Product # colour stage time
111 red s1 12:00:00 AM
222 white s2 1:00:00 AM
333 blue s1 2:00:00 AM
444 red s3 3:00:00 AM
555 red s4 4:00:00 AM


the above table updated automatically from another sheet , each product goes trough stages the start sage S1 and the end stage S4 ,what i want , for example take product number 111 , the stage S1 become S2 I want the tracking information to be in another table as below




111 red s1 12:00:00 AM
111 red s2 12:30:00 AM
222 white s2 1:00:00 AM
333 blue s1 2:00:00 AM
444 red s3 3:00:00 AM
555 red s4 4:00:00 AM

could this be done by formula or VB code please help - highly appreciated.