[Form 4] SEMTECH CORP Insider Trading Activity

Rhea-AI Filing Summary

Semtech Corporation director reports small stock sale

A Semtech Corporation director reported selling 500 shares of common stock on 11/19/2025 at a price of $63.08 per share. After this transaction, the director beneficially owns 26,279 shares of Semtech common stock in direct form. The filing notes that the sale was made under a pre-arranged Rule 10b5-1 trading plan that was adopted on July 9, 2025, which is designed to allow insiders to trade stock according to a preset schedule.

Insider Trade Summary

Net Seller: 500 shares

Net Sell 1 txn

Insider Walsh Paul V Jr

Role Director

Sold 500 shs ($32K)

Type	Security	Shares	Price	Value
Sale	Common Stock	500	$63.08	$32K

Holdings After Transaction: Common Stock — 26,279 shares (Direct)

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 11/21/2025 - 04:05 PM Learn about SEC filing dates

FAQ

What insider transaction did Semtech (SMTC) report in this Form 4?

A Semtech director reported selling 500 shares of Semtech common stock on 11/19/2025 at a price of $63.08 per share.

How many Semtech (SMTC) shares does the insider own after the sale?

Following the reported transaction, the director beneficially owns 26,279 shares of Semtech common stock, held directly.

What is the relationship of the reporting person to Semtech (SMTC)?

The reporting person is identified as a Director of Semtech Corporation and is not indicated as a 10% owner in this filing.

Was the Semtech (SMTC) stock sale made under a Rule 10b5-1 plan?

Yes. The remarks state that the transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Mr. Walsh on July 9, 2025.

Does this Semtech (SMTC) Form 4 involve any derivative securities?

The section for derivative securities is included in the form, but no derivative transactions are reported in the provided content.

Is the Semtech (SMTC) Form 4 filed by one or multiple reporting persons?

The form indicates it is filed by one reporting person, not by a group or multiple insiders.

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).

X

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^*

Walsh Paul V Jr

(Last) (First) (Middle)

200 FLYNN RD.

(Street)

CAMARILLO CA 93012

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SEMTECH CORP [ SMTC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
11/19/2025

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	11/19/2025		S		500	D	$63.08	26,279	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:

Remarks:

This transaction is pursuant to a Rule 10b5-1 trading plan adopted by Mr. Walsh on July 9, 2025.

	/s/Paul V. Walsh Jr. by Mark Lin under Power of Attorney dated October 6, 2023 (Copy On File)	11/21/2025
	** 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.