAM P

(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)
06/04/2026

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	06/04/2026		A		3(1)	A	$480.24	22,179	D
Common Stock	06/04/2026		A		3(2)	A	$480.24	22,182	D
Common Stock								2,500	I	By Trust(3)
Common Stock								2,500	I	By Trust(4)

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 acquired pursuant to reinvestment of dividends on shares held pursuant to a deferred compensation plan.

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

3. Shares held in trust for the benefit of the reporting person's son.

4. Shares held in trust for the benefit of the reporting person's daughter.

Remarks:

Exhibit 24 - Power of Attorney

	/s/Anne-Marie D'Angelo, Power of Attorney	06/08/2026
	** 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) director William P. Noglows report in this Form 4?

He reported small, compensation-related share increases totaling 6 Littelfuse common shares. These came from dividend reinvestment and dividend equivalents on unvested restricted stock units, not from open-market stock purchases or sales.

How many Littelfuse (LFUS) shares does William P. Noglows hold after the reported transactions?

After the reported transactions, he directly holds 22,182 Littelfuse common shares. Footnotes also show 2,500 additional shares held indirectly in trusts for the benefit of his son and daughter, reflecting family-related indirect ownership.

Were the Littelfuse (LFUS) Form 4 transactions open-market buys or sells?

No, the transactions were not open-market buys or sells. They were coded as grants or other acquisitions, representing dividend reinvestment and dividend-equivalent shares on unvested restricted stock units, which are compensation-related adjustments.

What is the reported price for the Littelfuse (LFUS) dividend-related share acquisitions?

The reported price for each of the 3-share acquisitions is $480.2400 per share. This price is used for reporting the value of shares received through dividend reinvestment and dividend equivalents, rather than reflecting an open-market trade.

How many shares are held indirectly for William P. Noglows related to Littelfuse (LFUS)?

The filing shows 2,500 Littelfuse common shares held indirectly in trusts. Footnotes state these trusts are for the benefit of his son and daughter, indicating these are family-related holdings rather than directly controlled trading positions.