X0202 4/A 2006-08-02 2006-08-07 0 0000799166 MASSBANK CORP MASB 0001235384 MARSHALL STEPHEN E C/O MASSBANK 123 HAVEN STREET READING MA 01867 1 0 0 0 common stock 2006-08-02 4 J 0 1000 20.0625 A 2334.38 D common stock 2006-08-02 4 S 0 1000 32.61 D 1334.38 D common stock 2006-08-02 4 J 0 1500 25.00 A 2834.38 D common stock 2006-08-02 4 S 0 1500 32.61 D 1334.38 D common stock 2006-08-02 4 J 0 1500 19.00 A 2834.38 D common stock 2006-08-02 4 S 0 1500 32.61 D 1334.38 D common stock 2006-08-02 4 J 0 1125 20.6667 A 2459.38 D common stock 2006-08-02 4 S 0 1125 32.61 D 1334.38 D option(right to buy) 20.0625 2006-08-02 4 J 0 1000 20.0625 A 1997-01-21 2007-01-20 common 1000 0 D option (right to buy) 25.00 2006-08-02 4 J 0 1500 25.00 A 1999-01-19 2009-01-18 common 1500 0 D option (right to buy) 19.00 2006-08-02 4 J 0 1500 19.00 A 2000-01-18 2010-01-17 common 1500 0 D option (right to buy) 20.6667 2006-08-02 4 J 0 1125 20.6667 A 2001-01-16 2011-01-15 common 1125 0 D Exercise of stock option granted under the MASSBANK Corp. Stock Option & Incentive Plan Also includes includes 209.38 shares owned directly by Mr. Marshall, which includes: 1.3680 shares acquired 02/18/05 at $38.00 per share; 1.4440 shares acquired 05/19/05 at $36.2301 per share; 1.5250 shares acquired 08/18/05 at $34.5636 per share; 1.8060 shares acquired 11/17/05 at $30.5245 per share; 1.65 shares acquired on 02/20/06 at $33.7194 per share and 1.706 shares acquired on 05/19/06 at $32.8682 per share, pursuant to the reinvestment of dividends under the MASSBANK Corp Dividend Reinvestment Plan. original filing amended to correct the balance of stock owned directly, which includes updates due to minor acquisitions of shares due to participation in the Dividend ReInvestment Plan Stephen E. Marshall 2006-08-07