Teradyne Director Mercedes Johnson Sells 166 Shares via 10b5-1 Plan

Executive Summary

On November 2, 2026, Teradyne, Inc. ($TER) Director Mercedes Johnson executed an open-market sale of 166 shares of Common Stock at an average price of $275.44 per share, resulting in total transaction proceeds of approximately $45,723.04.

Transaction Details

• Security: Common Stock
• Transaction Code: S (Open Market Sale)
• Shares Disposed: 166 shares
• Price per Share: $275.44
• Total Consideration: $45,723.04
• Ownership Nature: Direct

Ownership Post-Transaction

• Direct Ownership: 6,031 shares
• Indirect Ownership: 1,876 shares held by The Mercedes Johnson Trust UAD 07/23/04
• Total Beneficial Ownership: 7,907 shares

Context & Trading Significance

• Rule 10b5-1 Trading Plan: The transaction was executed under a pre-scheduled trading plan established on March 4, 2026, intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.
• Significance Level: Low. The disposition represents a very minor fraction (approximately 2.1%) of Johnson's total direct and indirect position in Teradyne and was carried out routinely via an automated 10b5-1 plan.