Semtech (NASDAQ: SMTC) director sells shares in preset trading plan

Rhea-AI Filing Summary

SEMTECH CORP (SMTC) director Paul V. Walsh Jr. reported a sale of 500 shares of Common Stock on August 19, 2026 at $135.48 per share in an open-market or private transaction. After this sale, he directly holds 27,100 shares. The trade was made pursuant to a Rule 10b5-1 trading plan adopted on July 9, 2025.

Insider Trade Summary 10b5-1

Net Seller: 500 shares

Net Sell 1 txn

Insider Walsh Paul V Jr

Role Director

Sold 500 shs ($68K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	500	$135.48	$68K

Holdings After Transaction: Common Stock — 27,100 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 of Common Stock Sale price per share: $135.48 per share Shares owned after transaction: 27,100 shares +2 more

5 metrics

Shares sold 500 shares of Common Stock Sale on August 19, 2026 by director Paul V. Walsh Jr.

Sale price per share $135.48 per share Open-market or private sale of SMTC Common Stock

Shares owned after transaction 27,100 shares Direct holdings of Paul V. Walsh Jr. following the sale

Rule 10b5-1 plan adoption date July 9, 2025 Trading plan under which the reported sale was made

Net shares sold 500 shares Net buy/sell direction in transaction summary is net-sell

Key Terms

Rule 10b5-1 trading plan, open market or private transaction, Form 4

3 terms

Rule 10b5-1 trading plan regulatory

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

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 market

"Sale in open market or private transaction"

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

What insider transaction did SMTC director Paul V. Walsh Jr. report?

He reported a sale of 500 shares of SEMTECH CORP (SMTC) Common Stock on August 19, 2026 in an open-market or private transaction at $135.48 per share, as disclosed in the Form 4.

What was the sale price per share in the latest SMTC Form 4?

The reported sale by Paul V. Walsh Jr. of SEMTECH CORP (SMTC) Common Stock was executed at a price of $135.48 per share, described as a sale in an open-market or private transaction.

How many SMTC shares does Paul V. Walsh Jr. hold after the reported sale?

Following the sale, Paul V. Walsh Jr. directly holds 27,100 shares of SEMTECH CORP (SMTC) Common Stock, as stated in the post-transaction holdings on the Form 4.

Was the SMTC insider sale made under a Rule 10b5-1 trading plan?

Yes. The Form 4 states the transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Paul V. Walsh Jr. on July 9, 2025, and the filing’s Rule 10b5-1 checkbox is affirmed.

How many SMTC shares were sold in the latest Form 4 filing?

The Form 4 for SEMTECH CORP (SMTC) reports that Paul V. Walsh Jr. sold 500 shares of Common Stock on August 19, 2026, with a net effect of 500 shares sold according to the transaction summary.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/21/2026 - 04:02 PM Accepted by SEC EDGAR 08/21/2026 - 04:01 PM Learn about SEC filing dates

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)
08/19/2026

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	08/19/2026		S(1)		500	D	$135.48	27,100	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)	08/21/2026
	** 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)