Dal Colle was released from his professional tryout with the Senators on Saturday.
Dal Colle secured a professional tryout agreement with Ottawa on Thursday.
Dal Colle was reassigned to AHL Bridgeport on Saturday, per CapFriendly.
Dal Colle was promoted from the taxi squad to the active roster Thursday.
Dal Colle was placed on waivers by the Islanders on Monday, indicating he has signed a contract with New York, Sportsnet's Chris Johnston reports.
Per Andrew Gross of Newsday, Dal Colle (undisclosed) will be in attendance at the Islanders' training camp.
Dal Colle (undisclosed) was not given a qualifying offer by the Islanders on Monday and will hit the open market, CapFriendly reports.
Dal Colle (undisclosed) remained in New York to continue skating on his own while the Islanders are in Tampa Bay for Games 1 and 2 of their third-round matchup with the Lightning, Brian Compton of NHL.com reports.
Dal Colle (undisclosed) is out of the lineup for Sunday's Game 1 against the Lightning, Andrew Gross of Newsday reports.