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Multi-market insider intelligence. Official public filings, re-aggregated and scored. Private beta.

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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 2026-05-16. 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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WM

Williams, Mark

Grey Matters Health Inc.

0

Total declarations

0

Company

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▲ Purchases (0 ops.)

—

▼ Sales (0 ops.)

Insider track record

Other

Disclosed buys

0

Disclosed sells

0

Not enough buy signals with a settled T+90 horizon to measure a track record yet.

Signal history

No signal scores available.

Discover the complete record of transactions filed by Williams, Mark. Director active across 1 company, notably Grey Matters Health Inc.. In total, 8 filings have been recorded. Activity tracked since 6 January 2025. The latest transaction was filed on 6 January 2025 (52 - Expiration of options). Regulator: SEDI. All data is free.

Declarations8 total

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4 - Director of Issuer·Executives·21 Apr 2026·Grey Matters Health Inc.

337,320 sharesCommon SharesTSXSEDI:4753041

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4 - Director of Issuer·Executives·20 Mar 2025·Grey Matters Health Inc.

205,000 sharesCommon SharesTSXSEDI:4753040

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4 - Director of Issuer·Executives·20 Mar 2025·Grey Matters Health Inc.

205,000 sharesRights RSUsTSXSEDI:4753038

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4 - Director of Issuer·Executives·6 Jan 2025·Grey Matters Health Inc.

CA$27,0000SEDI ↗

20,000 shares@ CA$1.35OptionsTSXSEDI:4753029

◇

4 - Director of Issuer·Executives·6 Jan 2025·Grey Matters Health Inc.

CA$26,7800SEDI ↗

26,000 shares@ CA$1.03OptionsTSXSEDI:4753026

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4 - Director of Issuer·Executives·6 Mar 2026·Grey Matters Health Inc.

205,000 sharesRights RSUsTSXSEDI:4753011

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4 - Director of Issuer·Executives·9 Feb 2024·Grey Matters Health Inc.

125,000 sharesCommon SharesTSXSEDI:4753009

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4 - Director of Issuer·Executives·9 Feb 2024·Grey Matters Health Inc.

125,000 sharesRights RSUsTSXSEDI:4753008

8 of 8 declarations

Related entities

No related entities found.