Executive Summary
The June 3, 2026, filing stream reveals a robust SPAC market with three new IPOs (Tribeca, Disciplined Growth, FortuneX) raising $365M combined, alongside a major de-SPAC merger (Hall Chadwick/REEcycle, $400M) and a strategic extension (Bayview).
The M&A landscape is diverse, featuring high-growth tech acquisitions (CXApp/EngineRoom, tripling revenue), a transformative data infrastructure merger (Sphere 3D/Cathedra), and a large-scale European industrial takeover (Worthington Steel/Kloeckner, €6.4B sales target). Mixed signals emerge from ATN International's tower sale, which provides $268M in cash but forces a $7M EBITDA guidance cut, and FONAR's governance filing, which hints at potential future M&A. The overall sentiment is bullish on deal-making activity, but integration risks, sector volatility (bitcoin mining), and post-deal liquidity concerns (Kloeckner) present key risks. Capital is flowing into AI, clean energy, and critical minerals, with a notable trend of companies using M&A to scale operational capacity and recurring revenue bases.
Materiality, sentiment, and priority are scored by Gunpowder’s analysis pipeline. How we score filings →
Filing types in this digest: 8-K
Tracking the trend? Catch up on the prior US Merger & Acquisition SEC Filings digest from May 27, 2026.
Investment Signals (10)
- Hall Chadwick Acquisition Corp (HCAC) ↓ (BULLISH)▲
Definitive $400M all-stock merger with REEcycle, a rare earth recycler backed by a $5.1M U.S. War Production Act award. This provides a high-growth, government-supported entry into the critical minerals supply chain.
- CXApp Inc. (CXAI) ↓ (BULLISH)▲
Acquired EngineRoom for an undisclosed sum, expected to triple annualized revenue run-rate from ~$4M to >$12M and add ~$1.6M in adjusted EBITDA. The 94% recurring revenue base and founder retention for 3 years are strong positives.
- Sphere 3D Corp. (ANY) ↓ (MIXED)▲
Completed merger with Cathedra Bitcoin, creating a combined entity with 53 MW operating capacity and a 100 MW+ expansion pipeline. The scale is expected to improve profitability, though the bitcoin mining market remains volatile.
- Worthington Steel, Inc. (WS) ↓ (BULLISH)▲
Completed a voluntary public takeover of Kloeckner & Co SE (~62% stake) and launched a delisting tender offer at EUR 11.00/share. The deal provides massive scale (combined ~12,000 employees, €6.4B Kloeckner sales) and operational synergies.
- ATN International, Inc. (ATNI) ↓ (MIXED)▲
Completed the sale of its tower portfolio for $268M in cash, using $68M to pay down debt. The deleveraging and cash infusion are positive, but the subsequent $7M downward revision to 2026 Adjusted EBITDA guidance tempers the outlook.
- Disciplined Growth Acquisition Corp ↓ (BULLISH)▲
Completed a $150M IPO, with an additional $3.45M private placement. The large trust account ($150.75M) provides significant firepower for a future business combination.
- Bayview Acquisition Corp (BAYA) ↓ (BULLISH)▲
Secured a 6-month extension to Dec 19, 2026, with minimal redemptions (~$1.49M, <5% of shares). This indicates strong shareholder confidence in its merger with Oabay Inc., a Chinese trade credit tech pioneer.
- FortuneX Acquisition Corp ↓ (BULLISH)▲
Completed a $75M IPO with a $2.975M sponsor private placement. The warrant structure (1/2 warrant per unit at $11.50 strike) offers a potential leveraged upside for investors.
- ▲
Priced a $140M IPO focusing on high-growth sectors (AI, software, clean energy). The unique unit structure (share + right, no warrants) differentiates it from typical SPACs.
- Richtech Robotics Inc. (RR) ↓ (BULLISH)▲
Acquired a 79,325 sq ft Las Vegas facility for $21.2M to support GPU computing and robotics data services. This capital allocation signals a strategic pivot toward AI infrastructure and data center operations.
