Lattice Semiconductor CEO Ford Tamer Purchases Over $1M in Stock

Transaction Summary

On November 4, 2026, Ford Tamer, President, Chief Executive Officer, and Director of Lattice Semiconductor Corp ($LSCC), executed open-market purchases totaling 9,790 shares of common stock for an aggregate value of $1,003,689.33 at a volume-weighted average price of $102.52 per share.

The purchases were executed across three tranches on November 4, 2026:

• 2,894 shares at a weighted average price of $101.7849 (range: $101.1900 - $102.1500)
• 5,696 shares at a weighted average price of $102.7116 (range: $102.2300 - $103.2000)
• 1,200 shares at a weighted average price of $103.3988 (range: $103.2300 - $103.5600)

Ownership & Holdings Context

The shares were acquired indirectly to be held in trust, increasing the trust's total holding to 19,790 shares. In addition, Mr. Tamer indirectly holds 315,677 shares, bringing his total beneficial ownership reported to 335,467 shares.

Significance

This filing carries High significance:

1. Direct C-Suite Buy-in: Open-market purchases by a sitting CEO are among the strongest positive insider signals.
2. Material Dollar Amount: Exceeding $1.0 million in personal capital deployment demonstrates strong confidence in the company's valuation and outlook.
3. Non-10b5-1 Plan: The transactions were not executed under a pre-scheduled Rule 10b5-1 trading plan (aff10b5One is marked 0), indicating an opportunistic discretionary purchase.