I use a database in which firms have sometimes two International Securities Identification Number (ISIN). I would like to merge two databases but I can not merge firms with two ISIN (I use the ISIN to merge the two databases). Is there any way I can convert two ISINs next to each other into vertically sperate cells (from horizontal to vertical). For example:

ISIN___________________|_Number of employees | number of executives |
GB32153453 GB34523454 | 12365 _____________| 20

I would like them to be:

ISIN_______ |_Number of employees | number of executives |
GB32153453 | 12365 _____________| 20
GB34523454 | 12365 _____________| 20

I would like to use a command in STATA to do this for me.