H4 EAD In-progress H1 Employer Change

Hi Anil,

I’m employed with company A and have validity till Nov’2022 and based on the approved i797 i have applied my wife’s H4 EAD based on company A approved I-140 and which is in progress. Now i have change my employer to company B and also got approved i797 till Sep 2023. Should i apply another H4 EAD from approved I-797 from company B or wait till USCIS makes a decision. What happens if company A withdraws my H1.