Rush Street Interactive, Inc., trading under the SPAC ticker DMYT and sponsored by dMY Technology Group, filed a DEFA14A — additional definitive proxy soliciting materials — with the SEC on May 8, 2026, signaling active shareholder communication ahead of a pending vote. The vehicle operates in the online gaming and interactive entertainment sector, targeting a business combination with Rush Street Interactive, a Chicago-based operator of online casino and sports-betting products across multiple U.S. states and select international markets. The DEFA14A supplements previously filed definitive proxy materials as the parties advance toward a shareholder decision. Sign up at SpacDesk for full filing history, vote timelines, and real-time SPAC deal analytics on DMYT and hundreds of other active vehicles.