{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-26-064294","form_type":"8-K","ticker":null,"cik":"0001845459","company_name":"NKGen Biotech, Inc.","filed_at":"2026-06-02T21:20:15+00:00","discovered_at":"2026-06-02T21:22:00.302653+00:00","generated_at":"2026-06-02T21:22:39.997911+00:00","sec_items":["1.01","2.03","3.02","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"NKGen Biotech secures $2.42M additional loan from AlpineBrook; conversion price $0.08","bullets":["Additional loan of $2.42M (net $2.2M after $220k fee) issued as convertible note with $0.08/sh conversion price.","New warrant issued for shares at $0.08/exercise price, 10-year term, cashless exercise permitted.","Consideration shares increased to 12,953,947, payable in 6 installments over 30 months from closing.","Voting agreement with major stockholders to approve share increase within 2 months or before next financing.","Third amendment to existing secured convertible loan; total debt now includes multiple notes and warrants."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-26-064294","json":"https://secwatch.observer/filing/0001213900-26-064294.json","markdown":"https://secwatch.observer/filing/0001213900-26-064294.md","text":"https://secwatch.observer/filing/0001213900-26-064294.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1845459/000121390026064294/0001213900-26-064294-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1845459/000121390026064294/ea0292593-8k_nkgen.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-02T21:22:39.997911+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":"6a49bd8427799646dc3d214b7dfd08731bbf3394","claim":"NKGen Biotech, Inc. amended Third Omnibus Amendment to Secured Convertible Loan Agreement and Warrants with AlpineBrook Capital GP I Limited valued at $2,420,000 (effective 2026-05-27).","evidence_excerpt":"On May 27, 2026, NKGen Biotech, Inc., a Delaware corporation (the “ Company ”), and NKGen Operating Biotech, Inc., a Delaware corporation and wholly owned subsidiary of the Company (“ NKGen OpCo ,” and together with the Company, the “ Borrowers ”), entered into a Third Omnibus Amendment to Secured Convertible Loan Agreement and Warrants (the “ Third Amendment ”) with AlpineBrook Capital GP I Limited (the “ Lender ”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1845459/000121390026064294/0001213900-26-064294-index.htm","confidence":0.9}],"comparable_filings":[{"accession":"0001193125-26-252668","ticker":"BTU","company_name":"PEABODY ENERGY CORP","filed_at":"2026-06-02T14:17:48+00:00","headline":"Peabody prices $250M convertible notes due 2031, repurchases $241.2M of 2028 notes","event_type":"debt","sec_items":["1.01","2.03","3.02","9.01"],"materiality_score":0.65,"calibrated_materiality_score":0.65,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01, 2.03, 3.02, 9.01","same event type: debt","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-252668","json":"https://secwatch.observer/filing/0001193125-26-252668.json","markdown":"https://secwatch.observer/filing/0001193125-26-252668.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1064728/000119312526252668/0001193125-26-252668-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1064728/000119312526252668/d112966d8k.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On May 27, 2026, NKGen Biotech, Inc., a Delaware corporation (the “ Company ”), and NKGen Operating Biotech, Inc., a Delaware corporation and wholly owned subsidiary of the Company (“ NKGen OpCo ,” and together with the Company, the “ Borrowers ”), entered into a Third Omnibus Amendment to Secured Convertible Loan Agreement and Warrants (the “ Third Amendment ”) with AlpineBrook Capital GP I Limited (the “ Lender ”).","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1845459/000121390026064294/0001213900-26-064294-index.htm","comparable_excerpt":"Convertible Notes and the Indenture On May 28, 2026, Peabody Energy Corporation (the “Company” or “Peabody”) priced its private offering of $225 million in aggregate principal amount of 0.50% Convertible Senior Notes due 2031 (the “Initial Notes”).","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1064728/000119312526252668/0001193125-26-252668-index.htm"}},{"accession":"0001882781-26-000041","ticker":"CBLO","company_name":"C2 Blockchain, Inc.","filed_at":"2026-06-02T14:08:44+00:00","headline":"C2 Blockchain raises $130K and up to $1.2M via convertible notes with heavy dilution","event_type":"debt","sec_items":["1.01","2.03","3.02","9.01"],"materiality_score":0.65,"calibrated_materiality_score":0.65,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01, 2.03, 3.02, 9.01","same event type: debt","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001882781-26-000041","json":"https://secwatch.observer/filing/0001882781-26-000041.json","markdown":"https://secwatch.observer/filing/0001882781-26-000041.