{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-26-037284","form_type":"8-K","ticker":"WTM","cik":"0000776867","company_name":"WHITE MOUNTAINS INSURANCE GROUP LTD","filed_at":"2026-05-21T20:21:13+00:00","discovered_at":"2026-05-21T20:22:00.490766+00:00","generated_at":"2026-05-21T20:22:53.504649+00:00","sec_items":["5.02","5.07","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"White Mountains director Steven Yi not re-elected; annual meeting votes approve compensation and auditor","bullets":["Steven M. Yi did not stand for re-election; term ended May 21, 2026.","Four Class II directors elected to terms ending 2029: Caffrey, Choksi, Chu, Hicks.","Advisory say-on-pay approved with 98% of votes cast (1,993,894 for).","Appointment of PwC as auditor for 2026 ratified with 2,186,203 votes for."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-26-037284","json":"https://secwatch.observer/filing/0001628280-26-037284.json","markdown":"https://secwatch.observer/filing/0001628280-26-037284.md","text":"https://secwatch.observer/filing/0001628280-26-037284.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/776867/000162828026037284/0001628280-26-037284-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/776867/000162828026037284/wtm-20260521.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-21T20:22:53.504649+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":"2cec0f8bc0","claim":"Steven M. Yi departed as Director at WHITE MOUNTAINS INSURANCE GROUP LTD.","evidence_excerpt":"Mr. Steven M. Yi did not stand for re-election in 2026 as a director of White Mountains Insurance Group, Ltd. (the “Company”) and completed his tenure as a member of the Board of Directors of the Company on May 21, 2026 at the conclusion of his term.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/776867/000162828026037284/0001628280-26-037284-index.htm","confidence":0.95}],"comparable_filings":[{"accession":"0001636282-26-000056","ticker":"SYRE","company_name":"Spyre Therapeutics, Inc.","filed_at":"2026-05-29T20:45:58+00:00","headline":"Spyre Therapeutics stockholders approve amended ESPP; director Peter Harwin resigns","event_type":"other_material","sec_items":["5.02","5.07","9.01"],"materiality_score":0.3,"calibrated_materiality_score":0.3,"match_reasons":["same fact type: executive_change","same SEC item: 5.02, 5.07, 9.01","same event type: other_material","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0001636282-26-000056","json":"https://secwatch.observer/filing/0001636282-26-000056.json","markdown":"https://secwatch.observer/filing/0001636282-26-000056.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1636282/000163628226000056/0001636282-26-000056-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1636282/000163628226000056/syre-20260527.htm"},"side_by_side_evidence":{"fact_type":"executive_change","source_excerpt":"Mr. Steven M. Yi did not stand for re-election in 2026 as a director of White Mountains Insurance Group, Ltd. (the “Company”) and completed his tenure as a member of the Board of Directors of the Company on May 21, 2026 at the conclusion of his term.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/776867/000162828026037284/0001628280-26-037284-index.htm","comparable_excerpt":"In addition, effective as of May 27, 2026, Peter Harwin resigned from the Board.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1636282/000163628226000056/0001636282-26-000056-index.htm"}},{"accession":"0000700564-26-000019","ticker":"FULT","company_name":"FULTON FINANCIAL CORP","filed_at":"2026-05-28T16:18:59+00:00","headline":"Director Martin retires; all proposals pass at Fulton annual meeting","event_type":"other_material","sec_items":["5.02","5.07"],"materiality_score":0.2,"calibrated_materiality_score":0.2,"match_reasons":["same fact type: executive_change","same SEC item: 5.02, 5.07","same event type: other_material","similar materiality"],"urls":{"canonical":"https://secwatch.observer/filing/0000700564-26-000019","json":"https://secwatch.observer/filing/0000700564-26-000019.json","markdown":"https://secwatch.observer/filing/0000700564-26-000019.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/700564/000070056426000019/0000700564-26-000019-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/700564/000070056426000019/fult-20260528.htm"},"side_by_side_evidence":{"fact_type":"executive_change","source_excerpt":"Mr. Steven M. Yi did not stand for re-election in 2026 as a director of White Mountains Insurance Group, Ltd. (the “Company”) and completed his tenure as a member of the Board of Directors of the Company on May 21, 2026 at the conclusion of his term.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/776867/000162828026037284/0001628280-26-037284-index.htm","comparable_excerpt":"George K. Martin, a director of Fulton, did not stand for re-election to Fulton’s Board of Directors (the “Board”) at the Annual Meeting and retired from the Board effective immediately after the Annual Meeting.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/700564/000070056426000019/0000700564-26-000019-index.htm"}},{"accession":"0001750155-26-000080","ticker":"CWBHF","company_name":"Charlotte's Web Holdings, Inc.","filed_at":"2026-06-01T21:13:23+00:00","headline":"Charlotte's Web appoints BAT GC to board, closes debt conversion & US$10M investment","event_type":"other_material","sec_items":["5.02","5.07","8.01"],"materiality_score":0.85,"calibrated_materiality_score":0.85,"match_reasons":["same fact type: executive_change","same SEC item: 5.02, 5.07","same event type: other_material"],"urls":{"canonical":"https://secwatch.observer/filing/0001750155-26-000080","json":"https://secwatch.observer/filing/0001750155-26-000080.json","markdown":"https://secwatch.observer/filing/0001750155-26-000080.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1750155/000175015526000080/0001750155-26-000080-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1750155/000175015526000080/cweb-20260528.htm"},"side_by_side_evidence":{"fact_type":"executive_change","source_excerpt":"Mr. Steven M. Yi did not stand for re-election in 2026 as a director of White Mountains Insurance Group, Ltd. (the “Company”) and completed his tenure as a member of the Board of Directors of the Company on May 21, 2026 at the conclusion of his term.