{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-21-121662","form_type":"8-K","ticker":"MXCT","cik":"0001287098","company_name":"MAXCYTE, INC.","filed_at":"2021-10-01T23:59:59+00:00","discovered_at":"2026-05-14T18:04:11.912178+00:00","generated_at":"2026-06-28T23:48:43.212997+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"MaxCyte Chairman Dr. Thompson not standing for re-election at Oct 29 meeting","bullets":["Dr. J. Stark Thompson will not stand for re-election at the Annual Meeting on October 29, 2021.","He will serve as director and Chairman until the meeting; decision not related to any disagreement.","After meeting, board size will be eight members; a new Chairman will be appointed.","Thompson will continue as a consultant; his outstanding stock options will continue to vest."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-21-121662","json":"https://secwatch.observer/filing/0001104659-21-121662.json","markdown":"https://secwatch.observer/filing/0001104659-21-121662.md","text":"https://secwatch.observer/filing/0001104659-21-121662.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1287098/000110465921121662/0001104659-21-121662-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1287098/000110465921121662/tm2128927d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T23:48:43.212997+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":"a7309207e1","claim":"J. Stark Thompson departed as Chairman of the Board and Director at MAXCYTE, INC..","evidence_excerpt":"On September 30, 2021, Dr. J. Stark Thompson notified the board of directors (the “ Board ”) of MaxCyte, Inc. (the “ Company ”) that he will not stand for re-election at the Annual Meeting of Stockholders to be held on October 29, 2021 (the “ Annual Meeting ”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1287098/000110465921121662/0001104659-21-121662-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"will not stand for re-election"},{"label":"Role","value":"Chairman of the Board and Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}