No, this is not true. That's the entire point I'm making. An RSU that is vested, for a private company, is
not a share of stock, it's an entitlement to receive a share of stock tied to a liquidity event.
> same as regular stock purchased through the market
You cannot purchase stock of a private company on the open market.
> The company cannot claw them back
The company cannot "claw back" a vested RSU but they can cancel it.
> nor do they "expire".
Yes, they absolutely do expire. Read your employment contract and equity grant agreement carefully.