Semtech Corp (SMTC) director sells 500 shares under Rule 10b5-1 plan

Rhea-AI Filing Summary

Semtech Corp director Paul V. Walsh Jr. sold 500 shares of Common Stock on July 22, 2026, at $133.07 per share in an open market or private transaction pursuant to a Rule 10b5-1 trading plan adopted July 9, 2025, and now holds 27,600 shares directly.

Insider Trade Summary 10b5-1

Net Seller: 500 shares

Net Sell 1 txn

Insider Walsh Paul V Jr

Role Director

Sold 500 shs ($67K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	500	$133.07	$67K

Holdings After Transaction: Common Stock — 27,600 shares (Direct)

Footnotes (1)

1. F1. This transaction is pursuant to a Rule 10b5-1 trading plan adopted by Mr. Walsh on July 9, 2025.

Key Figures

Shares sold: 500 shares Sale price: $133.07 per share Shares owned after sale: 27,600 shares +2 more

5 metrics

Shares sold 500 shares Common Stock sale by director Paul V. Walsh Jr. on July 22, 2026

Sale price $133.07 per share Price for the 500-share Common Stock sale on July 22, 2026

Shares owned after sale 27,600 shares Direct Common Stock ownership of Paul V. Walsh Jr. following the transaction

Transaction date July 22, 2026 Date of reported Common Stock sale by the Semtech director

10b5-1 plan adoption date July 9, 2025 Adoption date of Rule 10b5-1 trading plan governing the reported sale

Key Terms

Rule 10b5-1 trading plan, open market or private transaction, Common Stock

3 terms

Rule 10b5-1 trading plan financial

"This transaction is pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

open market or private transaction financial

"Sale in open market or private transaction"

Common Stock financial

"security_title: Common Stock"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/24/2026 - 04:03 PM Accepted by SEC EDGAR 07/24/2026 - 04:01 PM Learn about SEC filing dates

FAQ

What insider transaction did Semtech (SMTC) report for Paul V. Walsh Jr.?

Semtech reported that director Paul V. Walsh Jr. sold 500 shares of Common Stock on July 22, 2026 at $133.07 per share under a Rule 10b5-1 trading plan, leaving him with 27,600 shares held directly.

How many Semtech (SMTC) shares did Paul V. Walsh Jr. sell and at what price?

Paul V. Walsh Jr. sold 500 Semtech Common Stock shares at an average price of $133.07 per share. The transaction occurred on July 22, 2026 and is characterized as a sale in an open market or private transaction.

How many Semtech (SMTC) shares does Paul V. Walsh Jr. own after this Form 4 transaction?

Following the reported sale, Paul V. Walsh Jr. directly owns 27,600 Semtech Common Stock shares. This post-transaction holding reflects his remaining direct ownership after disposing of 500 shares on July 22, 2026 under the trading plan.

Was the Semtech (SMTC) insider sale by Paul V. Walsh Jr. under a Rule 10b5-1 plan?

Yes. The filing notes the transaction was executed pursuant to a Rule 10b5-1 trading plan adopted by Paul V. Walsh Jr. on July 9, 2025. Such plans pre-schedule trades, reducing the significance of short-term timing for information inferences.

What is the date of Paul V. Walsh Jr.’s Rule 10b5-1 trading plan for Semtech (SMTC)?

The Rule 10b5-1 trading plan covering this transaction was adopted on July 9, 2025. The subsequent sale of 500 shares at $133.07 per share on July 22, 2026 was executed pursuant to that pre-established plan.

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 CALIFORNIA 93012

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/22/2026

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	07/22/2026		S(1)		500	D	$133.07	27,600	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. This transaction is pursuant to a Rule 10b5-1 trading plan adopted by Mr. Walsh on July 9, 2025.

Remarks:

	/s/Paul V. Walsh Jr. by Mark Lin under Power of Attorney dated October 6, 2023 (Copy On File)	07/24/2026
	** 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)