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InsiderTradesSIGMA

Multi-market insider intelligence. Official public filings, re-aggregated and scored. Private beta.

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Built in Paris. Public sources across 43 markets: AMF France, SEC EDGAR Form 4 US, BaFin Germany, SIX SER Switzerland, RNS United Kingdom, SEDI Canada, Consob Italy, CNMV Spain, AFM Netherlands, FSMA Belgium, Oslo Bors Norway, Nasdaq Helsinki, Nasdaq Copenhagen, ASX Australia, FMA Austria, CVM Brazil, HKEX Hong Kong, BSE-Sofia Bulgaria, Tadawul Saudi Arabia, DART South Korea, EDINET Japan, SSE and SZSE China, SEBI India, KNF Poland, PSE Philippines, NZX New Zealand, JSE South Africa, among others. Prices + fundamentals via Yahoo Finance, STOXX 600 sector ETFs (iShares Xetra). Stack: Next.js 16, Prisma, Vercel. Live out-of-sample tracker since 2026-05-16. Methodology audits: /methodologie and /docs/method-review/.

Sources: official public filings under MAR Art.19 (EU and EEA), SEC Section 16 / Form 4 (US), Art.56 SESTA (CH, SIX SER), NI 55-104 / SEDI (CA), Corporations Act s205G (AU) and equivalent regimes. Signals on this site are for educational use only and do not constitute investment advice within the meaning of MiFID II / SEC Reg-IA. Past performance does not guarantee future results. Swiss SIX SER filings are anonymised by law (role only, no name).

© 2026 Insiders TradesΣ·Private beta·Hosted on Vercel

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Sigma Journal · 294 studies

When insiders speak, we transcribe.

Long-form, data-driven studies on 1.3M+ filings across 43 markets. Comparative regulation, walk-forward backtests, profiles, market mechanics.

All Regulation & Transparency Quant & Backtests Insider Profiles Market Mechanics Engineering Industry Analysis Newsletter

Building Effective Webhook Alerts for Insider Filings

Explore how to create efficient webhook alerts for insider filings, focusing on setup, payload schema, and latency to enhance portfolio management.

May 17, 202614 min

Transform Insider Filings into Usable Excel Dashboards

Learn how to convert insider transactions CSV data into effective Excel dashboards using pivot tables and formulas in just five minutes.

1 2 3 4 5 6 7 8 9 10 11

May 17, 2026

12 min

Building an Insider Filings Model with Python and REST API

Learn how to create a basic insider filings model using Python, focusing on API authentication, data retrieval, normalization, and alpha score computation.

May 17, 202614 min

Designing Effective MCP Servers for Insider Data Queries

Explore how to structure MCP servers for querying insider data, focusing on schema design, tool discovery, and handling ambiguous requests.

May 17, 202615 min

Market Mechanics

Building a Beta-Neutral Insider Portfolio: Key Strategies

Learn how to construct a beta-neutral insider portfolio to reduce drawdowns and improve stock selection without broad market exposure.

May 17, 202614 min

Market Mechanics

Understanding Tax-Loss Selling Patterns Among Insiders

Explore how tax-loss selling varies by jurisdiction, affecting insider trading patterns in the US, UK, France, and Germany. Discover the local nuances.

May 17, 202614 min

Market Mechanics

Optimizing Insider Trading Backtests: A Practical Guide

Learn how to optimize insider trading backtests using a strict walk-forward protocol to avoid hindsight bias and ensure reliable performance evaluation.

May 17, 202612 min

Market Mechanics

Understanding Multiple-Testing Inflation in Quant Research

This article explores the implications of multiple-testing inflation in quant research, particularly in insider trading signal development, and how to report findings accurately.

May 17, 202612 min

Market Mechanics

Why Insider Trade Size Can Mislead Scoring Models

Large insider trades can distort scoring models, often driven by factors unrelated to fresh information. A cap on trades helps maintain accuracy.

May 17, 202614 min

Market Mechanics

Do Insider Trades Influence Sector ETF Rebalances?

Explore the relationship between insider trading and sector ETF rebalances, particularly in technology and energy sectors. Understand the nuances and implications.

May 17, 202614 min

Market Mechanics

Understanding the Impact of Insider Disclosures on Stock Prices

Insider transaction disclosures can significantly influence stock prices. This article analyzes the abnormal returns from publication day to 30 days post-filing.

May 17, 202613 min

Market Mechanics

Understanding Currency Normalization in Insider Transactions

Currency normalization is essential for accurate comparisons in insider transactions. This article explains why using EUR as a base currency is crucial.

May 17, 202613 min