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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

Qualys CEO sells 3,100 shares as cyber peers run

Qualys CEO Sumedh S. Thakar sold 3,100 shares in a July 14 10b5-1 plan. Read it against cyber peers, market strength, and cluster selling.

Jul 16, 202610 min

Market Mechanics

Cloudflare: Michelle Zatlyn sells EUR 12m after the July high

Cloudflare’s president sold about EUR 12m in July as the stock sat near a 52-week high. The bull case is intact, but the timing matters.

Jul 16, 20269 min

Market Mechanics

1 2 3 4 5 6 7 8 9 10

Maxime Séché buys again as waste stocks stay bid

Maxime Séché added to Séché Environnement again on July 15. Read the buy cluster against EU waste regulation, Veolia, and the stock's setup.

Jul 16, 202610 min

Market Mechanics

KB Home CEO sells EUR 1.0m as housing stays pressured

KB Home’s CEO sold EUR 1.0m while homebuilders face 6.65% mortgage rates, softer starts and a 6.38% sector slide.

Jul 16, 20268 min

Market Mechanics

Clear Secure CEO sells EUR 4.19m on July 15

Clear Secure’s CEO sold EUR 4.19m on July 15 as travel and identity stocks trade on air traffic, security spend, and AI-driven fraud fears.

Jul 16, 20269 min

Market Mechanics

Shell after July 7 guidance lift, with July 30 earnings ahead

Shell’s July 7 gas guidance lift, sector volatility and a thin insider record set the frame before July 30 earnings and the next trading read.

Jul 15, 20269 min

Market Mechanics

Shell after July 7: gas trading, buybacks, and peers

Shell’s July 7 update lifted the shares. Here is what changed in gas trading, refining, buybacks, and how the peer set frames it.

Jul 15, 20268 min

Market Mechanics

Shell near 3,150 GBp, with Q2 trading still doing the work

Shell trades near 3,150 GBp after a strong Q2 trading update, asset sales and buybacks. Here is what the latest company news and insider record say.

Jul 15, 20269 min

Market Mechanics

ABC Arbitrage’s July 13 sale lands beside ECB pressure

ABC Arbitrage’s board sale comes as ECB rates stay higher, quant arbitrage faces cost pressure, and the stock has already outpaced the CAC 40.

Jul 15, 202611 min

Market Mechanics

Sea Ltd: July 14 sales from COO and GC total EUR 3.8m

Sea Ltd’s July 14 insider sales came from its COO and general counsel. Read the cluster against Shopee, Garena, Monee and the stock’s rebound.

Jul 15, 202611 min

Market Mechanics

Séché Environnement: 3 buys, EUR 231k, and a sector bid

Séché Environnement drew three July 13 buys from Maxime Séché as EU waste rules tighten and Veolia keeps outrunning the index.

Jul 15, 20269 min

Market Mechanics

Everpure’s 2.5m EUR sale lands as storage peers rotate

Everpure’s chief visionary officer sold about EUR 2.5m under a 10b5-1 plan while storage peers trade against an AI rotation and mixed risk appetite.

Jul 15, 20269 min