Semtech (NASDAQ: SMTC) director trims stake with 500-share stock sale

Rhea-AI Filing Summary

Semtech Corp director Paul V. Jr Walsh sold 500 shares of common stock in an open-market transaction. The sale occurred on March 18, 2026 at an average price of $80.87 per share. After this transaction, he continues to hold 24,279 Semtech shares directly.

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

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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)
03/18/2026

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	03/18/2026		S		500	D	$80.87	24,279	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)	03/20/2026
	** 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 insider transaction did Semtech (SMTC) report for Paul V. Jr Walsh?

Semtech reported that director Paul V. Jr Walsh sold 500 shares of common stock. The open-market sale occurred on March 18, 2026 at an average price of $80.87 per share, and he retained 24,279 shares directly after the transaction.

How many Semtech (SMTC) shares did the director sell and at what price?

The director sold 500 Semtech common shares in a single reported transaction. The shares were sold at an average price of $80.87 each, reflecting an open‑market sale, with his direct holdings listed as 24,279 shares after the sale was completed.

What are Paul V. Jr Walsh’s Semtech (SMTC) holdings after this Form 4 sale?

After the reported sale, Paul V. Jr Walsh directly holds 24,279 Semtech common shares. This figure is disclosed as his total direct ownership following the March 18, 2026 open‑market sale of 500 shares at an average price of $80.87 per share.

Was the Semtech (SMTC) insider transaction a buy or sell?

The reported Semtech insider transaction was a sale of common stock. Director Paul V. Jr Walsh executed an open‑market sale of 500 shares on March 18, 2026 at an average price of $80.87 per share, reducing his position to 24,279 shares.

Did the Semtech (SMTC) Form 4 include any derivative exercises or options activity?

The Form 4 discloses only a non‑derivative sale of common stock. No option exercises, conversions, or other derivative transactions are listed, and the derivative holdings summary shows no remaining derivative positions tied to this particular filing’s reported activity.