Semtech (SMTC) CEO Hong Q. Hou sells 2,000 shares in Rule 10b5-1 plan

Rhea-AI Filing Summary

Semtech Corp President and CEO Hong Q. Hou reported selling 2,000 shares of common stock on August 7, 2026 at $140.00 per share in an open market or private transaction. The sale was made under a Rule 10b5-1 trading plan adopted on December 17, 2025. Following this transaction, Hou directly holds 62,799 shares of Semtech common stock.

Insider Trade Summary 10b5-1

Net Seller: 2,000 shares

Net Sell 1 txn

Insider HOU HONG Q

Role President and CEO

Sold 2,000 shs ($280K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	2,000	$140.00	$280K

Holdings After Transaction: Common Stock — 62,799 shares (Direct)

Footnotes (1)

1. F1. This transaction is pursuant to a Rule 10b5-1 trading plan adopted by Dr. Hou on December 17, 2025.

Key Figures

Shares sold: 2,000 shares Sale price per share: $140.00 per share Shares owned after transaction: 62,799 shares +2 more

5 metrics

Shares sold 2,000 shares Common stock sale on August 7, 2026

Sale price per share $140.00 per share Open market or private transaction

Shares owned after transaction 62,799 shares Direct holdings of Hong Q. Hou after reported sale

Rule 10b5-1 plan adoption date December 17, 2025 Date CEO adopted trading plan governing this sale

Net shares sold in filing 2,000 shares Net-sell direction across all reported transactions

Key Terms

Rule 10b5-1 trading plan, open market or private transaction, non-derivative

3 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.

open market or private transaction financial

"transaction code description "Sale in open market or private transaction""

non-derivative financial

"transaction_type field lists the common stock sale as non-derivative"

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 08/11/2026 - 04:06 PM Accepted by SEC EDGAR 08/11/2026 - 04:05 PM Learn about SEC filing dates

FAQ

What did Semtech (SMTC) President and CEO Hong Q. Hou report in this Form 4?

Hong Q. Hou reported a sale of 2,000 Semtech common shares at $140.00 per share on August 7, 2026, conducted as an open market or private transaction under a pre-established Rule 10b5-1 trading plan.

How many Semtech (SMTC) shares did the CEO sell and at what price?

The CEO sold 2,000 shares of Semtech common stock at a price of $140.00 per share. This transaction is coded as a sale in an open market or private transaction in the Form 4 data.

How many Semtech (SMTC) shares does the CEO own after this reported sale?

After the sale, Hong Q. Hou directly owns 62,799 shares of Semtech common stock. This post-transaction holding reflects only the position reported in this Form 4 and pertains to his direct ownership.

Was the Semtech (SMTC) CEO’s sale made under a Rule 10b5-1 trading plan?

Yes. The Form 4 footnote states the 2,000-share sale was executed pursuant to a Rule 10b5-1 trading plan adopted by Hong Q. Hou on December 17, 2025.

What transaction code is used for the Semtech (SMTC) CEO’s share sale?

The transaction is coded "S", indicating a sale in open market or private transaction. The Form 4 classifies this as a non-derivative transaction in Semtech common stock on August 7, 2026.

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^*

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)
08/07/2026

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	08/07/2026		S(1)		2,000	D	$140	62,799	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. This transaction is pursuant to a Rule 10b5-1 trading plan adopted by Dr. Hou on December 17, 2025.

Remarks:

	/s/Hong Q. Hou by Mark Lin under Power of Attorney dated October 16, 2025 (Copy On File)	08/11/2026
	** 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)