Risk Flags (8)
- Sphere 3D Corp (ANY) / Integration Risk↓ [HIGH RISK]▼
The merger with Cathedra Bitcoin closed on June 1, 2026. The combined entity faces significant integration risks, including merging corporate cultures and operational systems. The volatile bitcoin mining market adds another layer of uncertainty.
- ATN International (ATNI) / Guidance Cut [MEDIUM RISK]▼
The sale of the tower portfolio, while providing cash, forced a $7M reduction in full-year 2026 Adjusted EBITDA guidance (to $183-$193M). This represents a ~3.7% cut from the prior midpoint, signaling a material loss of earnings power.
- Worthington Steel (WS) / Liquidity Risk for Kloeckner Shareholders [MEDIUM RISK]▼
The delisting tender offer at EUR 11.00/share will significantly reduce liquidity for remaining Kloeckner shareholders. Those not tendering will be left with a hard-to-trade security.
- FONAR CORP / Governance Ambiguity↓ [LOW RISK]▼
The filing of an amended certificate of incorporation with standard M&A-related governance provisions (director liability limitation) without a specific transaction creates uncertainty. It could be a precursor to a deal or a routine update, but the lack of context is a flag.
- Sadot Group Inc. / Lack of Financial Disclosure↓ [MEDIUM RISK]▼
The 8-K reports a material definitive agreement and completion of an acquisition but provides no specific financial figures or performance metrics in the header. The lack of transparency on deal size and terms is a risk until the full filing is reviewed.
- Hall Chadwick Acquisition Corp (HCAC) / Execution Risk↓ [MEDIUM RISK]▼
The $400M merger with REEcycle includes a $50M earnout tied to a production milestone of 50 tonnes per annum of MREO. The commercial plant requires ~18 months and ~$40M capex, creating execution risk before the earnout is realized.
- Bayview Acquisition Corp (BAYA) / Time Decay↓ [MEDIUM RISK]▼
While the extension was approved, the clock is now ticking toward December 19, 2026. If the merger with Oabay Inc. fails to close by then, the SPAC will liquidate, and the stock will likely trade down to its trust value.
-
The SPAC's unit structure includes a share and a right (to receive 1/10th of a share), but no warrants. This limits the upside leverage for early investors compared to traditional SPAC structures with warrants.
Opportunities (9)
- CXApp Inc. (CXAI) / Revenue Inflection↓ (OPPORTUNITY)◆
The EngineRoom acquisition is expected to triple CXAI's annualized revenue run-rate to >$12M and add $1.6M in adjusted EBITDA. With 94% recurring revenue and a 3-year founder retention, this is a potential high-growth turnaround play.
- ◆
The merger with REEcycle offers a pure-play investment in domestic rare earth recycling, backed by a U.S. government award. The 18-month build timeline for the commercial plant is a fraction of the 7-10 years for new mines, offering a faster path to revenue.
- Richtech Robotics Inc. (RR) / AI Infrastructure Build↓ (OPPORTUNITY)◆
The $21.2M acquisition of a Las Vegas warehouse for GPU computing and data services positions the company for the AI boom. Initial data center operations expected in fall 2026 could be a major catalyst.
- Worthington Steel (WS) / Synergy Realization (OPPORTUNITY)◆
The acquisition of Kloeckner creates a combined entity with significant scale and cost-saving opportunities. Investors can benefit from the operational efficiencies and broader geographic presence, especially if the delisting offer is successful.
- ATN International (ATNI) / Deleveraging Catalyst (OPPORTUNITY)◆
The $268M tower sale proceeds, with $68M used to repay debt, strengthens the balance sheet. The remaining ~$200M provides firepower for strategic reinvestment or shareholder returns, which could be a positive catalyst.
- ◆
With $150.75M in trust and a focus on high-growth sectors, this SPAC presents a potential opportunity for investors to get in early on a future business combination. The low float post-IPO could lead to volatility.
- FortuneX Acquisition Corp / Warrant Leverage↓ (OPPORTUNITY)◆
The units include one-half of a warrant exercisable at $11.50. If the SPAC finds a high-quality target and the stock appreciates, the warrants offer significant upside leverage.
