这些指南解释公开信息如何运作，以及如何更负责任地解读。内容用于教育与研究支持，不构成个性化投资建议。
新手？从这里开始 → — A concrete 10–15 minute learning path: what to read in order, what each guide teaches, and a first-week checklist. (观看介绍视频)
也可以收听 Market Brief: Market Brief（Spotify）
财经标题常把复杂申报压成一句看多或看空。我们的指南刻意放慢节奏：定义术语、列出常见错误、示范可重复的阅读顺序。它们不能取代你的判断、税务建议或专业顾问。
指南会定期审阅定义与表述是否清楚。数据处理与编辑标准见研究方法页。
A concrete 10–15 minute learning path: what to read in order, what each guide teaches, and a first-week checklist.
Framework plus a worked fictional scoring example: fixed horizon, benchmark, hit rate, and failure modes.
Deep Form 4 code literacy: P/S/A/M/F plus G, C, D, X, V; role context; tax withholdings; footnotes; checklists.
Why 13F dates confuse retail researchers and how to use lagged snapshots without inventing trade signals.
Beneficial ownership reports compared: intent, speed, and what they do not tell you about 13F managers.
How pre-arranged trading plans change Form 4 interpretation—and where plan labels still leave gaps.
When multiple insiders buy close together, what strengthens the story—and what usually is coincidence.
A fair checklist for side-by-side manager research that keeps failed names and closed books in view.
What to extract from an earnings-related 8-K before you trust a headline or a social summary.
How to read beneficial ownership tables in DEF 14A without mistaking them for trading signals.
Market value moves with price; share counts reveal accumulation or trimming more honestly.
A reusable template to turn media claims into testable sentences before you score them.
Where historical filters diverge from live scoring—and how to avoid fooling yourself.
Timezone, ADR, and FX caveats when U.S. EDGAR research meets Asia-based workflows.
A checklist for screenshots and viral posts that recycle old 13F or Form 4 lines as fresh tips.
How to read plan refs, indirect ownership, multi-trade footnotes, and Form 4/A amendments without turning them into tips.
What /A means, why filings arrive late, how to compare versions, and what not to infer from delay.
A repeatable EDGAR search checklist for Form 4, 13F, and 8-K without getting lost in company search noise.
When initial Form 3 and annual/late Form 5 appear, what to extract, and how they fit Section 16 research.
Write the claim, list what would disprove it (flat 13F shares, 10b5-1 sales, conflicting Form 4 roles, forecast mismatch), then run a short checklist.
How to define new vs add without marketing language, share-count vs corporate-action illusions, and multi-quarter context for institutional holdings.
For Asia-based readers: stop mixing ADR tickers, ordinary share counts, and FX when interpreting US institutional and insider filings.
Evaluate any public forecast track record with fixed horizon, benchmark, sample, and failure modes—education, not a sales pitch.
Filing literacy: who files Form 144, what it is and is not, how to read it without treating it as a trade signal, checklist and common mistakes.
Educational workflow for tracking filings, organizing notes, avoiding alert overload, and linking observations to methodology—not trade tips.
Educational how-to: compare 13F holdings changes with price windows and liquidity context—worksheet, checklist, pitfalls—not trade signals.
Filing literacy for officer/director appointments and departures on Item 5.02: what to capture, what not to invent, checklist and mistakes.
逐栏素养：发行人／类别／CUSIP、市值与股数、SH/PRN、put/call、投资裁量，以及 Sole/Shared/None 表决权——非交易贴士。
Educational walkthrough of Form 3/4/5 transaction lines: codes, open-market filters, footnotes, and how to verify each row on EDGAR—with soft notes on Free teasers vs Pro longer lists + CSV.
How to pair Form 8-K item codes with XBRL fundamentals snapshots in an education-first notebook: clocks, coverage honesty, checklists—and soft Free vs Pro history notes.
Education-first walkthrough of Form D exempt offerings: industry group, federal exemption items such as 506(b)/506(c), amounts sold vs offering size, issuer entity/state, and Verify on EDGAR—with soft Free teaser vs Pro longer list + CSV notes.
教育比较：Form D 豁免发行通知与 Form 144／Rule 144 关系人／受限股份出售路径——各自能证明什么、时钟，以及如何在研究笔记中分开车道。
公司查询（代码↔CIK）、补零 CIK，以及 EDGAR 提交核对链接如何放入以教育为先的研究笔记——并陈 Form 4、8-K、基本面与 Form D，而非贴士文化。
国债曲线利差教育素养——10Y−2Y、10Y−3M、10Y−FF、可选 30Y−5Y——加上曲线形状、衰退讯号提醒、水位对变化，以及研究检查清单。柔和说明 Free 短预览对 Pro 更长历史与 CSV。
教育优先解读 XBRL 科目与营收、EPS、利润率的同比增长：财年对历年陷阱、涵盖缺口、同比对环比、搭配 8-K／10-Q／10-K 时钟，以及柔和 Free 对 Pro 历史说明。
按主题学习: Form 4／内部人素养 · Form 8-K 与基本面 · Form D／豁免发行 · 13F／机构快照