{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-251719","form_type":"8-K","ticker":"BURU","cik":"0001814215","company_name":"Nuburu, Inc.","filed_at":"2026-06-01T21:10:15+00:00","discovered_at":"2026-06-01T21:12:00.315830+00:00","generated_at":"2026-06-01T21:12:51.759253+00:00","sec_items":["1.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Nuburu agrees to acquire 70% stake in Tekne S.p.A. for up to €29.7M plus earn-out","bullets":["Nuburu to obtain 57.1% of Tekne via €29.692M subscription price (convertible receivable + up to €12M cash).","Additional 10% purchased from shareholders for €5.2M cash plus earn-out (5% of Tekne revenues 2027-2036, max €29.692M).","Deal contingent on Italian Golden Power authorization by Sept 30, 2026; otherwise terminates and Tekne repays receivable.","Nuburu has already contributed €16.692M; will add €1M by May 28 and up to $12M additional as agreed.","During interim period, Tekne restricted to ordinary business; Mr. D'Arrezzo to assist transition for 6 months post-close."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-251719","json":"https://secwatch.observer/filing/0001193125-26-251719.json","markdown":"https://secwatch.observer/filing/0001193125-26-251719.md","text":"https://secwatch.observer/filing/0001193125-26-251719.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1814215/000119312526251719/0001193125-26-251719-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1814215/000119312526251719/buru-20260526.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T21:12:51.759253+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":"c19b25f2cf82d9c76422c1a9a43b227aca685763","claim":"Nuburu, Inc. entered into Investment Agreement with Tekne S.p.A., Ambrogio D’Arrezzo, Carlo Ulacco, and Andrea Lodi valued at €29,692,000 (effective 2026-05-26).","evidence_excerpt":"On May 26, 2026, Nuburu, Inc. (the “Company”) and its subsidiary, Nuburu Defense, LLC (“Nuburu Defense”), entered into an Investment Agreement (the “Agreement”) with Tekne S.p.A. (“Tekne”) and Ambrogio D’Arrezzo, Carlo Ulacco, and Andrea Lodi, the shareholders of Tekne (collectively, the “Shareholders”) pursuant to which the Company agreed to contribute additional financial resources to Tekne and purchase shares of Tekne from the Shareholders in exchange for obtaining a 70% equity interest in Tekne.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1814215/000119312526251719/0001193125-26-251719-index.htm","confidence":0.95}],"comparable_filings":[{"accession":"0001829126-26-005923","ticker":"TACH","company_name":"Titan Acquisition Corp.","filed_at":"2026-06-01T21:15:47+00:00","headline":"Titan Acquisition Corp enters $800M deal to combine with OpenPayd","event_type":"m_and_a","sec_items":["1.01","7.01","9.01"],"materiality_score":0.75,"calibrated_materiality_score":0.75,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01","same event type: m_and_a","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001829126-26-005923","json":"https://secwatch.observer/filing/0001829126-26-005923.json","markdown":"https://secwatch.observer/filing/0001829126-26-005923.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/2009183/000182912626005923/0001829126-26-005923-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2009183/000182912626005923/titanacq_8k.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On May 26, 2026, Nuburu, Inc. (the “Company”) and its subsidiary, Nuburu Defense, LLC (“Nuburu Defense”), entered into an Investment Agreement (the “Agreement”) with Tekne S.p.A. (“Tekne”) and Ambrogio D’Arrezzo, Carlo Ulacco, and Andrea Lodi, the shareholders of Tekne (collectively, the “Shareholders”) pursuant to which the Company agreed to contribute additional financial resources to Tekne and purchase shares of Tekne from the Shareholders in exchange for obtaining a 70% equity interest in Tekne.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1814215/000119312526251719/0001193125-26-251719-index.htm","comparable_excerpt":"On June 1, 2026, Titan Acquisition Corp, a Cayman Islands exempted company (“Titan”), entered into a Business Combination Agreement (the “Business Combination Agreement”), by and among OpenPayd Global Holdings Limited, a Cayman Islands exempted company (“PubCo”), Titan Acquisition Sponsor Holdco LLC, a Delaware limited liability company (the “Sponsor”), solely in its capacity as the Purchaser Representative, OpenPayd Holdings Limited, a company limited by shares incorporated in England and Wales (“Company”), Ozan Özerk, solely in his capacity as the Company Shareholders Representative, and the shareholders of the Company party thereto (collectively, the “Parties”).","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/2009183/000182912626005923/0001829126-26-005923-index.htm"}},{"accession":"0001493152-26-026559","ticker":"WINV","company_name":"WinVest Acquisition Corp.","filed_at":"2026-06-01T15:20:55+00:00","headline":"WinVest amends business combination agreement to add ADS structure and share restructuring","event_type":"m_and_a","sec_items":["1.01","9.01"],"materiality_score":0.55,"calibrated_materiality_score":0.55,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01","same event type: m_and_a","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-26-026559","json":"https://secwatch.observer/filing/0001493152-26-026559.json","markdown":"https://secwatch.observer/filing/0001493152-26-026559.