H1b Trasfer 100K rule

Hi all,

H1b Have been selected in lotter 2025 May, petition approved Apr 2026.

My employer is not sharing I 797 B, what are my options ?

Another employer and same client are ready to transfer 100 K rule applies in this situation for me?

currently i am out side US needs to go to stamping, H1b petition is valid until 2028

Please suggest me.