Python library for accessing, analyzing, and extracting data from SEC EDGAR filings. Use when working with SEC filings, financial statements (income statement, balance sheet, cash flow), XBRL financial data, insider trading (Form 4), institutional holdings (13F), company financials, annual/quarterly reports (10-K, 10-Q), proxy statements (DEF 14A), 8-K current events, company screening by ticker/CIK/industry, multi-period financial analysis, or any SEC regulatory filings.

用于访问、分析和提取SEC EDGAR申报文件数据的Python库。适用于处理SEC申报文件、财务报表（利润表、资产负债表、现金流量表）、XBRL财务数据、内幕交易（4号表格）、机构持股（13F表格）、公司财务信息、年度/季度报告（10-K、10-Q）、委托书（DEF 14A）、8-K重大事件、按股票代码/CIK/行业筛选公司、多期财务分析或任何SEC监管申报文件。