Semtech CFO Mark Lin Sells $173K in Shares Under 10b5-1 Plan Post-RSU Vesting

Executive Summary

On October 1, 2026, Mark Lin, Executive Vice President and Chief Financial Officer of Semtech Corp ($SMTC), executed a series of equity transactions following the vesting of 3,165 Restricted Stock Units (RSUs):

• RSU Settlement: Acquired 3,165 shares of Common Stock upon conversion of RSUs (at $0).
• Tax Withholding: Disposed of 1,565 shares at $178.35 per share to cover statutory tax obligations.
• Open Market Sale: Sold 967 shares at an average price of $178.87 per share pursuant to a Rule 10b5-1 trading plan established on June 23, 2025, generating approximately $172,967 in proceeds.

Ownership & Holdings

Following these transactions, Mr. Lin continues to hold directly 35,999 shares of Semtech common stock. The net change in beneficial direct ownership across the RSU settlement, tax withholding, and 10b5-1 sale was an increase of 633 shares.

Market & Trading Significance

The trading significance is rated Low. The open-market sale represents a small fraction of the executive's total equity holdings and was executed under a pre-established Rule 10b5-1 trading plan adopted over a year prior to the trade date.