A proposed securities class action has been filed against York Space Systems Inc. on behalf of investors who bought securities in or traceable to its January 2026 initial public offering or between Jan. 29 and May 11, 2026. Robbins LLP says the complaint alleges York misled investors about its ability to maintain contracts with the Pentagon’s Space Development Agency, which accounted for 96% of fiscal 2025 revenue. The allegations include claims that mission and payload software was incomplete before satellite launches and that York used misleading advertising and disclosures to secure contracts. The action follows an April 2026 restructuring of the SDA’s Transport Layer program and Wolfpack Research’s May 11 report, after which York shares fell approximately $7 intraday. An earlier notice from Robbins Geller Rudman & Dowd identified a related case, Ianelli v. York Space Systems Inc., and a separate Oct. 30, 2026, lead-plaintiff deadline.