As of the latest Form 4 filed Jun 4, 2026.
What Arm Holdings plc American Depositary Shares insiders — officers, directors and 10% owners — have bought and sold in their own stock, straight from their SEC Form 4 filings. Values are shares × the reported transaction price where both are disclosed.
Buys plotted up, sells down; bar height is the disclosed dollar value (shares × reported price). Our Form 4 history is only complete from mid-2026, so early months are sparse — the series fills in as more filings land. Open-market purchases and sales only.
Newest filing first — the 82 most recent filings for ARM.
| Filed | Trade date | Insider | Transaction | Shares | Price | Value | 10b5-1 | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-06-04 | 2026-06-02 | Bartels Laura Kathleen Chief Accounting Officer | SSale | −11.3K | $392.70 | $4.44M | No | Form 4 ↗ |
| 2026-06-03 | 2026-06-01 | Abbey William Chief Commercial Officer | SSale | −3.92K | $415.52 | $1.63M | No | Form 4 ↗ |
| 2026-06-03 | 2026-06-01 | Abbey William, Chief Commercial Officer | SSale | −2.64K | $383.73 | $1.01M | No | Form 4 ↗ |
| 2026-06-01 | 2026-05-28 | Abbey William Chief Commercial Officer | SSale | −4.20K | $343.81 | $1.44M | No | Form 4 ↗ |
| 2026-05-26 | 2026-05-22 | Abbey William Chief Commercial Officer | SSale | −2.30K | $305.82 | $703K | No | Form 4 ↗ |
| 2026-05-22 | 2026-05-21 | Abbey William Chief Commercial Officer | SSale | −4.66K | $287.03 | $1.34M | No | Form 4 ↗ |
| 2026-05-22 | 2026-05-21 | Eaton Charlotte Claire Chief People Officer | SSale | −5.00K | $291.08 | $1.46M | No | Form 4 ↗ |
| 2026-05-22 | 2026-05-21 | Eaton Charlotte Claire, Chief People Officer | SSale | −2.81K | $288.10 | $808K | No | Form 4 ↗ |
| 2026-05-21 | 2026-05-21 | Eaton Charlotte Claire Chief People Officer | SSale | −4.00K | $282.77 | $1.13M | No | Form 4 ↗ |
| 2026-05-21 | 2026-05-20 | Abbey William Chief Commercial Officer | SSale | −5.07K | $257.18 | $1.30M | No | Form 4 ↗ |
| 2026-05-21 | 2026-05-20 | Eaton Charlotte Claire Chief People Officer | SSale | −3.10K | $252.25 | $782K | No | Form 4 ↗ |
| 2026-05-21 | 2026-05-20 | Child Jason Chief Financial Officer | SSale | −31.9K | $226.54 | $7.23M | Yes (planned) | Form 4 ↗ |
| 2026-05-21 | 2026-05-19 | Collins Spencer Chief Legal Officer | SSale | −40.9K | $215.00 | $8.80M | No | Form 4 ↗ |
| 2026-05-21 | 2026-05-19 | Abbey William Chief Commercial Officer | SSale | −10.9K | $224.14 | $2.44M | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-18 | Grisenthwaite Richard Roy Chief Architect | SSale | −24.3K | $209.15 | $5.09M | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Bartels Laura Kathleen Chief Accounting Officer | FTax | −3.38K | $209.16 | $708K | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Bartels Laura Kathleen, Chief Accounting Officer | MExercise | +2.31K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Bartels Laura Kathleen, Chief Accounting Officer | MExercise | +862.00 | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Bartels Laura Kathleen, Chief Accounting Officer | MExercise | +3.59K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Abbey William Chief Commercial Officer | SSale | −7.00K | $212.55 | $1.49M | Yes (planned) | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Abbey William, Chief Commercial Officer | FTax | −15.3K | $209.16 | $3.20M | Yes (planned) | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Abbey William, Chief Commercial Officer | MExercise | +4.71K | — | — | Yes (planned) | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Abbey William, Chief Commercial Officer | AAward | +14.4K | — | — | Yes (planned) | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Abbey William, Chief Commercial Officer | MExercise | +1.74K | — | — | Yes (planned) | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Abbey William, Chief Commercial Officer | AAward | +4.44K | — | — | Yes (planned) | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Abbey William, Chief Commercial Officer | MExercise | +1.75K | — | — | Yes (planned) | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Abbey William, Chief Commercial Officer | AAward | +4.47K | — | — | Yes (planned) | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Grisenthwaite Richard Roy Chief Architect | FTax | −21.3K | $209.16 | $4.46M | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Grisenthwaite Richard Roy, Chief Architect | MExercise | +4.35K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Grisenthwaite Richard Roy, Chief Architect | AAward | +13.3K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Grisenthwaite Richard Roy, Chief Architect | MExercise | +1.63K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Grisenthwaite Richard Roy, Chief Architect | AAward | +4.16K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Grisenthwaite Richard Roy, Chief Architect | MExercise | +14.6K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Grisenthwaite Richard Roy, Chief Architect | MExercise | +2.05K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Grisenthwaite Richard Roy, Chief Architect | AAward | +5.22K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Collins Spencer Chief Legal Officer | FTax | −36.3K | $209.16 | $7.59M | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Collins Spencer, Chief Legal Officer | AAward | +48.4K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Collins Spencer, Chief Legal Officer | AAward | +10.1K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Collins Spencer, Chief Legal Officer | MExercise | +3.95K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Collins Spencer, Chief Legal Officer | MExercise | +4.18K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Collins Spencer, Chief Legal Officer | AAward | +10.7K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Eaton Charlotte Claire Chief People Officer | FTax | −3.67K | $209.16 | $768K | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Eaton Charlotte Claire, Chief People Officer | MExercise | +2.20K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Eaton Charlotte Claire, Chief People Officer | AAward | +5.61K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Haas Rene A. Chief Executive Officer | FTax | −143K | $209.16 | $30.0M | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Haas Rene A., Chief Executive Officer | AAward | +162K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Haas Rene A., Chief Executive Officer | AAward | +51.7K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Haas Rene A., Chief Executive Officer | AAward | +52.0K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Schooler Rosemary Director | MExercise | +2.14K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | JACOBS PAUL E Director | MExercise | +2.14K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Sine Jeffrey Director | MExercise | +2.14K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | SOHN YOUNG Director | FTax | −429.00 | $209.16 | $89.7K | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | SOHN YOUNG, Director | MExercise | +2.14K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Child Jason Chief Financial Officer | FTax | −38.0K | $209.16 | $7.94M | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Child Jason, Chief Financial Officer | AAward | +57.6K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Child Jason, Chief Financial Officer | MExercise | +4.65K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Child Jason, Chief Financial Officer | AAward | +11.8K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Child Jason, Chief Financial Officer | MExercise | +4.67K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Child Jason, Chief Financial Officer | AAward | +11.9K | — | — | No | Form 4 ↗ |
| 2026-05-19 | 2026-04-24 | Abbey William Chief Commercial Officer | SSale | −1.58K | $221.99 | $350K | Yes (planned) | Form 4 ↗ |
| 2026-05-19 | 2026-04-23 | Abbey William, Chief Commercial Officer | SSale | −1.58K | $199.00 | $314K | Yes (planned) | Form 4 ↗ |
