{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-21-138160","form_type":"8-K","ticker":"QTRX","cik":"0001503274","company_name":"Quanterix Corp","filed_at":"2021-11-12T23:59:59+00:00","discovered_at":"2026-05-14T18:04:12.773342+00:00","generated_at":"2026-06-28T09:08:21.061475+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Quanterix COO William Geist steps down; President Toloue adds operating duties","bullets":["William Geist to depart as COO effective Nov 12, 2021; will assist with transition for 6 weeks.","President Masoud Toloue assumes consolidated responsibility for all operating activities.","Geist receives severance: base salary continuation of $400k for 12 months, $200k lump sum target bonus.","Unvested equity that would have vested during the severance period accelerates upon separation.","Separation agreement includes non-disparagement, confidentiality, and 1-year employee non-solicitation."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-21-138160","json":"https://secwatch.observer/filing/0001104659-21-138160.json","markdown":"https://secwatch.observer/filing/0001104659-21-138160.md","text":"https://secwatch.observer/filing/0001104659-21-138160.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1503274/000110465921138160/0001104659-21-138160-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1503274/000110465921138160/tm2132575d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T09:08:21.061475+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":"2e3a620e02","claim":"William Geist departed as Chief Operating Officer at Quanterix Corp.","evidence_excerpt":"the Company and William Geist, who previously served as the Company’s Chief Operating Officer, agreed that Mr. Geist would be stepping down from the Company effective November 12, 2021.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1503274/000110465921138160/0001104659-21-138160-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"stepping down"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"},{"claim_id":"b944f3add0","claim":"Masoud Toloue changed role as President at Quanterix Corp.","evidence_excerpt":"consolidated responsibilty for the Company's operating activities under Masoud Toloue, President of Quanterix and Diagnostics.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1503274/000110465921138160/0001104659-21-138160-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"consolidated responsibility for operating activities"},{"label":"Role","value":"President"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}