Teradyne (TER) CEO Smith Sells 8,000 Shares in a Month, Reducing Holdings to 116,000 Shares

Teradyne, Inc.’s President and CEO, Gregory Stephen Smith, sold a total of 8,000 shares of common stock in two transactions in June and July.[1][2] The aggregate proceeds amounted to approximately $3.12 million. Although these sales were executed under a preplanned Rule 10b5-1 trading plan, the noticeable reduction in the CEO’s direct holdings is significant for investors.[1][2]

On June 15, Smith sold 4,000 shares of Teradyne common stock at an average price of about $423.03 per share, realizing approximately $1,692,120 in proceeds.[1] Following this transaction, his reported holding of common stock stood at 120,469.5729 shares, representing an equity value of roughly $50.96 million based on the trade price.[1]

On July 15, under another Rule 10b5-1 plan, he disposed of 4,000 shares at an average price of approximately $356.31 per share, securing about $1,425,240.[2] After this second sale, Smith’s direct holdings decreased to 116,495.4075 shares, a figure that includes the 25.8346 shares newly acquired through the employee stock purchase plan on June 30.[2]

Meanwhile, on June 15, Marilyn Matz sold 1,200 shares of Teradyne common stock at around $423.03 per share, realizing approximately $507,636.[3] After this Rule 10b5-1 plan sale, Matz’s direct holdings were 17,440.675 shares, equivalent to about $7.3797 million at the same reference price.[3]

Summary of Key Insider Transactions

Insider	Position (as disclosed)	Transaction Date	Transaction Type	Shares (units)	Price per Share (USD)	Total Amount (USD)	Shares Held After Transaction
Gregory Stephen Smith	President and CEO	2026-06-15	Sale	4,000	423.03	1,692,120	120,469.5729[1]
Gregory Stephen Smith	President and CEO	2026-07-15	Sale	4,000	356.31	1,425,240.00	116,495.4075[2]
Marilyn Matz	Insider (Director/Executive Level)	2026-06-15	Sale	1,200	423.03	507,636	17,440.675[3]

Both CEO Smith and Matz disclosed these sales as preplanned transactions under a Rule 10b5-1 trading plan. Despite the cashing out by these senior insiders, the filings confirm that each still maintains significant holdings worth tens of millions of dollars.[1][2][3]