Ernest E Maddock Teradyne, Inc (TER) insider trading activity
Ernest E Maddock is Director of TERADYNE, INC. Currently has a direct ownership of 9,595 shares of TER, which is worth approximately $1.63 Million. The most recent transaction as insider was on Dec 17, 2025, when has been sold 2 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).
Shares Held (Direct Ownership)
9.6K
0.02%
3M change
45.16%
12M change
Total Value Held
$1.63 Million
ERNEST E MADDOCK Transaction History
Also insider at
EEM
Ernest E Maddock
Director
Phoenix, AZ