{"schema_version":"secwatch.filing_event.v1","accession":"0001505155-23-000059","form_type":"8-K","ticker":"UPLD","cik":"0001505155","company_name":"Upland Software, Inc.","filed_at":"2023-12-08T23:59:59+00:00","discovered_at":"2026-05-14T18:03:29.296075+00:00","generated_at":"2026-06-07T15:32:57.601140+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":"Upland Software director resignation, new director, and COO departure","bullets":["Director Joe Ross resigns effective Jan 1, 2024; Tim Mattox appointed as Class II director.","Tim Mattox (former President/COO) returns to board; not independent; served as strategic advisor since 2021.","David May replaces Ross on the Nominating and Corporate Governance Committee.","COO Paul Miller resigns effective Jan 31, 2024 to pursue other opportunities; no disagreement."],"urls":{"canonical":"https://secwatch.observer/filing/0001505155-23-000059","json":"https://secwatch.observer/filing/0001505155-23-000059.json","markdown":"https://secwatch.observer/filing/0001505155-23-000059.md","text":"https://secwatch.observer/filing/0001505155-23-000059.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1505155/000150515523000059/0001505155-23-000059-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1505155/000150515523000059/upld-20231205.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T15:32:57.601140+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":"22dc919123","claim":"Paul Miller resigned as Chief Operating Officer at Upland Software, Inc..","evidence_excerpt":"On December 7, 2023, Chief Operating Officer Paul Miller notified the Company of his resignation effective January 31, 2024 to pursue other opportunities.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1505155/000150515523000059/0001505155-23-000059-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"},{"claim_id":"42437d3f34","claim":"Joe Ross resigned as Director at Upland Software, Inc..","evidence_excerpt":"On December 5, 2023, director Joe Ross notified the Company of his resignation as a member of the Board, effective January 1, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1505155/000150515523000059/0001505155-23-000059-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"dacb267bfa","claim":"Tim Mattox was appointed as Director at Upland Software, Inc..","evidence_excerpt":"On December 5, 2023, the Board appointed Tim Mattox to the Board as a Class II director, effective January 1, 2024, to fill the vacancy created by Mr. Ross’ resignation.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1505155/000150515523000059/0001505155-23-000059-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"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"}