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1882781/000188278126000041/0001882781-26-000041-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1882781/000188278126000041/form8k6226o.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On May 27, 2026, NKGen Biotech, Inc., a Delaware corporation (the “ Company ”), and NKGen Operating Biotech, Inc., a Delaware corporation and wholly owned subsidiary of the Company (“ NKGen OpCo ,” and together with the Company, the “ Borrowers ”), entered into a Third Omnibus Amendment to Secured Convertible Loan Agreement and Warrants (the “ Third Amendment ”) with AlpineBrook Capital GP I Limited (the “ Lender ”).","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1845459/000121390026064294/0001213900-26-064294-index.htm","comparable_excerpt":"On May 28, 2026, the Company entered into a Securities Purchase Agreement with Leonite Fund I, LP (“Leonite”), pursuant to which the Company issued and sold a Senior Secured Convertible Promissory Note having an aggregate principal amount of up to $1,200,000 (the “Leonite Note”).","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1882781/000188278126000041/0001882781-26-000041-index.htm"}},{"accession":"0001213900-26-054183","ticker":"EMAT","company_name":"Evolution Metals & Technologies Corp.","filed_at":"2026-05-11T23:59:59+00:00","headline":"EMAT secures $100M convertible debenture facility from Yorkville; first $20M tranche issued","event_type":"debt","sec_items":["1.01","2.03","3.02","7.01","9.01"],"materiality_score":0.7,"calibrated_materiality_score":0.7,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01, 2.03, 3.02, 9.01","same event type: debt","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-26-054183","json":"https://secwatch.observer/filing/0001213900-26-054183.json","markdown":"https://secwatch.observer/filing/0001213900-26-054183.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1866226/000121390026054183/0001213900-26-054183-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1866226/000121390026054183/ea0290073-8k_evolution.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On May 27, 2026, NKGen Biotech, Inc., a Delaware corporation (the “ Company ”), and NKGen Operating Biotech, Inc., a Delaware corporation and wholly owned subsidiary of the Company (“ NKGen OpCo ,” and together with the Company, the “ Borrowers ”), entered into a Third Omnibus Amendment to Secured Convertible Loan Agreement and Warrants (the “ Third Amendment ”) with AlpineBrook Capital GP I Limited (the “ Lender ”).","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1845459/000121390026064294/0001213900-26-064294-index.htm","comparable_excerpt":"On May 7, 2026, Evolution Metals & Technologies Corp. (“EMAT” or the “Company”) entered into a Securities Purchase Agreement (the “Securities Purchase Agreement”) with YA II PN, LTD. (“Yorkville”), a fund managed by Yorkville Advisors Global, LP, pursuant to which the Company agreed to issue and sell to Yorkville convertible debentures in the aggregate principal amount of up to $100,000,000","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1866226/000121390026054183/0001213900-26-054183-index.htm"}},{"accession":"0001213900-26-053894","ticker":"TBH","company_name":"Brag House Holdings, Inc.","filed_at":"2026-05-08T23:59:59+00:00","headline":"Brag House issues $2.5M convertible notes at 25% OID; proceeds for House of Doge merger","event_type":"debt","sec_items":["1.01","2.03","3.02","9.01"],"materiality_score":0.75,"calibrated_materiality_score":0.75,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01, 2.03, 3.02, 9.01","same event type: debt","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-26-053894","json":"https://secwatch.observer/filing/0001213900-26-053894.json","markdown":"https://secwatch.observer/filing/0001213900-26-053894.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1903595/000121390026053894/0001213900-26-053894-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1903595/000121390026053894/ea0289773-8k_braghouse.