What Changed
Price Move History
- Daily moves over 5%
- 133 252 sessions, September 10, 2025 to September 10, 2026
- Largest daily move
- +97.4% close of December 22, 2025
- 1-year change
- +63.9% closing prices, September 10, 2025 to September 10, 2026
Company Description
Sidus Space, Inc. (NASDAQ: SIDU) is an innovative space and defense technology company that focuses on satellite manufacturing, technology integration, and AI-driven space-based data solutions. According to the company’s public disclosures, Sidus Space offers flexible, cost-effective capabilities that span satellite manufacturing and technology integration, AI-driven data solutions, mission planning and management operations, AI/ML products and services, and space and defense hardware manufacturing. The company describes its mission as Space Access Reimagined®, emphasizing rapid innovation, adaptable solutions, and the optimization of space system and data collection performance.
Sidus Space reports demonstrated space heritage, including manufacturing and operating its own satellite and sensor system, known as LizzieSat®. The LizzieSat platform is presented as a multi-mission satellite architecture that supports government, defense, intelligence, and commercial customers around the globe. The company highlights its ability to manufacture and operate satellites and to integrate customer payloads, sensors, and AI-enabled capabilities to support space-based data services.
The company is strategically headquartered on Florida’s Space Coast, where it operates a 35,000-square-foot space manufacturing, assembly, integration, and testing facility. This location provides proximity to nearby launch facilities, which Sidus Space identifies as an advantage for supporting satellite deployment and space missions. From this base, the company supports customers across government and commercial sectors, including defense and intelligence communities.
Business focus and capabilities
Based on its public descriptions, Sidus Space’s activities center on several core areas:
- Satellite manufacturing and technology integration – designing and building satellites and integrating technologies and payloads for in-space missions.
- AI-driven space-based data solutions – using artificial intelligence to process and deliver data collected from space-based sensors.
- Mission planning and management operations – supporting the planning and operational management of space missions.
- AI/ML products and services – applying artificial intelligence and machine learning to space and defense use cases.
- Space and defense hardware manufacturing – producing hardware components for space and defense applications.
The LizzieSat satellite and sensor system is a key element of the company’s offering. Sidus Space notes that it has manufactured and operated this system, and that the platform supports multiple missions and customer payloads. In one of its announcements, the company describes LizzieSat-3 (LS-3) as a multi-mission platform that supports a diverse revenue mix, including technology demonstrations, constellation-as-a-service programs, and data-as-a-service contracts. LS-3 is described as capable of AI-driven, on-orbit sensor data processing through the Orlaith AI Platform, powered by FeatherEdge edge computing, and carrying a sensor suite that includes high-resolution imaging systems and an Automatic Identification System (AIS) payload for receiving maritime vessel data.
Sidus Space also highlights its role in mission-ready, integrated technologies for defense and national security applications. For example, the company has been named as one of the contract awardees under the Missile Defense Agency’s Scalable Homeland Innovative Enterprise Layered Defense (SHIELD) IDIQ contract, which is associated with the Golden Dome missile defense strategy. In connection with this program, Sidus Space describes its ability to combine advanced technologies, vertical integration, and mission expertise to support multiple programs across air, missile, space, cyber, and hybrid threat domains.
Customers and end markets
In its public statements, Sidus Space reports that it serves government, defense, intelligence, and commercial companies around the globe. The company notes that it supports Commercial Space, Aerospace, Defense, Underwater Marine, and other commercial and government customers. These references indicate a focus on customers that require space-based data, satellite hosting, and specialized hardware for space and defense missions.
The company has also disclosed participation as a subcontractor in a NASA Small Business Innovation Research (SBIR) initiative, where it provides spacecraft integration expertise and constellation scaling analysis for a space-based radar system hosted on the LizzieSat platform. In that context, Sidus Space is responsible for input on host spacecraft specifications, including power and Guidance, Navigation, and Control (GNC) systems, and for examining constellation architectures to support space domain awareness and orbital debris tracking.
