longbridge-sec-filings Prompt-only analysis skill. Retrieves SEC filings via Longbridge and extracts investment-relevant signals: financial KPIs (10-K/10-Q), material events (8-K), governance/compensation (Proxy), and insider behaviour (Form 4). Response language : match the user's input language — Simplified Chinese / Traditional Chinese / English. When to use - "帮我看下 AAPL 最新的 10-K" / "What are AAPL's key risks from the latest 10-K?" - "TSLA 昨天发了个 8-K，说了什么？" / "What did TSLA's 8-K say?" - "高管最近有没有申报卖股票 (Form 4)？" / "Any insider Form 4 sales recently?" - "10-Q 的 MD&A 里有什么异常？" / "Any unusual i…