Filing multiple H-4 & EAD petitions

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Hi,

I am currently with employer A and am planning to move to employer B who is filing my H-1B, my spouse's H-4 and H-4 EAD (in premium) this week (hopefully). I also have an employer C who is also filing my H-1B, my spouse's H-4 and H-4 EAD (again in premium) next week. Is it OK to file H-4 and H-4 EAD along with each H-1B petition? Meaning, is it ok to file multiple H-4 and H-4 EAD petitions?

Thanks in advance