- Bayview Acquisition Corp (BAYA) / Merger Arbitrage↓ (OPPORTUNITY)◆
With the extension approved and minimal redemptions, the path to closing the Oabay Inc. merger is clearer. The current stock price may offer a discount to the expected deal value, creating a merger arbitrage opportunity.
- Sphere 3D Corp (ANY) / Scale-Driven Profitability↓ (OPPORTUNITY)◆
The combined entity's 53 MW operating capacity and 100 MW+ pipeline could drive significant economies of scale in bitcoin mining and HPC. If bitcoin prices stabilize or rise, the stock could see substantial upside.
Sector Themes (6)
- SPAC Renaissance (TREND)◆
Three new SPAC IPOs (Tribeca, Disciplined Growth, FortuneX) raised a combined $365M, signaling a revival in the blank-check market. This is the highest single-day SPAC IPO activity in recent months, indicating renewed investor appetite for SPACs targeting high-growth sectors.
- Critical Minerals and National Security (TREND)◆
The Hall Chadwick/REEcycle merger, backed by a U.S. Department of War Production Act award, highlights a growing theme of M&A driven by national security concerns over critical mineral supply chains. This is a key area for government-supported deals.
- AI Infrastructure Build-Out (TREND)◆
Both CXApp (AI platform) and Richtech Robotics (GPU-enabled computing) are making acquisitions to build AI infrastructure. This trend shows that companies are moving beyond software to acquire physical and digital assets to support AI workloads.
- Deleveraging Through Asset Sales (TREND)◆
ATN International's tower sale for $268M, with proceeds used to pay down debt, is a classic example of a company using M&A to strengthen its balance sheet. This trend is likely to continue as companies seek to reduce leverage in a higher interest rate environment.
- Consolidation in Data Infrastructure (TREND)◆
The Sphere 3D/Cathedra merger creates a larger, more diversified data infrastructure platform. This consolidation trend is being driven by the need for scale to compete in bitcoin mining and high-performance computing.
- European Industrial Takeover (TREND)◆
Worthington Steel's successful takeover of Kloeckner & Co SE is a significant cross-border M&A event. It demonstrates that U.S. industrial companies see value in acquiring European peers to gain scale and geographic diversification, despite a challenging regulatory environment.
Watch List (8)
-
Watch for shareholder vote and regulatory approvals for the REEcycle merger. Expected close in Q4 2026. The $50M earnout milestone (50 tonnes MREO) is a key catalyst to monitor. [Q4 2026]
-
Monitor progress on the Oabay Inc. merger. The new deadline is December 19, 2026. Any delays or negative news from the Chinese regulatory environment could be a risk. [Dec 19, 2026]
-
Watch for the first quarterly report post-EngineRoom acquisition to confirm revenue run-rate tripling and EBITDA contribution. The integration of the founder and the new CXAI Australia subsidiary are key. [Next Earnings Call]
- Worthington Steel (WS)👁
Monitor the success of the delisting tender offer for Kloeckner shares. The final acceptance level will determine the success of the full takeover. Also watch for initial synergy realization announcements. [Tender Offer Period]
- ATN International (ATNI)👁
Watch for how the company deploys the remaining ~$200M from the tower sale. Any announcement of a special dividend, buyback, or new acquisition will be a major catalyst. [Next 6 Months]
-
Monitor the build-out of the Las Vegas facility. Initial data center operations are expected in fall 2026. Any updates on GPU deployment or client contracts will be positive catalysts. [Fall 2026]
-
Watch for the first combined operational update. Key metrics include total hashrate, operating costs, and the progress of the 100 MW+ expansion pipeline. Bitcoin price action is also a critical external factor. [Next Earnings Call]
-
Monitor for any early announcements regarding a potential target. The SPAC's focus on AI, software, and clean energy makes it a candidate for a high-growth merger. [Next 12-18 Months]
Filing Analyses
(12)
03-06-2026
Tribeca Strategic Acquisition Corp. (BID) priced its $140 million initial public offering of 14,000,000 units at $10.00 per unit, with units expected to begin trading on Nasdaq on May 29, 2026 under the ticker 'BIDWU'. The SPAC intends to focus on a business combination in software, technology, artificial intelligence, digital asset, clean energy, and other high-growth sectors. The offering is expected to close on June 1, 2026, and the underwriters have a 45-day option to purchase up to an additional 2,100,000 units to cover over-allotments.
