Thompson scored a goal in Monday's 4-3 shootout loss to the Flyers.
Thompson was called up from AHL San Jose on Saturday.
Thompson was assigned to AHL San Jose on Monday.
Thompson was summoned from AHL San Jose on Sunday.
Thompson was returned to AHL Syracuse on Monday.
Thompson was recalled from AHL Syracuse on Friday.
Thompson signed a three-year, entry-level contract with the Lightning on Tuesday, per CapFriendly.
Thompson was drafted 93rd overall by the Lightning at the 2020 NHL Entry Draft on Wednesday.