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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

GSK CFO Julie Brown joins 9-insider buy cluster

GSK’s August share-plan buys came as pharma traded unevenly, AstraZeneca stayed in focus, and GSK’s own setup kept improving.

Aug 16, 20269 min

Market Mechanics

Teleperformance’s EUR 228k sale, and what TTEC says

Teleperformance insiders sold about EUR 3.9m in August. Read that cluster against AI-driven BPO pressure, CAC 40 strength, and TTEC's weaker print.

Aug 16, 20269 min

Market Mechanics

1 2 3 4 5 6 7 8 9 10

Antoine Flamarion buys EUR 22,152 as Tikehau tests 17

Tikehau Capital’s latest insider buy sits inside a 63-purchase cluster, but the real question is whether the sector backdrop and valuation can carry it.

Aug 16, 202611 min

Market Mechanics

Standard Chartered’s £12m selling cluster after a $1.71bn beat

Standard Chartered’s August selling cluster lands after a $1.71bn profit beat and a fresh buyback. Here is what the filings add, and what they do not.

Aug 16, 202610 min

Market Mechanics

Black Diamond’s August 14 buys: 5 insiders, CAD 19.20

Five insiders bought Black Diamond on August 14, as the stock pushed above its 200-day average and modular demand stayed constructive.

Aug 16, 202610 min

Market Mechanics

Patrick Lemaire buys EUR 5.4m as Boralex exits

Boralex insiders bought after the Brookfield and La Caisse takeout. Here is what the cluster says, and why the delisting changes the read.

Aug 16, 202611 min

Market Mechanics

Black Diamond’s two August 14 buys, and the TSX energy bid

Two Kernaghan buys on August 14 put Black Diamond Group on the screen as TSX energy strength and oil above US$82 support the backdrop.

Aug 15, 202610 min

Market Mechanics

Kevin Koch sells EUR 785,042 as EWTX rides biotech strength

Edgewise CEO Kevin Koch sold EUR 785,042 in sell-to-cover filings on August 12, 2026. Read it against biotech strength, peers, and prior prints.

Aug 15, 20269 min

Market Mechanics

Foran buys 15,000 MTDR shares as oil firms up

Matador Resources CEO Joseph Wm Foran bought 15,000 shares as oil stayed firm, Q2 beat guidance, and peers kept the Permian bid alive.

Aug 15, 20269 min

Market Mechanics

Venture Global: Sarah Blake sells EUR 12.15m as LNG peers rally

Venture Global’s Sarah Blake sold 1 million shares after a strong LNG run. We read the sale against Cheniere, guidance, and the sector backdrop.

Aug 15, 202610 min

Market Mechanics

Riskified CFO sells EUR 927,914 as Q2 growth jumps 22%

Riskified’s CFO sold EUR 927,914 after a 22% revenue jump and a guidance raise. Read the filing against peers, valuation and the cluster.

Aug 15, 202610 min

Market Mechanics

Ligand CFO sells EUR 8.0m as biotech holds up

Ligand CFO Octavio Espinoza sold EUR 8.0m after a 10b5-1 plan, while biotech stays firm and peers like RPRX frame the valuation debate.

Aug 15, 202611 min