{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-204049","form_type":"8-K","ticker":"AURA","cik":"0001501796","company_name":"Aura Biosciences, Inc.","filed_at":"2026-05-04T23:59:59+00:00","discovered_at":"2026-05-14T18:02:32.378529+00:00","generated_at":"2026-05-14T23:52:56.928620+00:00","sec_items":["1.01","2.02","8.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Aura Biosciences to repurchase ~6.9M shares from Matrix Capital at $5.64; reports preliminary cash of $114.7M","bullets":["Enters stock purchase agreement to repurchase up to 6,922,870 shares from Matrix Capital Master Fund at $5.64 per share, matching equity offering price.","Repurchase conditioned on closing of equity offering; expected after offering closing. Matrix held 10.8% of outstanding shares pre-transaction.","Preliminary cash, cash equivalents, and marketable securities as of March 31, 2026: approximately $114.7 million (unaudited).","Repurchase funded by net proceeds from equity offering exceeding $200M; shares become authorized but unissued."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-204049","json":"https://secwatch.observer/filing/0001193125-26-204049.json","markdown":"https://secwatch.observer/filing/0001193125-26-204049.md","text":"https://secwatch.observer/filing/0001193125-26-204049.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1501796/000119312526204049/0001193125-26-204049-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1501796/000119312526204049/d38347d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-14T23:52:56.928620+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":"adee0d07b6374fe4fc8d9ba030177d4025b398ec","claim":"Aura Biosciences, Inc. entered into Repurchase Agreement with Matrix Capital Management Master Fund, LP (effective 2026-04-30).","evidence_excerpt":"On April 30, 2026, Aura Biosciences, Inc. (the “Company”) and Matrix Capital Management Master Fund, LP (“Matrix”) entered into a stock purchase agreement (the “Repurchase Agreement”)","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1501796/000119312526204049/0001193125-26-204049-index.htm","confidence":0.9}],"comparable_filings":[{"accession":"0001193125-26-251791","ticker":"KRMN","company_name":"Karman Holdings Inc.","filed_at":"2026-06-01T21:28:29+00:00","headline":"Selling stockholders price upsized secondary offering of 14M shares at $61/share for ~$854M gross proceeds","event_type":"other_material","sec_items":["1.01","7.01","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, 8.01","same event type: other_material","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-251791","json":"https://secwatch.observer/filing/0001193125-26-251791.json","markdown":"https://secwatch.observer/filing/0001193125-26-251791.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/2040127/000119312526251791/0001193125-26-251791-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2040127/000119312526251791/d117104d8k.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On April 30, 2026, Aura Biosciences, Inc. 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(the “Company”) entered into an underwriting agreement (the “Underwriting Agreement”) with the persons named in Schedule II thereto (the “Selling Stockholders”) and Citigroup Global Markets Inc. and Evercore Group L.L.C., as the underwriters (the “Underwriters”), pursuant to which the Selling Stockholders agreed to sell 14,000,000 shares of common stock, par value $0.001 per share, of the Company (the “Common Stock”) at a public offering price of $61.00 per share (the “Offering Price”), less underwriting discounts and commissions (the “Offering”).","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/2040127/000119312526251791/0001193125-26-251791-index.htm"}},{"accession":"0001185185-26-002273","ticker":"DGAC","company_name":"DISCIPLINED GROWTH ACQUISITION Corp","filed_at":"2026-06-01T20:15:34+00:00","headline":"Disciplined Growth Acquisition Corp. closes $150M IPO on NYSE","event_type":"other_material","sec_items":["1.01","3.02","5.02","5.03","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, 8.01","same event type: other_material","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001185185-26-002273","json":"https://secwatch.observer/filing/0001185185-26-002273.json","markdown":"https://secwatch.observer/filing/0001185185-26-002273.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/2111038/000118518526002273/0001185185-26-002273-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2111038/000118518526002273/dgac8k052926.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On April 30, 2026, Aura Biosciences, Inc. 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(the “Company”) entered into a 15-year Electric Service Agreement (“Electric Service Agreement”) with a local utility provider (the “Utility Company”).","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/2070542/000121390026063565/0001213900-26-063565-index.htm"}},{"accession":"0001379785-26-000024","ticker":"BBDC","company_name":"Barings BDC, Inc.","filed_at":"2026-06-01T20:15:45+00:00","headline":"Barings BDC receives $67M cash from adviser, enters new $11M credit support for Sierra legacy investments","event_type":"other_material","sec_items":["1.01","1.02","9.01"],"materiality_score":0.65,"calibrated_materiality_score":0.65,"match_reasons":["same fact type: material_agreement","same SEC item: 1.01","same event type: other_material","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001379785-26-000024","json":"https://secwatch.observer/filing/0001379785-26-000024.json","markdown":"https://secwatch.observer/filing/0001379785-26-000024.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1379785/000137978526000024/0001379785-26-000024-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1379785/000137978526000024/bbdc-20260529.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On April 30, 2026, Aura Biosciences, Inc. 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The New CSA provides similar credit support as previously provided under the Prior CSA for the remaining unrealized investments in two portfolio companies previously covered by the Prior CSA in an amount equal to the $10,994,928 fair value of such investments as of May 29, 2026 (the “Remaining Obligation”).","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1379785/000137978526000024/0001379785-26-000024-index.htm"}},{"accession":"0001493152-26-026603","ticker":"PUBC","company_name":"Purebase Corp","filed_at":"2026-06-01T19:42:27+00:00","headline":"Purebase to receive 20% of net proceeds from CoreTer mining deal; waives corporate opportunities","event_type":"other_material","sec_items":["1.01","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: other_material","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-26-026603","json":"https://secwatch.observer/filing/0001493152-26-026603.json","markdown":"https://secwatch.observer/filing/0001493152-26-026603.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1575858/000149315226026603/0001493152-26-026603-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1575858/000149315226026603/form8-k.htm"},"side_by_side_evidence":{"fact_type":"material_agreement","source_excerpt":"On April 30, 2026, Aura Biosciences, Inc. 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