Richard Roy Grisenthwaite insider trades
Open-market stock purchases and sales by Richard Roy Grisenthwaite, Chief Architect at ARM Holdings plc /UK, from SEC Form 4 filings since May 15, 2026.
Recent trades
| Date | Stock | Trade | Value |
|---|---|---|---|
| May 18, 2026 | ARM ARM Holdings plc /UK | Sold | $5.1M |
| May 15, 2026 | ARM ARM Holdings plc /UK | Bought (not open market) | — |
| May 15, 2026 | ARM ARM Holdings plc /UK | Bought (not open market) | — |
| May 15, 2026 | ARM ARM Holdings plc /UK | Bought (not open market) | — |
| May 15, 2026 | ARM ARM Holdings plc /UK | Sold (not open market) | $4.5M |
| May 15, 2026 | ARM ARM Holdings plc /UK | Bought (not open market) | — |
| May 15, 2026 | ARM ARM Holdings plc /UK | Bought (not open market) | — |
| May 15, 2026 | ARM ARM Holdings plc /UK | Bought (not open market) | — |
| May 15, 2026 | ARM ARM Holdings plc /UK | Bought (not open market) | — |
| May 15, 2026 | ARM ARM Holdings plc /UK | Bought (not open market) | — |
| May 15, 2026 | ARM ARM Holdings plc /UK | Bought (not open market) | — |
Companies traded
- ARM ARM Holdings plc /UK: 1 sale, last May 18, 2026
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