I work for startup, finishing third year. I joined in quite early stage. Every year I received a package of options that vest 25% every year for 4 years. So the

I work for startup, finishing third year. I joined in quite early stage. Every year I received a package of options that vest 25% every year for 4 years. So the company still expects me to stay for next 4 years. Is 3 years long term employment? For me yes, I used to switch every ~4-5 years, and my current company does a lot to make us stay for longer.