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Multi-market insider intelligence. Official public filings, re-aggregated and scored. Free account open.

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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 2026-05-27. 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).

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Sigma Journal / Market Mechanics

Market Mechanics

From filing to price impact: microstructure, currency-normalised comparisons, walk-forward design.

721

published studies

Market Mechanics

AbraSilver insider buy lands in a hot silver tape

AbraSilver director Jens Joachim Thorwald Mayer bought about EUR 1.8m on July 2 as silver stays tight and Diablillos keeps de-risking.

Jul 3, 202610 min

Market Mechanics

Cytokinetics CEO sale lands as biotech keeps bid

Robert I. Blum sold 7,500 Cytokinetics shares on July 1. Read the cluster, the tape, and what the biotech backdrop does and does not say.

Jul 3, 20269 min

Market Mechanics

1 2 3 4 5 6 7 8 9 10

Asahi Glass buying cluster meets a firm auto tape

LANS Business LLP bought Asahi India Glass shares on June 29, 2026. Here is how the cluster reads against autos, peers and the tape.

Jul 2, 20269 min

Market Mechanics

Wesdome insider buying cluster lands in a hot gold tape

Four Wesdome insiders bought on July 2 as gold stayed elevated, peers traded richly, and the company kept buying back stock.

Jul 2, 202611 min

Market Mechanics

NPST promoter buying cluster meets a hot tape

Network People saw promoter buying on July 1, 2026. The tape is strong, the stock is rich, and the insider cluster is worth a closer read.

Jul 2, 202610 min

Market Mechanics

Kootenay Resources insider buys meet a hot silver tape

Kootenay Resources saw director buying in late June as silver stayed hot and a fresh placement funded exploration. Here is the read.

Jul 2, 20269 min

Market Mechanics

CMG insider buying cluster lands in a weak tape

Director Anuroop Duggal bought CMG shares on June 30 as a seven-insider cluster formed around a small-cap software name under pressure.

Jul 2, 20269 min

Market Mechanics

Amwell insider selling cluster meets a thin tape

Amwell CAO Paul Francis McNeice sold 653 shares on July 1. We read the cluster, the telehealth backdrop and the cohort data.

Jul 2, 202612 min

Market Mechanics

Stockworks Gold insider buys land in a weak tape

Stockworks Gold drew insider buying as it closed a small financing. The tape is weak, the cluster is real, and the read is still limited.

Jul 2, 202610 min

Market Mechanics

Predilife insider buys keep coming as biotech stays choppy

Predilife CEO Stéphane Ragusa bought again on July 1. Here is how the cluster reads against European biotech, peers and our cohort data.

Jul 2, 202610 min

Market Mechanics

Applied Materials CEO sale lands as chip gear cools

Gary Dickerson sold 78,321 Applied Materials shares for about EUR 55.5 million as chip equipment stocks pulled back from a sharp AI-led run.

Jul 2, 20269 min

Market Mechanics

Vertex Resource Group insider buys land in a weak tape

Terry Allan Stephenson bought 9.68 million Vertex shares on June 30. Here is what the cluster says, and where the read breaks down.

Jul 2, 202610 min