H1b transfer while current h1 extension is in progress and i94 is expired

Hi Everyone,
Can you please help me with the below concern:
Can Employer B initiate H1B transfer while Employer A H1B extension is in progress and i94 is expired?

https://www.am22tech.com/h1b-transfer/#:~:text=You%20can%20file%20H1B%20transfer,will%20become%20a%20bridge%20petition.