When insiders speak, we transcribe.
Long-form, data-driven studies on 1.6M+ filings across 37 markets. Comparative regulation, walk-forward backtests, profiles, market mechanics.
Medtronic's $4.75m CEO sale lands as peers rerate
Medtronic's CEO and a MedSurg president sold $5.7m under 10b5-1 plans as the device group trades against a mixed healthcare backdrop.
Ferguson’s 8-insider selling cluster after a 1.25% rise
Ferguson disclosed 8 insider sellers on October 16 as housing stays weak and the stock trades near $231.61. Here is the read against peers.
Riskified's 65,000-share sale tests the rally
Riskified's field-ops chief sold 65,000 shares as the stock rallied. We set that against fraud-spending demand, peer positioning, and the cluster.
Bill Hocking sells EUR 2.0m as Galliford Try rallies
Galliford Try chief executive Bill Hocking sold EUR 2.0m after a 30% year-to-date rise, while UK construction stays weak and peers stay cautious.
SI-BONE CEO sells EUR 679k as spine stocks wobble
SI-BONE CEO Laura Francis sold EUR 679k under a 10b5-1 plan as spine names traded through a weak macro tape and analysts stayed constructive.
Nazara’s 4-insider buy, Rs 731 crore issue, and the stock
Nazara paired a Rs 731 crore preferential issue with 4 insider allotments. Here is how the gaming pivot, UK deal, and valuation fit together.
He Ningning buys EUR 1.77m of Q Technology stock
Q Technology drew two October buys from Chairman He Ningning as handset margins stayed tight and automotive cameras kept growing.
Gerard Perrier: 2 buys, 1 low, and a 6.2 score
Gerard Perrier’s insider cluster lands near a 52-week low as H1 growth holds up and peers trade richer. Here is the business read.
Harworth CFO Kitty Patmore sells EUR 256,744 into 187p bid
Harworth’s CFO sold into Peel’s 187p cash offer as UK property shares stayed weak and the takeover price pinned the stock near fair value.
Informa’s 11-insider buy cluster and the Clarion pivot
Informa directors bought at 860p as the group funds Clarion and leans into B2B events. The cluster matters, but the backdrop matters more.
Scientex’s two director buys and the Pulai test
Two directors bought about EUR 885,890 each in Scientex as packaging margins improve and Johor land adds a new test for the story.
AstraZeneca, oncology momentum and a quiet insider bid
AstraZeneca has oncology and FDA catalysts in motion, while CEO and chair buying earlier this month gives the stock a quieter tell.
All research and guides
- Micro-cap biotech insider buying: the trap we tested, and why we exclude it
- How to Read an Insider Transaction: a Field-by-Field Guide
- Insider disclosure rules by country: a filing deadline and threshold comparison
- SEC Form 4 explained: how US insider filings work
- SEDI filing rules: who reports what in Canada, and when
- MAR Article 19 in practice: deadlines, thresholds and closed periods
- FCA PDMR notifications explained: UK insider filing rules
- AMF insider declarations explained: how French dirigeant filings work
- BaFin directors' dealings explained: how German insider filings work
- EDINET explained: how Japan's large shareholding and insider filings work
- DART insider filings explained: how Korean ownership disclosure works
- ASX director interest notices explained: Appendix 3Y rules and deadlines
- SEBI insider-trading disclosures explained: PIT and SAST filings in India
- XNAS Inversion: Why US CEOs Trick Insider Trading Models
- Top 5 Insider Patterns from Mining 116,000 Scored Trades
- Family and Holding Edge: What 595,000 Filings Teach Us
- Why We Abandoned V13.5 for V14e EU_strict: A Robustness Case Study
- Women insiders: what the 2023-2024 filings actually show
- How Crypto Regulation Influences Insider Trading Patterns
- How Family-Controlled Luxury Groups Influence Insider Filings
- Energy CEOs Buying and Selling: Insider Trades 2022-2026
- Understanding Insider Trading Signals During Bank Crises
- Understanding Insider Trading Patterns in the AI Boom (2023-2026)
- Insider Buying Before FDA Approval: What the Data Shows
- Building a Trustworthy Filing Pipeline for Insider Transactions
- Understanding Pricing Tiers for Insider Transactions Tools
- Building Effective Webhook Alerts for Insider Filings
- Transform Insider Filings into Usable Excel Dashboards
- Building an Insider Filings Model with Python and REST API
- Designing Effective MCP Servers for Insider Data Queries
- Building a Beta-Neutral Insider Portfolio: Key Strategies
- Understanding Tax-Loss Selling Patterns Among Insiders
- Optimizing Insider Trading Backtests: A Practical Guide
- Understanding Multiple-Testing Inflation in Quant Research
- Why Insider Trade Size Can Mislead Scoring Models
- Do Insider Trades Influence Sector ETF Rebalances?
- Understanding the Impact of Insider Disclosures on Stock Prices
- Understanding Currency Normalization in Insider Transactions
- Understanding Swiss Anonymized Insider Disclosures and Signals
- TSX Venture Insider Buying: Small-Cap Miners with an Edge
- Seven Self-Dealing Patterns Regulators Monitor Closely
- Understanding Family Office Filings in France's AMF System
- Understanding the Significance of 5 Percent Shareholder Filings
- Tracking Women in C-Suite: Insider Filings from 2015 to 2026
- Jeff Bezos Selling Pattern: How His 10b5-1 Plans Work
- Understanding Berkshire Hathaway's Sparse Form 4 Filings
- Identifying France's Top Insider: A Decade of Disclosures
- Understanding the Top 50 Insiders by 3-Year Batting Average
- Understanding Survivorship Bias in Insider Trading Studies
- Small-Cap Insider Buying: Why the Edge Beats Blue Chips
- Understanding the 30/35/25/10 Weighting of Composite Scores
- Analyzing Sector Leadership Through Insider Buying Trends
- Understanding Sharpe and Deflated Sharpe Ratios in Backtests
- Understanding Insider Trading Before Earnings Announcements
- Why Insider Holding Periods Matter for Investors
- Do CFO Stock Purchases Outperform CEO Purchases?
- Insider Cluster Trades: Cohen, Malloy, Pomorski Retested
- Do Women Insiders Outperform Men? A Data-Driven Analysis
- Understanding the Importance of Footnotes in Insider Trading Reports
- Understanding the Impact of France's BDIF on Insider Disclosures
- Understanding Insider Transaction Disclosure Across Regulators
- Understanding Italy's Insider Declarations Data Challenges
- Comparing Insider Dealing Disclosure Across 17 Markets
- Understanding the Impact of Filing Clocks on Insider Trading
- Understanding Article 19 of the EU Market Abuse Regulation
- Understanding Swiss Insider Filings: Public Yet Opaque
- SEDI vs SEC: How Insider Trading Reporting Works in Canada
- UK PDMR Law After Brexit: Enforcement and Compliance Changes