Carolina released Grimaldi on Sunday from his professional tryout agreement.
Grimaldi signed a professional tryout agreement with Carolina, Walt Ruff of the Hurricanes' official site reports Tuesday.
Grimaldi was reassigned to AHL Milwaukee on Saturday.
Grimaldi was summoned from AHL Milwaukee on Thursday.
Grimaldi cleared waivers Friday, Adam Vingan of The Athletic reports.
Grimaldi was waived by the Predators on Thursday, Adam Vingan of The Athletic reports.
Grimaldi served as a healthy scratch for the third time in five games Saturday against the Jets.
Grimaldi scored a shorthanded goal in Monday's 5-0 win over the Hurricanes.
Grimaldi was a healthy scratch for the fifth consecutive game Saturday against the Stars.
Grimaldi scored a goal on two shots, supplied an assist and went plus-4 in Tuesday's 7-2 win over the Lightning.