Littelfuse exec withholds 168 shares for taxes

Littelfuse Inc. executive David Ruppel reported a code F disposition of 168 shares of common stock on August 14, 2026.

Rhea-AI Filing Summary

Littelfuse Inc. executive David Ruppel reported a code F disposition of 168 shares of common stock on August 14, 2026. The shares were delivered or withheld to pay the exercise price or tax liability, at a reference price of $457.57 per share, equal to the closing price on the vesting date of related restricted stock units. After this transaction and a one-share correction of previously overstated ownership, Ruppel beneficially owns 5,096 shares of Littelfuse common stock directly.

Insider Trade Summary

Exercise Price or Tax Liability: 168 shares

Exercise Price or Tax Liability 1 txn

Insider Ruppel David

Role SVP & GM Transportation Bus.

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock F1, F2	168	$457.57	$77K

Holdings After Transaction: Common Stock — 5,096 shares (Direct)

Footnotes (2)

1. F1. Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.
2. F2. The number of shares beneficially owned has been reduced to adjust for an overstatement of 1 share in a Form 4 filed on 6/8/2026.

Key Figures

Shares delivered/withheld: 168 shares Reference share price: $457.57 per share Shares owned after transaction: 5,096 shares +2 more

5 metrics

Shares delivered/withheld 168 shares Shares delivered or withheld for payment of exercise price or tax liability (code F)

Reference share price $457.57 per share Closing price on the trading date of vesting of restricted stock units

Shares owned after transaction 5,096 shares Total common shares beneficially owned directly following the reported transaction and 1-share correction

Exercise price or tax liability shares 168 shares Total shares involved in payment of exercise price or tax liability per transaction summary

Ownership correction 1 share Reduction in reported beneficial ownership to correct a prior overstatement

Key Terms

code F disposition, restricted stock units, beneficially owned, exercise price, +1 more

5 terms

code F disposition financial

"A code F disposition involves shares used for exercise price or tax liability"

restricted stock units financial

"Closing price per share on the trading date of the vesting of 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.

beneficially owned financial

"The number of shares beneficially owned has been reduced to adjust for an overstatement"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

exercise price financial

"Payment of exercise price or tax liability by delivering or withholding securities"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

tax liability financial

"Payment of exercise price or tax liability by delivering or withholding securities"

FAQ

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

What transaction did Littelfuse (LFUS) executive David Ruppel report on this Form 4?

David Ruppel reported a code F disposition of 168 shares of Littelfuse common stock. The shares were delivered or withheld to cover exercise price or tax liability associated with equity compensation, rather than an open-market purchase or sale.

At what price were the Littelfuse (LFUS) shares valued in David Ruppel’s reported transaction?

The 168 Littelfuse shares were valued at $457.57 per share, the closing price on the trading date of the vesting of related restricted stock units, or the preceding trading date if vesting occurred on a non-trading day.

How many Littelfuse (LFUS) shares does David Ruppel hold after this Form 4 transaction?

After the reported transaction and a one-share correction, David Ruppel beneficially owns 5,096 shares of Littelfuse common stock directly. This figure reflects an adjustment for a previously overstated holding in an earlier Form 4.

Was David Ruppel’s Littelfuse (LFUS) Form 4 transaction an open-market sale or purchase?

No, the transaction was a code F disposition, meaning 168 shares were delivered or withheld for payment of exercise price or tax liability. It was not reported as an open-market buy or sell transaction.

Did the Littelfuse (LFUS) Form 4 note any correction to David Ruppel’s prior reported holdings?

Yes. The Form 4 states that beneficially owned shares were reduced by 1 share to correct an overstatement in a Form 4 filed on June 8, 2026, aligning the current holding at 5,096 shares.

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

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Available on EDGAR 08/17/2026 - 04:07 PM Accepted by SEC EDGAR 08/17/2026 - 04:07 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^*

Ruppel David

(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 & GM Transportation Bus.

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/14/2026

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	08/14/2026		F		168	D	$457.57(1)	5,096(2)	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. Closing price per share on the trading date of the vesting of restricted stock units or on the next preceding trading date if the vesting occurs on a non-trading date.

2. The number of shares beneficially owned has been reduced to adjust for an overstatement of 1 share in a Form 4 filed on 6/8/2026.

Remarks:

	/s/Anne-Marie D'Angelo, Power of Attorney	08/17/2026
	** 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)