0000950149-01-501611 4 1 20011031 20011102 TOWSEND DONALD M 0001036046 OFFICER 4 4637 CHABOT DRIVE SUITE 200 PLEASANTON CA 94588 4637 CHABOT DRIVE SUITE 200 PLEASANTON CA 94588 SIMPSON MANUFACTURING CO INC /CA/ 0000920371 3420 943196943 DE 1231 4 34 001-13429 1773829 4637 CHABOT DR STE 200 PLEASANTON CA 94588 5106099912 4637 CHABOT DR STE 200 PLEASANTON CA 94588 4 1 f76715be4.txt STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP