{"filings":[{"id":97141,"accession_number":"0001829126-26-004870","cik":2000775,"company_name":"Black Hawk Acquisition Corp","ticker":"BKHA","form_type":"8-K","filed_at":"2026-05-08T23:59:59+00:00","items":["1.01","2.03","3.02","9.01"],"status":"ready","headline":"Black Hawk Acquisition issues up to $300K convertible note to sponsor at 10% interest","event_type":"debt","confidence":"high","bullets":["Principal amount up to $300,000; interest accrues at 10% per annum from April 20, 2026.","Note due and payable upon closing of a business combination (DeSPAC) or liquidation of the company.","Sponsor may convert unpaid principal into ordinary shares at $1.00 per share upon DeSPAC.","Proceeds used for working capital expenses; note is unsecured and sponsor waives trust account claims.","Holder entitled to registration rights for conversion shares post-DeSPAC."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.4,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":97140,"accession_number":"0001829126-26-003042","cik":2000775,"company_name":"Black Hawk Acquisition Corp","ticker":"BKHA","form_type":"8-K","filed_at":"2026-04-01T23:59:59+00:00","items":["3.01"],"status":"ready","headline":"Black Hawk Acquisition receives Nasdaq MVLS deficiency notice; has until Sept 28, 2026 to regain compliance","event_type":"regulatory","confidence":"high","bullets":["MVLS fell below $50M for 30 consecutive business days as of March 31, 2026.","Must close at $50M+ for at least 10 consecutive business days to regain compliance.","180-day compliance period ends September 28, 2026.","Trading of units, ordinary shares, and rights continues uninterrupted on Nasdaq.","Company may apply to transfer listing to Nasdaq Capital Market if needed."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"negative","materiality_score":0.6,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":111681,"accession_number":"0001829126-26-002413","cik":2000775,"company_name":"Black Hawk Acquisition Corp","ticker":"BKHA","form_type":"8-K","filed_at":"2026-03-17T23:59:59+00:00","items":["5.02","7.01","9.01"],"status":"ready","headline":"Vesicor Therapeutics appoints Michael Tolentino as CEO; Luo Feng becomes CSO","event_type":"leadership","confidence":"high","bullets":["Michael Tolentino, M.D., appointed CEO of Vesicor Therapeutics, the de-SPAC target of Black Hawk Acquisition (Nasdaq: BKHA, BKHAU, BKHAR), effective March 17, 2026.","Tolentino succeeds founder Luo Feng, who becomes Chief Scientific Officer; Tolentino brings 20+ years biotech experience including inventing Avastin and co-founding Aviceda ($207.5M Series C).","Employment agreement: 3-year term, $48k base salary (subject to increase if Vesicor raises $5M), severance of 2x salary plus bonus, non-compete for 1 year post-termination.","Tolentino aims to accelerate IND-enabling studies and FDA submission for Vesicor's p53-based cancer therapeutics developed with precision-engineered microvesicles.","Tolentino also serves as co-founder/CEO of Avdarna Therapeutics and co-founder/CDO of Aikium; he previously led Acuity Pharmaceuticals (merged into OPKO Health)."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","materiality_score":0.65,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":111680,"accession_number":"0001829126-26-001472","cik":2000775,"company_name":"Black Hawk Acquisition Corp","ticker":"BKHA","form_type":"8-K","filed_at":"2026-02-19T23:59:59+00:00","items":["1.01","2.03","3.02","9.01"],"status":"ready","headline":"Black Hawk Acquisition issues up to $300K convertible note to sponsor at 10% interest","event_type":"debt","confidence":"high","bullets":["Convertible note principal up to $300,000 issued to sponsor Black Hawk Management LLC.","Note bears 10% interest per annum; due upon business combination or liquidation.","Sponsor may convert principal at $1.00 per share into ordinary shares upon DeSPAC.","Proceeds used for working capital expenses; note exempt from registration under Section 4(a)(2)."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.3,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":111679,"accession_number":"0001829126-26-000910","cik":2000775,"company_name":"Black Hawk Acquisition Corp","ticker":"BKHA","form_type":"8-K","filed_at":"2026-02-03T23:59:59+00:00","items":["5.02"],"status":"ready","headline":"Vesicor CFO dies; Creem named CFO, Field joins board","event_type":"leadership","confidence":"high","bullets":["Michael Bowen, CFO of Vesicor (Black Hawk's proposed merger target), passed away on Jan 27, 2026.","Vesicor board appointed Mitchell Creem as CFO effective Jan 27, 2026; no employment agreement.","Vesicor board appointed Frederick Woodruff Field as independent director on Jan 26, 2026.","Creem has 35+ yrs healthcare finance experience: CFO of ApolloMed/Astrana, UCLA Health, Beth Israel.","Field is CEO of Radar Pictures, co-founded Interscope Records; brings executive and board experience."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.4,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":145119,"accession_number":"0001829126-25-007626","cik":2000775,"company_name":"Black Hawk Acquisition Corp","ticker":"BKHA","form_type":"8-K","filed_at":"2025-09-24T23:59:59+00:00","items":["8.01"],"status":"ready","headline":"Black Hawk Acquisition deposits $150K to extend SPAC deadline to Oct 22, 2025","event_type":"other_material","confidence":"high","bullets":["Extension payment of $150,000 deposited into trust account to extend business combination deadline.","Deadline extended one month from September 22, 2025 to October 22, 2025.","Extension provides additional time to consummate an initial business combination.","Company is a SPAC with units, ordinary shares, and rights trading on Nasdaq."