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InsiderTradesSIGMA

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

ALTAREA’s EUR 34.6m filing lands after the ECB hike

ALTAREA’s July 10 filing came after the ECB’s June hike, with French property still fragile, peers mixed, and a family-linked vehicle buying.

Jul 12, 202610 min

Market Mechanics

ABC Arbitrage: July 10 board sale meets ECB tightening

ABC Arbitrage’s board sale lands as ECB tightening, Flow Traders’ update and Virtu’s momentum frame the market-neutral arb backdrop.

Jul 12, 20269 min

Market Mechanics

1 2 3 4 5 6 7 8 9 10

Antoine Flamarion buys again as Tikehau tests €17.44

Tikehau Capital’s co-founder bought again on July 10 as the stock held €17.44. Here is the bull case, the catch, and the cohort read.

Jul 12, 202610 min

Market Mechanics

Norie Campbell buys EUR 1,313 of TRI on July 10

Thomson Reuters sits in an AI-fuelled data-services backdrop as Norie Campbell buys on July 10, with peers and August 5 earnings in view.

Jul 12, 202610 min

Market Mechanics

BlackBerry’s July 10 buy cluster and the QNX trade

BlackBerry’s July 10 insider buys came after a sharp Q1 rally and into a crowded automotive cybersecurity trade. Here is the honest read.

Jul 12, 202610 min

Market Mechanics

Séché Environnement: Maxime Séché buys €34,805 as waste stocks

Séché Environnement’s CEO bought €34,805 of stock into a firmer waste-services backdrop, with a buy cluster and a tight July tape.

Jul 12, 20269 min

Market Mechanics

John Michael Hooks buys C$503,846 of CES Energy

CES Energy Solutions has a director buy cluster, but the stock is already up 31% this year. Here is what the filing adds, and what it does not.

Jul 12, 202610 min

Market Mechanics

Black Diamond’s July 11 buys total EUR 8.9m

Black Diamond Group drew a July 11 insider-buying cluster. Here is how the filings stack up against a strong run, peers, and the risks.

Jul 12, 20269 min

Market Mechanics

Thomson Reuters: Norie Campbell buys EUR 1,313 on July 10

Thomson Reuters got a July 10 buy from Chief Legal Officer Norie Campbell, while AI demand, Q2 timing and peer pressure frame the stock.

Jul 11, 202610 min

Market Mechanics

GSK at 1,960p, with AZN wobbling and July 28 ahead

GSK trades near 1,960p as oncology news, a board addition and a July 28 update frame the stock against AstraZeneca and the latest insider record.

Jul 11, 20268 min

Market Mechanics

Unilever at 4,599p, and the buyback is done

Unilever sits near 4,599p after a quiet stretch, with the buyback finished, Cannes wins piling up, and only routine insider buying on file.

Jul 11, 202610 min

Market Mechanics

ALTAREA’s EUR 34.6m filing lands before July 29 results

ALTAREA’s July 10 filing, worth EUR 34.6m euro-normalised, arrives as French property stabilises and peers Icade and Klépierre trade differently.

Jul 11, 202611 min