{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-279213","form_type":"8-K/A","ticker":"OABI","cik":"0001846253","company_name":"OmniAb, Inc.","filed_at":"2022-11-07T23:59:59+00:00","discovered_at":"2026-05-14T18:03:52.697919+00:00","generated_at":"2026-06-22T05:56:49.817599+00:00","sec_items":["4.01","5.03","5.05","8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"OmniAb files 8-K/A: Auditor changed to EY, pro forma shows $390.6M assets, 114.8M shares outstanding after SPAC close","bullets":["Dismissed Marcum as auditor, engaged EY as new independent registered public accounting firm effective Nov 1, 2022.","Pro forma shows 114.8M shares outstanding; Legacy OmniAb stockholders hold 85%, Sponsor 13.9%, public 1.1%.","APAC public shareholders redeemed 21.7M shares for ~$224M ($10.32/share), leaving only 1.3M public shares.","Adopted new certificate of incorporation, bylaws, and code of business conduct and ethics.","OmniAb became successor issuer; OABI and OABIW now registered under Section 12(b)."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-279213","json":"https://secwatch.observer/filing/0001193125-22-279213.json","markdown":"https://secwatch.observer/filing/0001193125-22-279213.md","text":"https://secwatch.observer/filing/0001193125-22-279213.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1846253/000119312522279213/0001193125-22-279213-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1846253/000119312522279213/d400679d8ka.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-22T05:56:49.817599+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":"2cb8555cb08a9deccf972eb19990998d4c74e534","claim":"OmniAb, Inc. dismissed Marcum LLP as its auditor.","evidence_excerpt":"On November 1, 2022, the Board dismissed Marcum LLP (“Marcum”), APAC’s independent registered public accounting firm prior to the Business Combination, as the Company’s independent registered public accounting firm effective immediately following the filing of the Company’s quarterly report on Form 10-Q for the quarter ended September 30, 2022","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1846253/000119312522279213/0001193125-22-279213-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"dismissal"},{"label":"Auditor","value":"Marcum LLP"},{"label":"Successor","value":"Ernst & Young LLP"}],"fact_type":"auditor_change"},{"claim_id":"8d1806e32c400dcb4e1ed679c56822210b1c1e95","claim":"OmniAb, Inc. engaged Ernst & Young LLP as its auditor.","evidence_excerpt":"On November 1, 2022, the Board approved the engagement of EY as the Company’s independent registered public accounting firm to audit the Company’s consolidated financial statements for the year ending December 31, 2022","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1846253/000119312522279213/0001193125-22-279213-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"engagement"},{"label":"Auditor","value":"Ernst & Young LLP"}],"fact_type":"auditor_change"},{"claim_id":"38b0342c375667463dbb8869b05341dce6ef8e3e","claim":"OmniAb, Inc.: Adopted new Code of Business Conduct and Ethics (effective 2022-11-01).","evidence_excerpt":"On November 1, 2022, the Board approved and adopted a new Code of Business Conduct and Ethics applicable to all employees, officers and directors of OmniAb.","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1846253/000119312522279213/0001193125-22-279213-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"code of ethics"},{"label":"Effective","value":"2022-11-01"}],"fact_type":"governance_change"},{"claim_id":"3d404c99669b23956b3b21001cda2e53e19e3316","claim":"OmniAb, Inc.: Amended Certificate of Incorporation to reflect changes from business combination (effective 2022-10-31).","evidence_excerpt":"The Certificate of Incorporation of the Company (the “Certificate of Incorporation”), which became effective upon filing with the Secretary of State of the State of Delaware on October 31, 2022, includes the amendments proposed by the Charter Proposals.","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1846253/000119312522279213/0001193125-22-279213-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"charter amendment"},{"label":"Effective","value":"2022-10-31"}],"fact_type":"governance_change"},{"claim_id":"61797d88bac650e1b0724881f87d9f1e178726e5","claim":"OmniAb, Inc.: Adopted new Bylaws effective as of closing of business combination.","evidence_excerpt":"Prior to the Business Combination, the Board approved and adopted the Bylaws of OmniAb (the “Bylaws”), which became effective as of the Effective Time.","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1846253/000119312522279213/0001193125-22-279213-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"bylaw amendment"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}