AC21 use multiple times?

[hopeofgc]

Guru's,
Can one file multiple times of AC21? My GC is sponsored by company A. However, say i used AC21 to work for company B. Later, again i want to use AC21 to change job to company C before I-485 approval ? Is it possible?

 

[ginnu]

Guru's,
Can one file multiple times of AC21?
------yes
My GC is sponsored by company A. However, say i used AC21 to work for company B. Later, again i want to use AC21 to change job to company C before I-485 approval ? Is it possible?
---yes, send C permanent job offer letter with same/similar job duties