[Form 4] Littelfuse Inc Insider Trading Activity

Rhea-AI Filing Summary

Insider purchase recorded by Littelfuse (LFUS). Ryan K. Stafford, Executive Vice President, Chief Legal Officer and Corporate Secretary, is reported to have acquired 30,740 shares of Littelfuse common stock on 09/05/2025 at a price of $259.58 per share. The filing states these shares represent dividends paid on unvested restricted stock units. After the transaction, Stafford beneficially owns 30,740 shares in a direct ownership form. The Form 4 was submitted under Power of Attorney by Mark J. Reyes on 09/08/2025. No other transactions, derivative positions, or additional contextual financial data are provided in this filing.

Positive

• Disclosure clarity: The Form 4 explicitly states the transaction was dividend payment on unvested RSUs, providing clear rationale for the acquisition.
• Timely reporting: The filing indicates a Power of Attorney submission on 09/08/2025, showing the transaction was reported within the expected Section 16 timeframe.

Negative

• None.

Insights

Securities Analyst

Routine insider acquisition tied to dividend payment on unvested RSUs; not a market-moving event by itself.

The Form 4 discloses a non-derivative acquisition of 30,740 Littelfuse shares by a senior executive at $259.58 per share, explicitly described as shares accrued from dividends on unvested restricted stock units. This is an administrative conversion of compensation-related equity rather than an open-market purchase for discretionary investment. For investors, such transactions signal continued executive participation in equity compensation programs but do not provide directional insight into company performance. The filing lacks information on prior holdings, total outstanding insider position relative to prior filings, or any derivative activity, limiting deeper assessment of intent or magnitude.

Corporate Governance Expert

Disclosure aligns with typical Section 16 reporting for compensation-related equity; no governance red flags disclosed.

The report clarifies the nature of the acquisition as dividend accrual on unvested RSUs, which is consistent with routine equity compensation mechanics. The Form 4 is filed by a single reporting person and executed via Power of Attorney, which is common for timeliness. There are no indications of accelerated vesting, outside agreements, or linked derivative transactions in the filing text. From a governance perspective, the disclosure appears complete for the specific event described, but additional context (e.g., total outstanding shareholdings or prior Form 4 history) would be needed to evaluate concentration or alignment with long-term shareholder interests.

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
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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^*

Stafford Ryan K

(Last) (First) (Middle)

6133 NORTH RIVER ROAD, SUITE 500

(Street)

ROSEMONT IL 60018

(City) (State) (Zip)

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)
	Executive VP, CLO & Corp Sec

3. Date of Earliest Transaction (Month/Day/Year)
09/05/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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	09/05/2025		A		13(1)	A	$259.58	30,740	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 accrued as payment of dividends on unvested restricted stock units.

	Mark J. Reyes, Power of Attorney	09/08/2025
	** 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.

FAQ

What transaction did Ryan K. Stafford report on Form 4 for LFUS?

The filing reports an acquisition of 30,740 shares of Littelfuse common stock on 09/05/2025 at $259.58 per share.

Why were the 30,740 shares issued to the reporting person?

The report states the shares represent dividends paid on unvested restricted stock units.

What is Ryan K. Stafford's role at Littelfuse as shown on the filing?

The filing lists Stafford as Executive VP, Chief Legal Officer & Corporate Secretary.

How was the Form 4 filed and who signed it?

The Form 4 was filed by one reporting person and submitted under Power of Attorney by Mark J. Reyes on 09/08/2025.

Does the Form 4 show any derivative transactions or dispositions?

No. The filing only reports a non-derivative acquisition; there are no derivative transactions or dispositions disclosed.