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1854463/000149315226026559/0001493152-26-026559-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1854463/000149315226026559/form8-k.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On May 26, 2026, Nuburu, Inc. (the “Company”) and its subsidiary, Nuburu Defense, LLC (“Nuburu Defense”), entered into an Investment Agreement (the “Agreement”) with Tekne S.p.A. (“Tekne”) and Ambrogio D’Arrezzo, Carlo Ulacco, and Andrea Lodi, the shareholders of Tekne (collectively, the “Shareholders”) pursuant to which the Company agreed to contribute additional financial resources to Tekne and purchase shares of Tekne from the Shareholders in exchange for obtaining a 70% equity interest in Tekne.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1814215/000119312526251719/0001193125-26-251719-index.htm","comparable_excerpt":"On May 26, 2026, SPAC, Pubco, the Company, SPAC Merger Sub, and Company Merger Sub entered into that certain Amended and Restated Business Combination Agreement (the “Restated Business Combination Agreement”), pursuant to which the Original Business Combination Agreement was amended and restated in its entirety","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1854463/000149315226026559/0001493152-26-026559-index.htm"}},{"accession":"0001171843-26-003196","ticker":"SSM","company_name":"Sono Group N.V.","filed_at":"2026-05-08T23:59:59+00:00","headline":"Sono Group exits solar: sells Sono Motors and €10.5M loan to management for €1 each","event_type":"m_and_a","sec_items":["2.05","1.01","2.01","8.01","9.01"],"materiality_score":0.75,"calibrated_materiality_score":0.75,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01","same event type: m_and_a","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001171843-26-003196","json":"https://secwatch.observer/filing/0001171843-26-003196.json","markdown":"https://secwatch.observer/filing/0001171843-26-003196.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1840416/000117184326003196/0001171843-26-003196-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1840416/000117184326003196/f8ka_050826.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On May 26, 2026, Nuburu, Inc. (the “Company”) and its subsidiary, Nuburu Defense, LLC (“Nuburu Defense”), entered into an Investment Agreement (the “Agreement”) with Tekne S.p.A. (“Tekne”) and Ambrogio D’Arrezzo, Carlo Ulacco, and Andrea Lodi, the shareholders of Tekne (collectively, the “Shareholders”) pursuant to which the Company agreed to contribute additional financial resources to Tekne and purchase shares of Tekne from the Shareholders in exchange for obtaining a 70% equity interest in Tekne.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1814215/000119312526251719/0001193125-26-251719-index.htm","comparable_excerpt":"On May 4, 2026 (the “Signing Date”), the Company entered into a Share Purchase and Transfer Agreement (the “SPA”) with (i) Vorratsla-160 M UG (haftungsbeschränkt), a German limited liability company whose sole shareholder is Denis Azhar, and (ii) Vorratsla-161 M UG (haftungsbeschränkt), a German limited liability company whose sole shareholder is Jan Schiermeister (together, the “Purchasers”), and Sono Motors GmbH, a German limited liability company (“Sono Motors”).","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1840416/000117184326003196/0001171843-26-003196-index.htm"}},{"accession":"0001193125-26-214743","ticker":"CTGO","company_name":"Contango Silver & Gold Inc.","filed_at":"2026-05-08T23:59:59+00:00","headline":"Contango Silver & Gold acquires Lucky Shot for $16.1M; reports high-grade gold intercepts","event_type":"m_and_a","sec_items":["1.01","1.02","2.03","7.01","9.01"],"materiality_score":0.75,"calibrated_materiality_score":0.75,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01","same event type: m_and_a","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-214743","json":"https://secwatch.observer/filing/0001193125-26-214743.json","markdown":"https://secwatch.observer/filing/0001193125-26-214743.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1502377/000119312526214743/0001193125-26-214743-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1502377/000119312526214743/ctgo-20260504.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On May 26, 2026, Nuburu, Inc. (the “Company”) and its subsidiary, Nuburu Defense, LLC (“Nuburu Defense”), entered into an Investment Agreement (the “Agreement”) with Tekne S.p.A. (“Tekne”) and Ambrogio D’Arrezzo, Carlo Ulacco, and Andrea Lodi, the shareholders of Tekne (collectively, the “Shareholders”) pursuant to which the Company agreed to contribute additional financial resources to Tekne and purchase shares of Tekne from the Shareholders in exchange for obtaining a 70% equity interest in Tekne.