Even post-B, the odds aren't good. They're better than pre-A obviously but it could still be 4-5 years and there are a ton of ways to f* it all up before then.

I just wrote about this last week - https://medium.com/@CaseySoftware/tech-ipos-an-inside-out-vi... - after personally experiencing IPOs of both Twilio (joined post-B) and Okta (joined post-F).

Edit: Replaced the link to my site with the Medium post.