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

Filing Impact

(High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Semtech Corp President and CEO Hong Q. Hou reported an open-market sale of 2,000 shares of common stock on June 5, 2026 at $162.10 per share. After this transaction, he directly holds 69,228 shares. The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on December 17, 2025.

Insights

CEO’s 2,000-share 10b5-1 sale appears routine relative to his remaining stake.

The President and CEO of Semtech Corp, Hong Q. Hou, executed an open-market sale of 2,000 common shares at $162.10 per share. Following the sale, he still directly owns 69,228 shares, indicating that only a small portion of his holdings was sold.

The filing notes this trade was made under a pre-arranged Rule 10b5-1 trading plan adopted on December 17, 2025. Such plans automate trading and reduce the significance of transaction timing. Overall, this looks like a planned, modest liquidity event rather than a major change in insider positioning.

Insider Trade Summary 10b5-1

Net Seller: 2,000 shares ($324,200)

Net Sell 1 txn

Insider HOU HONG Q

Role President and CEO

Sold 2,000 shs ($324K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,000	$162.10	$324K

Holdings After Transaction: Common Stock — 69,228 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares sold: 2,000 shares Sale price per share: $162.10 per share Shares held after sale: 69,228 shares +1 more

4 metrics

Shares sold 2,000 shares Open-market sale of common stock on June 5, 2026

Sale price per share $162.10 per share Price for the CEO’s 2,000-share sale

Shares held after sale 69,228 shares CEO’s direct Semtech common stock holdings post-transaction

Trading plan adoption date December 17, 2025 Rule 10b5-1 plan under which the sale occurred

Key Terms

Rule 10b5-1 trading plan, open-market sale, Form 4, non-derivative

4 terms

Rule 10b5-1 trading plan regulatory

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

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 sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

non-derivative financial

""transaction_type": "non-derivative""

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Form 4 Insider Transactions: What Each Field Means →

06/09/2026 - 04:01 PM

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)
06/05/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	06/05/2026		S⁽¹⁾		2,000	D	$162.1	69,228	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

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)	06/09/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Semtech (SMTC) report for CEO Hong Q. Hou?

Semtech reported that President and CEO Hong Q. Hou sold 2,000 shares of common stock in an open-market transaction at $162.10 per share. After this sale, he continues to hold 69,228 Semtech common shares directly, according to the Form 4 filing.

When did the Semtech (SMTC) CEO’s recent stock sale take place?

The reported transaction by Semtech’s President and CEO Hong Q. Hou occurred on June 5, 2026. On that date, he sold 2,000 shares of Semtech common stock at a price of $162.10 per share in an open-market transaction disclosed in the Form 4.

How many Semtech (SMTC) shares does CEO Hong Q. Hou hold after the sale?

After selling 2,000 shares, Semtech President and CEO Hong Q. Hou directly holds 69,228 shares of the company’s common stock. This post-transaction holding figure is explicitly stated in the Form 4 and provides context for the scale of the reported sale.

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

Yes. The Form 4 footnote states the transaction was made pursuant to a Rule 10b5-1 trading plan adopted by Dr. Hou on December 17, 2025. Such plans pre-schedule trades, helping separate personal liquidity management from short-term market timing.

What type of transaction code appears on the Semtech (SMTC) CEO’s Form 4?

The Form 4 uses transaction code “S,” which indicates a sale in an open-market or private transaction. In this case, Hong Q. Hou sold 2,000 shares of Semtech common stock at $162.10 per share, as reflected in the non-derivative transaction table.