16 December 2025
Disclaimer: This is a simplified summary of a public company filing. See full disclaimer here.
IRONSTONE PROPERTIES, INC.
CIK: 723269•2 Annual Reports•Latest: 2025-04-16
10-K / April 16, 2025
Revenue:-$158,973
Income:-$599,302
10-K / September 19, 2024
Revenue:N/A
Income:-$1,345,048
10-K / April 16, 2025
Ironstone Properties, Inc. Overview
Company Background
- Name: Ironstone Properties, Inc. (formerly Ironstone Group, Inc.)
- Incorporation Year: 1972
- Ownership: Majority owned by Hambrecht & Quist Group since 1986; repurchased shares in September 2003, now held as treasury stock.
- CEO: William R. Hambrecht, who owns approximately 49.8% of the voting shares as of December 31, 2024.
- Name Change: Rebranded from Ironstone Group, Inc. to Ironstone Properties, Inc. in September 2021.
Business Strategy
Ironstone focuses on pursuing disruptive business opportunities across various technology sectors. As of December 31, 2024, the company's financials were as follows:
- Cash: $26,174
- Non-marketable Investments: $3,161,359
- Marketable Securities: $0
Despite these efforts, the company recognizes the risk of failure to acquire businesses or expand services, which could negatively impact operational results.
Employees
- Total Employees: 1 part-time contract employee.
- Compensation:
- 2024: $5,539
- 2023: $8,126
- Collective Bargaining: The employee is not part of a collective bargaining agreement.
Risk Factors
- Investments: Main assets consist of non-marketable securities in TangoMe Inc., Buoy Health, Inc., and Aristotle Inc.
- Audit Issues: The company has been unable to engage a PCAOB auditor for financial examinations since 2022, leading to its removal from the "Retail OTC" to the "Expert Trading" category by the SEC, which has reduced trading liquidity.
Cybersecurity Management
Ironstone has implemented basic cybersecurity measures appropriate for its size:
- User Access Reviews: Conducted regularly.
- Security Measures: Include strong password requirements, multi-factor authentication, routine data backups, installation of antivirus software, and timely security updates.
- External IT Support: Engaged as needed for cybersecurity matters.
Properties
- Headquarters Location: 909 Montgomery Street, San Francisco, California 94133 (leased office space from WR Hambrecht+Co., LLC).
Financial Performance (as of December 31, 2024)
- Specific figures for revenue and income are not provided in the document, but it indicates cash and investments without explicit revenue details. The operational footprint remains limited with one contract employee, suggesting a potential focus on strategic investment rather than extensive operational activity.
Summary
Ironstone Properties, Inc. engages in investment opportunities within technology sectors. With minimal staff and limited financial resources, the company faces challenges in auditing and market liquidity. Its cybersecurity measures are basic, reflecting its small operational scale.
