Littelfuse (LFUS) officer sells 1,389 shares and exercises 689 options

Rhea-AI Filing Summary

Littelfuse senior vice president and chief accounting officer Jeffrey G. Gorski reported a mix of option exercise and share sales. He exercised options for 689 shares of common stock at a strike price of $166.63 per share and then sold a total of 1,389 shares in open‑market transactions at weighted average sale prices around $482–$483 per share, according to the filing’s detailed price ranges. These transactions reflect both an increase in directly held shares through the option exercise and a net reduction in his position through the subsequent sales.

Insights

Equity analyst

Routine option exercise paired with modest open‑market sales.

Senior executive Jeffrey G. Gorski exercised stock options for 689 Littelfuse shares at a strike price of $166.63, converting a derivative award into common stock. On the same date, he sold 1,389 shares in open‑market trades at weighted average prices in the low $480s.

The filing shows a net share disposition of 1,389 shares, while all 689 options tied to this grant were fully exercised, leaving no remaining derivative position from that award. The scale appears limited to thousands of shares, suggesting a personal liquidity move rather than a transformational change in ownership.

Insider Trade Summary

Net Seller: 1,389 shares ($670,163)

Net Sell 4 txns

Insider Gorski Jeffrey G

Role SVP & Chief Accounting Officer

Sold 1,389 shs ($670K)

Type	Security	Shares	Price	Value
Exercise	Stock Option (right to buy)	689	$0.00	--
Exercise	Common Stock	689	$166.63	$115K
Sale	Common Stock	247	$483.26	$119K
Sale	Common Stock	1,142	$482.31	$551K

Holdings After Transaction: Stock Option (right to buy) — 0 shares (Direct, null); Common Stock — 7,013 shares (Direct, null)

Footnotes (1)

1. The shares were sold in multiple transactions at prices ranging from $482.95 to $483.61, inclusive. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. The shares were sold in multiple transactions at prices ranging from $481.82 to $482.80, inclusive. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. The option for 6,689 shares vested in increments of one third annually beginning on the first anniversary of the July 10, 2020 date of grant.

Key Figures

Shares sold: 1,389 shares Sale price (first block): $482.31 per share Sale price (second block): $483.26 per share +3 more

6 metrics

Shares sold 1,389 shares Total Littelfuse common shares sold in open-market transactions

Sale price (first block) $482.31 per share Reported transaction price for 1,142-share sale

Sale price (second block) $483.26 per share Reported transaction price for 247-share sale

Options exercised 689 shares Common shares acquired via option exercise

Option strike price $166.63 per share Exercise price for stock option converted into common shares

Original option size 6,689 shares Option grant size vesting annually from July 10, 2020

Key Terms

open-market sale, Stock Option (right to buy), weighted average sale price, derivative exercise/conversion, +1 more

5 terms

open-market sale financial

"transaction_action is described as an open-market sale of common stock"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Stock Option (right to buy) financial

"security_title lists Stock Option (right to buy) as a derivative security"

weighted average sale price financial

"footnotes state that reported prices represent the weighted average sale price"

derivative exercise/conversion financial

"transaction_action describes the M code as derivative exercise/conversion"

vesting financial

"footnote explains the option vested in one-third increments annually"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

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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)
06/18/2026

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	06/18/2026		M		689	A	$166.63	7,013	D
Common Stock	06/18/2026		S		247	D	$483.26(1)	6,766	D
Common Stock	06/18/2026		S		1,142	D	$482.31(2)	5,624	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
Stock Option (right to buy)	$166.63	06/18/2026		M			689	(3)	07/10/2027	Common Stock	689	$0	0	D

Explanation of Responses:

1. The shares were sold in multiple transactions at prices ranging from $482.95 to $483.61, inclusive. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

2. The shares were sold in multiple transactions at prices ranging from $481.82 to $482.80, inclusive. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

3. The option for 6,689 shares vested in increments of one third annually beginning on the first anniversary of the July 10, 2020 date of grant.

Remarks:

	/s/Anne-Marie D'Angelo, Power of Attorney	06/18/2026
	** 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) executive Jeffrey G. Gorski report in this Form 4?

Jeffrey G. Gorski reported exercising stock options for 689 Littelfuse shares and selling 1,389 shares in open‑market transactions. The filing details strike and sale prices, showing a combination of equity compensation use and partial share liquidation on the same date.

How many Littelfuse (LFUS) shares did the officer sell and at what prices?

The officer sold 1,389 Littelfuse common shares in open‑market trades. Reported weighted average sale prices were about $482–$483 per share, with footnotes describing transaction price ranges between $481.82 and $483.61 across multiple trades executed that day.

What stock options did the Littelfuse (LFUS) officer exercise in this transaction?

He exercised options covering 689 Littelfuse common shares at a strike price of $166.63 per share. A footnote explains the original option covered 6,689 shares and vested in three annual installments beginning on the first anniversary of the July 10, 2020 grant date.

Does this Littelfuse (LFUS) Form 4 show remaining derivative positions after the exercise?

The Form 4 indicates all 689 options tied to this specific grant were exercised, reducing that option position to zero. The derivative position table is empty afterward, suggesting no remaining derivatives from this particular award are shown in the filing excerpt.

Were the Littelfuse (LFUS) share sales made in a single trade or multiple trades?

The sales were executed in multiple trades, not a single transaction. Footnotes state shares were sold in numerous trades within price ranges of $481.82–$482.80 and $482.95–$483.61, with the reported prices representing weighted average sale prices for those grouped transactions.