- · Each unit consists of one Class A ordinary share and one right to receive one-tenth of one Class A ordinary share upon consummation of an initial business combination.
- · No warrants are being issued publicly or privately in connection with this offering.
- · The SPAC may pursue a business combination in any industry or geography but intends to focus on software, technology, AI, digital asset, clean energy, and other high-growth sectors.
- · BTIG, LLC is the sole book-running manager; Odeon Capital Group LLC is co-manager.
- · The registration statement became effective on May 28, 2026.
03-06-2026
FONAR Corporation filed an 8-K with the SEC on June 3, 2026, detailing an amended and restated certificate of incorporation. The filing includes corporate governance provisions such as director liability limitation, indemnification, and exclusive forum selection, often precursors to or concurrent with a merger or acquisition transaction. No specific financial metrics or transaction details are disclosed in this exhibit.
- · The certificate of incorporation was amended and restated, reflecting standard corporate governance updates.
- · The total authorized shares are 10,000, all common stock with a par value of $0.0001 per share.
- · Director liability is limited except for breach of duty of loyalty, bad faith acts, intentional misconduct, and improper personal benefit.
- · The corporation provides mandatory indemnification for directors and officers to the fullest extent permitted by Delaware law.
- · The exclusive forum for legal disputes is the Court of Chancery of the State of Delaware (or federal district court if needed).
- · Articles Fifth and Sixth (liability and indemnification) are specifically reserved from amendment without consent.
03-06-2026
Hall Chadwick Acquisition Corp (HCAC) announced a definitive business combination with REEcycle, a domestic rare earth recycler, in an all-stock transaction valued at $400M. The deal includes $350M payable at closing and a $50M earnout upon achieving a production milestone of 50 tonnes per annum of mixed rare earth oxides (MREO). The combined company will list on Nasdaq, with REEcycle nominating 5 of 7 board members and management continuity. The transaction is expected to close in Q4 2026, subject to shareholder and regulatory approvals.
- · REEcycle's technology is backed by a $5.1M U.S. Department of War Production Act award.
- · The commercial plant is expected to be built in ~18 months with ~$40M capex, versus 7–10 years and billions for new mines.
- · Pro forma ownership at close: REEcycle securityholders 58.2%, HCAC sponsor & placement 14.1%, Advisor shares (HCAC) 10.2%, Advisor shares (REE) 4.4%, IPO public & PIPE 8.3%, Empire Capital 1.3%, Rights conversion 3.5%.
- · The PIPE is up to ~$50M at $10.00 per share.
- · Lock-up: REEcycle, Sponsor and Advisor shares under the same 6-month lock-up from Closing.
- · Closing conditions include HCAC and REEcycle shareholder approval, SEC effectiveness, and Nasdaq listing.
03-06-2026
CXApp Inc. (CXAI) acquired EngineRoom, an AI-powered growth intelligence platform, in a deal expected to triple CXAI's annualized revenue run-rate from ~$4M to over $12M and add ~$1.6M of adjusted EBITDA. The acquisition brings 50+ mid-market customer relationships and a channel to accelerate commercialization of CXAI's Agentic AI SKY platform, though the purchase price and financing terms were not disclosed.
- · EngineRoom brings ~$8.1M annualized revenue with ~94% recurring revenue and ~$1.6M adjusted EBITDA.
- · EngineRoom founder Adam Laurie will remain for at least three years post-closing as General Manager of CXAI EngineRoom, a subsidiary of newly formed CXAI Australia.
- · EngineRoom has expertise across Google Ads, Google Analytics, and Google Cloud, complementing CXAI's existing Google Cloud initiatives.
- · The combined platform aims to develop industry-specific AI solutions for professional services, healthcare, financial services, technology, education, and sports/entertainment.
- · No purchase price or financing details were disclosed in the filing.
