InsidersTradesSigma
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Explore the full record of transactions filed by Grisenthwaite Richard Roy. Officer active across 1 company, notably ARM HOLDINGS PLC /UK. Aggregated, 9 filings have been logged. Breakdown: 0 buy · 1 sell. Total volume traded: €4.4m. History available since 15 May 2026. The latest transaction was disclosed on 18 May 2026 (Cession). Regulator: SEC (Form 4). The full history is accessible without signup.
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9 of 9 declarations
Grisenthwaite Richard Roy is a declarant linked to ARM HOLDINGS PLC /UK, where the listed role is Chief Architect. The 9 filings recorded all fall within the 2026-05-19 to 2026-05-19 range in the sampled filings, with EUR 0 in buys and EUR 4,367,600 in sells, and the dominant transaction nature is Levée d'options.