Stan is Glader who was mentioned only once in The Scorch Trials.
Biography
The Maze Runner
In the Maze Runner film, Stan is one of the 20 Gladers who escaped the Maze and went through the next phase.
The Scorch Trials
In The Scorch Trials, Stan was presumably blown up by lighting during the thunderstorm in the Scorch along with 6 others including Winston, Jack, and Tim.Stan's name as seen engraved on the wall
Films
The Maze Runner
In the Maze Runner film, Stan's name is engraved on the wall untouched. Unlike in the book, Stan is killed during the Griever attack.