• $891.5M
    Market Cap
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    1-Year Change
  • Aerospace & Defense
    Industry

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Latest Research & News

Bronstein, Gewirtz & Grossman LLC Urges York Space Systems, Inc. Investors to Act: Class Action Filed Alleging Investor Harm

A class action lawsuit has been filed against York Space Systems, Inc. (NYSE: YSS) alleging that the company made materially false statements and failed to disclose that its satellite mission software was not fully functional before launch. The complaint claims the company deceived the Pentagon's Space Development Agency with false advertising to secure contracts while delivering incomplete products.

10/28/2026, 10:00 AM • GlobeNewswire

Bronstein, Gewirtz & Grossman LLC Urges York Space Systems, Inc. Investors to Act: Class Action Filed Alleging Investor Harm

A class action lawsuit has been filed against York Space Systems, Inc. (NYSE: YSS) alleging that the company made materially false statements and failed to disclose that its satellite mission and payload software was not fully functional before launch. The complaint claims the company deceived the Pentagon's Space Development Agency with false advertising to win contracts while delivering incomplete software, harming investors who purchased securities during the IPO and subsequent period from January 29 to May 11, 2026.

10/25/2026, 10:00 AM • GlobeNewswire

Beneficient Investor News: If You Have Suffered Losses in Beneficient, You Are Encouraged to Contact The Rosen Law Firm About Your Rights

Multiple law firms have announced investigations into potential securities fraud claims against several companies including Beneficient (BENF), J.B. Hunt Transport Services, and Azenta, Inc., alleging materially misleading business information. Investors who suffered losses are encouraged to join class action lawsuits. Additional class action reminders were issued for Flotek Industries, York Space Systems (YSS), and Innventure (INV) with approaching deadlines.

10/25/2026, 9:51 AM • GlobeNewswire

YSS EQUITY ACTION REMINDER: Faruqi & Faruqi, LLP Reminds York Space Systems (NYSE: YSS) Investors of Securities Class Action Lawsuit Deadline on October 30, 2026

A securities class action lawsuit has been filed against York Space Systems (NYSE: YSS) alleging the company made false statements about its satellite software functionality and failed to disclose risks to Pentagon contracts. The lawsuit covers investors who purchased securities during the January 2026 IPO and through May 11, 2026, when a critical report triggered a significant stock price decline. The deadline to seek lead plaintiff status is October 30, 2026.

10/25/2026, 8:55 AM • GlobeNewswire

UNCY DEADLINE NOTICE: ROSEN, A HIGHLY RECOGNIZED LAW FIRM, Encourages Unicycive Therapeutics, Inc. Investors to Secure Counsel Before Important November 2 Deadline in Securities Class Action - UNCY

Rosen Law Firm issued deadline notices for securities class action lawsuits against Unicycive Therapeutics (UNCY), York Space Systems (YSS), and Papa John's International (PZZA). The UNCY lawsuit alleges the company made false statements about manufacturing compliance and FDA approval prospects for its oxylanthanum carbonate drug. Investors have until specified deadlines in late October and early November 2026 to join the class actions.

10/24/2026, 7:02 PM • GlobeNewswire

YSS DEADLINE NOTICE: ROSEN, A LEADING NATIONAL FIRM, Encourages York Space Systems Inc. Investors to Secure Counsel Before Important October 30 Deadline in Securities Class Action – YSS

A securities class action lawsuit has been filed against York Space Systems Inc. alleging that the company made materially false and misleading statements about its satellite software functionality. The lawsuit claims York Space's onboard mission and payload software was not fully functional before launch, deceived the Pentagon's Space Development Agency with false advertising, and delivered satellites with incomplete mission-critical software. Investors who purchased YSS securities during the class period must act by October 30, 2026 to serve as lead plaintiff.

10/24/2026, 6:35 PM • GlobeNewswire

PZZA DEADLINE NOTICE: ROSEN, LEADING TRIAL ATTORNEYS, Encourages Papa John’s International, Inc. Investors to Secure Counsel Before Important November 2 Deadline in Securities Class Action - PZZA

Rosen Law Firm issued deadline notices for multiple securities class action lawsuits. Papa John's investors have until November 2, 2026 to join litigation alleging the company made false statements about its transformation strategy and concealed market share losses. Similar deadline notices were issued for York Space Systems (October 30 deadline) and Beta Bionics (November 3 deadline).

10/24/2026, 6:12 PM • GlobeNewswire

ROSEN, A LONGSTANDING FIRM, Encourages Honeywell Aerospace Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action - HONA

Rosen Law Firm has filed securities class action lawsuits against multiple companies. Honeywell Aerospace Inc. faces allegations of making false statements regarding supplier concentration risks, supply constraints, and undisclosed government contract investigations. York Space Systems Inc. and Webull Corporation also have pending class actions. Investors are urged to secure counsel before respective deadlines.

10/21/2026, 3:55 PM • GlobeNewswire

YORK SPACE DEADLINE: ROSEN, SKILLED INVESTOR COUNSEL, Encourages York Space Systems Inc. Investors to Secure Counsel Before Important October 30 Deadline in Securities Class Action – YSS

Rosen Law Firm is reminding York Space Systems Inc. (YSS) investors of an October 30, 2026 deadline to serve as lead plaintiff in a securities class action lawsuit. The lawsuit alleges that York Space made materially false statements about its satellite software functionality, deceived the Pentagon's Space Development Agency (SDA) with false advertising, and delivered satellites with incomplete mission-critical software before launch.