03-06-2026
Sphere 3D Corp. (NASDAQ: ANY) and Cathedra Bitcoin Inc. completed their business combination on June 1, 2026, creating a combined data infrastructure platform with 53 MW of operating capacity across five data centers and a 100 MW+ expansion pipeline. The combined company retains Sphere's name and NASDAQ listing, with Joel Block as CEO. While the combination is expected to improve profitability through scale and diversification, integration risks and the inherently volatile bitcoin mining and high-performance computing markets present ongoing uncertainties.
- · Cathedra SV shareholders received 0.123014 Sphere common shares per share held; Cathedra MV shareholders received 12.3014 Sphere common shares per share.
- · Certain key Cathedra shareholders are subject to a 7% post-closing ownership cap, with excess consideration issued as non-voting preferred shares.
- · Joel Block received an inducement award of 500,000 RSUs, vesting bi-annually over two years, as a material inducement to join the combined company.
- · Cathedra's shares expected to be delisted from TSX Venture Exchange and OTCQB as of June 2, 2026.
- · Sphere's shares continue trading on NASDAQ under symbol ANY.
- · The combined company's bitcoin mining operations include 1.2 EH/s of installed proprietary hash rate.
- · The combined company plans to evaluate expansion into high-performance computing and AI infrastructure.
03-06-2026
Disciplined Growth Acquisition Corp. completed its IPO of 15,000,000 units at $10.00 per unit, raising $150,000,000 in gross proceeds. Simultaneously, a private placement of 345,000 units raised an additional $3,450,000, with total net proceeds of $150,750,000 placed in a trust account. The IPO was consummated on May 28, 2026, and the underwriters have a 45-day option for up to 2,250,000 additional units to cover over-allotments.
- · Class A ordinary shares have a par value of $0.0001 per share
- · Each right entitles the holder to receive one-fourth (1/4) of one Class A ordinary share upon consummation of the initial business combination
- · Trust account maintained by Odyssey Transfer and Trust Company as trustee
- · Trust amount of $10.05 per unit ($150,750,000 / 15,345,000 total units)
03-06-2026
Bayview Acquisition Corp (NASDAQ: BAYA, BAYAU, BAYAR) announced shareholder approval of a six-month extension to complete its initial business combination, moving the deadline from June 19, 2026 to December 19, 2026, with a $50,000 deposit per monthly extension. Redemptions were minimal, with only 124,156 shares (less than 5% of outstanding) redeemed for approximately $1.49 million at ~$12.03 per share, indicating strong shareholder support. The company remains focused on completing its merger with Oabay Inc., a Chinese trade credit technology solutions provider.
- · The extension proposal allows up to six one-month extensions, each requiring a $50,000 deposit into the trust account.
- · The redemption price was approximately $12.03 per share.
- · Oabay Inc. has more than ten years of operating history and is a pioneer in the Chinese trade credit technology solutions industry.
- · The company has focused its search for a target on businesses throughout Asia.
03-06-2026
Sadot Group Inc. filed an 8-K on June 3, 2026, reporting entry into a material definitive agreement (Item 1.01) and completion of an acquisition (Item 2.01). The filing includes financial statements and pro forma information (Item 9.01). No specific financial figures or performance metrics were disclosed in the filing header.
- · Filing type: 8-K
- · Filing date: June 3, 2026
- · Items reported: 1.01 (Material Definitive Agreement), 2.01 (Completion of Acquisition or Disposition of Assets), 9.01 (Financial Statements and Exhibits)
- · Company CIK: 0001701756
- · Company formerly known as Muscle Maker, Inc. (until July 2023)
- · SIC code: 5810 (Retail-Eating & Drinking Places)
- · State of incorporation: Nevada
- · Fiscal year end: December 31
03-06-2026
FortuneX Acquisition Corp completed its initial public offering on May 26, 2026, issuing 7,500,000 units at $10.00 per unit for gross proceeds of $75,000,000. Simultaneously, the Sponsor purchased 297,500 private placement units for $2,975,000. Total proceeds of $75,750,000 were placed in trust for public shareholders.
- · Each Unit consists of one ordinary share ($0.0001 par value) and one-half of one redeemable warrant.
- · Each whole warrant entitles holder to purchase one ordinary share at $11.50 per share, subject to adjustment.
- · The trust account is maintained by Continental Stock Transfer & Trust Company.
