Log in or register
Share on LinkedInShare on LinkedIn

ARTICLE · 05 JUNE 2025

Space Business Review May 2025

Milbank
Milbank
Contributor
Milbank

Milbank

Milbank has been in London for over 40 years, assisting clients with their most complex,...

View firm profile
Explore more from Milbank

May 8 – Space solar power manufacturer mPower Technology, Inc. raised $21m in a Series B funding round led by Razor's Edge Management, LLC, with participation from Shield Capital LLC.

United StatesFinance and Banking
Dara Panahy
Dara Panahy
Bijan Ganji
Bijan Ganji
Author LinkedIn connections

May Fundraising & Investment Activity

May 8 – Space solar power manufacturer mPower Technology, Inc. raised $21m in a Series B funding round led by Razor's Edge Management, LLC, with participation from Shield Capital LLC.

May 14 – Radioisotope power systems business Zeno Power Systems Inc. secured $50m in a Series B funding round led by Hanaco Venture Capital Ltd., with participation from Seraphim Space Manager LLP, Balerion Space Ventures and others.

May 15 – Solestial, Inc., a solar energy start-up, raised $17m in a Series A funding round led by AE Ventures, with participation from existing investors Airbus Ventures and Industrious Ventures and several new investors, including Mitsubishi Electric Corporation's ME Innovation Fund.

We operate a free-to-view policy, asking only that you register in order to read all of our content. Please login or register to view the rest of this article.

Register for freeORLog in

The content of this article is intended to provide a general guide to the subject matter. Specialist advice should be sought about your specific circumstances.

View source

Related Articles

Legal Intelligence Newsletters: sign up for the latest legal and regulatory news on your chosen topics

Read more about

Related Comparative Guides

See more popular content from

Article

SEC Advances “Responsible Retailization” Through A Potential Accredited Investor Exam And Potential Regulated Fund Reforms

On September 30, 2026, the Securities and Exchange Commission (SEC) issued two rule proposals and five notices aimed at expanding investors’ access to private markets. The package would add ways to qualify as an accredited investor, including passing a new exam administered by the Financial Industry Regulatory Authority (FINRA), broaden performance-based compensation and modernize regulated funds, including interval funds and business development companies (BDCs).
United StatesFinance and Banking
Proskauer Rose LLP
Proskauer Rose LLP
Article

23x5 Trading Comes To US Exchanges: What Firms Should Know Before Launch

US national securities exchanges are preparing to launch 23x5 trading by December 6, 2026, marking the most significant expansion of trading hours in decades. This comprehensive analysis examines the regulatory approvals, operational infrastructure changes, investor protection mechanisms, and issuer considerations necessary to support overnight equity trading from Sunday through Thursday evenings.
United StatesFinance and Banking
WilmerHale
WilmerHale
Article

OCC Issues Examiner Framework For Banks’ Use Of Artificial Intelligence

The Office of the Comptroller of the Currency has released a new framework for evaluating banks' deployment of artificial intelligence and agentic AI systems in their business operations. This guidance establishes how examiners will assess AI through existing risk management disciplines rather than creating separate regulatory requirements, with review intensity scaled to each use case's potential consequences and level of human oversight.
United StatesFinance and Banking
Sheppard
Sheppard
Article

SEC Approves FINRA’s New “Outside Activities” Rule

The Securities and Exchange Commission has approved FINRA Rule 3290, which will replace existing rules governing outside business activities and private securities transactions for registered persons. This new rule narrows the scope to focus on investment-related activities while maintaining similar supervisory obligations for member firms. Understanding the key changes and implementation requirements will be critical for broker-dealers as they update their compliance policies and procedures.
United StatesFinance and Banking
WilmerHale
WilmerHale
Article

U.S. Treasury Department Proposes To Expand Outbound Investment Rule

The U.S. Treasury Department has proposed sweeping expansions to the Outbound Investment Rule program that would dramatically increase oversight of American investments in strategic sectors abroad. The proposed regulations would add hypersonic systems, advanced aerospace, and biotechnologies to existing restrictions on semiconductors, AI, and quantum computing, while designating Russia, Iran, Cuba, and North Korea as countries of concern.
United StatesGovernment, Public Sector
Milbank
Milbank
Article

Power Play: DOJ’s Antitrust Division Puts Electricity Markets, And Digital Infrastructure Under The Microscope

The Department of Justice's Antitrust Division has signaled renewed scrutiny of electricity generation and data center transactions, marking its first structural relief requirement in a generation merger since 2011. Milbank attorneys examine the implications of the DOJ's December 2025 action requiring divestiture of six power plants in Constellation Energy's $26.6 billion Calpine acquisition.
United StatesAntitrust/Competition Law
Milbank
Milbank
Article

CFTC Proposes A Comprehensive Framework For Prediction Markets: Key Takeaways From The Notice Of Proposed Rulemaking

The Commodity Futures Trading Commission has proposed sweeping amendments to clarify when prediction market contracts on sports, elections, and entertainment are permissible under federal law. The rulemaking introduces a structured framework for evaluating event contracts, defining key terms like "gaming" and establishing criteria to assess whether such markets serve legitimate hedging and price discovery functions or cross the line into prohibited territory. At stake is the future of prediction markets in
United StatesFinance and Banking
Milbank
Milbank