Unfortunately, the approved I-140 EB1C is no help here; for you to be able to stay past your 60 days grace period, you will need to get sponsored for another work visa (likely the O-1 but you need to have a discussion with an attorney) or file an application to change your status to B-2 visitor status during the grace period.
Unfortunately, the approved I-140 EB1C is no help here; for you to be able to stay past your 60 days grace period, you will need to get sponsored for another work visa (likely the O-1 but you need to have a discussion with an attorney) or file an application to change your status to B-2 visitor status during the grace period.