im sure someone else can give a more detailed/accurate answer, but here's my understanding.
-young bleed was signed for 1 album, after it basically bombed & he garnered little to no attention from the strange fanbase, he was quietly let go (kinda like cognito)
-jay rock was signed for a 1 album deal and after the success of kendrick/black hippy he has gone his own way.scoob has been MIA for a minute now...i believe he is still signed to strange and will probably resurface down the line.
-strange lane was a side-label that never really took off and has been shelved since the young bleed project.