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.1,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":145118,"accession_number":"0001829126-25-006840","cik":2000775,"company_name":"Black Hawk Acquisition Corp","ticker":"BKHA","form_type":"8-K","filed_at":"2025-08-28T23:59:59+00:00","items":["8.01"],"status":"ready","headline":"Black Hawk Acquisition extends business combination deadline to Sept 22, 2025 with $150K deposit","event_type":"other_material","confidence":"high","bullets":["Deposited $150,000 into trust account to extend period for initial business combination by one month.","Deadline extended from August 22, 2025 to September 22, 2025.","Extension payment benefits public shareholders by providing additional time to complete a deal.","No business combination has been announced as of the filing date."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.5,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":145117,"accession_number":"0001829126-25-005938","cik":2000775,"company_name":"Black Hawk Acquisition Corp","ticker":"BKHA","form_type":"8-K","filed_at":"2025-08-08T23:59:59+00:00","items":["8.01"],"status":"ready","headline":"Black Hawk Acquisition deposits $150K to extend business combination deadline to Aug 22, 2025","event_type":"other_material","confidence":"high","bullets":["$150,000 deposited into trust account for public shareholders to fund one-month extension.","Extension moves deadline from July 22, 2025 to August 22, 2025 for initial business combination.","Company remains a SPAC with no announced definitive agreement for a target transaction.","Extension payment preserves trust funds while management continues search for acquisition."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.5,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":145112,"accession_number":"0001829126-25-005279","cik":2000775,"company_name":"Black Hawk Acquisition Corp","ticker":"BKHA","form_type":"8-K/A","filed_at":"2025-07-22T23:59:59+00:00","items":["8.01"],"status":"ready","headline":"Black Hawk Acquisition reports ~70% share redemption; $51M withdrawn from trust","event_type":"other_material","confidence":"high","bullets":["Holders of 4,775,923 ordinary shares redeemed at $10.68/share, removing ~$51.0M from trust account.","Trust balance reduced to ~$22.7M; public shares outstanding after redemption: 2,124,077.","Total ordinary shares issued and outstanding post-redemption: 4,153,577."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"negative","materiality_score":0.8,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":145116,"accession_number":"0001829126-25-005054","cik":2000775,"company_name":"Black Hawk Acquisition Corp","ticker":"BKHA","form_type":"8-K","filed_at":"2025-07-14T23:59:59+00:00","items":["1.01","5.03","5.07","8.01","9.01"],"status":"ready","headline":"Black Hawk Acquisition shareholders approve extension to Dec 2026; ~$51M redeemed","event_type":"other_material","confidence":"high","bullets":["Shareholders approved extension of business combination deadline to Dec 22, 2026, with up to 18 monthly extensions at $150k each.","4,775,923 shares redeemed at ~$10.68, removing ~$51.01M from trust; $22.69M remains.","Extension amendment and trust amendment passed with 5,857,684 for, 1,561,829 against, 124,343 abstentions.","Company has 45-day cure period for missed extension payments; failure triggers liquidation."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.65,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":145115,"accession_number":"0001829126-25-004929","cik":2000775,"company_name":"Black Hawk Acquisition Corp","ticker":"BKHA","form_type":"8-K","filed_at":"2025-07-08T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"Black Hawk Acquisition amends trust extension fee to fixed $150K per month","event_type":"other_material","confidence":"high","bullets":["Original fee was $0.033 per outstanding share; revised to $150,000 flat per one-month extension.","Maximum of 18 monthly extensions allowed, extending deadline to December 22, 2026.","Change eliminates discretion over deposit amount, providing clarity for shareholders.","Supplement filed to definitive proxy statement originally dated June 10, 2025."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.5,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":145114,"accession_number":"0001829126-25-004895","cik":2000775,"company_name":"Black Hawk Acquisition Corp","ticker":"BKHA","form_type":"8-K","filed_at":"2025-07-03T23:59:59+00:00","items":["8.01"],"status":"ready","headline":"Black Hawk Acquisition adjourns extraordinary general meeting to July 8, 2025","event_type":"other_material","confidence":"high","bullets":["Meeting originally scheduled July 3, 2025 adjourned to July 8, 2025 at 8:00 p.m. ET.","Adjournment to solicit additional votes on matters in the proxy statement.","Record date remains June 2, 2025; previously submitted proxies remain valid."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.4,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":145113,"accession_number":"0001829126-25-004830","cik":2000775,"company_name":"Black Hawk Acquisition Corp","ticker":"BKHA","form_type":"8-K","filed_at":"2025-07-01T23:59:59+00:00","items":["8.01"],"status":"ready","headline":"Black Hawk Acquisition adjourns Extraordinary General Meeting to July 3, 2025 for additional votes","event_type":"other_material","confidence":"high","bullets":["Extraordinary General Meeting adjourned from July 1, 2025 to July 3, 2025 at 5:00 PM ET; meeting will continue virtually.","Only shareholders of record as of June 2, 2025 are entitled to vote at the adjourned meeting.","Proxies previously submitted will be voted at the adjourned meeting unless properly revoked; shareholders need not take further action.","Company adjourned to solicit additional votes on matters listed in the proxy statement."