11 insiders reported 89 Form 4 transactions for ARM HOLDINGS PLC /UK (ARM) over the past 18 months (most recent 2026-09-23). Recent activity: Child Jason (Chief Financial Officer) Sell 10,400 shares, Haas Rene A. (Chief Executive Officer) Buy 64 shares, Child Jason (Chief Financial Officer) Sell 10,400 shares, Bartels Laura Kathleen (Chief Accounting Officer) Buy 862 shares, Bartels Laura Kathleen (Chief Accounting Officer) Buy 819 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-23 | Child Jason | Chief Financial Officer | Sell | 10,400 | $3.1M |
| 2026-09-10 | Haas Rene A. | Chief Executive Officer | Buy | 64 | $6,933 |
| 2026-08-31 | Child Jason | Chief Financial Officer | Sell | 10,400 | $2.7M |
| 2026-08-18 | Bartels Laura Kathleen | Chief Accounting Officer | Buy | 862 | $0 |
| 2026-08-18 | Bartels Laura Kathleen | Chief Accounting Officer | Buy | 819 | $0 |
| 2026-08-18 | Bartels Laura Kathleen | Chief Accounting Officer | Sell | 856 | $232,344 |
| 2026-08-11 | Sine Jeffrey | Director | Sell | 9,572 | $0 |
| 2026-06-04 | Bartels Laura Kathleen | Chief Accounting Officer | Sell | 11,306 | $4.4M |
| 2026-06-03 | Abbey William | Chief Commercial Officer | Sell | 2,644 | $1.0M |
| 2026-06-03 | Abbey William | Chief Commercial Officer | Sell | 3,922 | $1.6M |
| 2026-06-01 | Abbey William | Chief Commercial Officer | Sell | 4,200 | $1.4M |
| 2026-05-26 | Abbey William | Chief Commercial Officer | Sell | 2,300 | $703,386 |
| 2026-05-22 | Abbey William | Chief Commercial Officer | Sell | 4,655 | $1.3M |
| 2026-05-22 | Eaton Charlotte Claire | Chief People Officer | Sell | 2,805 | $808,120 |
| 2026-05-22 | Eaton Charlotte Claire | Chief People Officer | Sell | 5,000 | $1.5M |
| 2026-05-21 | Collins Spencer | Chief Legal Officer | Sell | 40,941 | $8.8M |
| 2026-05-21 | Eaton Charlotte Claire | Chief People Officer | Sell | 3,100 | $781,975 |
| 2026-05-21 | Eaton Charlotte Claire | Chief People Officer | Sell | 4,000 | $1.1M |
| 2026-05-21 | Child Jason | Chief Financial Officer | Sell | 31,920 | $7.2M |
| 2026-05-21 | Abbey William | Chief Commercial Officer | Sell | 10,887 | $2.4M |
| 2026-05-21 | Abbey William | Chief Commercial Officer | Sell | 5,069 | $1.3M |
| 2026-05-19 | Schooler Rosemary | Director | Buy | 2,141 | $0 |
| 2026-05-19 | Bartels Laura Kathleen | Chief Accounting Officer | Buy | 3,588 | $0 |
| 2026-05-19 | Bartels Laura Kathleen | Chief Accounting Officer | Buy | 862 | $0 |
| 2026-05-19 | Bartels Laura Kathleen | Chief Accounting Officer | Buy | 2,308 | $0 |
Source: SEC Form 4 filings · as of 2026-09-23