X0303 4 2010-11-10 0 0000021535 COHU INC COHU 0001433585 Hopkins Roger J 12367 CROSTHWAITE CIRCLE POWAY CA 92064 0 1 0 0 VP Sales & Service Common Stock 2010-11-10 4 M 0 2500 8.15 A 12262 D Common Stock 2010-11-10 4 M 0 5000 7.32 A 17262 D Common Stock 2010-11-10 4 S 0 7500 15.17 D 9762 D Employee Stock Option (Right to Buy) 8.15 2010-11-10 4 M 0 2500 0.00 D 2010-04-21 2019-04-21 Common Stock 2500 0 D Employee Stock Option (Right to Buy) 7.32 2010-11-10 4 M 0 5000 0.00 D 2010-03-20 2019-03-20 Common Stock 5000 0 D The shares with respect to this transaction were sold in multiple trades at prices ranging from $15.08 to $15.26; the price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request by the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. Number of shares includes 8,125 Restricted Stock Units (RSU) (excluding the impact of shares that will be withheld to cover tax obligations) previously reported that in the future will be converted on a one-for-one basis into shares of Cohu, Inc. Common Stock, immediately upon vesting which vesting is scheduled to occur in annual installments (assuming continued employment). The option vests in four equal installments beginning on April 21, 2010 (assuming continued employment). The option vests in four equal installments beginning on March 20, 2010 (assuming continued employment). Jeffrey D. Jones (Attorney-in-Fact) 2010-11-11