Form 4 Filing for SEMTECH CORP

Paul V. Walsh Jr., a director at SEMTECH CORP, reported a sale of 500 shares of Common Stock on July 22, 2026. The transaction, executed at a price of $133.07 per share, resulted in a post-transaction holding of 27,600 shares. This sale was conducted under a Rule 10b5-1 trading plan adopted on July 9, 2025. The filing was signed by Mark Lin under power of attorney for Mr. Walsh.