11 insiders reported 86 Form 4 transactions for ARM HOLDINGS PLC /UK (ARM) over the past 18 months (most recent 2026-08-18). Recent activity: Bartels Laura Kathleen (Chief Accounting Officer) Buy 862 shares, Bartels Laura Kathleen (Chief Accounting Officer) Buy 819 shares, Bartels Laura Kathleen (Chief Accounting Officer) Sell 856 shares, Sine Jeffrey (Director) Sell 9,572 shares, Bartels Laura Kathleen (Chief Accounting Officer) Sell 11,306 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 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 | Eaton Charlotte Claire | Chief People Officer | Sell | 2,805 | $808,120 |
| 2026-05-22 | Abbey William | Chief Commercial Officer | Sell | 4,655 | $1.3M |
| 2026-05-22 | Eaton Charlotte Claire | Chief People Officer | Sell | 5,000 | $1.5M |
| 2026-05-21 | Eaton Charlotte Claire | Chief People Officer | Sell | 3,100 | $781,975 |
| 2026-05-21 | Collins Spencer | Chief Legal Officer | Sell | 40,941 | $8.8M |
| 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 |
| 2026-05-21 | Eaton Charlotte Claire | Chief People Officer | Sell | 4,000 | $1.1M |
| 2026-05-19 | Child Jason | Chief Financial Officer | Buy | 11,909 | $0 |
| 2026-05-19 | Eaton Charlotte Claire | Chief People Officer | Buy | 5,612 | $0 |
| 2026-05-19 | Collins Spencer | Chief Legal Officer | Buy | 10,668 | $0 |
| 2026-05-19 | Haas Rene A. | Chief Executive Officer | Buy | 51,952 | $0 |
| 2026-05-19 | Grisenthwaite Richard Roy | Chief Architect | Buy | 5,217 | $0 |
| 2026-05-19 | JACOBS PAUL E | Director | Buy | 2,141 | $0 |
| 2026-05-19 | SOHN YOUNG | Director | Buy | 2,141 | $0 |
Source: SEC Form 4 filings · as of 2026-08-18