Research Guides

These guides explain how public disclosures work and how to interpret them responsibly. They are written for education and research support, not as personal investment advice.

New? Start here → — A concrete 10–15 minute learning path: what to read in order, what each guide teaches, and a first-week checklist. (Watch intro video)

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Why we publish these guides

Financial headlines often compress complex filings into a single bullish or bearish story. Our guides slow that process down: they define terms, list common mistakes, and show a repeatable reading order. They are not substitutes for your own judgment, tax advice, or professional counsel.

Topics in this library

All guides are reviewed periodically for clarity and accuracy of definitions. See our methodology page for data handling and editorial standards.

New? Start here

A concrete 10–15 minute learning path: what to read in order, what each guide teaches, and a first-week checklist.

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Sample research walkthrough

A fictional issuer worked example: 13F snapshot, Form 4 line, and a forecast claim—without a buy/sell conclusion.

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Forecast scoring & backtests

How InsightMeter defines horizons, hit rates, benchmarks, and what Pro backtests do and do not prove.

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SEC filing calendar

When 10-K, 10-Q, 8-K, 13F, and Form 4 typically appear—and what each filing is not.

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How to Read 13F Filings (Without Overfitting a Story)

What quarterly institutional disclosures show, what they omit, and how to avoid common misreads.

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Insider Transactions: Context Beats Headlines

How to separate routine activity from potentially informative trades, and why timing and role matter.

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Evaluating Forecast Track Records Fairly

Framework plus a worked fictional scoring example: fixed horizon, benchmark, hit rate, and failure modes.

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Combine 13F, Insider, and Forecast Signals

A practical workflow: start with a question, map institutional exposure, add insider context, score forecasts with fixed rules, and document what would change your view.

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Form 4 Insider Codes Explained

Deep Form 4 code literacy: P/S/A/M/F plus G, C, D, X, V; role context; tax withholdings; footnotes; checklists.

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13F lag: quarter-end ≠ trade timing

Why 13F dates confuse retail researchers and how to use lagged snapshots without inventing trade signals.

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Schedule 13D vs 13G

Beneficial ownership reports compared: intent, speed, and what they do not tell you about 13F managers.

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10b5-1 plans: what they do and don’t tell you

How pre-arranged trading plans change Form 4 interpretation—and where plan labels still leave gaps.

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Cluster Form 4 buys: signal vs noise

When multiple insiders buy close together, what strengthens the story—and what usually is coincidence.

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Comparing two 13F managers without survivorship bias

A fair checklist for side-by-side manager research that keeps failed names and closed books in view.

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Earnings 8-K checklist for retail researchers

What to extract from an earnings-related 8-K before you trust a headline or a social summary.

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Proxy ownership section in plain English

How to read beneficial ownership tables in DEF 14A without mistaking them for trading signals.

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Why share-count changes beat dollar headlines

Market value moves with price; share counts reveal accumulation or trimming more honestly.

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Building a personal forecast journal

A reusable template to turn media claims into testable sentences before you score them.

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Backtest vs live forecast scoring pitfalls

Where historical filters diverge from live scoring—and how to avoid fooling yourself.

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HK/Asia investors reading U.S. filings

Timezone, ADR, and FX caveats when U.S. EDGAR research meets Asia-based workflows.

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Spotting recycled “smart money” social threads

A checklist for screenshots and viral posts that recycle old 13F or Form 4 lines as fresh tips.

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Form 4 footnotes without a lawyer

How to read plan refs, indirect ownership, multi-trade footnotes, and Form 4/A amendments without turning them into tips.

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13F amendments and late filings

What /A means, why filings arrive late, how to compare versions, and what not to infer from delay.

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Find Form 4, 13F, and 8-K on EDGAR

A repeatable EDGAR search checklist for Form 4, 13F, and 8-K without getting lost in company search noise.

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Form 3 and Form 5: bookends around Form 4

When initial Form 3 and annual/late Form 5 appear, what to extract, and how they fit Section 16 research.

