Is it common for startup employees (beyond the first dozen hires or so) to have access to the full information about who owns what stock, and with what liquidat

Is it common for startup employees (beyond the first dozen hires or so) to have access to the full information about who owns what stock, and with what liquidation preferences? If that information is available, the title could be rewritten as "guy who didn't read contract gets burned". Hardly a revelation. It's only problematic if there's no way to know of and safeguard yourself against these situations.