Approved I-140 and 6+3 years extension

[Shruti1983]

--If I-140 is approved via employer-A in the 6th year of H1(only 4 months left out of 6 years). 
--Now the employee wants to transfers his H1 to Employer-B.
--Will the employee get another 3 years of H1 extension via Employer-B(6 years already ending soon + 3 more years) based on his I-140 approval via the Employer-A.