Arm Holdings plc American Depositary Shares (ARM) Insider Trading
Over the last 3 months, ARM insiders made 0 open-market buys and 27 sales, a net sale of -$55.1M (SEC Form 4). Over the last 6 months, 481 institutions increased and 429 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
27
Net (3m)
-$55.1M
Insider trades by month Buys Sells
Mar
Apr
May
Jun
Context3-month price +150.9%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 4, 2026 | Bartels Laura Kathleenofficer: Chief Accounting Officer | Sell | 11,306 | $392.70 |
| Jun 1, 2026 | Abbey Williamofficer: Chief Commercial Officer | Sell | 4,200 | $343.81 |
| May 26, 2026 | Abbey Williamofficer: Chief Commercial Officer | Sell | 2,300 | $305.82 |
| May 22, 2026 | Abbey Williamofficer: Chief Commercial Officer | Sell | 4,655 | $287.03 |
| May 22, 2026 | Eaton Charlotte Claireofficer: Chief People Officer | Sell | 5,000 | $291.08 |
| May 22, 2026 | Eaton Charlotte Claireofficer: Chief People Officer | Sell | 2,805 | $288.10 |
| May 21, 2026 | Abbey Williamofficer: Chief Commercial Officer | Sell | 10,887 | $224.14 |
| May 21, 2026 | Eaton Charlotte Claireofficer: Chief People Officer | Sell | 4,000 | $282.77 |
| May 21, 2026 | Eaton Charlotte Claireofficer: Chief People Officer | Sell | 3,100 | $252.25 |
| May 21, 2026 | Child Jasonofficer: Chief Financial Officer | Sell | 31,920 | $226.54 |
| May 21, 2026 | Abbey Williamofficer: Chief Commercial Officer | Sell | 5,069 | $257.18 |
| May 21, 2026 | Collins Spencerofficer: Chief Legal Officer | Sell | 40,941 | $215.00 |
| May 19, 2026 | Eaton Charlotte Claireofficer: Chief People Officer | Tax | 3,672 | $209.16 |
| May 19, 2026 | Haas Rene A.director, officer: Chief Executive Officer | Grant | 51,691 | — |
| May 19, 2026 | Haas Rene A.director, officer: Chief Executive Officer | Grant | 162,000 | — |
| May 19, 2026 | Haas Rene A.director, officer: Chief Executive Officer | Tax | 143,316 | $209.16 |
| May 19, 2026 | Child Jasonofficer: Chief Financial Officer | Grant | 11,909 | — |
| May 19, 2026 | Child Jasonofficer: Chief Financial Officer | Option | 4,670 | — |
| May 19, 2026 | Child Jasonofficer: Chief Financial Officer | Grant | 11,849 | — |
| May 19, 2026 | Child Jasonofficer: Chief Financial Officer | Option | 4,647 | — |
| May 19, 2026 | Child Jasonofficer: Chief Financial Officer | Grant | 57,601 | — |
| May 19, 2026 | Child Jasonofficer: Chief Financial Officer | Tax | 37,950 | $209.16 |
| May 19, 2026 | Child Jasonofficer: Chief Financial Officer | Grant | 14,842 | — |
| May 19, 2026 | JACOBS PAUL Edirector | Option | 2,141 | — |
| May 19, 2026 | JACOBS PAUL Edirector | Grant | 1,531 | — |
| May 19, 2026 | FISHER RONALD Ddirector | Grant | 1,531 | — |
| May 19, 2026 | Sine Jeffreydirector | Option | 2,141 | — |
| May 19, 2026 | Sine Jeffreydirector | Grant | 1,531 | — |
| May 19, 2026 | DYKSTRA KAREN Edirector | Grant | 1,531 | — |
| May 19, 2026 | Schooler Rosemarydirector | Option | 2,141 | — |
Source: ARM SEC Form 4 filings, latest Jun 4, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their ARM positions over the last 6 months (SEC Form 13F).
Increased
481
New positions
297
Reduced
429
Sold out
197
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 16.6M | May 15, 2026 |
| DZ BANK AG DEUTSCHE ZENTRAL GENOSSENSCHAFTS BANK, FRANKFURT AM MAIN | Increased | 9.8M | May 15, 2026 |
| JANE STREET GROUP, LLC | Reduced | 8.9M | May 12, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 8.1M | Feb 17, 2026 |
| JANE STREET GROUP, LLC | Increased | 7.0M | Feb 12, 2026 |
| CITADEL ADVISORS LLC | Reduced | 6.5M | May 15, 2026 |
| BARCLAYS PLC | Reduced | 4.9M | May 15, 2026 |
| MORGAN STANLEY | Reduced | 4.5M | May 15, 2026 |
| CAPITAL RESEARCH GLOBAL INVESTORS | Increased | 4.2M | May 13, 2026 |
| GOLDMAN SACHS GROUP INC | Reduced | 4.1M | May 15, 2026 |
| BARCLAYS PLC | Increased | 3.9M | Feb 13, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 3.9M | Mar 25, 2026 |
| SCHRODER INVESTMENT MANAGEMENT GROUP | Increased | 3.8M | May 14, 2026 |
| MORGAN STANLEY | Increased | 3.8M | Feb 13, 2026 |
| CITADEL ADVISORS LLC | Increased | 3.8M | Feb 17, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.