Semtech Corp: president and CEO Hou Hong Q exercised 6,483 shares

What happened

• The filing reports that Hou Hong Q, president and CEO and director, exercised or converted 6,483 stock units into shares on Oct 1, 2026 at an exercise price of $0.00.
• The filing shows 3,299 shares were surrendered to cover tax liability on Oct 1, 2026 at $178.35 per share for $588,377, and 2,000 shares were sold open market on Oct 2, 2026 at $191.21 per share for $382,420.

Key details

• Transaction dates and prices: Oct 1, 2026 exercise/conversion @ $0.00; Oct 1, 2026 tax withholding 3,299 shares @ $178.35 = $588,377; Oct 2, 2026 open-market sale 2,000 shares @ $191.21 = $382,420.
• Shares owned after the transaction: not reported in this filing.
• Relevant footnotes: F1 — transaction pursuant to a Rule 10b5-1 trading plan adopted Dec 17, 2025; F2 — each stock unit represents the contingent right to receive one share of Semtech common stock; F3 — one third of the grant vested on Jul 1, 2025 and the remainder vests in eight quarterly installments beginning Oct 1, 2025.
• Filing date: Oct 5, 2026; timeliness not indicated in the filing.

Why it may matter

• The filing records an exercise or conversion of stock units followed by shares surrendered for tax withholding and an open-market sale, which reflects a cashless exercise structure.
• A filing does not show why the insider traded or why the company acted.