{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-26-003907","form_type":"8-K","ticker":"SUPN","cik":"0001356576","company_name":"SUPERNUS PHARMACEUTICALS, INC.","filed_at":"2026-01-28T23:59:59+00:00","discovered_at":"2026-05-14T18:02:34.908464+00:00","generated_at":"2026-05-16T06:55:12.396893+00:00","sec_items":["1.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"low","headline":"Supernus amends 2018 merger agreement milestone terms with Reich Consulting","bullets":["First Amendment to Merger Agreement dated September 12, 2018, entered on January 22, 2026.","Amendment adjusts timing and payment terms for certain milestones under the original deal.","Exhibit 10.1 filed with limited redactions for non-material, competitively harmful details.","No financial figures or revised milestone amounts disclosed in the filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-26-003907","json":"https://secwatch.observer/filing/0001628280-26-003907.json","markdown":"https://secwatch.observer/filing/0001628280-26-003907.md","text":"https://secwatch.observer/filing/0001628280-26-003907.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1356576/000162828026003907/0001628280-26-003907-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1356576/000162828026003907/supn-20260128.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T06:55:12.396893+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":"264f1138610d1d9f13af06c7579b6ab3d16986b2","claim":"SUPERNUS PHARMACEUTICALS, INC. amended First Amendment with Reich Consulting Group, Inc. as the Securityholder Representative (effective 2026-01-22).","evidence_excerpt":"On January 22, 2026, Supernus Pharmaceuticals, Inc. (the “Company”) entered into a First Amendment (the “Amendment”) to the Agreement and Plan of Merger dated September 12, 2018 (the “Merger Agreement”), with Reich Consulting Group, Inc. as the Securityholder Representative.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1356576/000162828026003907/0001628280-26-003907-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"amendment"},{"label":"Agreement","value":"merger"},{"label":"Counterparty","value":"Reich Consulting Group, Inc. as the Securityholder Representative"},{"label":"Effective","value":"2026-01-22"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}