York Space Systems faces proposed securities class actions over allegations that it misrepresented the readiness and capabilities of software used on its satellites. Robbins LLP said investors who purchased York common stock in its January 2026 initial public offering or securities between January 29 and May 11, 2026, may seek lead-plaintiff appointment by October 30, 2026. The complaint alleges that York launched satellites before mission and payload software was fully functional, potentially jeopardizing contracts with the Pentagon's Space Development Agency, and made misleading statements about its business and prospects. It also alleges that 96% of York's fiscal 2025 revenue came from U.S. Federal Government projects under the SDA, mainly its Transport Layer program, whose third tranche was halted after a reported restructuring. Wolfpack Research raised similar allegations on May 11, after which York shares fell approximately $7 intraday, according to Robbins; earlier notices calculated a $3.91, or 10.9%, decline from May 11 to May 12. The proposed class has not yet been certified.