10/21/2026, 3:40 PM • GlobeNewswire

Bronstein, Gewirtz & Grossman LLC Urges York Space Systems, Inc. Investors to Act: Class Action Filed Alleging Investor Harm

A class action lawsuit has been filed against York Space Systems, Inc. (NYSE: YSS) alleging that the company made materially false statements and failed to disclose that its satellite mission software was not fully functional before launch. The complaint claims the company deceived the Pentagon's Space Development Agency to win contracts while cutting corners on satellite delivery.

10/21/2026, 10:00 AM • GlobeNewswire

Honeywell Aerospace, Inc. Notice of November 23, 2026 Application Deadline for Class Action Lawsuit - Contact Lewis Kahn, Esq. at Kahn Swick & Foti, LLC, Before Application Deadline

Kahn Swick & Foti, LLC announced class action securities lawsuits against Honeywell Aerospace and York Space Systems. Honeywell Aerospace is accused of making materially false statements regarding supplier concentration risks, supply constraints, and undisclosed government contract investigations related to cybersecurity compliance. Investors who purchased shares during specified periods can apply to become lead plaintiffs by the respective application deadlines.

10/20/2026, 11:56 PM • GlobeNewswire

York Space Systems, Inc. Notice of October 30, 2026 Application Deadline for Class Action Lawsuit - Contact Lewis Kahn, Esq. at Kahn Swick & Foti, LLC, Before Application Deadline

York Space Systems faces a class action lawsuit alleging the company made materially false statements about its satellite software functionality and misled the Pentagon's Space Development Agency. The lawsuit covers investors who purchased stock during the January 2026 IPO through May 11, 2026. A separate class action has also been filed against Honeywell Aerospace. The application deadline for York Space Systems is October 30, 2026.

10/20/2026, 11:47 PM • GlobeNewswire

YSS INVESTOR DEADLINE APPROACHING: Bragar Eagel & Squire, P.C. Urges York Space Systems Inc. Investors with Large Losses to Contact the Firm Before October 30th Seeking Lead Plaintiff Role

A class action lawsuit has been filed against York Space Systems Inc. (NYSE:YSS) in the U.S. District Court for the District of Colorado. The lawsuit alleges that York made false and misleading statements regarding its onboard mission and payload software functionality before satellite launches, and failed to disclose material risks to its Space Development Agency contracts. Investors who purchased YSS stock between January 29, 2026 and May 11, 2026 have until October 30, 2026 to apply to be appointed as lead plaintiff.

10/20/2026, 6:57 PM • GlobeNewswire

EXTENDED CLASS PERIOD: Robbins Geller Rudman & Dowd LLP Files Class Action Lawsuit Against York Space Systems, Inc. and Announces Opportunity for Investors with Substantial Losses to Lead Class Action Lawsuit

Robbins Geller has filed a class action lawsuit against York Space Systems (NYSE: YSS) on behalf of investors who purchased shares during its January 2026 IPO or between January 29 and August 13, 2026. The lawsuit alleges the company and its executives made materially false statements regarding contract performance with the Space Development Agency, undisclosed technical defects, and misleading revenue guidance. York Space's stock fell significantly following announcements of lower-than-expected revenues, a CFO departure, and reduced full-year guidance.

10/19/2026, 8:57 PM • GlobeNewswire

Bronstein, Gewirtz & Grossman LLC Urges York Space Systems, Inc. Investors to Act: Class Action Filed Alleging Investor Harm

A class action lawsuit has been filed against York Space Systems, Inc. (NYSE: YSS) alleging that the company made materially false statements and failed to disclose that its satellite mission software was not fully functional before launch. The complaint claims the company deceived the Pentagon's Space Development Agency with false advertising to secure contracts while cutting corners on satellite delivery.

10/18/2026, 10:00 AM • GlobeNewswire

Peers

Statistics

More
Day Range
$6.28
$6.61
$6.59
1-Year Range
$5.58
$43.45
$6.59
Latest Close$6.59
Change
+$0.10 (+1.52%)
Volume1,117,392
Market Cap$891.5M
Shares Outstanding137.4M
P/E (TTM)-2,403.70
Diluted EPS (TTM)-$0.003
Enterprise Value$504.5M

Information as of 10/28/2026

Company Profile

YORK SPACE SYSTEMS INC
https://www.yorkspacesystems.com
$891.5M
Market Cap
-$154.2M
Net Income
Sector: Industrials
Industry: Aerospace & Defense
6060 S Willow Drive, Greenwood Village, CO, United States, 80111
720 537 2655

York Space Systems, Inc. operates as a space and defense prime providing a comprehensive suite of mission-critical solutions for national security, government and commercial customers in the United States. It provides space and defense primes with proprietary hardware and software capabilities designed to address customers' requirements across the elements of the space ecosystem throughout the mission lifecycle. The company also engages in the design, production, integration, and operation of spacecraft to manage spacecraft and constellations. It offers S-CLASS, LX-CLASS, and M-CLASS spacecraft, which are satellite platforms to a range of space market needs. In addition, the company provides software that enables versatile integration of a variety of payloads for customers and supply chain commonalities across platforms, as well as software-enabled services. The company was formerly known as Yellowstone Midco Holdings II, LLC and changed its name to York Space Systems, Inc. in January 2026. York Space Systems, Inc. was founded in 2012 and is based in Greenwood Village, Colorado.

Key Executives

  • Devjyoti Rudra
  • Dirk Wallinger
  • Monica Palko
  • Christopher Evenden
  • Brian D. Frantz

Current Ownership Distribution

  • Institutions130.3M (61.14%)
  • Insiders49.6M (23.29%)
  • Mutual Funds33.2M (15.58%)
  • Other0 (0.00%)