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Falsify a “smart money” thesis in 20 minutes

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.

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13F “new position” vs “add”: definitions that don’t lie

How to define new vs add without marketing language, share-count vs corporate-action illusions, and multi-quarter context for institutional holdings.

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ADR vs ordinary shares in 13F / Form 4

For Asia-based readers: stop mixing ADR tickers, ordinary share counts, and FX when interpreting US institutional and insider filings.

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Read a forecast scorecard without overclaiming

Evaluate any public forecast track record with fixed horizon, benchmark, sample, and failure modes—education, not a sales pitch.

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Form 144 affiliate / restricted-stock sale notices

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.

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Filing watchlist + research binder workflow

Educational workflow for tracking filings, organizing notes, avoiding alert overload, and linking observations to methodology—not trade tips.

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Cross-checking 13F top holdings vs price & liquidity

Educational how-to: compare 13F holdings changes with price windows and liquidity context—worksheet, checklist, pitfalls—not trade signals.

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Form 8-K Item 5.02 leadership changes

Filing literacy for officer/director appointments and departures on Item 5.02: what to capture, what not to invent, checklist and mistakes.

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Form 4 vs Form 144 vs Rule 10b5-1: which disclosure to weight when

Comparative filing literacy: what each disclosure proves vs does not, timing differences, common retail misreads, and a simple decision framework—not trade tips.

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After 13F season: a retail research checklist

Practical post-13F workflow: what to verify first, how to cross-check Form 4 / 8-K / price-liquidity context, what is not a trade signal, and journaling/falsification steps.

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How to read a Form 13F information table

Column-by-column literacy for 13F information tables: issuer/class/CUSIP, value vs shares, SH/PRN, put/call, investment discretion, and Sole/Shared/None voting—without tip-sheet language.

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Form 4 Table I vs Table II: non-derivative and derivative rows

Worked educational examples of how Form 4 transaction codes (P/S/A/D/M/F and friends) appear across Table I and Table II—what each table proves, and what not to invent.

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13F vs N-PORT: institutional vs fund holdings disclosures

Educational comparison of Form 13F manager snapshots and Form N-PORT registered-fund portfolios—what each covers, timing lags, when each source is better, and common misreadings.

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Forecast calibration: does stated confidence mean anything?

Plain-English calibration versus accuracy: reliability diagrams, confidence buckets versus hit rates, sample-size cautions, overconfidence patterns, and scorecard literacy.

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Reading Form 4 line items (and verifying on EDGAR)

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.

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8-K item codes + fundamentals in a research notebook

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.

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How to read Form D offerings & exemptions

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.

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Form D exemptions vs Form 144 / Rule 144

Education-first compare: Form D exempt-offering notices versus Form 144 / Rule 144 affiliate and restricted-sale pathways—what each proves, clocks, and how to keep lanes separate in a research notebook.

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CIK↔ticker lookup + EDGAR verify in a research notebook

How company lookup (ticker↔CIK), padded CIKs, and EDGAR submission verify links fit an education-first research notebook—beside Form 4, 8-K, fundamentals, and Form D tables without tip culture.

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How to read yield-curve spreads (without tip culture)

Educational literacy for Treasury curve spreads—10Y−2Y, 10Y−3M, 10Y−FF, optional 30Y−5Y—plus curve shape, recession-signal caveats, levels vs changes, and research checklists. Soft Free teaser vs Pro longer history + CSV notes.

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Reading XBRL fundamentals YoY growth in a notebook

Education-first walkthrough of XBRL line items and year-over-year growth for revenue, EPS, and margins: fiscal vs calendar pitfalls, coverage gaps, YoY vs sequential, pairing with 8-K/10-Q/10-K clocks, and soft Free vs Pro history notes.

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Open the research glossary

Methodology & Editorial Policy  ·  FAQ

Learn by topic: Form 4 / insider literacy · Form 8-K & fundamentals · Form D / exempt offerings · 13F / institutional snapshots

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