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Insider trades
Open-market buys and sells by officers, directors and 10% owners, from SEC Form 4. Usually filed within two business days.
About this data
- What it is
- When a company's officers, directors or owners of more than 10% buy or sell its stock, they must report the trade to the SEC on Form 4. This feed shows purchases and sales on the open market; stock grants, option exercises and shares withheld for tax are left out.
- Who files it
- The insider, usually through the company, within two business days of the trade.
- How current
- We collect new filings throughout the day on SEC business days.
- Worth knowing
- Sales are often routine: insiders sell to diversify, to pay taxes, or under a 10b5-1 plan set up months in advance. A purchase with their own money is less common, which is why many investors pay closer attention to it.
All of this comes from public filings.
Source and freshness · Information, not investment advice (disclaimer).
Open-market trades per day, last 30 days
Purchases Sales
By trade date. Insiders have two business days to file, so the most recent days fill in later.
Latest open-market insider trades
Showing: ticker ARM
| Traded | Insider | Company | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Sep 21, 2026 | Jason Child Chief Financial Officer | ARM Arm Holdings plc | Sale | 10,400 | $300.00 | $3.1M Sale | Form 4 ↗ |
| Aug 27, 2026 | Jason Child Chief Financial Officer | ARM Arm Holdings plc | Sale | 10,400 | $255.33 | $2.7M Sale | Form 4 ↗ |
| Jun 2, 2026 | Laura Kathleen Bartels Chief Accounting Officer | ARM Arm Holdings plc | Sale | 11,306 | $392.70 | $4.4M Sale | Form 4 ↗ |
| Jun 1, 2026 | William Abbey Chief Commercial Officer | ARM Arm Holdings plc | Sale | 3,922 | $415.52 | $1.6M Sale | Form 4 ↗ |
| Jun 1, 2026 | William Abbey Chief Commercial Officer | ARM Arm Holdings plc | Sale | 2,644 | $383.73 | $1.0M Sale | Form 4 ↗ |
| May 28, 2026 | William Abbey Chief Commercial Officer | ARM Arm Holdings plc | Sale | 4,200 | $343.81 | $1.4M Sale | Form 4 ↗ |
| May 22, 2026 | William Abbey Chief Commercial Officer | ARM Arm Holdings plc | Sale | 2,300 | $305.82 | $703.4K Sale | Form 4 ↗ |
| May 21, 2026 | William Abbey Chief Commercial Officer | ARM Arm Holdings plc | Sale | 4,655 | $287.03 | $1.3M Sale | Form 4 ↗ |
| May 21, 2026 | Charlotte Claire Eaton Chief People Officer | ARM Arm Holdings plc | Sale | 5,000 | $291.08 | $1.5M Sale | Form 4 ↗ |
| May 21, 2026 | Charlotte Claire Eaton Chief People Officer | ARM Arm Holdings plc | Sale | 2,805 | $288.10 | $808.1K Sale | Form 4 ↗ |
| May 21, 2026 | Charlotte Claire Eaton Chief People Officer | ARM Arm Holdings plc | Sale | 4,000 | $282.77 | $1.1M Sale | Form 4 ↗ |
| May 20, 2026 | William Abbey Chief Commercial Officer | ARM Arm Holdings plc | Sale | 5,069 | $257.18 | $1.3M Sale | Form 4 ↗ |
| May 20, 2026 | Charlotte Claire Eaton Chief People Officer | ARM Arm Holdings plc | Sale | 3,100 | $252.25 | $782.0K Sale | Form 4 ↗ |
| May 20, 2026 | Jason Child Chief Financial Officer | ARM Arm Holdings plc | Sale | 31,920 | $226.54 | $7.2M Sale | Form 4 ↗ |
| May 19, 2026 | Spencer Collins Chief Legal Officer | ARM Arm Holdings plc | Sale | 40,941 | $215.00 | $8.8M Sale | Form 4 ↗ |
| May 19, 2026 | William Abbey Chief Commercial Officer | ARM Arm Holdings plc | Sale | 10,887 | $224.14 | $2.4M Sale | Form 4 ↗ |
