{"schema_version":"secwatch.filing_event.v1","accession":"0001493152-26-020830","form_type":"8-K","ticker":"SHPH","cik":"0001757499","company_name":"Shuttle Pharmaceuticals Holdings, Inc.","filed_at":"2026-05-01T23:59:59+00:00","discovered_at":"2026-05-14T18:02:32.860384+00:00","generated_at":"2026-05-15T00:21:01.542801+00:00","sec_items":["1.01","3.02","7.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.95,"calibrated_materiality_score":0.95,"confidence":"high","headline":"Shuttle Pharmaceuticals to acquire United Dogecoin, becomes public Dogecoin miner with $11M PIPE","bullets":["Merger consideration: 8,000 Series B-1 preferred shares convertible into ~32.3M common shares at $1.24 per share.","Concurrent $11M PIPE via Series B-2 convertible preferred and warrants; conversion price $1.03 per share.","United Dogecoin plans 3,000 ElphaPex mining rigs; targets 43,200 GH/s (~1.5% of global Dogecoin hash rate).","Ryan Trasolini (United Dogecoin CEO) to become co-CEO of combined company; closing expected May 4, 2026."],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-26-020830","json":"https://secwatch.observer/filing/0001493152-26-020830.json","markdown":"https://secwatch.observer/filing/0001493152-26-020830.md","text":"https://secwatch.observer/filing/0001493152-26-020830.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1757499/000149315226020830/0001493152-26-020830-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1757499/000149315226020830/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T00:21:01.542801+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"6da052a923a2d3129507515cc0899a613af79cbc","claim":"Shuttle Pharmaceuticals Holdings, Inc. entered into Agreement and Plan of Merger with United Dogecoin Inc. valued at Merger consideration consisting of Series B-1 convertible preferred stock and up to 118,038,551 pre- (effective 2026-04-30).","evidence_excerpt":"On April 30, 2026, Shuttle Pharmaceuticals Holdings, Inc., a Delaware corporation (“ Shuttle ” or “ Acquiror ”), entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Shuttle Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Shuttle (“ Merger Sub ”) and United Dogecoin Inc., a Delaware corporation (the “ Company ”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1757499/000149315226020830/0001493152-26-020830-index.htm","confidence":0.99}],"comparable_filings":[{"accession":"0001104659-26-057182","ticker":"RMIX","company_name":"Suncrete, Inc.","filed_at":"2026-05-07T23:59:59+00:00","headline":"Suncrete acquires Nelson Bros. Ready Mix for $42.3M cash + stock; earnout up to $18M","event_type":"m_and_a","sec_items":["1.01","2.01","3.02","7.01","9.01"],"materiality_score":0.8,"calibrated_materiality_score":0.8,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01, 3.02, 7.01, 9.01","same event type: m_and_a","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-057182","json":"https://secwatch.observer/filing/0001104659-26-057182.json","markdown":"https://secwatch.observer/filing/0001104659-26-057182.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/2094433/000110465926057182/0001104659-26-057182-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2094433/000110465926057182/tm2613866d1_8k.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On April 30, 2026, Shuttle Pharmaceuticals Holdings, Inc., a Delaware corporation (“ Shuttle ” or “ Acquiror ”), entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Shuttle Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Shuttle (“ Merger Sub ”) and United Dogecoin Inc., a Delaware corporation (the “ Company ”).","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1757499/000149315226020830/0001493152-26-020830-index.htm","comparable_excerpt":"On May 6, 2026, Suncrete, Inc., a Delaware corporation (the “Company”), through its subsidiary Hope Concrete, LLC, a Texas limited liability company (“Purchaser”), entered into a Membership Interest Purchase Agreement (the “Purchase Agreement”) and related agreements with the owners of Nelson Bros. Ready Mix, LLC, a Texas limited liability company (the “Target”), to acquire 100% of the ownership interests of Target","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/2094433/000110465926057182/0001104659-26-057182-index.htm"}},{"accession":"0001193125-26-251752","ticker":null,"company_name":"Enviri II Corp","filed_at":"2026-06-01T21:18:36+00:00","headline":"New Enviri completes spin-off; starts trading June 2 under NVRI; ~$1.2B revenue, ~$140M EBITDA","event_type":"m_and_a","sec_items":["1.01","2.03","3.03","5.03","5.01","5.02","5.05","7.01","9.01"],"materiality_score":0.9,"calibrated_materiality_score":0.9,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01, 7.01, 9.01","same event type: m_and_a","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-251752","json":"https://secwatch.observer/filing/0001193125-26-251752.json","markdown":"https://secwatch.observer/filing/0001193125-26-251752.