Hong Q. Hou - 01 Oct 2026 Form 4 Insider Report for SEMTECH CORP (SMTC)

Reporting relationship: President and CEO, Director
Issuer ticker: SMTC
Reported as of: 01 Oct 2026
Net transaction value: -$382,420
SEC form: 4
Accepted by SEC: 05 Oct 2026, 16:01:50 UTC
Prior SEC filing: 14 Sep 2026
Source filing: View source filing
Reporting owner signature: /s/Hong Q. Hou by Mark Lin under Power of Attorney dated October 16, 2025 (Copy On File)

Key filing fact

Hong Q. Hou filed Form 4 for SEMTECH CORP (SMTC) on 05 Oct 2026.

Key facts

This page summarizes Hong Q. Hou's Form 4 filing for SEMTECH CORP (SMTC).
4 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 05 Oct 2026, 16:01.

Change

Previous filing in this sequence was filed on 14 Sep 2026.
Current net transaction value: -$382,420.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001156899 Primary reporting owner

HOU HONG Q

Relationship: President and CEO, Director
Address: 200 FLYNN RD., CAMARILLO
Signature: /s/Hong Q. Hou by Mark Lin under Power of Attorney dated October 16, 2025 (Copy On File)
Signature date: 05 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SMTC transaction

Common Stock

Options Exercise

Transaction value
Shares: +6,483
Change %: +10%
Price: $0.000000^*
Shares after: 71,275
Date: 01 Oct 2026
Ownership: Direct

SMTC transaction

Common Stock

Tax liability

Transaction value
Shares: -3,299
Change %: -4.6%
Price: $178.35^*
Shares after: 67,976
Date: 01 Oct 2026
Ownership: Direct

SMTC transaction

Common Stock

Sale

Transaction value: $382,420
Shares: -2,000
Change %: -2.9%
Price: $191.21
Shares after: 65,976
Date: 02 Oct 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

SMTC transaction Derivative

Restricted Stock Unit

Options Exercise

Transaction value
Shares: -6,483
Change %: -25%
Price: $0.000000^*
Shares after: 19,450
Date: 01 Oct 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 6,483
Exercise price
Footnotes: F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 3 footnotes

Footnote F1

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

Footnote F2

Each stock unit represents the contingent right to receive one share of Semtech common stock.

Footnote F3

One third of this grant vested on July 1, 2025 and the remainder of this grant vests in eight quarterly installments beginning on October 1, 2025.