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  4. [Form 4] LITTELFUSE INC /DE Insider Trading Activity

Littelfuse (LFUS) SVP uses 222 shares to satisfy tax obligations

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Littelfuse Inc. SVP & GM Transportation Bus. David Ruppel reported routine tax-withholding transactions, not open-market sales. On April 24, 2026, a total of 222 shares of Littelfuse common stock were disposed of at $407.14 per share to cover tax obligations triggered by the vesting of restricted stock units and dividend equivalent units, as described in the footnotes.

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Insider Ruppel David
Role SVP & GM Transportation Bus.
Type Security Shares Price Value
Tax Withholding Common Stock 2 $407.14 $814.28
Tax Withholding Common Stock 220 $407.14 $90K
Holdings After Transaction: Common Stock — 5,986 shares (Direct, null)
Footnotes (1)
  1. Closing price per share on the trading date of the vesting of dividend equivalent units or on the next preceding trading date if the vesting occurs on a non-trading date. 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.
Tax-withholding lot 220 shares at $407.14 Common Stock, tax-withholding disposition on April 24, 2026
Additional tax-withholding lot 2 shares at $407.14 Common Stock, tax-withholding disposition on April 24, 2026
Total tax-withholding shares 222 shares Aggregate F-code dispositions for tax liabilities
Reference share price $407.14 per share Closing price used for valuing vesting equity awards
tax-withholding disposition financial
"transaction_action: "tax-withholding disposition" for Common Stock entries"
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
restricted stock units financial
"vesting of restricted stock units or on the next preceding trading date"
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 equivalent units financial
"vesting of dividend equivalent units or on the next preceding trading date"
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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)
Director10% Owner
XOfficer (give title below)Other (specify below)
SVP & GM Transportation Bus.
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/24/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock04/24/2026F2D$407.14(1)5,986D
Common Stock04/24/2026F220D$407.14(2)5,766D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Closing price per share on the trading date of the vesting of dividend equivalent units or on the next preceding trading date if the vesting occurs on a non-trading date.
2. 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.
Remarks:
/s/Ryan K. Stafford, Power of Attorney04/28/2026
** Signature of Reporting PersonDate
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

FAQ

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

David Ruppel reported share dispositions strictly for tax withholding purposes. A total of 222 Littelfuse common shares were delivered back at $407.14 per share when equity awards vested, rather than sold in the open market.

How many Littelfuse (LFUS) shares were used for tax withholding and at what price?

The filing shows 222 shares of Littelfuse common stock used for tax withholding, split into lots of 220 and 2 shares, each valued at $407.14 per share based on the closing price on the relevant trading date.

Was this Littelfuse (LFUS) Form 4 an open-market sale by the SVP?

No, the Form 4 reflects a tax-withholding disposition, not an open-market sale. The code “F” and the description confirm shares were surrendered to cover tax liabilities tied to vesting equity awards, rather than voluntarily sold into the market.

What role does the insider in this Littelfuse (LFUS) Form 4 hold?

The reporting person, David Ruppel, serves as SVP & GM Transportation Bus. at Littelfuse. His Form 4 details how a portion of his equity compensation was used to satisfy tax obligations when those awards vested.

What do the footnotes in this Littelfuse (LFUS) Form 4 explain?

The footnotes explain that the $407.14 price is the closing share price on the trading date, or the preceding trading date, for vesting of restricted stock units and dividend equivalent units, clarifying how the valuation for the tax-withholding shares was determined.