Semtech CEO exercises 8,130 RSUs, withholds 4,137

Semtech’s CEO had RSUs vest into common shares and delivered shares to cover exercise price or taxes on September 10, 2026.

Rhea-AI Filing Summary

SEMTECH CORP (SMTC) reported that President and CEO Hong Q. Hou exercised 8,130 Restricted Stock Units into 8,130 shares of common stock on September 10, 2026. The RSU grant vests over time, with one third vesting on March 10, 2026 and the remainder in eight quarterly installments beginning June 10, 2026. On the same date, 4,137 common shares were delivered or withheld to cover the exercise price or tax liability at a reported reference price of $163.94 per share. Following the RSU exercise, Hou directly held 48,775 Restricted Stock Units.

Insider Trade Summary

8,130 shares exercised/converted

Exercise 3 txns

Insider HOU HONG Q

Role President and CEO

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit F1, F2	8,130	$0.00	$0.00
Exercise	Common Stock	8,130	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	4,137	$163.94	$678K

Holdings After Transaction: Restricted Stock Unit — 48,775 contracts (Direct); Common Stock — 64,792 shares (Direct)

Footnotes (2)

1. F1. Each stock unit represents the contingent right to receive one share of Semtech common stock.
2. F2. One third of this grant vested on March 10, 2026 and the remainder of this grant vests in eight quarterly installments beginning on June 10, 2026.

Key Figures

RSUs exercised: 8,130 units Common shares acquired from RSU conversion: 8,130 shares Shares delivered/withheld for exercise price or tax liability: 4,137 shares +4 more

7 metrics

RSUs exercised 8,130 units Restricted Stock Units converted into common stock on September 10, 2026

Common shares acquired from RSU conversion 8,130 shares Shares of Semtech common stock received on RSU exercise September 10, 2026

Shares delivered/withheld for exercise price or tax liability 4,137 shares Common stock used for payment obligations at $163.94 per share on September 10, 2026

Reference price for payment shares $163.94 per share Price applied to 4,137 shares delivered or withheld for exercise price or tax liability

RSUs held after transaction 48,775 units Directly held Restricted Stock Units following the reported RSU exercise

Initial vesting date for RSU grant March 10, 2026 One third of the RSU grant vested on this date

Start of quarterly vesting installments June 10, 2026 Remaining RSUs vest in eight quarterly installments beginning on this date

Key Terms

Restricted Stock Unit, Exercise or conversion of derivative security, Payment of exercise price or tax liability, contingent right, +1 more

5 terms

Restricted Stock Unit financial

"security title is reported as Restricted Stock Unit"

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

Exercise or conversion of derivative security financial

"transaction code description notes exercise or conversion of derivative security"

Payment of exercise price or tax liability financial

"transaction description states payment of exercise price or tax liability"

contingent right financial

"Each stock unit represents the contingent right to receive one share"

quarterly installments financial

"remainder of this grant vests in eight quarterly installments"

FAQ

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

What insider transaction did SMTC’s CEO report on September 10, 2026?

On September 10, 2026, Semtech President and CEO Hong Q. Hou exercised 8,130 Restricted Stock Units into 8,130 shares of common stock and delivered or withheld 4,137 shares to pay the exercise price or tax liability at a reference price of $163.94 per share.

How many Semtech (SMTC) RSUs did the CEO hold after the reported transaction?

After the September 10, 2026 RSU exercise, Hong Q. Hou directly held 48,775 Restricted Stock Units. Each RSU represents the contingent right to receive one share of Semtech common stock, subject to the vesting schedule described in the award terms.

What is the vesting schedule of the RSU grant reported by Semtech (SMTC)?

The RSU grant vests over time: one third vested on March 10, 2026, and the remaining two thirds vest in eight quarterly installments beginning on June 10, 2026, as disclosed in the footnotes to the Form 4 filing.

Was the Semtech (SMTC) CEO’s Form 4 transaction under a Rule 10b5-1 plan?

No. The Form 4 indicates that the Rule 10b5-1 checkbox is not affirmed, and the footnotes do not state that the transactions were made pursuant to a Rule 10b5-1 trading plan or other pre-arranged trading arrangement.

What price is associated with the Semtech (SMTC) shares delivered for taxes or exercise?

For the 4,137 common shares delivered or withheld to pay exercise price or tax liability on September 10, 2026, the Form 4 reports a price of $163.94 per share. This relates specifically to those shares used for payment obligations.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Available on EDGAR 09/14/2026 - 04:03 PM Accepted by SEC EDGAR 09/14/2026 - 04:03 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).

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^*

HOU HONG Q

(Last) (First) (Middle)

200 FLYNN RD.

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/10/2026

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	09/10/2026		M		8,130	A	$0	68,929	D
Common Stock	09/10/2026		F		4,137	D	$163.94	64,792	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)	09/10/2026		M			8,130	(2)	(2)	Common Stock	8,130	$0	48,775	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 March 10, 2026 and the remainder of this grant vests in eight quarterly installments beginning on June 10, 2026.

Remarks:

	/s/Hong Q. Hou by Mark Lin under Power of Attorney dated October 16, 2025 (Copy On File)	09/14/2026
	** 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)