{"filing":{"accession_number":"0001396440-26-000102","cik":"0001396440","ticker":"MAIN","company_name":"Main Street Capital CORP","form":"8-K","filing_date":"2026-08-11","report_date":"2026-08-11","primary_document":"main-20260811.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1396440/000139644026000102/main-20260811.htm"},"events":[{"id":26952,"run_id":24516,"accession_number":"0001396440-26-000102","anchor_item_number":"1.01","event_type":"dilutive_issuance","event_domain":"financial","is_material":true,"confidence":0.85,"summary":"Main Street Capital entered into new equity distribution agreements with Academy Securities and SMBC Nikko Securities to add them as sales agents under its existing \"at the market\" (ATM) equity offering program, authorizing the issuance of up to 20,000,000 shares of common stock. While the filing emphasizes that Main Street \"may, but has no obligation to\" issue shares, the establishment of an ATM offering program with multiple sales agents represents a material dilutive issuance arrangement that would affect investor assessment of potential share dilution and capital-raising capacity.","company_name":"Main Street Capital CORP","ticker":"MAIN","filing_date":"2026-08-11","form":"8-K","submitted_at":null,"items":[{"id":28261,"accession_number":"0001396440-26-000102","item_number":"1.01","item_title":null,"event_type":"dilutive_issuance","event_domain":"financial","is_material":true,"confidence":0.85,"reasoning":"Main Street Capital entered into new equity distribution agreements with Academy Securities and SMBC Nikko Securities to add them as sales agents under its existing \"at the market\" (ATM) equity offering program, authorizing the issuance of up to 20,000,000 shares of common stock. While the filing emphasizes that Main Street \"may, but has no obligation to\" issue shares, the establishment of an ATM offering program with multiple sales agents represents a material dilutive issuance arrangement that would affect investor assessment of potential share dilution and capital-raising capacity.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-12T10:03:47.775778+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":28261,"accession_number":"0001396440-26-000102","item_number":"1.01","item_title":null,"event_type":"dilutive_issuance","event_domain":"financial","is_material":true,"confidence":0.85,"reasoning":"Main Street Capital entered into new equity distribution agreements with Academy Securities and SMBC Nikko Securities to add them as sales agents under its existing \"at the market\" (ATM) equity offering program, authorizing the issuance of up to 20,000,000 shares of common stock. While the filing emphasizes that Main Street \"may, but has no obligation to\" issue shares, the establishment of an ATM offering program with multiple sales agents represents a material dilutive issuance arrangement that would affect investor assessment of potential share dilution and capital-raising capacity.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-12T10:03:47.775778+00:00","company_name":"Main Street Capital CORP","ticker":"MAIN","filing_date":"2026-08-11"}]}