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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

HSBC at 1,528.40 GBp, buybacks do the talking

HSBC is riding buybacks, stronger NII guidance and a bank rally. The catch is valuation, execution and what the insider record does not show.

Aug 31, 20269 min

Market Mechanics

AstraZeneca after Tezspire and the €2.55bn bond

Tezspire data, a €2.55bn bond and a mixed oncology week keep AstraZeneca in focus as the sector trades on trial wins and funding discipline.

Aug 31, 20269 min

Market Mechanics

1 2 3 4 5 6 7 8 9 10

Aurizon's 2 director buys vs Union Pacific's richer rail tape

Aurizon directors bought again as coal, bulk and buybacks reset the rail story. Here is how the filings stack up against Union Pacific.

Aug 31, 20269 min

Market Mechanics

Credit Corp's August buy cluster and the ASX financials slump

Credit Corp directors bought into August weakness after record FY26 profit. The cluster helps, but US debt-buying conditions and cohort math matter.

Aug 31, 202610 min

Market Mechanics

Vimian’s CEO bought twice as peers held firm

Vimian’s CEO and two executives bought shares on August 29 as the stock traded near SEK 35.50, with animal health still drawing defensive flows.

Aug 31, 20269 min

Market Mechanics

Mitie’s 2 director buys versus Serco and ISS

Mitie directors bought after the OCS bid and a break above the 200-day average. Here is how the filings look beside Serco and ISS.

Aug 30, 202610 min

Market Mechanics

HCL Technologies: Rahul Mohta buys EUR 54,016 as IT rallies

Rahul Mohta bought HCL Technologies shares as IT rallied on Nvidia-led optimism. The cluster helps, but the macro and cohort math still matter.

Aug 30, 202612 min

Market Mechanics

Reckitt directors buy £17.8k as staples lag peers

Two Reckitt directors bought shares on 26 August as staples lagged peers, buybacks continued and the stock sat near the middle of its 52-week range.

Aug 30, 202610 min

Market Mechanics

Sharon Brown buys 10,000 PNL shares as peers run ahead

Sharon Brown bought 10,000 Personal Assets Trust shares for GBP 55,584.68. Read the cluster, the buyback, and the trust's defensive positioning.

Aug 30, 20268 min

Market Mechanics

Bonesupport’s August buys versus a 70x multiple

Bonesupport insiders kept buying in late August while the stock traded near 70x earnings. We read the cluster against orthobiologics peers and macro.

Aug 30, 20269 min

Market Mechanics

OVH Groupe: Christophe Karvelis-Senn sells EUR 25,024 after

OVH Groupe’s August 28 insider sale lands after a 13% slide and a CFO shake-up, with AI cloud demand still doing the heavy lifting.

Aug 30, 202612 min

Market Mechanics

M&S directors buy 77 shares as retail stays weak

M&S directors bought 77 shares via the SIP as UK retail stays soft. Here is what the filing adds, and where the case still frays.

Aug 30, 202610 min