SPAC · Merger completed
Integrated Rail and Resources Acquisition Corp.
Business combination with Tar Sands Holdings II, LLC
Integrated Rail and Resources Acquisition Corp. is a blank-check company (SPAC). It completed its business combination with Tar Sands Holdings II, LLC on Dec 12, 2025; the combined company is Integrated Rail and Resources Inc. (Holdings, f/k/a Uinta Infrastructure Group Corp.).
Tar Sands Holdings II, LLC is a privately held company established in 2013 by Utah-based Endeavor Capital Group. It controls real estate and natural resource development rights in Utah's Uintah Basin, including permits for processing and refining certain natural resources, assets it has maintained but not operated.
- Status
- Merger completed
- Target
- Tar Sands Holdings II, LLC
- Announced
- Nov 12, 2024
- Closed
- Dec 12, 2025
- Combined company
- Integrated Rail and Resources Inc. (Holdings, f/k/a Uinta Infrastructure Group Corp.)
More on this SPAC for subscribers
- Redemptions at each extension and at the merger vote
- Shareholder vote date
- Merger proxy, registration statement and investor presentation
- Analyst notes from the filings
Every record in the database also has its full filing timeline, a daily-updated calendar, watchlist alerts and Excel export.
Then $99/month or $999/year. Cancel anytime.
Filings
- Deal announcement (8-K) Nov 12, 2024
- Press release
- All filings on EDGAR CIK 2044112
Other deSPACs that closed in 2025
- SharonAI Holdings, Inc.via Roth CH Acquisition Co. (Roth CH Acquisition V) · closed Dec 16, 2025
- AMC Robotics Corporationvia AlphaVest Acquisition Corp. · closed Dec 9, 2025
- Twenty One Capital, Inc.via Cantor Equity Partners, Inc. · closed Dec 8, 2025
- ProCap Financial, Inc.via Columbus Circle Capital Corp. I · closed Dec 5, 2025
- Alps Group Inc.via Globalink Investment Inc. · closed Oct 28, 2025
- Terrestrial Energy Inc.via HCM II Acquisition Corp. · closed Oct 28, 2025