The conservative media outlet went public earlier this year, and its stock soared early. Newsmax has traded like a meme stock ...

"I want to be building things like Dash that sort of make Dropbox 1.0 look like a footnote," Houston told Fortune.

Seattle needed the roster spot to sign undrafted rookie TE Mitch Van Vooren. McCollum also went undrafted out of North Carolina in April. He'll try to find work elsewhere ahead of training camp.