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On May 27, 2026, NKGen Biotech, Inc., a Delaware corporation (the “ Company ”), and NKGen Operating Biotech, Inc., a Delaware corporation and wholly owned subsidiary of the Company (“ NKGen OpCo ,” and together with the Company, the “ Borrowers ”), entered into a Third Omnibus Amendment to Secured Convertible Loan Agreement and Warrants (the “ Third Amendment ”) with AlpineBrook Capital GP I Limited (the “ Lender ”).","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1845459/000121390026064294/0001213900-26-064294-index.htm","comparable_excerpt":"In connection with the Offering, on May 4, 2026, the Company entered into a Registration Rights Agreement (the “Registration Rights Agreement”) with the Purchasers.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1903595/000121390026053894/0001213900-26-053894-index.htm"}},{"accession":"0001492691-26-000042","ticker":"KNX","company_name":"Knight-Swift Transportation Holdings Inc.","filed_at":"2026-05-08T23:59:59+00:00","headline":"Knight-Swift closes $1.5B convertible note offering at 1.00% due 2031; proceeds used to repay term loans and revolver","event_type":"debt","sec_items":["1.01","2.03","3.02","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, 2.03, 3.02, 9.01","same event type: debt","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001492691-26-000042","json":"https://secwatch.observer/filing/0001492691-26-000042.json","markdown":"https://secwatch.observer/filing/0001492691-26-000042.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1492691/000149269126000042/0001492691-26-000042-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1492691/000149269126000042/knx-20260505.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On May 27, 2026, NKGen Biotech, Inc., a Delaware corporation (the “ Company ”), and NKGen Operating Biotech, Inc., a Delaware corporation and wholly owned subsidiary of the Company (“ NKGen OpCo ,” and together with the Company, the “ Borrowers ”), entered into a Third Omnibus Amendment to Secured Convertible Loan Agreement and Warrants (the “ Third Amendment ”) with AlpineBrook Capital GP I Limited (the “ Lender ”).","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1845459/000121390026064294/0001213900-26-064294-index.htm","comparable_excerpt":"On May 8, 2026, Knight-Swift Transportation Holdings Inc. (the \"Company\") completed its previously announced private offering (the \"Offering\") of $1.5 billion aggregate principal amount of 1.00% Convertible Senior Notes due 2031 (the \"Notes\"), including the exercise in full of the initial purchasers' option to purchase up to an additional $200.0 million principal amount of the Notes.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1492691/000149269126000042/0001492691-26-000042-index.htm"}},{"accession":"0001193125-26-253821","ticker":"WS","company_name":"Worthington Steel, Inc.","filed_at":"2026-06-02T21:06:49+00:00","headline":"Worthington Steel prices $700M 7.75% notes due 2033 and $700M term loan for Klöckner acquisition","event_type":"debt","sec_items":["1.01","2.03","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, 2.03, 9.01","same event type: debt","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-253821","json":"https://secwatch.observer/filing/0001193125-26-253821.json","markdown":"https://secwatch.observer/filing/0001193125-26-253821.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1968487/000119312526253821/0001193125-26-253821-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1968487/000119312526253821/d435492d8k.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On May 27, 2026, NKGen Biotech, Inc., a Delaware corporation (the “ Company ”), and NKGen Operating Biotech, Inc., a Delaware corporation and wholly owned subsidiary of the Company (“ NKGen OpCo ,” and together with the Company, the “ Borrowers ”), entered into a Third Omnibus Amendment to Secured Convertible Loan Agreement and Warrants (the “ Third Amendment ”) with AlpineBrook Capital GP I Limited (the “ Lender ”).","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1845459/000121390026064294/0001213900-26-064294-index.htm","comparable_excerpt":"On June 1, 2026, the Company issued $700,000,000 aggregate principal amount of its 7.750% Senior Secured Notes due 2033 (the \" Notes ,\" and such offering, the \" Note Offering \") pursuant to an indenture (the \" Indenture \"), dated as of June 1, 2026, among the Company, as issuer, the guarantors from time to time party thereto (the \" Note Guarantors \") and Deutsche Bank Trust Company Americas, as trustee and notes collateral agent.