US Merger & Acquisition SEC Filings — May 11, 2026

11-05-2026

On May 8, 2026, Richard Saldanha resigned as a director from StoneBridge Acquisition II Corporation's Board and all committees, effective immediately, with no disagreement on operations, policies, or practices. On February 5, 2026, he was granted 25,000 Class B Ordinary Shares by the Sponsor, Stonebridge Acquisition Sponsor II LLC, which were set to vest upon the initial business combination subject to continued service but will now be automatically returned to the Sponsor due to the resignation.

• · Resignation notified to Board on May 8, 2026; filing dated May 11, 2026.
• · Class B Ordinary Shares transferred from Sponsor holdings.
• · Vesting conditioned on continued Board service immediately prior to initial business combination consummation.
• · Company securities: APACU (Units), APAC (Class A Ordinary Shares), APACR (Rights) listed on Nasdaq Stock Market LLC.

11-05-2026

Shreya Acquisition Group, a blank check SPAC, announced the pricing of its $100 Million initial public offering of 10,000,000 units at $10.00 per unit, each consisting of one Class A ordinary share, one redeemable warrant (exercisable at $11.50 per share), and one right to receive one-fourth of one Class A ordinary share upon business combination. Units are expected to begin trading on the NYSE under 'SAGUU' on May 7, 2026, with separate trading of components under 'SAGU', 'SAGUW', and 'SAGUR'; the offering includes a 45-day over-allotment option for up to 1,500,000 additional units and is set to close on May 8, 2026. The Company focuses on acquisitions in health and wellness, hospitality, media and entertainment, shipping infrastructure, and waterways tourism sectors.

• · Registration statement declared effective by SEC on May 6, 2026
• · Units expected to trade on NYSE under SAGUU beginning May 7, 2026; separate trading symbols: SAGU (shares), SAGUW (warrants), SAGUR (rights)
• · D. Boral Capital, LLC acting as sole book-running manager
• · Company address: Cassia Court, Suite 716, 10 Market Street, Camana Bay, Grand Cayman, Cayman Islands; Contact: 230 5942 0130

11-05-2026

Quantum Leap Acquisition Corp, a blank check company, consummated its IPO on May 4, 2026, selling 20,000,000 units at $10.00 per unit for gross proceeds of $200,000,000, plus a simultaneous private placement of 594,500 units to sponsor Paddington Partners 88 LLC for $5,945,000, with $202,000,000 placed in trust at $10.10 per unit. Underwriters received a 45-day option to purchase up to 3,000,000 additional units. However, the auditor's report raises substantial doubt about the company's ability to continue as a going concern due to limited cash ($89,031) and anticipated significant costs in pursuing a business combination.

• · Over-allotment liability of $479,883 on balance sheet.
• · Accrued expenses of $127,794 and accrued offering costs of $9,000 on balance sheet.
• · Total current liabilities of $616,677 and total liabilities of $1,116,677 as of May 4, 2026.
• · Shareholders’ deficit of $691,880 as of May 4, 2026.
• · Due from sponsor of $1,436,909 transferred to operating account on May 7, 2026.

11-05-2026

On May 8, 2026, Flag Ship Acquisition Corporation entered into a non-binding Letter of Intent with Bluechip & Co. Holdings for a proposed business combination transaction. The LOI establishes a 90-day mutual exclusivity period for due diligence and negotiation of definitive agreements, which may be extended under certain conditions. The transaction is subject to customary closing conditions, board and shareholder approvals, with no assurance of completion.

• · Exclusivity period: ninety (90) days from May 8, 2026, extendable under specified conditions.
• · Press release announcing the LOI attached as Exhibit 99.1.
• · Securities: Units (FSHPU), Ordinary Shares (FSHP), Rights (FSHPR) on Nasdaq Stock Market LLC.

11-05-2026

Kezar Life Sciences, Inc. filed an 8-K on May 11, 2026, reporting completion of an acquisition or disposition (Item 2.01), with related changes in board composition (Items 5.01-5.03), notices under Items 3.01 and 3.03, and Exhibit 3.1 providing the Amended and Restated Certificate of Incorporation. The amended certificate authorizes only one class of common stock totaling 10,000 shares with a par value of $0.001 per share, simplifying the capital structure. No financial performance metrics, improvements, declines, or period comparisons are disclosed in the provided content.

• · Registered office: Corporation Trust Center, 1209 Orange Street, Wilmington, New Castle County, Delaware, 19801.
• · Board of Directors empowered to adopt, amend, or repeal Bylaws; stockholders require majority vote for same.

11-05-2026

On May 11, 2026, Iron Horse Acquisition II Corp. (IRHO) announced an updated investor presentation in connection with its previously announced business combination with Electra Vehicles, Inc., a company focused on AI-powered battery intelligence for electric vehicles, battery energy storage systems (BESS), and fleet operators. The investor presentation (Exhibit 99.1) and press release (Exhibit 99.2) are furnished under Item 7.01, with no specific financial metrics or period-over-period comparisons disclosed in the filing. IRHO and Electra plan to file a Form S-4 registration statement including a proxy statement/prospectus for shareholder approval.

• · IRHO is a Cayman Islands exempted company and blank check (SPAC) trading as IRHOU (units), IRHO (ordinary shares), IRHOR (rights) on Nasdaq.
• · IRHO Annual Report on Form 10-K for year ended November 30, 2025, filed February 13, 2026.
• · Principal executive offices: 851 Broken Sound Parkway NW, Suite 230, Boca Raton, FL 33487.