- · An audited balance sheet as of May 26, 2026 is included as Exhibit 99.1.
03-06-2026
Worthington Steel, Inc. (NYSE: WS) completed its voluntary public takeover of Kloeckner & Co SE, acquiring approximately 62% of outstanding shares, and announced a Delisting Tender Offer for remaining shares at EUR 11.00 cash per share. The combined entity expects increased scale, operational efficiencies, and broader geographic presence, but remaining shareholders face significantly reduced liquidity. Kloeckner reported sales of €6.4 billion in fiscal 2025, and both companies each employ roughly 6,000 people.
- · Worthington Steel currently holds approximately 62% of Kloeckner’s outstanding shares following the Takeover Offer.
- · The Delisting Offer will be at EUR 11.00 cash per Kloeckner share (ISIN DE000KC01000).
- · Kloeckner had sales of approximately €6.4 billion in fiscal year 2025.
- · Worthington Steel operates 37 facilities across seven states and 10 countries, with about 6,000 employees.
- · Kloeckner has about 110 warehouse/processing locations, primarily in North America and DACH region, serving more than 60,000 customers and employing more than 6,000 people.
- · After delisting, Kloeckner shares will no longer trade on a regulated market in Germany, leading to reduced liquidity and limited price discovery.
- · The Delisting Offer is not subject to closing conditions or minimum acceptance threshold.
- · BaFin will review the Delisting Offer Document before publication.
03-06-2026
ATN International completed the initial closing of the previously announced sale of its Southwestern U.S. towers and related operations (Tower Portfolio) to an affiliate of Everest Infrastructure Partners for $268 million in cash proceeds. The company will use $68 million of the proceeds to repay borrowings under its CoBank revolving credit facility. As a result of the transaction, ATN revised its 2026 full-year Adjusted EBITDA outlook downward by $7 million to $183-$193 million, reflecting the loss of revenue and operating income from the sold assets.
- · Revenue decrease impact of $3M for remaining seven months of 2026
- · Operating income decrease impact of $4M for remaining seven months of 2026
- · Adjusted EBITDA decrease of $7M for full year 2026
- · New 2026 Adjusted EBITDA guidance range: $183M to $193M
- · Prior 2026 Adjusted EBITDA guidance range: $190M to $200M
- · Potential additional proceeds of up to $30M from subsequent closings over next 12 months subject to construction/operational milestones
03-06-2026
Richtech Robotics Inc. completed the acquisition of a 79,325 square foot warehouse facility in Las Vegas, Nevada for approximately $21.2 million on May 29, 2026. The facility will support the Company's three strategic pillars—Industrial, Commercial, and Data Services—by providing dedicated infrastructure for GPU-enabled computing, robotics data collection, and World Action Model training. Initial data center operations are expected in fall 2026, and the Company will expand its headquarters across about 20,000 square feet in the building by end of 2026.
- · The acquisition was first announced on April 1, 2026 and closed on May 29, 2026.
- · The facility supports the Company's three strategic pillars: Industrial, Commercial, and Data Services.
- · The facility will provide dedicated infrastructure for GPU-enabled computing, robotics data collection, and World Action Model training.
- · Initial data center operations are expected to begin in fall 2026.
- · The Company's headquarters will expand by approximately 20,000 square feet in the new building, with expected occupancy by the end of 2026.
Get daily alerts with 10 investment signals, 8 risk alerts, 9 opportunities and full AI analysis of all 12 filings
$30/mo after a 14-day free trial — no credit card required. See pricing or explore intelligence streams.
More from: US Merger & Acquisition SEC Filings
🇺🇸 More from United States
View all →May 28, 2026
US Pre-Market SEC Filings Roundup — May 28, 2026
US Pre-Market SEC Filings Roundup
May 27, 2026
US Pre-Market SEC Filings Roundup — May 27, 2026
US Pre-Market SEC Filings Roundup
May 27, 2026
S&P 500 Technology Sector SEC Filings — May 27, 2026
S&P 500 Technology Sector SEC Filings
May 27, 2026
Nasdaq 100 Stocks SEC Filings — May 27, 2026
Nasdaq 100 Stocks SEC Filings