| 2026-05-13 | 2026-05-11 | Collins Spencer Chief Legal Officer | SSale | −4.87K | $214.41 | $1.04M | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-11 | Collins Spencer, Chief Legal Officer | SSale | −7.37K | $213.59 | $1.57M | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-11 | Collins Spencer, Chief Legal Officer | SSale | −11.2K | $212.51 | $2.38M | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-11 | Collins Spencer, Chief Legal Officer | SSale | −10.7K | $211.46 | $2.26M | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-11 | Collins Spencer, Chief Legal Officer | SSale | −9.81K | $210.53 | $2.07M | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-11 | Collins Spencer, Chief Legal Officer | SSale | −5.35K | $209.52 | $1.12M | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-11 | Collins Spencer, Chief Legal Officer | SSale | −1.85K | $208.68 | $386K | No | Form 4 ↗ |
| 2026-05-13 | 2026-05-11 | Collins Spencer, Chief Legal Officer | SSale | −836.00 | $207.77 | $174K | No | Form 4 ↗ |
| 2026-04-23 | 2026-04-22 | Child Jason Chief Financial Officer | SSale | −21.3K | $180.00 | $3.83M | Yes (planned) | Form 4 ↗ |
| 2026-04-16 | 2026-04-14 | Haas Rene A. Chief Executive Officer | SSale | −170.00 | $163.00 | $27.7K | Yes (planned) | Form 4 ↗ |
| 2026-04-16 | 2026-04-14 | Haas Rene A., Chief Executive Officer | SSale | −3.48K | $161.21 | $561K | Yes (planned) | Form 4 ↗ |
| 2026-04-16 | 2026-04-14 | Haas Rene A., Chief Executive Officer | SSale | −5.65K | $160.57 | $907K | Yes (planned) | Form 4 ↗ |
| 2026-03-27 | 2026-03-26 | Haas Rene A. Chief Executive Officer | SSale | −5.34K | $160.41 | $857K | Yes (planned) | Form 4 ↗ |
| 2026-03-27 | 2026-03-26 | Haas Rene A., Chief Executive Officer | SSale | −1.84K | $161.47 | $297K | Yes (planned) | Form 4 ↗ |
| 2026-03-27 | 2026-03-26 | Haas Rene A., Chief Executive Officer | SSale | −600.00 | $162.19 | $97.3K | Yes (planned) | Form 4 ↗ |
| 2026-03-27 | 2026-03-26 | Haas Rene A., Chief Executive Officer | SSale | −200.00 | $163.15 | $32.6K | Yes (planned) | Form 4 ↗ |
| 2026-03-27 | 2026-03-25 | Haas Rene A., Chief Executive Officer | SSale | −11.7K | $160.22 | $1.88M | Yes (planned) | Form 4 ↗ |
| 2026-03-27 | 2026-03-25 | Haas Rene A., Chief Executive Officer | SSale | −6.20K | $161.47 | $1.00M | Yes (planned) | Form 4 ↗ |
| 2026-03-27 | 2026-03-25 | Haas Rene A., Chief Executive Officer | SSale | −4.83K | $162.62 | $785K | Yes (planned) | Form 4 ↗ |
| 2026-03-27 | 2026-03-25 | Haas Rene A., Chief Executive Officer | SSale | −1.09K | $163.35 | $178K | Yes (planned) | Form 4 ↗ |
| 2026-03-27 | 2026-03-25 | Child Jason Chief Financial Officer | SSale | −21.3K | $148.37 | $3.16M | Yes (planned) | Form 4 ↗ |
Insiders — a company’s officers, directors and holders of more than 10% of its stock — must report any trade in that stock to the SEC on a Form 4 within two business days. Each row here is one transaction from those filings.
The transaction code tells you what happened: Purchase (P) and Sale (S) are open-market trades — the ones markets watch most; Award (A) is a granted stock or unit, Option exercise (M) converts options into shares, and Gift (G) is a transfer for no consideration. Awards, exercises and gifts are largely compensation or administrative, not a directional bet.
One caveat on sales: many are made under a Rule 10b5-1 plan scheduled months in advance, so a sale is not automatically a bearish signal. Insider activity is a noisy input — read it alongside the filings, not on its own.
See also ARM’s full analysis or the market-wide insider trading feed. The tabs above jump to ARM’s other SEC data.
Source: SEC Form 4 filings for ARM, parsed from EDGAR. Transaction prices are as reported in the filing — SEC public-domain data, not market quotes. Values are shares × reported price where both are disclosed; grants and gifts often carry no price. A delayed record of what insiders reported, not a live position or a recommendation.
Research and education only — not financial advice. TENKis not a registered investment adviser or broker-dealer and gives no personalized advice. Every call is impersonal — identical for all users, generated on a schedule from SEC filings plus a delayed/third-party price feed — may be wrong or out of date, and is not a recommendation to buy or sell any security. The operator and an affiliated trading operation may hold or trade the securities TENK rates; see Disclosures. Past performance does not guarantee future results. Do your own research.