Littelfuse director adds 61 shares via dividends

Littelfuse director Anthony Grillo accrued a small number of additional shares through dividend reinvestment and dividend equivalents, not open-market purchases.

Available on EDGAR 09/08/2026 - 04:03 PM EDT Accepted by SEC EDGAR 09/08/2026 - 04:02 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

LITTELFUSE INC /DE (LFUS) director Anthony Grillo reported acquiring small additional positions in common stock on September 3, 2026 through company-related dividend programs. He received 58 shares via reinvestment of dividends in a deferred compensation plan and 3 shares as dividend-equivalent accruals on unvested restricted stock units, each based on a price reported as $414.24 per share. No Rule 10b5-1 trading plan is reported.

Insider Trade Summary

Grant/Award: 61 shares

Grant/Award 2 txns

Insider GRILLO ANTHONY

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	58	$414.24	$24K
Grant/Award	Common Stock F2	3	$414.24	$1K

Holdings After Transaction: Common Stock — 64,989 shares (Direct)

Holdings Before and After: Common Stock, 64,928 to 64,989 shares (Direct)

Footnotes (2)

1. F1. Represents shares acquired pursuant to reinvestment of dividends on shares held pursuant to a deferred compensation plan.
2. F2. Represents shares accrued as payment of dividends on unvested restricted stock units.

Key Figures

Shares acquired via dividend reinvestment: 58 shares Shares accrued as RSU dividend equivalents: 3 shares Reported price per share: $414.24 per share

3 metrics

Shares acquired via dividend reinvestment 58 shares Common stock acquired on September 3, 2026 through deferred compensation plan dividend reinvestment

Shares accrued as RSU dividend equivalents 3 shares Common stock accrued on September 3, 2026 as dividends on unvested restricted stock units

Reported price per share $414.24 per share Price reported for both September 3, 2026 acquisitions

Key Terms

deferred compensation plan, restricted stock units, dividend reinvestment

3 terms

deferred compensation plan financial

"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

"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.

dividend reinvestment financial

"shares acquired pursuant to reinvestment of dividends on shares held"

Dividend reinvestment is when the money earned from a company's profit sharing, called dividends, is automatically used to buy more shares of that company instead of being received as cash. This process helps investors grow their holdings over time without extra effort, much like using earned interest to buy more of a savings account. It encourages long-term investment growth by continuously increasing the amount of shares owned.

FAQ

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

What insider transactions did LFUS director Anthony Grillo report?

He reported two acquisitions of Littelfuse common stock on September 3, 2026: 58 shares via dividend reinvestment in a deferred compensation plan and 3 shares as dividend-equivalent accruals on unvested restricted stock units, both using a price reported as $414.24 per share.

Were Anthony Grillo’s LFUS transactions open-market purchases or sales?

They were not open-market trades. The filing describes grant/award acquisitions: shares from dividend reinvestment in a deferred compensation plan and from dividends on unvested restricted stock units, with no reported sales.

How many Littelfuse (LFUS) shares did Anthony Grillo acquire through dividend reinvestment?

He acquired 58 shares of Littelfuse common stock, described as shares acquired pursuant to reinvestment of dividends on shares held under a deferred compensation plan, at a price reported as $414.24 per share for reporting purposes.

What did the Form 4 report for dividend equivalents on LFUS restricted stock units?

The Form 4 reports 3 shares of Littelfuse common stock accrued as payment of dividends on unvested restricted stock units, using a price reported as $414.24 per share in the filing for those dividend-equivalent shares.

Was a Rule 10b5-1 trading plan involved in Anthony Grillo’s LFUS transactions?

No. The Form 4 indicates the Rule 10b5-1 checkbox is not checked, and there is no footnote stating that these acquisitions were made pursuant to any Rule 10b5-1 trading plan or similar pre-arranged trading arrangement.

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

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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^*

GRILLO ANTHONY

(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)
09/03/2026

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	09/03/2026		A		58(1)	A	$414.24	64,986	D
Common Stock	09/03/2026		A		3(2)	A	$414.24	64,989	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 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.

Remarks:

	/s/Anne-Marie D'Angelo, Power of Attorney	09/08/2026
	** 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)