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/2104052/000119312526251752/0001193125-26-251752-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2104052/000119312526251752/d258410d8k.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On April 30, 2026, Shuttle Pharmaceuticals Holdings, Inc., a Delaware corporation (“ Shuttle ” or “ Acquiror ”), entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Shuttle Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Shuttle (“ Merger Sub ”) and United Dogecoin Inc., a Delaware corporation (the “ Company ”).","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1757499/000149315226020830/0001493152-26-020830-index.htm","comparable_excerpt":"On June 1, 2026, New Enviri entered into a transition services agreement (the “Transition Services Agreement”) with CLEH pursuant to which New Enviri will provide certain services to CLEH on an interim, transitional basis.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/2104052/000119312526251752/0001193125-26-251752-index.htm"}},{"accession":"0001193125-26-251442","ticker":"RPAY","company_name":"Repay Holdings Corp","filed_at":"2026-06-01T20:14:04+00:00","headline":"REPAY closes $372M acquisition of KUBRA, funded with new $500M term loan","event_type":"m_and_a","sec_items":["1.01","2.01","1.02","9.01","2.03","7.01"],"materiality_score":0.85,"calibrated_materiality_score":0.85,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01, 7.01, 9.01","same event type: m_and_a","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-251442","json":"https://secwatch.observer/filing/0001193125-26-251442.json","markdown":"https://secwatch.observer/filing/0001193125-26-251442.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1720592/000119312526251442/0001193125-26-251442-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1720592/000119312526251442/rpay-20260601.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On April 30, 2026, Shuttle Pharmaceuticals Holdings, Inc., a Delaware corporation (“ Shuttle ” or “ Acquiror ”), entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Shuttle Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Shuttle (“ Merger Sub ”) and United Dogecoin Inc., a Delaware corporation (the “ Company ”).","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1757499/000149315226020830/0001493152-26-020830-index.htm","comparable_excerpt":"On June 1, 2026 (the “Closing Date”), Repay Holdings Corporation (the “Company” or “REPAY”), its wholly owned subsidiary, Hawk Parent Holdings LLC, a Delaware limited liability company (the “Borrower”) and certain subsidiaries of the Company party thereto, as guarantors, entered into a Credit Agreement (the “Credit Agreement”) with certain financial institutions party thereto, as lenders, and Truist Bank, as administrative agent.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1720592/000119312526251442/0001193125-26-251442-index.htm"}},{"accession":"0001683168-26-003637","ticker":"UMAC","company_name":"Unusual Machines, Inc.","filed_at":"2026-05-11T23:59:59+00:00","headline":"Unusual Machines signs $52M merger to acquire Upgrade Energy (battery/power systems)","event_type":"m_and_a","sec_items":["1.01","7.01","9.01"],"materiality_score":0.85,"calibrated_materiality_score":0.85,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01, 7.01, 9.01","same event type: m_and_a","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001683168-26-003637","json":"https://secwatch.observer/filing/0001683168-26-003637.json","markdown":"https://secwatch.observer/filing/0001683168-26-003637.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1956955/000168316826003637/0001683168-26-003637-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1956955/000168316826003637/umac_8k.