[May 20, 2026]

Securities Fraud Investigation Into York Space Systems, Inc. (YSS) Announced - Shareholders Who Lost Money Urged To Contact Glancy Prongay Wolke & Rotter LLP, a Leading Securities Fraud Law Firm

Glancy Prongay Wolke & Rotter LLP, a leading national shareholder rights law firm, today announced that it has commenced an investigation on behalf of York Space Systems, Inc. ("York Space Systems" or the "Company") (NYSE: YSS) investors concerning the Company's possible violations of the federal securities laws.

IF YOU ARE AN INVESTOR WHO LOST MONEY ON YORK SPACE SYSTEMS, INC. (YSS), CLICK HERE TO INQUIRE ABOUT POTENTIALLY PURSUING CLAIMS TO RECOVER YOUR LOSS.

What Happened?
On January 29, 2026, York Space Systems completed its initial public offering ("IPO"), with an opening price of $34 per share.

On May 11, 2026, Wolfpack Research published a short report alleging that the Pentagon's decision to eliminate the space program responsible for the majority of York's annual revenue "was rooted in severe disappointment in York" including claims that "York deceived the SDA with false advertising to win its contracts, cut corners, and delivered satellites whose mission-critical-software was not completed." The report states "two former software engineers told us the company sent satellites into space without even knowing if the software was fit to accomplish its basic mision" and "another former employee told us that York would cut corners and use unqualified people, like office administrators and accountants to build parts and perform tests."

Following this news, shares of York Space Systems are trading as low as $25 per share, a 26% decline from its IPO price of $34 per share.

Contact Us To Participate or Learn More:
If you wish to learn more about this action, or if you have any questions concerning this announcement or your rights or interests with respect to these matters, please contact us.
Charles Linehan, Esq.,
Glancy Prongay Wolke & Rotter LLP,
1925 Century Park East, Suite 2100,
Los Angeles California 90067
Email: [email protected]
Telephone: 310-201-9150 (Toll-Free: 888-773-9224)
Visit our website at www.glancylaw.com.
Follow us for updates on LinkedIn, Twitter, or Facebook.

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 [email protected].

About Glancy Prongay Wolke & Rotter LLP
GPWR is a premier law firm with decades of experience representing investors and consumers in securities litigation and other complex class action litigation. Recognizing the firm's recent successes, GPWR was named one of Law360's Securities Groups of the Year and ranked second-highest in total investor recoveries by Institutional Shareholder Services Securities Class Action Services in 2025. GPWR's lawyers have handled cases covering a wide spectrum of corporate misconduct and relating to nearly all industries and sectors. GPWR's past successes have been widely covered by leading news and industry publications such as The Wall Street Journal, The Financial Times, Bloomberg Businessweek, Reuters, the Associated Press, Barron's, Investor's Business Daily, Forbes, and Money. Prior results do not guarantee a similar outcome.

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View source version on businesswire.com: https://www.businesswire.com/news/home/20260520030556/en/

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