Semtech (NASDAQ: SMTC) COO sells 5,000 shares under trading plan

Rhea-AI Filing Summary

SEMTECH CORP (SMTC) executive Asaf Silberstein, EVP and COO, reported an indirect sale of 5,000 shares of common stock at $150.00 per share on August 17, 2026. The shares are held by a Family Trust, and Silberstein reported 88,862 shares remaining indirectly owned after the sale. The transaction was executed pursuant to a Rule 10b5-1 trading plan adopted on April 8, 2026.

Insider Trade Summary 10b5-1

Net Seller: 5,000 shares

Net Sell 1 txn

Insider Silberstein Asaf

Role EVP and COO

Sold 5,000 shs ($750K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	5,000	$150.00	$750K

Holdings After Transaction: Common Stock — 88,862 shares (Indirect, by Family Trust)

Footnotes (1)

1. F1. This transaction is pursuant to a Rule 10b5-1 trading plan adopted by Mr. Silberstein on April 8, 2026.

Key Figures

Shares sold: 5,000 shares Sale price: $150.00 per share Shares owned after transaction: 88,862 shares +2 more

5 metrics

Shares sold 5,000 shares Common Stock sold on August 17, 2026

Sale price $150.00 per share Price for the 5,000 shares of Common Stock sold

Shares owned after transaction 88,862 shares Indirect ownership by Family Trust following the sale

Net shares sold 5,000 shares transactionSummary netSellShares

Rule 10b5-1 plan adoption date April 8, 2026 Adoption date of the trading plan governing this sale

Key Terms

Rule 10b5-1 trading plan, indirect, Family Trust, Sale in open market or private transaction

4 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.

indirect financial

"direct_or_indirect": "I", "ownership_type": "indirect""

Family Trust financial

"nature_of_ownership": "by Family Trust""

Sale in open market or private transaction financial

"transaction_code_description": "Sale in open market or private transaction""

FAQ

What insider transaction did SMTC EVP and COO Asaf Silberstein report?

Asaf Silberstein reported an indirect sale of 5,000 SMTC shares of common stock at $150.00 per share. The transaction occurred on August 17, 2026 through a Family Trust associated with him.

How many SMTC shares does Asaf Silberstein hold after this reported sale?

Following the transaction, Asaf Silberstein reported indirect ownership of 88,862 SMTC shares. These shares are held by a Family Trust, as disclosed in the Form 4 filing describing the ownership as indirect.

Was the SMTC insider sale by Asaf Silberstein under a Rule 10b5-1 plan?

Yes. The filing states the transaction was pursuant to a Rule 10b5-1 trading plan adopted by Asaf Silberstein on April 8, 2026. Such plans pre-schedule trades, reducing the significance of trade timing information.

What price did the SMTC shares sell for in Asaf Silberstein’s reported transaction?

The 5,000 SMTC shares were sold at a price of $150.00 per share. This per-share price is reported as a standard transaction price, with the filing marking it as a sale in open market or private transaction.

Is Asaf Silberstein’s SMTC ownership direct or indirect after this transaction?

The reported holdings after the sale are indirect, coded as "I" and described as owned by Family Trust. This means the shares are held through that trust rather than directly in Silberstein’s own name.

What is the net effect of this Form 4 on SMTC insider share count for Asaf Silberstein?

The Form 4 shows a net sale of 5,000 SMTC shares for Asaf Silberstein. Transaction summaries in the filing list sellShares of 5,000 and a resulting indirect position of 88,862 shares held by a Family Trust.

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 08/19/2026 - 04:02 PM Accepted by SEC EDGAR 08/19/2026 - 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^*

Silberstein Asaf

(Last) (First) (Middle)

200 FLYNN ROAD

(Street)

CAMARILLO CALIFORNIA 93012-8790

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/17/2026

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	08/17/2026		S(1)		5,000	D	$150	88,862	I	by Family Trust

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. Silberstein on April 8, 2026.

Remarks:

	/s/Asaf Silberstein by Mark Lin under Power of Attorney dated November 5, 2025 (Copy On File)	08/19/2026
	** 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)