Semtech insider plans $877,978 stock sale

SEMTECH CORP (SMTC) received a notice that Rodolpho Cardenuto intends to sell up to 5,321 shares of its common stock under Rule 144 through Fidelity Brokerage Services LLC on or after September 16, 2026.

Rhea-AI Filing Summary

SEMTECH CORP (SMTC) received a notice that Rodolpho Cardenuto intends to sell up to 5,321 shares of its common stock under Rule 144 through Fidelity Brokerage Services LLC on or after September 16, 2026. The shares were acquired via restricted stock vesting as compensation on June 3, 2026.

Key Figures

Shares to be sold: 5,321 shares Aggregate market value: $877,978.20 Proposed sale date: September 16, 2026 +1 more

4 metrics

Shares to be sold 5,321 shares Common stock covered by the Rule 144 notice

Aggregate market value $877,978.20 Value associated with the 5,321 shares to be sold

Proposed sale date September 16, 2026 Date for planned sale on NASDAQ

Acquisition date June 3, 2026 Date the shares were acquired via restricted stock vesting

Key Terms

Rule 144, Restricted Stock Vesting, attorney-in-fact

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Vesting financial

"Common | 06/03/2026 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

attorney-in-fact regulatory

"as attorney-in-fact for Rodolpho Cardenuto"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

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

What does the Form 144 filing disclose for SEMTECH CORP (SMTC)?

It discloses that Rodolpho Cardenuto plans to sell up to 5,321 shares of Semtech common stock under Rule 144 through Fidelity Brokerage Services LLC, with a proposed sale date of September 16, 2026 on NASDAQ.

How many SMTC shares are covered by this Rule 144 notice?

The notice covers up to 5,321 shares of SEMTECH CORP common stock, with an indicated aggregate market value of $877,978.20 for the planned sale under Rule 144.

When were the SMTC shares to be sold by Rodolpho Cardenuto acquired?

The shares were acquired on June 3, 2026 through Restricted Stock Vesting, listed as compensation from Semtech as the issuer.

What is the proposed sale date for the SMTC shares in this Form 144?

The filing lists a proposed sale date of September 16, 2026 for the sale of 5,321 Semtech common shares on NASDAQ through Fidelity Brokerage Services LLC.

Which broker is handling the planned sale of SMTC shares under this Form 144?

The planned sale is to be executed through Fidelity Brokerage Services LLC, identified in the filing as the broker for selling the 5,321 shares of Semtech common stock.

What is the aggregate market value of the SMTC shares in this Rule 144 filing?

The filing lists an aggregate market value of $877,978.20 for the 5,321 Semtech common shares covered by this planned Rule 144 sale.

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

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Available on EDGAR 09/16/2026 - 11:55 AM Accepted by SEC EDGAR 09/16/2026 - 11:54 AM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001753689
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	SEMTECH CORP
SEC File Number	001-06395
Address of Issuer	200 FLYNN ROAD CAMARILLO CALIFORNIA 93012-8790
Phone	8054982111
Name of Person for Whose Account the Securities are To Be Sold	Cardenuto Rodolpho C
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	5321	877978.20	93325626	09/16/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	06/03/2026	Restricted Stock Vesting	Issuer			5321	06/03/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	09/16/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Gary Redman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Rodolpho Cardenuto
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)