The NFL stops counting free agent acquisitions against the compensatory draft pick formula May 12. That means, there should be another round of free agent signings shortly thereafter.
The Miami Dolphins, and the rest of the NFL, are preparing for another round of free agency as the calendar closes in on the May 12 magical date. During most of free agency, the league uses the players a team loses, along with the new contracts a team signs, in an algorithm to determine compensatory draft picks awarded for the following year's Draft. The league ends those considerations on May 12, meaning teams can now sign players without endangering any potential compensatory picks they will receive for the 2017 Draft.