I think maybe that used to be the case because I remember something similar. Edit - they still do but just haven't updated it for Juulsen, I'm guessing because he was on an NHL roster and very close to the GP threshold.
In any case, Juulsen is unequivocally a Group VI UFA.
Unrestricted Free Agents (UFA) UFA's are free to sign with any team, and their previous team receives no compensation. UFA's cannot sign contracts with new teams until July 1 at 12pm Eastern. Group 3 UFA This is the most common type of UFA. A player becomes an Unrestricted Free Agent (UFA) if...
puckpedia.com
Juulsen is 26, has completed 6 professional seasons, and has played 68 NHL games. Interestingly if he didn't get hurt there's a decent chance he gets the extra 12 games and is then an RFA.
Here's a complete list of pending Group VI UFAs (which includes both Juulsen and Lockwood, and Olli Juolevi):
Though most players have to wait until after their 27th birthday to become an unrestricted free agent, able to sign …
www.prohockeyrumors.com
Parker Wotherspoon is a name I'd keep an eye on as a local kid coming from a well-trained defensive system in NYI who showed pretty well in his NHL games this year.
They must only update intermittently because Will Lockwood was listed as an RFA at the point we traded him 6 weeks ago and is now listed as a pending Group VI.