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Insider ActivityARM
Grisenthwaite Richard Roy, Chief Architect at ARM HOLDINGS PLC /UK, traded $4.5M of ARM
Updated Jun 7, 2026
Grisenthwaite Richard Roy
Chief Architect
ARM HOLDINGS PLC /UK ·
$ARM
Transaction Details
| Insider | Grisenthwaite Richard Roy |
|---|---|
| Title | Chief Architect |
| Company | ARM HOLDINGS PLC /UK |
| Ticker | ARM |
| Transaction Type | Tax |
| Transaction Date | 2026-05-15 |
| Shares Traded | 21,301 |
| Price Per Share | $209.16 |
| Total Value | $4.5M |
| Filed Date | 2026-05-19 |
| Accession Number | 0001973239-26-000076 |
Ownership Context
| Shares Owned After Transaction | 24,339 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001973239-26-000076
Other Insider Trades — ARM
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| Bartels Laura Kathleen | Chief Accounting Officer | sold | $4.4M | 2026-06-02 |
| Abbey William | Chief Commercial Officer | sold | $1.0M | 2026-06-01 |
| Abbey William | Chief Commercial Officer | sold | $1.6M | 2026-06-01 |
| Abbey William | Chief Commercial Officer | sold | $1.4M | 2026-05-28 |
| Abbey William | Chief Commercial Officer | sold | $703K | 2026-05-22 |
| Eaton Charlotte Claire | Chief People Officer | sold | $808K | 2026-05-21 |
| Eaton Charlotte Claire | Chief People Officer | sold | $1.1M | 2026-05-21 |
| Eaton Charlotte Claire | Chief People Officer | sold | $1.5M | 2026-05-21 |
| Abbey William | Chief Commercial Officer | sold | $1.3M | 2026-05-21 |
| Child Jason | Chief Financial Officer | sold | $7.2M | 2026-05-20 |
Other Trades by Grisenthwaite Richard Roy
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| ARM | ARM HOLDINGS PLC /UK | sold | $5.1M | 2026-05-18 |
| ARM | ARM HOLDINGS PLC /UK | traded | — | 2026-05-15 |
| ARM | ARM HOLDINGS PLC /UK | traded | — | 2026-05-15 |
| ARM | ARM HOLDINGS PLC /UK | traded | — | 2026-05-15 |
| ARM | ARM HOLDINGS PLC /UK | traded | — | 2026-05-15 |
| ARM | ARM HOLDINGS PLC /UK | traded | — | 2026-05-15 |
| ARM | ARM HOLDINGS PLC /UK | traded | — | 2026-05-15 |
| ARM | ARM HOLDINGS PLC /UK | traded | — | 2026-05-15 |
| ARM | ARM HOLDINGS PLC /UK | traded | — | 2026-05-15 |
| ARM | ARM HOLDINGS PLC /UK | traded | — | 2026-05-15 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for ARM — ARM HOLDINGS PLC /UK →
Whisper Score — ARM
48.32
Active Discussion
Current Whisper Score
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 07, 2026 at 07:07 UTC