| May 18, 2026 | Richard Roy Grisenthwaite Chief Architect | ARM Arm Holdings plc | Sale | 24,339 | $209.15 | $5.1M Sale | Form 4 ↗ |
| May 15, 2026 | William Abbey Chief Commercial Officer | ARM Arm Holdings plc | Sale | 7,000 | $212.55 | $1.5M Sale | Form 4 ↗ |
| May 11, 2026 | Spencer Collins Chief Legal Officer | ARM Arm Holdings plc | Sale | 4,866 | $214.41 | $1.0M Sale | Form 4 ↗ |
| May 11, 2026 | Spencer Collins Chief Legal Officer | ARM Arm Holdings plc | Sale | 7,371 | $213.59 | $1.6M Sale | Form 4 ↗ |
| May 11, 2026 | Spencer Collins Chief Legal Officer | ARM Arm Holdings plc | Sale | 11,197 | $212.51 | $2.4M Sale | Form 4 ↗ |
| May 11, 2026 | Spencer Collins Chief Legal Officer | ARM Arm Holdings plc | Sale | 10,674 | $211.46 | $2.3M Sale | Form 4 ↗ |
| May 11, 2026 | Spencer Collins Chief Legal Officer | ARM Arm Holdings plc | Sale | 9,815 | $210.53 | $2.1M Sale | Form 4 ↗ |
| May 11, 2026 | Spencer Collins Chief Legal Officer | ARM Arm Holdings plc | Sale | 5,353 | $209.52 | $1.1M Sale | Form 4 ↗ |
| May 11, 2026 | Spencer Collins Chief Legal Officer | ARM Arm Holdings plc | Sale | 1,849 | $208.68 | $385.8K Sale | Form 4 ↗ |
| May 11, 2026 | Spencer Collins Chief Legal Officer | ARM Arm Holdings plc | Sale | 836 | $207.77 | $173.7K Sale | Form 4 ↗ |
| Apr 24, 2026 | William Abbey Chief Commercial Officer | ARM Arm Holdings plc | Sale | 1,577 | $221.99 | $350.1K Sale | Form 4 ↗ |
| Apr 23, 2026 | William Abbey Chief Commercial Officer | ARM Arm Holdings plc | Sale | 1,577 | $199.00 | $313.8K Sale | Form 4 ↗ |
| Apr 22, 2026 | Jason Child Chief Financial Officer | ARM Arm Holdings plc | Sale | 21,280 | $180.00 | $3.8M Sale | Form 4 ↗ |
| Apr 14, 2026 | Rene A. Haas Chief Executive Officer, Director | ARM Arm Holdings plc | Sale | 170 | $163.00 | $27.7K Sale | Form 4 ↗ |
| Apr 14, 2026 | Rene A. Haas Chief Executive Officer, Director | ARM Arm Holdings plc | Sale | 3,483 | $161.21 | $561.5K Sale | Form 4 ↗ |
| Apr 14, 2026 | Rene A. Haas Chief Executive Officer, Director | ARM Arm Holdings plc | Sale | 5,646 | $160.57 | $906.6K Sale | Form 4 ↗ |
| Mar 26, 2026 | Rene A. Haas Chief Executive Officer, Director | ARM Arm Holdings plc | Sale | 5,344 | $160.41 | $857.2K Sale | Form 4 ↗ |
| Mar 26, 2026 | Rene A. Haas Chief Executive Officer, Director | ARM Arm Holdings plc | Sale | 1,842 | $161.47 | $297.4K Sale | Form 4 ↗ |
| Mar 26, 2026 | Rene A. Haas Chief Executive Officer, Director | ARM Arm Holdings plc | Sale | 600 | $162.19 | $97.3K Sale | Form 4 ↗ |
| Mar 26, 2026 | Rene A. Haas Chief Executive Officer, Director | ARM Arm Holdings plc | Sale | 200 | $163.15 | $32.6K Sale | Form 4 ↗ |
| Mar 25, 2026 | Rene A. Haas Chief Executive Officer, Director | ARM Arm Holdings plc | Sale | 11,749 | $160.22 | $1.9M Sale | Form 4 ↗ |
| Mar 25, 2026 | Rene A. Haas Chief Executive Officer, Director | ARM Arm Holdings plc | Sale | 6,196 | $161.47 | $1.0M Sale | Form 4 ↗ |
| Mar 25, 2026 | Rene A. Haas Chief Executive Officer, Director | ARM Arm Holdings plc | Sale | 4,830 | $162.62 | $785.5K Sale | Form 4 ↗ |
| Mar 25, 2026 | Rene A. Haas Chief Executive Officer, Director | ARM Arm Holdings plc | Sale | 1,092 | $163.35 | $178.4K Sale | Form 4 ↗ |
| Mar 25, 2026 | Jason Child Chief Financial Officer | ARM Arm Holdings plc | Sale | 21,280 | $148.37 | $3.2M Sale | Form 4 ↗ |
41 items, most recent first (up to 50). Every row links to its original filing. Updated Nov 15, 2026, 4:55 PM EST.
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