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InsiderTradesSIGMA

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Built in Paris. Public sources across 28 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. 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).

Theme: dark (range regime detected on CAC40 90d · as of 2026-05-22)

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John K. Castle — insider filings · 3 filings

← Executives ★ Sign in to follow

JK

John K. Castle

NONO·Oslo Børs

Shelf Drilling, Ltd.

0

Total declarations

0

Company

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▲ Purchases (0 ops.)

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▼ Sales (0 ops.)

Explore the detailed record of transactions filed by John K. Castle. Insider active across 1 companies, notably Shelf Drilling, Ltd.. In total, 3 reports have been recorded. Regulator: Oslo Børs. The full history is openly available.

Declarations3 total

Executives●OtherSShelf Drilling, Ltd.0Oslo

J

ShareXOSL

OSLO:603856·14 Nov 2023

Executives●OtherSShelf Drilling, Ltd.0Oslo

J

ShareXOSL

OSLO:575590·14 Nov 2022

Executives●OtherSShelf Drilling, Ltd.0Oslo

J

ShareXOSL

OSLO:546810·14 Nov 2021

3 of 3 declarations