[Form 4] Semtech Corp Insider Trading Activity

Rhea-AI Filing Summary

Asaf Silberstein, Executive Vice President and COO of Semtech Corp (SMTC), reported sales of company common stock under a Rule 10b5-1 plan adopted on September 5, 2024. On 08/28/2025 he sold 1,000 shares at $60. On 08/29/2025 he sold 900 shares at a weighted-average price of $58.2478 and 100 shares at a weighted-average price of $59.951. Following these transactions his reported beneficial ownership declined from 104,996 shares to 103,996 shares, held directly and via The Silberstein Family Trust for which he is trustee. The Form 4 was signed under power of attorney and dated 09/02/2025.

Positive

• Trades executed under a Rule 10b5-1 plan, indicating pre-planned dispositions and compliance with insider trading rules
• Full Form 4 disclosure including dates, share counts, weighted-average prices ranges and trust relationship

Negative

• Insider sold a total of 2,000 shares (1,000 on 08/28/2025 and 1,000 on 08/29/2025), reducing reported beneficial ownership from 104,996 to 103,996
• Beneficial ownership decline of 1,000 shares is explicitly reported and may be noted by some investors

Insights

Financial Analyst

TL;DR: Insider sold 2,000 shares under a pre-established 10b5-1 plan; reduction in ownership is modest based on reported counts.

The sales occurred across two dates at prices ranging roughly $57.73 to $60 per disclosed ranges and reduced reported beneficial ownership by 1,000 shares from 104,996 to 103,996. Transactions were executed pursuant to a Rule 10b5-1 trading plan, indicating pre-planned dispositions rather than opportunistic trades. For investors this is a routine liquidity event by an insider and not, on its face, a signal of material change to company operations or guidance.

Corporate Governance Expert

TL;DR: Proper disclosure and use of a 10b5-1 plan demonstrate compliance with insider-trading controls.

The Form 4 explicitly notes the trades were pursuant to a 10b5-1 plan adopted 09/05/2024 and identifies the Reporting Person as trustee of a family trust that holds shares. The filing includes weighted-average price ranges and a power-of-attorney signature, which are consistent with standard governance practice. This disclosure supports transparency but does reduce the insider's direct reported stake by ~0.95% of the original reported balance (1,000/104,996).

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^*

Silberstein Asaf

(Last) (First) (Middle)

200 FLYNN ROAD

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
08/28/2025

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	08/28/2025		S		1,000	D	$60	104,996(1)	D
Common Stock	08/29/2025		S		900	D	$58.2478(2)	104,096(1)	D
Common Stock	08/29/2025		S		100	D	$59.951(3)	103,996(1)	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. Shares are held by The Silberstein Family Trust DTD 07/11/2016, for which the Reporting Person serves as Trustee.

2. The price represents the weighted average of these sales. The prices ranged from $57.73 to $58.655. Price and share details are available upon request.

3. The price represents the weighted average of these sales. The prices ranged from $59.95 to $60.00. Price and share details are available upon request.

Remarks:

These transactions are pursuant to a Rule 10b5-1 trading plan adopted by Mr. Silberstein on September 5, 2024.

	/s/Asaf Silberstein by Mark Lin under Power of Attorney dated October 6, 2023 (Copy On File)	09/02/2025
	** 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 transactions did Asaf Silberstein report on the Form 4 for SMTC?

He reported sales of 1,000 shares on 08/28/2025 at $60 and sales of 900 shares and 100 shares on 08/29/2025 at weighted-average prices of $58.2478 and $59.951, respectively.

Were these insider trades part of a pre-established trading plan?

Yes. The filing states the transactions were pursuant to a Rule 10b5-1 trading plan adopted on 09/05/2024.

How did the reported sales affect Silberstein's beneficial ownership in SMTC?

Reported beneficial ownership decreased from 104,996 shares to 103,996 shares following the transactions.

Who holds the shares and what is Silberstein's relationship to that entity?

The Silberstein Family Trust DTD 07/11/2016 holds shares, and Asaf Silberstein serves as Trustee as disclosed in the Form 4.

When was the Form 4 signed and filed?

The Form 4 shows a signature (by power of attorney) dated 09/02/2025.