{"filing":{"accession_number":"0001331463-26-000099","cik":"0001331463","ticker":null,"company_name":"Federal Home Loan Bank of Boston","form":"8-K","filing_date":"2026-05-21","report_date":null,"primary_document":"fhlbbost-20260518.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1331463/000133146326000099/fhlbbost-20260518.htm"},"events":[{"id":9479,"run_id":8312,"accession_number":"0001331463-26-000099","anchor_item_number":"2.03","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.75,"summary":"This Item 2.03 disclosure reports the issuance of consolidated obligations (bonds and discount notes) totaling approximately $293 million across seven separate debt securities issued in May 2026. While Item 2.03 typically signals covenant_breach or direct financial obligations arising from adverse events, this filing discloses routine debt issuances by a Federal Home Loan Bank to fund operations—a standard capital markets activity. The disclosure is material to investors as it reflects the Bank's funding activities and debt structure, but does not fit the specific event types (covenant_breach, ma_activity, or dilutive_issuance) as cleanly as other_material, since these are consolidated obligations jointly backed by all 11 FHLBanks rather than a discrete triggering event or breach.","company_name":"Federal Home Loan Bank of Boston","ticker":null,"filing_date":"2026-05-21","form":"8-K","submitted_at":null,"items":[{"id":1130,"accession_number":"0001331463-26-000099","item_number":"2.03","item_title":"Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.75,"reasoning":"This Item 2.03 disclosure reports the issuance of consolidated obligations (bonds and discount notes) totaling approximately $293 million across seven separate debt securities issued in May 2026. While Item 2.03 typically signals covenant_breach or direct financial obligations arising from adverse events, this filing discloses routine debt issuances by a Federal Home Loan Bank to fund operations—a standard capital markets activity. The disclosure is material to investors as it reflects the Bank's funding activities and debt structure, but does not fit the specific event types (covenant_breach, ma_activity, or dilutive_issuance) as cleanly as other_material, since these are consolidated obligations jointly backed by all 11 FHLBanks rather than a discrete triggering event or breach.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-22T02:58:52.441424+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":1130,"accession_number":"0001331463-26-000099","item_number":"2.03","item_title":"Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.75,"reasoning":"This Item 2.03 disclosure reports the issuance of consolidated obligations (bonds and discount notes) totaling approximately $293 million across seven separate debt securities issued in May 2026. While Item 2.03 typically signals covenant_breach or direct financial obligations arising from adverse events, this filing discloses routine debt issuances by a Federal Home Loan Bank to fund operations—a standard capital markets activity. The disclosure is material to investors as it reflects the Bank's funding activities and debt structure, but does not fit the specific event types (covenant_breach, ma_activity, or dilutive_issuance) as cleanly as other_material, since these are consolidated obligations jointly backed by all 11 FHLBanks rather than a discrete triggering event or breach.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-22T02:58:52.441424+00:00","company_name":"Federal Home Loan Bank of Boston","ticker":null,"filing_date":"2026-05-21"}]}