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/776867/000162828026037284/0001628280-26-037284-index.htm","comparable_excerpt":"Effective May 28, 2026 (the “Effective Date”), the board of directors of Charlotte’s Web Holdings, Inc. (the “Company”), appoint James Jeffery Raborn to the Company’s board of directors","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1750155/000175015526000080/0001750155-26-000080-index.htm"}},{"accession":"0001185185-26-002273","ticker":"DGAC","company_name":"DISCIPLINED GROWTH ACQUISITION Corp","filed_at":"2026-06-01T20:15:34+00:00","headline":"Disciplined Growth Acquisition Corp. closes $150M IPO on NYSE","event_type":"other_material","sec_items":["1.01","3.02","5.02","5.03","8.01","9.01"],"materiality_score":0.75,"calibrated_materiality_score":0.75,"match_reasons":["same fact type: executive_change","same SEC item: 5.02, 9.01","same event type: other_material"],"urls":{"canonical":"https://secwatch.observer/filing/0001185185-26-002273","json":"https://secwatch.observer/filing/0001185185-26-002273.json","markdown":"https://secwatch.observer/filing/0001185185-26-002273.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/2111038/000118518526002273/0001185185-26-002273-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/2111038/000118518526002273/dgac8k052926.htm"},"side_by_side_evidence":{"fact_type":"executive_change","source_excerpt":"Mr. Steven M. Yi did not stand for re-election in 2026 as a director of White Mountains Insurance Group, Ltd. (the “Company”) and completed his tenure as a member of the Board of Directors of the Company on May 21, 2026 at the conclusion of his term.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/776867/000162828026037284/0001628280-26-037284-index.htm","comparable_excerpt":"John W. Heilshorn, Aaron Spool, Michael Faber, John Ziegelman and Jay Gettenberg (collectively, the “Directors”) were appointed to the board of directors of the Company (the “Board”).","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/2111038/000118518526002273/0001185185-26-002273-index.htm"}},{"accession":"0001493152-26-026544","ticker":"LIXT","company_name":"LIXTE BIOTECHNOLOGY HOLDINGS, INC.","filed_at":"2026-06-01T12:55:34+00:00","headline":"Lixte Biotechnology pivots to AI energy infrastructure; appoints Denham Capital founder to board","event_type":"other_material","sec_items":["5.02","7.01","9.01"],"materiality_score":0.85,"calibrated_materiality_score":0.85,"match_reasons":["same fact type: executive_change","same SEC item: 5.02, 9.01","same event type: other_material"],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-26-026544","json":"https://secwatch.observer/filing/0001493152-26-026544.json","markdown":"https://secwatch.observer/filing/0001493152-26-026544.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1335105/000149315226026544/0001493152-26-026544-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1335105/000149315226026544/form8-k.htm"},"side_by_side_evidence":{"fact_type":"executive_change","source_excerpt":"Mr. Steven M. Yi did not stand for re-election in 2026 as a director of White Mountains Insurance Group, Ltd. (the “Company”) and completed his tenure as a member of the Board of Directors of the Company on May 21, 2026 at the conclusion of his term.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/776867/000162828026037284/0001628280-26-037284-index.htm","comparable_excerpt":"On May 29, 2026, the Board of Directors (the “Board”) of Lixte Biotechnology Holdings, Inc., (the “Company”), appointed Stuart D. Porter to serve as a member of the Board, effective May 29, 2026 with a term expiring at the Company’s 2026 Annual Meeting of Stockholders.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/1335105/000149315226026544/0001493152-26-026544-index.htm"}},{"accession":"0001193125-26-249692","ticker":"ELOX","company_name":"Eloxx Pharmaceuticals, Inc.","filed_at":"2026-06-01T11:00:19+00:00","headline":"Eloxx Pharma: 1-for-11 reverse stock split effective May 29; appoints two independent directors","event_type":"other_material","sec_items":["3.02","3.03","5.03","5.02","9.01"],"materiality_score":0.75,"calibrated_materiality_score":0.75,"match_reasons":["same fact type: executive_change","same SEC item: 5.02, 9.01","same event type: other_material"],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-249692","json":"https://secwatch.observer/filing/0001193125-26-249692.json","markdown":"https://secwatch.observer/filing/0001193125-26-249692.md","edgar_index":"https://www.sec.gov/Archives/edgar/data/1035354/000119312526249692/0001193125-26-249692-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1035354/000119312526249692/d261568d8k.htm"},"side_by_side_evidence":{"fact_type":"executive_change","source_excerpt":"Mr. Steven M. Yi did not stand for re-election in 2026 as a director of White Mountains Insurance Group, Ltd. (the “Company”) and completed his tenure as a member of the Board of Directors of the Company on May 21, 2026 at the conclusion of his term.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/776867/000162828026037284/0001628280-26-037284-index.htm","comparable_excerpt":"the Board of Directors (the “Board”) of Eloxx Pharmaceuticals, Inc. (the “Company”) appointed Stephen W. 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Yi did not stand for re-election in 2026 as a director of White Mountains Insurance Group, Ltd. (the “Company”) and completed his tenure as a member of the Board of Directors of the Company on May 21, 2026 at the conclusion of his term.","source_evidence_url":"https://www.sec.gov/Archives/edgar/data/776867/000162828026037284/0001628280-26-037284-index.htm","comparable_excerpt":"Effective May 19, 2026, in connection with the effectiveness of the Company’s Registration Statement, Becky Fallon, Sean Michael Deegan, and Robert Labbe became members of the board of directors (the “Board”) of the Company.","comparable_evidence_url":"https://www.sec.gov/Archives/edgar/data/2121703/000182912626005831/0001829126-26-005831-index.htm"}}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}