[Form 4] SEMTECH CORP Insider Trading Activity

Rhea-AI Filing Summary

Hong Q. Hou, President and CEO and a director of Semtech Corp (SMTC), reported on Form 4 transactions dated 10/01/2025. The filing shows a disposition of 3,293 shares of Semtech common stock at a price of $71.45 and the acquisition (vesting) of 6,483 restricted stock units that convert into common shares at no cash price. After these transactions, the reporting person beneficially owned 45,383 shares in total. The RSU grant vests in a schedule where one third vested on 7/1/2025 and the remainder vests in eight quarterly installments beginning 10/01/2025. The Form 4 was signed under power of attorney on 10/03/2025.

Positive

• 6,483 RSUs vested, increasing alignment between the President and CEO and shareholders
• Beneficial ownership of 45,383 shares remains, reflecting continued insider stake

Negative

• 3,293 shares sold at $71.45 on 10/01/2025, a reduction in immediate insider-held free shares

Insights

Corporate Governance Analyst

Insider sold 3,293 shares and received 6,483 RSUs tied to a vesting schedule.

The sale of 3,293 shares at $71.45 is a disclosed, executed disposition on 10/01/2025, and the reporting person also recorded the vesting/acquisition of 6,483 restricted stock units that convert to common stock at no cash cost.

This combination — a sale plus receipt of vested RSUs — is a common executive compensation and liquidity pattern; the filing documents the exact amounts and the vesting timetable, which helps investors track insider ownership and executive alignment with shareholders.

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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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

HOU HONG Q

(Last) (First) (Middle)

200 FLYNN RD.

(Street)

CAMARILLO CA 93012-8790

(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
X	Officer (give title below)		Other (specify below)
	President and CEO

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2025

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	10/01/2025		M		6,483	A	$0	34,852	D
Common Stock	10/01/2025		F		3,293	D	$71.45	31,559	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
Restricted Stock Unit	(1)	10/01/2025		M			6,483	(2)	(2)	Common Stock	6,483	$0	45,383	D

Explanation of Responses:

1. Each stock unit represents the contingent right to receive one share of Semtech common stock.

2. One third of this grant vested on July 1, 2025 and the remainder of this grant vests in eight quarterly installments beginning on October 1, 2025.

Remarks:

	/s/Hong Q. Hou by Jeffrey Gutierrez under Power of Attorney dated October 6, 2023 (Copy On File)	10/03/2025
	** 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 did Semtech insider Hong Q. Hou report on Form 4 (SMTC)?

The Form 4 reports a disposition of 3,293 shares at $71.45 and the acquisition/vesting of 6,483 restricted stock units on 10/01/2025.

How many Semtech shares does the reporting person own after the transactions?

After the reported transactions the filing shows beneficial ownership of 45,383 shares.

When do the vested RSUs and remaining RSU installments occur?

One third of the RSU grant vested on July 1, 2025; the remainder vests in eight quarterly installments beginning 10/01/2025.

At what price were the sold Semtech shares executed?

The reported sale was executed at a price of $71.45 per share on 10/01/2025.

Who signed the Form 4 for Hong Q. Hou and when?

The Form 4 was signed by Jeffrey Gutierrez under power of attorney for Hong Q. Hou on 10/03/2025.