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1968487/000119312526253821/0001193125-26-253821-index.htm"}},{"accession":"0001665918-26-000041","ticker":"USFD","company_name":"US Foods Holding Corp.","filed_at":"2026-06-02T20:58:31+00:00","headline":"US Foods upsizes ABL facility to $2.5B and extends maturity to 2031","event_type":"debt","sec_items":["1.01","2.03","9.01"],"materiality_score":0.55,"calibrated_materiality_score":0.55,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01, 2.03, 9.01","same event type: debt","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001665918-26-000041","json":"https://secwatch.observer/filing/0001665918-26-000041.json","markdown":"https://secwatch.observer/filing/0001665918-26-000041.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1665918/000166591826000041/0001665918-26-000041-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1665918/000166591826000041/usfd-20260528.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On May 27, 2026, NKGen Biotech, Inc., a Delaware corporation (the “ Company ”), and NKGen Operating Biotech, Inc., a Delaware corporation and wholly owned subsidiary of the Company (“ NKGen OpCo ,” and together with the Company, the “ Borrowers ”), entered into a Third Omnibus Amendment to Secured Convertible Loan Agreement and Warrants (the “ Third Amendment ”) with AlpineBrook Capital GP I Limited (the “ Lender ”).","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1845459/000121390026064294/0001213900-26-064294-index.htm","comparable_excerpt":"On May 28, 2026, US Foods, Inc. (“US Foods”) entered into an amendment (the “Amendment”) to its existing ABL Credit Agreement, dated as of May 31, 2019, as amended, restated, modified or supplemented from time to time, by and among US Foods, the other Loan Parties (defined in the ABL Agreement), each lender and issuing lender from time to time party thereto, and Wells Fargo Bank, National Association, as administrative agent and collateral agent (the “ABL Agreement”).","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1665918/000166591826000041/0001665918-26-000041-index.htm"}},{"accession":"0001657853-26-000036","ticker":"HTZ","company_name":"HERTZ GLOBAL HOLDINGS, INC","filed_at":"2026-06-02T20:42:59+00:00","headline":"Hertz issues $1B asset-backed notes via HVF III at rates 5.09%-10.67%","event_type":"debt","sec_items":["1.01","2.03","9.01"],"materiality_score":0.55,"calibrated_materiality_score":0.55,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01, 2.03, 9.01","same event type: debt","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001657853-26-000036","json":"https://secwatch.observer/filing/0001657853-26-000036.json","markdown":"https://secwatch.observer/filing/0001657853-26-000036.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1657853/000165785326000036/0001657853-26-000036-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/47129/000165785326000036/htz-20260528.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On May 27, 2026, NKGen Biotech, Inc., a Delaware corporation (the “ Company ”), and NKGen Operating Biotech, Inc., a Delaware corporation and wholly owned subsidiary of the Company (“ NKGen OpCo ,” and together with the Company, the “ Borrowers ”), entered into a Third Omnibus Amendment to Secured Convertible Loan Agreement and Warrants (the “ Third Amendment ”) with AlpineBrook Capital GP I Limited (the “ Lender ”).","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/1845459/000121390026064294/0001213900-26-064294-index.htm","comparable_excerpt":"(2) the Series 2026-2 Fixed Rate Rental Car Asset Backed Notes, Class A, Class B, Class C, Class D, and Class E, in an aggregate principal amount equal to $500,000,000, pursuant to the Series 2026-2 Supplement (the “ Series 2026-2 Supplement ”), dated as of May 28, 2026, among HVF III, as issuer, THC, as administrator, and BNYM, as trustee, to the Base Indenture","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1657853/000165785326000036/0001657853-26-000036-index.htm"}}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}