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On April 30, 2026, Shuttle Pharmaceuticals Holdings, Inc., a Delaware corporation (“ Shuttle ” or “ Acquiror ”), entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Shuttle Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Shuttle (“ Merger Sub ”) and United Dogecoin Inc., a Delaware corporation (the “ Company ”).","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1757499/000149315226020830/0001493152-26-020830-index.htm","comparable_excerpt":"On May 7, 2026, Unusual Machines, Inc. (the “Company”), a manufacturer of NDAA-compliant drone components, entered into a $52 million agreement and plan of merger (the “Merger Agreement”), with Upgrade Energy LLC, a newly formed subsidiary of the Company (the “Surviving Company”), DroneNX LLC d/b/a Upgrade Energy (“Upgrade”), and Matthew Barnard as the Member Representative of Upgrade, pursuant to which, the Surviving Company, will acquire all of the property, rights, privileges, licenses, powers and authority of Upgrade in exchange for 1,792,012 shares of Company common stock at $13.9508 per share and $1 million cash at closing with a potential post-closing earn-out payment of up to $26 million in cash, subject to the Surviving Company achieving an annual revenue target of $10 million during a two-year calculation period following the date of the Merger Agreement (with proportional adjustment for the second year).","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1956955/000168316826003637/0001683168-26-003637-index.htm"}},{"accession":"0001193125-26-210231","ticker":"COLD","company_name":"AMERICOLD REALTY TRUST","filed_at":"2026-05-07T23:59:59+00:00","headline":"Americold forms $1.3B cold storage JV with EQT; receives $1.1B debt repayment proceeds","event_type":"m_and_a","sec_items":["1.01","7.01","9.01"],"materiality_score":0.8,"calibrated_materiality_score":0.8,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01, 7.01, 9.01","same event type: m_and_a","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-210231","json":"https://secwatch.observer/filing/0001193125-26-210231.json","markdown":"https://secwatch.observer/filing/0001193125-26-210231.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1455863/000119312526210231/0001193125-26-210231-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1455863/000119312526210231/d95141d8k.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On April 30, 2026, Shuttle Pharmaceuticals Holdings, Inc., a Delaware corporation (“ Shuttle ” or “ Acquiror ”), entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Shuttle Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Shuttle (“ Merger Sub ”) and United Dogecoin Inc., a Delaware corporation (the “ Company ”).","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1757499/000149315226020830/0001493152-26-020830-index.htm","comparable_excerpt":"On May 7, 2026, Americold Realty Operating Partnership, LP, a Delaware limited partnership, MHG Gateway Properties, LLC, a New Jersey limited liability company, ART Mortgage Borrower Propco 2010 - 5 LLC, a Delaware limited liability company, Americold New TRS Sub 1, LLC, a Delaware limited liability company, Americold Real Estate, L.P., a Delaware limited partnership, ART Mortgage Borrower Propco 2010 - 4 LLC, a Delaware limited liability company, New Hall’s Warehouse LLC, a New Jersey limited liability company and Americold Russellville, LLC, an Arkansas limited liability company, each a subsidiary of Americold Realty Trust, Inc. (the “ Company ”) and Snowfall Topco LP, an affiliate of EQT entered into a contribution agreement (the “ Contribution Agreement ” and the transactions described therein, the “ JV Transaction ”), which was unanimously approved by the Company’s Board of Directors (the “Board”), upon the unanimous recommendation of the Finance Committee of the Board, to create","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1455863/000119312526210231/0001193125-26-210231-index.htm"}},{"accession":"0001493152-26-021767","ticker":"SHPH","company_name":"Shuttle Pharmaceuticals Holdings, Inc.","filed_at":"2026-05-07T23:59:59+00:00","headline":"Shuttle Pharma completes merger with United Dogecoin, pivots to crypto, raises $9.55M PIPE","event_type":"m_and_a","sec_items":["1.01","2.01","3.02","3.03","5.02","5.03","9.01"],"materiality_score":0.95,"calibrated_materiality_score":0.95,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01, 3.02, 9.01","same event type: m_and_a","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-26-021767","json":"https://secwatch.observer/filing/0001493152-26-021767.json","markdown":"https://secwatch.observer/filing/0001493152-26-021767.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1757499/000149315226021767/0001493152-26-021767-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1757499/000149315226021767/form8-k.