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.3,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":163505,"accession_number":"0001829126-25-004761","cik":2000775,"company_name":"Black Hawk Acquisition Corp","ticker":"BKHA","form_type":"8-K","filed_at":"2025-06-27T23:59:59+00:00","items":["8.01"],"status":"ready","headline":"Black Hawk Acquisition adjourns extraordinary general meeting to July 1 for additional votes","event_type":"other_material","confidence":"high","bullets":["Meeting originally set for June 27, 2025 adjourned to July 1, 2025 at 5:00 p.m. ET.","Adjournment intended to solicit additional votes on proposals in the proxy statement.","Shareholders of record as of June 2, 2025 may vote; prior proxies remain valid unless revoked.","Meeting will continue to be held virtually."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.3,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":163504,"accession_number":"0001829126-25-004657","cik":2000775,"company_name":"Black Hawk Acquisition Corp","ticker":"BKHA","form_type":"8-K","filed_at":"2025-06-24T23:59:59+00:00","items":["8.01"],"status":"ready","headline":"Black Hawk Acquisition adjourns June 23 shareholder meeting to June 27 for more votes","event_type":"other_material","confidence":"high","bullets":["Extraordinary General Meeting adjourned from June 23 at 8:30 PM ET to June 27 at 5:00 PM ET.","Adjournment intended to solicit additional votes on matters in the proxy statement.","Meeting will continue to be held virtually; record date remains June 2, 2025.","Proxies already submitted will be voted at the adjourned meeting unless revoked.","Shareholders who already voted need not take any further action."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.4,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":163503,"accession_number":"0001829126-25-004643","cik":2000775,"company_name":"Black Hawk Acquisition Corp","ticker":"BKHA","form_type":"8-K","filed_at":"2025-06-23T23:59:59+00:00","items":["8.01"],"status":"ready","headline":"Black Hawk Acquisition adjourns EGM to 8:30pm ET June 23 for more votes","event_type":"other_material","confidence":"high","bullets":["Extraordinary general meeting convened June 23, 2025 at 2:00pm ET and adjourned to 8:30pm ET same day.","Adjournment intended to solicit additional votes on matters from proxy statement.","Only shareholders of record as of June 2, 2025 may vote; previously submitted proxies remain valid.","Meeting continues virtually; shareholders who already voted need not take further action."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.1,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":163502,"accession_number":"0001829126-25-004621","cik":2000775,"company_name":"Black Hawk Acquisition Corp","ticker":"BKHA","form_type":"8-K","filed_at":"2025-06-20T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"Black Hawk Acquisition Corp amends Trust Amendment Proposal to remove $55K cap, fix $0.033/share fee","event_type":"other_material","confidence":"high","bullets":["Filed supplement to definitive proxy statement (filed June 10) on June 20, 2025, amending Trust Amendment Proposal language.","Removed discretion to deposit up to $55,000 per month; now requires $0.033 per outstanding public share for each one-month extension.","Extension period allows up to 18 one-month extensions to December 22, 2026, to complete a business combination.","Change intended to eliminate discretion and ensure greater clarity and consistency in extension fee obligation."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.3,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":163501,"accession_number":"0001829126-25-004598","cik":2000775,"company_name":"Black Hawk Acquisition Corp","ticker":"BKHA","form_type":"8-K","filed_at":"2025-06-20T23:59:59+00:00","items":["8.01"],"status":"ready","headline":"Black Hawk Acquisition adjourns EGM to June 23 for additional vote solicitation","event_type":"other","confidence":"high","bullets":["Extraordinary General Meeting adjourned on June 20, 2025 without any business conducted.","Meeting reconvened to June 23, 2025 at 2:00 p.m. Eastern Time, still virtual.","Only shareholders of record as of June 2, 2025 may vote; previously submitted proxies remain valid."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.25,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":163500,"accession_number":"0001829126-25-004234","cik":2000775,"company_name":"Black Hawk Acquisition Corp","ticker":"BKHA","form_type":"8-K","filed_at":"2025-06-04T23:59:59+00:00","items":["5.02"],"status":"ready","headline":"Black Hawk Acquisition reports death of director Brandon Miller; appoints committee chairs","event_type":"leadership","confidence":"high","bullets":["Brandon Miller, board member and Audit Committee chair, died on April 29, 2025.","Daniel M. McCabe appointed Audit Committee Chair; resigned as Compensation Committee Chair.","Terry W. Protto appointed Compensation Committee Chair to replace McCabe.","No family relationships or material transactions disclosed for McCabe or Protto."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.35,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null}],"next_cursor":null}