{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-22-125493","form_type":"8-K","ticker":"CERT","cik":"0001827090","company_name":"Certara, Inc.","filed_at":"2022-12-08T23:59:59+00:00","discovered_at":"2026-05-14T18:03:52.436610+00:00","generated_at":"2026-06-21T07:42:10.559468+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Certara announces $449M stock purchase by Arsenal Capital Partners at $15/share; David Spaight joins board","bullets":["Arsenal Capital Partners closed $449M purchase of 29,954,521 shares from EQT at $15.00/share.","David Spaight appointed to Board; Eric Liu and Ethan Waxman resign (EQT representatives).","Arsenal agreed to two-year lock-up on new shares, signaling long-term commitment.","Stephen McLean remains on Board; moves to Nominating and Corporate Governance Committee from Audit."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-22-125493","json":"https://secwatch.observer/filing/0001104659-22-125493.json","markdown":"https://secwatch.observer/filing/0001104659-22-125493.md","text":"https://secwatch.observer/filing/0001104659-22-125493.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1827090/000110465922125493/0001104659-22-125493-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1827090/000110465922125493/tm2232188d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-21T07:42:10.559468+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":"3796c285b4","claim":"David Spaight was appointed as Director at Certara, Inc..","evidence_excerpt":"Also on December 8, 2022, David Spaight was appointed to the Board, effective upon the closing, as a Class I director with a term expiring at the Company’s 2024 Annual Meeting of Shareholders, and Mr. Spaight was appointed to serve as a member of the Board’s Compensation Committee, effective upon the closing.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1827090/000110465922125493/0001104659-22-125493-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"924ca4a7b5","claim":"Ethan Waxman resigned as Director at Certara, Inc..","evidence_excerpt":"On December 8, 2022, in connection with the closing of the Sale Transaction (as defined below) (the “closing”), Eric Liu and Ethan Waxman, each a member of the Board of Directors (the “Board”) of Certara, Inc. (the “Company”), each notified the Company of his decision to resign as a director of the Company, effective upon the closing.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1827090/000110465922125493/0001104659-22-125493-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"e35b5c38cf","claim":"Eric Liu resigned as Director at Certara, Inc..","evidence_excerpt":"On December 8, 2022, in connection with the closing of the Sale Transaction (as defined below) (the “closing”), Eric Liu and Ethan Waxman, each a member of the Board of Directors (the “Board”) of Certara, Inc. (the “Company”), each notified the Company of his decision to resign as a director of the Company, effective upon the closing.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1827090/000110465922125493/0001104659-22-125493-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}