X0303 4 2009-06-16 0 0000897077 ALAMO GROUP INC ALG 0001120808 ROBINSON RONALD A 1627 EAST WALNUT SEGUIN TX 78155 1 1 0 0 President & CEO Common Stock 2009-06-16 4 S 0 3000 10.88 D 106300 D Common Stock 2009-06-16 4 M 0 3000 8.9375 A 109300 D Derivative (Right to Buy) 8.9375 2009-06-16 4 M 0 3000 0 D 2000-07-07 2009-07-07 Common Stock 3000 65775 D The shares covered by this Form 4 are being sold pursuant to a Rule 10b5-1 Sales Plan, which is intended to comply with Rule 10b5-1 of the Security Exchange Act of 1934, as amended. The range in price for this transaction was $10.73 - $11.10. Shares are from employee stock option granted pursuant to the Alamo Group First Amended and Restated 1999 Non-Qualified Stock Option Plan. The option vested in five equal annual installments beginning on July 7, 2000. Ronald A. Robinson 2009-06-16