Corporate governance and capital markets activity
Sidus Space’s securities trade on the Nasdaq under the ticker symbol SIDU. The company has used shelf registration statements on Form S-3 to conduct best-efforts offerings of its Class A common stock. Multiple Form 8-K filings describe placement agency agreements with ThinkEquity LLC, the issuance of shares in registered offerings, and the intended use of proceeds for working capital, general corporate purposes, sales and marketing, operational costs, product development, and manufacturing expansion.
The company’s SEC filings also document corporate governance actions, such as amendments to its bylaws to adjust quorum requirements for stockholder meetings and the outcomes of annual meetings of stockholders, including the election of directors and ratification of its independent registered public accounting firm. Additional filings describe changes to the composition of the Board of Directors and the appointment of new directors.
Role within the space and defense ecosystem
According to its public communications, Sidus Space positions itself within the broader space and defense ecosystem as a company that combines satellite manufacturing, AI-enabled data processing, and mission operations. Its LizzieSat platform, space manufacturing facility on Florida’s Space Coast, and participation in defense and NASA-related programs are central to how the company presents its capabilities.
By emphasizing AI-driven space-based data solutions, multi-mission satellites, and integration of advanced payloads such as radar and AIS, Sidus Space aims to support applications in defense, intelligence, and commercial markets that depend on timely, processed data from orbit. The company’s description of its mission, Space Access Reimagined®, underscores its focus on making access to space systems and data more adaptable and cost-effective for its customers.
Frequently asked questions about Sidus Space (SIDU)
The following FAQs summarize key points drawn from Sidus Space’s public disclosures and regulatory filings.
Stock Performance
Sidus Space (SIDU) closed at $2.00 on September 10, 2026. Over the past 12 months, the price has gained 63.9%.
SIDU Metrics & Rankings
Price returns through September 10, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
Sidus Space has 10 recent news articles. Of the recent coverage, 3 articles coincided with positive price movement and 7 with negative movement. Key topics include earnings, conferences, earnings date, management, offering. View all SIDU news →
SEC Filings
Sidus Space has filed 5 recent SEC filings, including 1 Form 3, 1 Form 8-K, 1 Form 10-Q, 1 Form SCHEDULE 13G/A. The most recent filing was submitted on August 14, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all SIDU SEC filings →
Financial Highlights
Sidus Space generated $3.4M in revenue in FY2025, retaining a -168.2% gross margin, operating income reached -$28.0M (-827.7% operating margin), and net income was -$29.5M, reflecting a -871.0% net profit margin. Diluted earnings per share stood at -$1.19. The company generated -$18.2M in operating cash flow. With a current ratio of 3.37, the balance sheet reflects a strong liquidity position.
Upcoming Events
Transporter-18 mission launch
LizzieSat-4 launch
Second payload launch
Sidus Space has 3 upcoming scheduled events. The next event, "Transporter-18 mission launch", is scheduled for October 1, 2026 (in 19 days). Investors can track these dates to stay informed about potential catalysts that may affect the SIDU stock price.
Short Interest History
Short interest in Sidus Space (SIDU) currently stands at 25.1 million shares, down 2.6% from the previous reporting period, representing 24.8% of the float. Since September 2025, short interest has increased by 475.8%. This high level of short interest suggests significant bearish sentiment among traders.
Days to Cover History
Days to cover for Sidus Space (SIDU) currently stands at 3.4 days, down 24.1% from the previous period. This days-to-cover ratio represents a balanced liquidity scenario for short positions. The days to cover has increased 181.8% over the past year, indicating improving liquidity conditions. The ratio has shown significant volatility over the period, ranging from 1.0 to 4.5 days.
SIDU Company Profile & Sector Positioning
Sidus Space (SIDU) operates in the Aerospace & Defense industry within the broader Radiotelephone Communications sector and is listed on the NASDAQ.
Investors comparing SIDU often look at related companies in the same sector, including Cpi Aerostruct (CVU), XTI Aerospace (XTIA), ParaZero Technologies Ltd (PRZO), SIFCO INDS INC (SIF), and Nauticus Robotic (KITT). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate SIDU's relative position within its industry.