To duplicate the Grant you can either via the Stakeholders page:
navigate to the ‘Stakeholders’ section in the menu on the left
find the Stakeholder you’d like to make changes to via the filtering section on the top left corner
get into the Stakeholder page, scroll down to the grants, and open the needed grant
press 'More' in the right corner of the page and then choose 'Duplicate Grant'
add the necessary information, and then confirm it
Another option – via ‘Grants’ section:
navigate to the ‘Grants’ section in the 'Securities' block in the menu on the left
find needed grant via the filtering section on the top left corner
press three dots on the right side next to the grant description
choose 'Duplicate Grant' add the necessary information, and then confirm it