Form 4 Filing for SEMTECH CORP by Paul V. Walsh Jr.

Paul V. Walsh Jr., a director at SEMTECH CORP, reported a sale of 500 shares of common stock on September 23, 2026, at a price of $172.61 per share. This transaction was executed under a Rule 10b5-1 trading plan adopted on July 9, 2025. Following this transaction, Mr. Walsh holds 26,600 shares of SEMTECH CORP common stock directly. The filing (document type 4) was signed on September 25, 2026.