Semtech EVP’s trust sells 8,500 shares in pre-set plan

Semtech Corp executive Asaf Silberstein reported open-market sales of company stock by a Family Trust on behalf of his holdings.

Accepted by SEC EDGAR 07/10/2026 - 04:05 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Semtech Corp executive Asaf Silberstein reported open-market sales of company stock by a Family Trust on behalf of his holdings. On July 8, 2026, the trust sold a total of 8,500 shares of Semtech common stock in multiple transactions at prices ranging from $123.84 to $130.00 per share. These sales were made pursuant to a Rule 10b5-1 trading plan adopted by Mr. Silberstein on April 8, 2026. Following the reported sales, the Family Trust held 96,862 shares of Semtech common stock indirectly attributed to Mr. Silberstein.

Insights

Insider trading and governance analyst

Pre-planned trust sales reduce holdings modestly while leaving a sizable remaining position.

Executive vice president and COO Asaf Silberstein reported that a Family Trust associated with him sold 8,500 shares of Semtech common stock on July 8, 2026. The sales occurred in multiple open-market transactions at prices between $123.84 and $130.00 per share.

The filing notes these trades were executed under a Rule 10b5-1 trading plan adopted on April 8, 2026, indicating they were pre-arranged rather than discretionary market-timing decisions. After the transactions, the Family Trust held 104,925 shares indirectly attributed to Mr. Silberstein, so he continues to maintain a substantial equity interest.

Insider Trade Summary 10b5-1

Net Seller: 8,500 shares

Net Sell 6 txns

Insider Silberstein Asaf

Role EVP and COO

Sold 8,500 shs ($1.09M)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2	437	$124.1895	$54K
Sale	Common Stock F1, F3	2,448	$125.1795	$306K
Sale	Common Stock F1, F4	273	$126.6048	$35K
Sale	Common Stock F1, F5	588	$127.6093	$75K
Sale	Common Stock F1, F6	1,400	$128.7027	$180K
Sale	Common Stock F1, F7	3,354	$129.9426	$436K

Holdings After Transaction: Common Stock — 96,862 shares (Indirect, by Family Trust)

Footnotes (7)

1. F1. This transaction is pursuant to a Rule 10b5-1 trading plan adopted by Mr. Silberstein on April 8, 2026.
2. F2. The price represents the weighted average of these sales. The prices ranged from $123.84 to $124.79. Price and share details are available upon request.
3. F3. The price represents the weighted average of these sales. The prices ranged from $124.9725 to $125.885. Price and share details are available upon request.
4. F4. The price represents the weighted average of these sales. The prices ranged from $126.11 to $126.96. Price and share details are available upon request.
5. F5. The price represents the weighted average of these sales. The prices ranged from $127.1925 to $128.0775. Price and share details are available upon request.
6. F6. The price represents the weighted average of these sales. The prices ranged from $128.1975 to $129.18. Price and share details are available upon request.
7. F7. The price represents the weighted average of these sales. The prices ranged from $129.26 to $130. Price and share details are available upon request.

Key Figures

Shares sold: 8,500 shares Price range of sales: $123.84–$130.00 per share Shares held after transactions: 104,925 shares +2 more

5 metrics

Shares sold 8,500 shares Total Semtech common shares sold on July 8, 2026 in open-market transactions

Price range of sales $123.84–$130.00 per share Weighted-average sale price ranges across reported transactions

Shares held after transactions 104,925 shares Semtech common shares indirectly held by Family Trust following the reported sales

Trading plan adoption date April 8, 2026 Date Mr. Silberstein adopted the Rule 10b5-1 trading plan governing these sales

Number of sale transactions 6 transactions Separate open-market sale entries reported for July 8, 2026

Key Terms

Rule 10b5-1 trading plan, weighted average of these sales, Family Trust

3 terms

Rule 10b5-1 trading plan regulatory

"This transaction is pursuant to a Rule 10b5-1 trading plan adopted by Mr. Silberstein"

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.

weighted average of these sales financial

"The price represents the weighted average of these sales. The prices ranged"

Family Trust financial

"direct or indirect ownership is indicated as by Family Trust for these shares"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Semtech (SMTC) EVP and COO Asaf Silberstein report in this Form 4?

He reported that a Family Trust associated with him sold 8,500 shares of Semtech common stock on July 8, 2026 in multiple open-market transactions under a Rule 10b5-1 trading plan.

How many Semtech (SMTC) shares did the Family Trust sell and at what prices?

The Family Trust sold a total of 8,500 shares of Semtech common stock at prices ranging from $123.84 to $130.00 per share, based on weighted-average sale prices disclosed in the filing footnotes.

Does Asaf Silberstein still hold Semtech (SMTC) shares after these reported sales?

Yes. After the reported transactions, the filing shows the Family Trust held 104,925 shares of Semtech common stock indirectly attributed to Mr. Silberstein, indicating he retains a significant remaining position.

Were the Semtech (SMTC) stock sales by Asaf Silberstein discretionary or pre-planned?

The sales were pre-planned, executed under a Rule 10b5-1 trading plan adopted by Mr. Silberstein on April 8, 2026, according to a footnote describing the trading arrangement.

What role does the Family Trust play in Asaf Silberstein’s Semtech (SMTC) holdings?

The Form 4 states the Semtech shares are held indirectly by a Family Trust. The reported sales and the remaining 104,925 shares are attributed as indirect ownership through this trust structure.

How many separate transactions did the Semtech (SMTC) Form 4 disclose for July 8, 2026?

The Form 4 lists six separate open-market sale transactions in Semtech common stock on July 8, 2026, all coded as S for sale and executed at different weighted-average prices.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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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)
07/08/2026

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	07/08/2026		S(1)		437	D	$124.1895(2)	104,925	I	by Family Trust
Common Stock	07/08/2026		S(1)		2,448	D	$125.1795(3)	102,477	I	by Family Trust
Common Stock	07/08/2026		S(1)		273	D	$126.6048(4)	102,204	I	by Family Trust
Common Stock	07/08/2026		S(1)		588	D	$127.6093(5)	101,616	I	by Family Trust
Common Stock	07/08/2026		S(1)		1,400	D	$128.7027(6)	100,216	I	by Family Trust
Common Stock	07/08/2026		S(1)		3,354	D	$129.9426(7)	96,862	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.

2. The price represents the weighted average of these sales. The prices ranged from $123.84 to $124.79. Price and share details are available upon request.

3. The price represents the weighted average of these sales. The prices ranged from $124.9725 to $125.885. Price and share details are available upon request.

4. The price represents the weighted average of these sales. The prices ranged from $126.11 to $126.96. Price and share details are available upon request.

5. The price represents the weighted average of these sales. The prices ranged from $127.1925 to $128.0775. Price and share details are available upon request.

6. The price represents the weighted average of these sales. The prices ranged from $128.1975 to $129.18. Price and share details are available upon request.

7. The price represents the weighted average of these sales. The prices ranged from $129.26 to $130. Price and share details are available upon request.

Remarks:

	/s/Asaf Silberstein by Mark Lin under Power of Attorney dated November 5, 2025 (Copy On File)	07/10/2026
	** 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)