He's not listed as part of the 13 people charged by the DoJ. It's possible that he was arrested later. But Glenn didn't lie here.
So the parler exec probably looked at this list, checked to see if any one of these people used his platform, and found none did. Then he told Glenn. However, more people have since been charged.
Glenn is absolutely right here. If anything, the article needs an update because of all the authoritarian shit (new patriot act, sending rioters to gitmo, etc) proposed over the last week.
https://web.archive.org/web/20210106213432/https://parler.co...
https://www.azcentral.com/story/news/local/arizona-breaking/...
So this claim is trivially falsifiable with even the most minimal journalistic effort.