Evan Spiegel, TheStreet's Jim Cramer has some advice. 

"You have to round up all of the people in the 711 million shares that are coming off and get their commitment to not sell," Cramer said, when talking about newly public Snap (SNAP - Get Report) .

Snap is currently trading below its IPO price if $17. Its lockup period expires July 31. 

This video was originally published on July 12.

More From Jim Cramer: