{"slug":"how-to-read-a-10-k","qid":"filing_season","label":"When annual filings land: 10-K filings by calendar month, three years","post_title":"How to Read a 10-K Annual Report Filing","post_url":"/blog/how-to-read-a-10-k#q-filing_season","columns":["month","month_name","filing_count","share_of_filings_pct"],"rows":[{"month":1,"month_name":"January","filing_count":286,"share_of_filings_pct":1.6},{"month":2,"month_name":"February","filing_count":5600,"share_of_filings_pct":31},{"month":3,"month_name":"March","filing_count":7854,"share_of_filings_pct":43.4},{"month":4,"month_name":"April","filing_count":1255,"share_of_filings_pct":6.9},{"month":5,"month_name":"May","filing_count":463,"share_of_filings_pct":2.6},{"month":6,"month_name":"June","filing_count":414,"share_of_filings_pct":2.3},{"month":7,"month_name":"July","filing_count":298,"share_of_filings_pct":1.6},{"month":8,"month_name":"August","filing_count":361,"share_of_filings_pct":2},{"month":9,"month_name":"September","filing_count":464,"share_of_filings_pct":2.6},{"month":10,"month_name":"October","filing_count":280,"share_of_filings_pct":1.5},{"month":11,"month_name":"November","filing_count":442,"share_of_filings_pct":2.4},{"month":12,"month_name":"December","filing_count":375,"share_of_filings_pct":2.1}],"shape":"series","sql":"WITH annual_filings AS (\n    SELECT\n        toMonth(filing_date)  AS filing_month,\n        arrayElement(\n            ['January', 'February', 'March', 'April', 'May', 'June',\n             'July', 'August', 'September', 'October', 'November', 'December'],\n            toUInt8(toMonth(filing_date))\n        )                     AS month_name,\n        accession_number      AS accession_number\n    FROM global_markets.stocks_sec_edgar_index\n    WHERE form_type = '10-K'\n      AND filing_date >= '2023-10-01'\n      AND filing_date <  '2026-10-01'\n)\nSELECT\n    filing_month                 AS month,\n    any(month_name)              AS month_name,\n    uniqExact(accession_number)  AS filing_count,\n    round(100.0 * uniqExact(accession_number) / (SELECT uniqExact(accession_number) FROM annual_filings), 1) AS share_of_filings_pct\nFROM annual_filings\nGROUP BY filing_month\nORDER BY filing_month","computed_at":"2026-10-09T15:44:28.942126+00:00","elapsed":0.002717863}