Glancy Prongay Wolke & Rotter LLP, a leading national shareholder rights law firm, has announced it continues its investigation into York Space Systems, Inc. (NYSE: YSS) on behalf of investors. The firm is examining possible violations of federal securities laws following significant market volatility and allegations of corporate misconduct detailed in a recent short seller report.

York Space Systems completed its initial public offering on January 29, 2026, with shares opening at $34 per share. However, investor confidence eroded sharply following the publication of a report by Wolfpack Research on May 11, 2026. The report alleged that the Pentagon eliminated the space program responsible for the majority of York's annual revenue due to severe disappointment in the company's performance.

Allegations of Operational Failures

The Wolfpack Research report cited claims that York deceived the Space Development Agency (SDA) through false advertising to secure contracts. Key allegations included:

• Cutting corners in production processes.
• Delivering satellites with incomplete mission-critical software.
• Sending satellites into space without verifying if the software could accomplish its basic mission, according to two former software engineers.
• Using unqualified personnel, such as office administrators and accountants, to build parts and perform tests, according to another former employee.

Market Impact

Following the release of these allegations, York Space Systems shares traded as low as $25 per share. This represents a 26% decline from its IPO price of $34 per share, resulting in financial losses for investors who purchased stock during or shortly after the offering.

What the Numbers Show

The divergence between the company's public listing price and its subsequent trading low highlights the immediate market reaction to the credibility crisis. The $9 per share drop from the $34 IPO price to the $25 low underscores the severity of the investor loss triggered by the allegations of fundamental operational failures in core revenue-generating programs.

Investor Action

Investors who lost money on York Space Systems securities are urged to contact Glancy Prongay Wolke & Rotter LLP to inquire about potentially pursuing a claim to recover their losses. Those interested in participating or learning more can reach out via the following channels:

• Phone: 310-201-9150 (Toll-Free: 888-773-9224)
• Email: shareholders@glancylaw.com
• Website: www.glancylaw.com

Individuals inquiring by email are requested to include their mailing address, telephone number, and number of shares purchased.

Whistleblower Notice

Persons with non-public information regarding York Space Systems should consider their options to aid the investigation or take advantage of the SEC Whistleblower Program. Under the program, whistleblowers who provide original information may receive rewards totaling up to 30 percent of any successful recovery made by the SEC. For more information, call Charles H. Linehan at 310-201-9150 or 888-773-9224 or email shareholders@glancylaw.com .

This press release may be considered Attorney Advertising in some jurisdictions under applicable law and ethical rules.

Lowey Dannenberg P.C. is investigating York Space Systems, Inc. for potential violations of federal securities laws. The investigation focuses on whether the company and its executives provided investors with accurate and complete information about its business operations and contracts. This scrutiny follows a critical report that alleges significant issues with York Space's performance and disclosures regarding a major government contract.

On May 12, 2026, Wolfpack Research published a short report titled "YSS: Lost In Space – The Pentagon Just Killed 96% of York’s Revenue." The report alleges that the Pentagon’s decision to eliminate its Space Development Agency (SDA) Tranche 3 Transport Layer—a program responsible for the majority of York’s annual revenue—was rooted in severe disappointment in York Space. Citing discussions with multiple former employees, Wolfpack Research claims that York Space deceived the SDA with false advertising to win contracts, cut corners, and delivered satellites with incomplete mission-critical software.

Attorney Andrea Farah, Partner and Head of the securities practice at Lowey Dannenberg P.C., stated that the investigation concerns the accuracy and completeness of the information provided to investors by the company and its executives. The law firm is examining whether the alleged discrepancies between the company's representations and its actual performance constitute violations of federal securities laws.

Investors who suffered losses in York Space securities are encouraged to check their eligibility through Lowey's case management platform. The firm has invited affected shareholders to participate in the investigation by contacting its attorneys directly. Lowey Dannenberg P.C. is a national firm representing institutional and individual investors who suffered financial losses resulting from corporate fraud and malfeasance, with a history of prosecuting multi-million-dollar lawsuits and recovering billions of dollars for investors.