11-05-2026

On May 6, 2026, Chris Dirckze resigned from the board of directors, compensation committee, and audit committee of Hall Chadwick Acquisition Corp., effective immediately. The resignation was explicitly stated to not be related to any disagreement with the Company regarding its operations, policies, or practices. The Form 8-K was filed on May 11, 2026.

• · Company incorporated in Cayman Islands, listed on Nasdaq Stock Market LLC
• · Emerging growth company status confirmed
• · Principal executive offices: 1 North Bridge Road #18-06 High Street Centre, Singapore 179094

11-05-2026

Plutonian Acquisition Corp II announced the closing of the partial exercise of the underwriters' 45-day over-allotment option on May 5, 2026, issuing 750,000 additional Units at $10.00 per unit for gross proceeds of $7,500,000, following its IPO of 10,000,000 Units on April 29, 2026, which raised $100,000,000. Simultaneously, the Company completed a private placement of 7,800 Private Placement Units to its Sponsor at $10.00 per unit, generating $78,000 in proceeds. A total of $108,037,500 in net proceeds ($10.05 per Unit) from the IPO, Option Units, and private placements were deposited into a trust account.

• · Underwriters' over-allotment option was for up to 1,500,000 Units but partially exercised for 750,000 Units
• · Audited balance sheet as of April 29, 2026 filed previously as Exhibit 99.1
• · Unaudited pro forma balance sheet as of May 5, 2026 included as Exhibit 99.1
• · Private Units issued pursuant to Section 4(a)(2) of the Securities Act (not a public offering)
• · Company is an emerging growth company

11-05-2026

Vernal Capital Acquisition Corp., a blank check company, announced the pricing of its $100 million initial public offering of 10,000,000 units at $10.00 per unit, expected to begin trading on the NYSE under 'VECAU' on May 6, 2026, and close on May 7, 2026. D. Boral Capital LLC serves as the sole book-running manager, with underwriters holding a 45-day option to purchase up to 1,500,000 additional units for over-allotments. The registration statement was declared effective by the SEC on May 5, 2026.

• · Each unit consists of one ordinary share and one right to receive one-fourth of one ordinary share upon consummation of an initial business combination.
• · SEC registration statement declared effective on May 5, 2026.
• · Press release dated May 5, 2026; 8-K filing date May 11, 2026.

11-05-2026

Columbus Acquisition Corp issued a $100,000 interest-free convertible promissory note to WISeSat.Space Corp on May 5, 2026, aggregating four prior loans for 50% of four Extension Payments under the November 9, 2025 Business Combination Agreement (BCA). The note matures on the earliest of BCA termination (except by Maker under Section 10.1(e)), consummation of the Business Combination, or Maker's winding up, with conversion options into units at $10.00 or shares at $5.00 under specific scenarios. No performance metrics or declines are reported, as this is a financing extension tied to the pending acquisition.

• · Note is non-interest bearing.
• · Payee waives claims against Maker's Trust Account.
• · Governed by New York law with waiver of jury trial.
• · Events of default include failure to pay within 3 business days of maturity or material breach uncured in 10 business days.

11-05-2026

Coursera, Inc. completed its combination with Udemy, Inc. on May 11, 2026, uniting a global ecosystem of 290 million learners, 18,000 enterprise customers, 95,000 instructors, and hundreds of university/industry partners, with combined annual revenue exceeding $1.5B in 2025. The transaction is expected to deliver $115M in run-rate annual cost synergies within 24 months, enhancing AI-powered innovation and financial profile, while enabling a sizable share repurchase program. Leadership continuity includes Greg Hart as CEO, Mike Foley as CFO, and Andrew Ng as Chairman of the nine-member Board.

• · Transaction announced December 17, 2025; stockholder approval April 9, 2026.
• · Udemy common stock exchanged for 0.800 shares of Coursera common stock (cash in lieu of fractions).
• · Coursera continues trading as COUR on NYSE; Udemy delisted from NASDAQ.
• · Share repurchase program details expected within next two weeks.

11-05-2026

Udemy, Inc. (UDMY) filed an 8-K on May 11, 2026, including an Amended and Restated Certificate of Incorporation (EX-3.1) as part of events covering termination of a material agreement (Item 1.02), completion of an acquisition (Item 2.01), notice of delisting (Item 3.01), material modification to security holder rights (Item 3.03), change in control (Item 5.01), departures of directors/executives (Item 5.02), and amendment to articles (Item 5.03). The amendment authorizes only 1,000 shares of common stock with par value $0.00001 per share, establishing a minimal capital structure typical for a post-merger stub company. No financial performance metrics or period comparisons are provided in the filing.

• · Registered office: 251 Little Falls Drive, City of Wilmington, County of New Castle, Delaware 19808.
• · Directors may be removed with or without cause by majority vote of stockholders.
• · Enhanced indemnification provisions for directors and officers under DGCL.

11-05-2026

Aurinia Pharmaceuticals Inc. announced the completion of its acquisition of Kezar Life Sciences, Inc. on May 11, 2026, following the expiration of a tender offer on May 8, 2026, where 5,927,580 shares (80.24% of outstanding shares) were validly tendered and accepted for $6.955 in cash per share plus one contingent value right (CVR). The merger was consummated under Section 251(h) of the Delaware General Corporation Law without a stockholder vote, making Kezar a wholly owned subsidiary of Aurinia Pharma U.S., Inc. No negative performance metrics were reported in this transactional filing.

• · Tender offer expired at one minute after 11:59 p.m. Eastern Time on May 8, 2026.
• · In-the-Money Company Options cancelled and converted to cash (spread over exercise price) plus one CVR per underlying share.
• · Out-of-the-Money Options cancelled with no consideration.
• · Kezar 2018 Employee Stock Purchase Plan terminated immediately prior to Effective Time.