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On April 30, 2026, Shuttle Pharmaceuticals Holdings, Inc., a Delaware corporation (“ Shuttle ” or “ Acquiror ”), entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Shuttle Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Shuttle (“ Merger Sub ”) and United Dogecoin Inc., a Delaware corporation (the “ Company ”).","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1757499/000149315226020830/0001493152-26-020830-index.htm","comparable_excerpt":"On May 6, 2026 (the “ Closing Date ”), Shuttle Pharmaceuticals Holdings, Inc., a Delaware corporation (“ Shuttle ” or “ Acquiror ”), completed its previously announced merger pursuant to an Agreement and Plan of Merger (the “ Merger Agreement ”), entered into on April 30, 2026 by and among the Acquiror, Shuttle Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Shuttle (“ Merger Sub ”) and United Dogecoin Inc., a Delaware corporation (the “ Company ”).","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1757499/000149315226021767/0001493152-26-021767-index.htm"}},{"accession":"0001193125-26-215652","ticker":"EEX","company_name":"Emerald Holding, Inc.","filed_at":"2026-05-11T23:59:59+00:00","headline":"Apollo Funds acquire Emerald (EEX) for $5.03/sh (42% premium); combine with Questex","event_type":"m_and_a","sec_items":["1.01","5.07","8.01","9.01"],"materiality_score":0.9,"calibrated_materiality_score":0.9,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01, 9.01","same event type: m_and_a","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-215652","json":"https://secwatch.observer/filing/0001193125-26-215652.json","markdown":"https://secwatch.observer/filing/0001193125-26-215652.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1579214/000119312526215652/0001193125-26-215652-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1579214/000119312526215652/d22741d8k.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On April 30, 2026, Shuttle Pharmaceuticals Holdings, Inc., a Delaware corporation (“ Shuttle ” or “ Acquiror ”), entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Shuttle Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Shuttle (“ Merger Sub ”) and United Dogecoin Inc., a Delaware corporation (the “ Company ”).","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1757499/000149315226020830/0001493152-26-020830-index.htm","comparable_excerpt":"On May 9, 2026, Emerald Holding, Inc., a Delaware corporation (the “ Company ”), entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Emma Buyer, LLC, a Delaware limited liability company (“ Parent ”), and Emma Merger Sub, Inc., a Delaware corporation and wholly-owned subsidiary of Parent (“ Merger Sub ”).","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1579214/000119312526215652/0001193125-26-215652-index.htm"}},{"accession":"0001104659-26-057533","ticker":"TWO","company_name":"TWO HARBORS INVESTMENT CORP.","filed_at":"2026-05-08T23:59:59+00:00","headline":"Two Harbors raises all-cash merger consideration to $12.00/share in amended CrossCountry deal","event_type":"m_and_a","sec_items":["1.01","8.01","9.01"],"materiality_score":0.9,"calibrated_materiality_score":0.9,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01, 9.01","same event type: m_and_a","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-057533","json":"https://secwatch.observer/filing/0001104659-26-057533.json","markdown":"https://secwatch.observer/filing/0001104659-26-057533.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1465740/000110465926057533/0001104659-26-057533-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1465740/000110465926057533/tm2612985d12_8k.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On April 30, 2026, Shuttle Pharmaceuticals Holdings, Inc., a Delaware corporation (“ Shuttle ” or “ Acquiror ”), entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Shuttle Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Shuttle (“ Merger Sub ”) and United Dogecoin Inc., a Delaware corporation (the “ Company ”).","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1757499/000149315226020830/0001493152-26-020830-index.htm","comparable_excerpt":"On May 7, 2026, Two Harbors Investment Corp. (“Two Harbors”) entered into a Second Amendment to the Agreement and Plan of Merger (the “Second Amendment”), by and among Two Harbors, CrossCountry Intermediate Holdco, LLC (“CCM”) and CrossCountry Merger Corp., a wholly owned subsidiary of CCM (“Merger Sub”), to amend the terms of the previously disclosed Agreement and Plan of Merger, dated March 27, 2026 (the “Original CCM Merger Agreement”), as amended by the First Amendment to the Agreement and Plan of Merger, dated April 28, 2026 (the “First Amendment”), by and among Two Harbors, CCM and Merger Sub (the Original CCM Merger Agreement, as amended by the First Amendment and the Second Amendment, the “Amended CCM Merger Agreement”).","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1465740/000110465926057533/0001104659-26-057533-index.htm"}}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}