Under the mobile workforce / multi-state taxation rules, an employee who works in multiple states during an RSU vesting period is typically taxed by each state based on:
-
A
Only the state of residence at the vesting date
-
B
Only the state where corporate headquarters is located
-
C
The portion of the vesting period the employee worked in that state (apportionment)
-
D
No state income tax applies to equity compensation