0000728083-01-000004 SC 13G/A 1 20010207 ACMAT CORP 0000002062 6351 060682460 CT 1231 SC 13G/A 34 005-13959 1526856 233 MAIN ST P O BOX 2350 NEW BRITAIN CT 06050-2350 2032299000 233 MAIN STREET P O BOX 2350 NEW BRITAIN CT 06050-2350 FIRST MANHATTAN CO 0000728083 131957714 NY 1231 SC 13G/A 437 MADISON AVE NEW YORK NY 10022 2127563300 437 MADISON AVE NEW YORK NY 10022 SC 13G/A 1 0001.txt AMEND. #5