ARM HOLDINGS PLC /UK (ARM)
Data as of , from SEC Form 4 filings.
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About ARM HOLDINGS PLC /UK (ARM)
Arm Holdings is the IP owner and developer of the Arm architecture, which is used in 99% of the world's smartphone CPU cores. Arm also has a high market share in other battery-powered devices, such as wearables, tablets, and sensors. Arm licenses its architecture for a fee, offering different license types depending on the flexibility the customer needs. Customers such as Apple or Qualcomm buy architectural licenses, which allow them to modify the architecture and add or remove instructions to tailor the chips to their specific needs. Other clients directly buy off-the-shelf designs from Arm. Both off-the-shelf and architectural customers pay a royalty fee per chip shipped. In 2026, Arm announced plans to launch its own CPU products on top of its existing royalty business.
- 9,584
- 2023
- XNAS
ARM Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 2 | 20,800 | $5.78M |
| Grant or award | 3 | 442,352 | |
| Option exercise | 4 | 3,362 | |
ARM insider transactions (Form 4)
1334 Form 4 filings on record, the earliest from Mar 27, 2026, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jason Child - Officer | Open-market sale | Ordinary Shares | 21,280 | $180.00 | $3.83M | |
 Rene A. Haas - Officer | Open-market sale | Ordinary Shares | 5,646 | $160.57 footnote F3 | $907K | |
| Rene A. Haas - Officer | Open-market sale | Ordinary Shares | 3,483 | $161.21 footnote F4 | $561K | |
| Rene A. Haas - Officer | Open-market sale | Ordinary Shares | 170 | $163.00 footnote F5 | $28K | |
| ||||||
| Rene A. Haas - Officer | Open-market sale | Ordinary Shares | 1,092 | $163.35 footnote F3 | $178K | |
| Rene A. Haas - Officer | Open-market sale | Ordinary Shares | 4,830 | $162.62 footnote F4 | $785K | |
| Rene A. Haas - Officer | Open-market sale | Ordinary Shares | 6,196 | $161.47 footnote F5 | $1.00M | |
| Rene A. Haas - Officer | Open-market sale | Ordinary Shares | 11,749 | $160.22 footnote F6 | $1.88M | |
| Rene A. Haas - Officer | Open-market sale | Ordinary Shares | 200 | $163.15 footnote F7 | $33K | |
| Rene A. Haas - Officer | Open-market sale | Ordinary Shares | 600 | $162.19 footnote F8 | $97K | |
| Rene A. Haas - Officer | Open-market sale | Ordinary Shares | 1,842 | $161.47 footnote F5 | $297K | |
| Rene A. Haas - Officer | Open-market sale | Ordinary Shares | 5,344 | $160.41 footnote F9 | $857K | |
| ||||||
| Jason Child - Officer | Open-market sale | Ordinary Shares | 21,280 | $148.37 | $3.16M | |
Recent ARM Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Child Jason | Officer | 10,400 | $3.12M | View on EDGAR | |
| Child Jason | Officer | 10,400 | $2.66M |
Stock trades in ARM disclosed by members of the U.S. House in the last 12 months, newest first. Values are the ranges as filed.
| Member | Type | Traded | Disclosed | Value range | Owner | Days to disclose | Filing |
|---|---|---|---|---|---|---|---|
 Cleo FieldsDemocrat, LA-06 | Sale |
ARM insider trading FAQ
What is the latest insider trade for ARM?
ARM HOLDINGS PLC /UK (ARM) had 6 insider filings in the last 90 days, with the most recent on 2026-09-23. The full record for ARM runs to 34 Form 4 filings, the earliest from 2026-03-27. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying ARM stock?
No insider purchases of ARM were filed in the last 90 days.
How many insiders are selling ARM stock?
2 insider sales of ARM were filed in the last 90 days, totaling $5.78M.
Where can I see ARM SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects ARM Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Jason Child view on EDGAR
- - William Abbey view on EDGAR
- - Rene A. Haas view on EDGAR
- - Jason Child view on EDGAR
- - Laura Kathleen Bartels view on EDGAR
- - Jeffrey Sine view on EDGAR
- - Laura Kathleen Bartels view on EDGAR
- - William Abbey view on EDGAR
- - William Abbey view on EDGAR
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Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Information Technology
- Where ARM's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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- ARM on your watchlist
- Every ARM Form 4 filing on record
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- The daily trading plan of ranked insider buys, on a delay, with the plan archive
