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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

Netflix: Peters sells EUR 1.74m as peers wobble

Netflix co-CEO Gregory K. Peters sold EUR 1.74m after a cluster of executive disposals. The stock is still down 21% year to date.

Aug 7, 20268 min

Market Mechanics

CareDx director sells EUR 1.83m after Q2 surge

CareDx rallied 154% year to date, then director Michael Goldberg sold EUR 1.83m after Q2 revenue rose 52% and guidance went up.

Aug 7, 20268 min

Market Mechanics

Amundi: 7 insiders sold EUR 550,854 as sector flows held

1 2 3 4 5 6 7 8 9 10

Amundi saw two August 6 sales and EUR 550,854 in recent disposals. Read the cluster against Europe asset management, BlackRock, and the stock near EUR 97.

Aug 7, 20268 min

Market Mechanics

Wendel’s August 5 buying cluster and the Bureau Veritas link

Wendel’s August 5 insider buys came after half-year results, a buyback, and steady Bureau Veritas trading. Here is what the filings add.

Aug 7, 202611 min

Market Mechanics

MIAX CEO sells EUR 1.9m after record Q2 revenue

MIAX posted record Q2 revenue and 57% EBITDA growth. Then CEO Thomas Gallagher sold EUR 1.9m as exchange stocks stayed tied to volume.

Aug 7, 20269 min

Market Mechanics

Frontier CFO sells EUR 877k as airline pressure builds

Frontier’s CFO led a three-insider selling cluster as fuel pressure, weak LCC margins and a cautious analyst view frame ULCC’s latest filing.

Aug 7, 20268 min

Market Mechanics

Overton sells EUR 8.7m as CAKE trades above $105

Cheesecake Factory’s CEO sold EUR 8.7m while CAKE held above $105. The bull case is real, but the insider cluster changes the tone.

Aug 7, 20269 min

Market Mechanics

Antoine Flamarion buys EUR 566k as Tikehau climbs

Antoine Flamarion bought EUR 566k of Tikehau Capital stock in two August filings as the asset manager leans on fee growth, buybacks and a steadier ECB.

Aug 7, 202610 min

Market Mechanics

Life360’s 4 August director sales hit after a 13.6% jump

Life360 drew a director selling cluster after a 13.6% jump, with earnings due August 10 and the stock still down about 19% over 12 months.

Aug 6, 20269 min

Market Mechanics

First Solar’s August 5 sales cluster meets a shaky solar tape

First Solar’s CTO and supply chain chief sold shares in August. Read the filings against a weak solar backdrop, peer moves, and our cohort data.

Aug 6, 202610 min

Market Mechanics

Teva’s August 5 sales: 2 filings, 8 insiders, one question

Teva logged two August 5 insider sales as healthcare stayed strong and the stock held near $34.43. Here is what the filings add, and what they do not.

Aug 6, 20269 min

Market Mechanics

United Airlines: Nocella sells EUR 344,668 as fuel bites

United Airlines keeps lifting guidance while fuel costs climb. Andrew Nocella sold again, and the cluster says more about timing than panic.

Aug 6, 20269 min