0001193125-16-583688 POSASR 1 20160509 20160509 20160509 ADT Corp 0001546640 7381 454517261 DE 0925 POSASR 33 333-192447 161631410 1501 YAMATO ROAD BOCA RATON FL 33431 561-988-3600 1501 YAMATO ROAD BOCA RATON FL 33431 POSASR 1 d169719dposasr.htm POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3