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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

Sanofi’s August 24 buys and the July 30 reset

Two Sanofi executives bought stock on August 24 after a stronger July 30 quarter and a raised 2026 outlook. Here is the context.

Aug 25, 20269 min

Market Mechanics

Guardant Health, Talasaz sells EUR 3.0m as peers rerate

Guardant Health’s CEO sold EUR 3.0m after a strong biotech week. We compare the filing with Natera, valuation, and the cluster around GH.

Aug 25, 20268 min

Market Mechanics

1 2 3 4 5 6 7 8 9 10

Alliance Laundry's $590m sale and BDT's 6-insider cluster

Alliance Laundry's BDT-led $590m sale lands beside a steady laundry market, a mixed insider cluster, and a stock still near the low $20s.

Aug 25, 20269 min

Market Mechanics

Tinexta's 5,920-share buy cluster lands near EUR 15

Tinexta's August 24 buy cluster came as guidance was cut, the stock sat near EUR 15, and Italian markets stayed cautious.

Aug 24, 20269 min

Market Mechanics

Tikehau Capital: Antoine Flamarion buys EUR 36,529

Tikehau Capital’s insider buying cluster comes as private credit and thematic strategies keep the Paris manager’s H1 momentum alive.

Aug 24, 20269 min

Market Mechanics

Sanofi’s 2 August buys: 6 insiders, 1 cluster

Sanofi’s August 24 executive buys land after stronger Q2 guidance and a firmer Paris share price. Here is what the cluster adds, and what it does not.

Aug 24, 20268 min

Market Mechanics

Hexagon board buy after 12% organic growth, August 24

Hexagon’s board buy lands after 12% organic growth, a stronger Q2 and a recent insider cluster. Here is what the filing adds, and what it does not.

Aug 24, 20269 min

Market Mechanics

Alibaba directors buy HKD 12.9m after Q1 miss

Alibaba directors bought after a mixed Q1: cloud grew 45%, capex jumped 75%, and the stock still trades against PDD and JD.

Aug 24, 202611 min

Market Mechanics

Amotiv director buys EUR 12,040 after FY26 selloff

Amotiv director Jennifer Anne Douglas bought EUR 12,040 after FY26 shares fell 14%. Read the cluster, the outlook, and the sector backdrop.

Aug 24, 20269 min

Market Mechanics

Deutsche Bank near €32.50 as buyback and peers set the pace

Deutsche Bank trades near €32.50 while the July 29 buyback and a strong European bank backdrop keep the stock in focus, with no fresh insider prints.

Aug 24, 20269 min

Market Mechanics

Bayer at €48.04, with Roundup and Q2 still in frame

Bayer trades near €48 as Roundup timing, Q2 progress and a quiet insider tape keep the legal discount in focus versus Pfizer.

Aug 24, 20269 min

Market Mechanics

BASF, buybacks and a 2027 agribusiness IPO

BASF is leaning on buybacks, specialty price hikes and portfolio exits while Rhine logistics stay awkward. The insider record is quiet.

Aug 24, 20269 min