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1814215/000119312526251719/0001193125-26-251719-index.htm","comparable_excerpt":"the 2% NSR Royalty contained in the Lease Agreement was effectively terminated","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1502377/000119312526214743/0001193125-26-214743-index.htm"}},{"accession":"0001561032-26-000024","ticker":"NHP","company_name":"National Healthcare Properties, Inc.","filed_at":"2026-05-08T23:59:59+00:00","headline":"National Healthcare Properties to sell 86 outpatient medical facilities for ~$528M","event_type":"m_and_a","sec_items":["1.01","9.01"],"materiality_score":0.75,"calibrated_materiality_score":0.75,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01","same event type: m_and_a","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001561032-26-000024","json":"https://secwatch.observer/filing/0001561032-26-000024.json","markdown":"https://secwatch.observer/filing/0001561032-26-000024.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1561032/000156103226000024/0001561032-26-000024-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1561032/000156103226000024/hct-20260504.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On May 26, 2026, Nuburu, Inc. (the “Company”) and its subsidiary, Nuburu Defense, LLC (“Nuburu Defense”), entered into an Investment Agreement (the “Agreement”) with Tekne S.p.A. (“Tekne”) and Ambrogio D’Arrezzo, Carlo Ulacco, and Andrea Lodi, the shareholders of Tekne (collectively, the “Shareholders”) pursuant to which the Company agreed to contribute additional financial resources to Tekne and purchase shares of Tekne from the Shareholders in exchange for obtaining a 70% equity interest in Tekne.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1814215/000119312526251719/0001193125-26-251719-index.htm","comparable_excerpt":"On May 4, 2026, National Healthcare Properties, Inc. (the “Company”) and certain of its subsidiaries entered into a definitive purchase and sale agreement (the “PSA”) with an affiliated third party to sell a portfolio of 86 outpatient medical facilities for approximately $528 million","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1561032/000156103226000024/0001561032-26-000024-index.htm"}},{"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","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 May 26, 2026, Nuburu, Inc. (the “Company”) and its subsidiary, Nuburu Defense, LLC (“Nuburu Defense”), entered into an Investment Agreement (the “Agreement”) with Tekne S.p.A. (“Tekne”) and Ambrogio D’Arrezzo, Carlo Ulacco, and Andrea Lodi, the shareholders of Tekne (collectively, the “Shareholders”) pursuant to which the Company agreed to contribute additional financial resources to Tekne and purchase shares of Tekne from the Shareholders in exchange for obtaining a 70% equity interest in Tekne.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1814215/000119312526251719/0001193125-26-251719-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":"0001193125-26-210231","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","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 May 26, 2026, Nuburu, Inc. (the “Company”) and its subsidiary, Nuburu Defense, LLC (“Nuburu Defense”), entered into an Investment Agreement (the “Agreement”) with Tekne S.p.A. (“Tekne”) and Ambrogio D’Arrezzo, Carlo Ulacco, and Andrea Lodi, the shareholders of Tekne (collectively, the “Shareholders”) pursuant to which the Company agreed to contribute additional financial resources to Tekne and purchase shares of Tekne from the Shareholders in exchange for obtaining a 70% equity interest in Tekne.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1814215/000119312526251719/0001193125-26-251719-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":"0001193125-26-211817","ticker":"GIG","company_name":"GigCapital7 Corp.","filed_at":"2026-05-07T23:59:59+00:00","headline":"GigCapital7 enters additional non-redemption and forward purchase agreements for Hadron Energy merger","event_type":"m_and_a","sec_items":["1.01","8.01","9.01"],"materiality_score":0.7,"calibrated_materiality_score":0.7,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01","same event type: m_and_a","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-211817","json":"https://secwatch.observer/filing/0001193125-26-211817.json","markdown":"https://secwatch.observer/filing/0001193125-26-211817.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/2023730/000119312526211817/0001193125-26-211817-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2023730/000119312526211817/d152235d8k.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On May 26, 2026, Nuburu, Inc. (the “Company”) and its subsidiary, Nuburu Defense, LLC (“Nuburu Defense”), entered into an Investment Agreement (the “Agreement”) with Tekne S.p.A. (“Tekne”) and Ambrogio D’Arrezzo, Carlo Ulacco, and Andrea Lodi, the shareholders of Tekne (collectively, the “Shareholders”) pursuant to which the Company agreed to contribute additional financial resources to Tekne and purchase shares of Tekne from the Shareholders in exchange for obtaining a 70% equity interest in Tekne.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1814215/000119312526251719/0001193125-26-251719-index.htm","comparable_excerpt":"On May 6, 2026, GigCapital7 and Target entered into a forward stock purchase agreement (the “ Forward Purchase Agreement ”) with certain investors (together, the “ Seller ”) for an OTC Equity Prepaid Forward Transaction.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/2023730/000119312526211817/0001193125-26-211817-index.htm"}}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}