However, you're only taxed on RSUs if they are actually released to you.
It's possible to have RSU awards that vest without them being released to the employee. This means that (unlike exercised options) you can't sell them on the secondary market, but it also means that you aren't liable for taxes on an illiquid asset.
It's possible to have RSU awards that vest without them being released to the employee. This means that (unlike exercised options) you can't sell them on the secondary market, but it also means that you aren't liable for taxes on an illiquid asset.