Company / CIK 0001973239
ARM HOLDINGS PLC /UK
- Ticker
- ARM
- Insiders on file
- 13
- Members of Congress who traded it
- 2
- Federal contracts on record
- none matched
- Lobbying filings on record
- none matched
- SEC filings
- EDGAR ↗
- Latest trade on record
- September 21, 2026
ARM HOLDINGS PLC /UK (ARM) has 13 insiders on file who disclosed 126 transactions in the last 12 months (0 open-market buys, 50 sales, about $127.1M at reported prices), and 2 congressional trades in its stock are on record. No federal contract award that started in the last 180 days was found for a recipient with exactly this name; no lobbying filing names it as client this year.
ARM HOLDINGS PLC /UK in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
BoughtSold
8 people account for the disclosed buying and selling in ARM HOLDINGS PLC /UK over the last 12 months; the most active is Haas Rene A. with $37M.
Insiders
| Name | Role | Rows | Bought | Sold | Last filed |
|---|---|---|---|---|---|
| DYKSTRA KAREN E | Director | 1 | 0 | 0 | October 5, 2026 |
| Child Jason | Director | 14 | 0 | 6 | September 23, 2026 |
| Abbey William | Chief Commercial Officer | 22 | 0 | 11 | September 16, 2026 |
| Haas Rene A. | Chief Executive Officer | 17 | 0 | 12 | September 10, 2026 |
| Bartels Laura Kathleen | Chief Accounting Officer | 15 | 0 | 3 | August 18, 2026 |
| Sine Jeffrey | Director | 4 | 0 | 0 | August 11, 2026 |
| SOHN YOUNG | Director | 4 | 0 | 1 | August 3, 2026 |
| Eaton Charlotte Claire | Chief People Officer | 9 | 0 | 5 | May 22, 2026 |
| Collins Spencer | Chief Legal Officer | 18 | 0 | 10 | May 21, 2026 |
| Schooler Rosemary | Director | 3 | 0 | 0 | May 19, 2026 |
| FISHER RONALD D | Director | 1 | 0 | 0 | May 19, 2026 |
| JACOBS PAUL E | Director | 3 | 0 | 0 | May 19, 2026 |
| Grisenthwaite Richard Roy | Chief Architect | 15 | 0 | 2 | May 19, 2026 |
Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.
Members of Congress who traded ARM
From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the ARM page.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| Cleo Fields | Representative (LA, District 6), Democrat | 1 | 0 | 1 | $50K–$100K | December 11, 2025 |
| Jonathan L. Jackson | Representative (IL, District 1), Democrat | 1 | 0 | 1 | $1,001–$15K | September 2, 2025 |
Insider transactions
| Filer | Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Child Jason | ARM | Sell S | September 21, 2026 | September 23, 2026 | 2d | 10,400 | $300 | $3.1M | 10b5-1 plan | Form 4 ↗ | |
| Abbey William | ARM | Other A | September 14, 2026 | September 16, 2026 | 2d | 17,288 | — | — | derivative | Form 4 ↗ | |
| Haas Rene A. | ARM | Other A | September 9, 2026 | September 10, 2026 | 1d | 425,000 | — | — | derivative | Form 4 ↗ | |
| Haas Rene A. | ARM | Other A | August 31, 2026 | September 10, 2026 | 10d | 64 | $108 | $6,933 | late | Form 4 ↗ | |
| Child Jason | ARM | Sell S | August 27, 2026 | August 31, 2026 | 4d | 10,400 | $255 | $2.7M | 10b5-1 plan | Form 4 ↗ | |
| Bartels Laura Kathleen | ARM | Option / conversion M | August 17, 2026 | August 18, 2026 | 1d | 819 | — | — | derivative | Form 4 ↗ | |
| Bartels Laura Kathleen | ARM | Option / conversion M | August 17, 2026 | August 18, 2026 | 1d | 862 | — | — | derivative | Form 4 ↗ | |
| Bartels Laura Kathleen | ARM | Sell F | August 17, 2026 | August 18, 2026 | 1d | 856 | $271 | $232K | Form 4 ↗ | ||
| Bartels Laura Kathleen | ARM | Option / conversion M | August 17, 2026 | August 18, 2026 | 1d | 819 | — | — | Form 4 ↗ | ||
| Bartels Laura Kathleen | ARM | Option / conversion M | August 17, 2026 | August 18, 2026 | 1d | 862 | — | — | Form 4 ↗ | ||
| Sine Jeffrey | ARM | Other G | August 7, 2026 | August 11, 2026 | 4d | 9,572 | — | — | Form 4 ↗ | ||
| Bartels Laura Kathleen | ARM | Sell S | June 2, 2026 | June 4, 2026 | 2d | 11,306 | $393 | $4.4M | Form 4 ↗ | ||
| Abbey William | ARM | Sell S | June 1, 2026 | June 3, 2026 | 2d | 3,922 | $416 | $1.6M | Form 4 ↗ | ||
| Abbey William | ARM | Sell S | June 1, 2026 | June 3, 2026 | 2d | 2,644 | $384 | $1.0M | Form 4 ↗ | ||
| Abbey William | ARM | Sell S | May 28, 2026 | June 1, 2026 | 4d | 4,200 | $344 | $1.4M | Form 4 ↗ | ||
| Abbey William | ARM | Sell S | May 22, 2026 | May 26, 2026 | 4d | 2,300 | $306 | $703K | Form 4 ↗ | ||
| Abbey William | ARM | Sell S | May 21, 2026 | May 22, 2026 | 1d | 4,655 | $287 | $1.3M | Form 4 ↗ | ||
| Eaton Charlotte Claire | ARM | Sell S | May 21, 2026 | May 22, 2026 | 1d | 5,000 | $291 | $1.5M | Form 4 ↗ | ||
| Eaton Charlotte Claire | ARM | Sell S | May 21, 2026 | May 22, 2026 | 1d | 2,805 | $288 | $808K | Form 4 ↗ | ||
| Collins Spencer | ARM | Sell S | May 19, 2026 | May 21, 2026 | 2d | 40,941 | $215 | $8.8M | Form 4 ↗ | ||
| Abbey William | ARM | Sell S | May 20, 2026 | May 21, 2026 | 1d | 5,069 | $257 | $1.3M | Form 4 ↗ | ||
| Abbey William | ARM | Sell S | May 19, 2026 | May 21, 2026 | 2d | 10,887 | $224 | $2.4M | Form 4 ↗ | ||
| Child Jason | ARM | Sell S | May 20, 2026 | May 21, 2026 | 1d | 31,920 | $227 | $7.2M | 10b5-1 plan | Form 4 ↗ | |
| Eaton Charlotte Claire | ARM | Sell S | May 21, 2026 | May 21, 2026 | 0d | 4,000 | $283 | $1.1M | Form 4 ↗ | ||
| Eaton Charlotte Claire | ARM | Sell S | May 20, 2026 | May 21, 2026 | 1d | 3,100 | $252 | $782K | Form 4 ↗ | ||
| Bartels Laura Kathleen | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 2,308 | — | — | derivative | Form 4 ↗ | |
| Bartels Laura Kathleen | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 862 | — | — | derivative | Form 4 ↗ | |
| Bartels Laura Kathleen | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 3,588 | — | — | derivative | Form 4 ↗ | |
| Bartels Laura Kathleen | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 69,570 | — | — | derivative | Form 4 ↗ | |
| Bartels Laura Kathleen | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 16,645 | — | — | derivative | Form 4 ↗ | |
| Bartels Laura Kathleen | ARM | Sell F | May 15, 2026 | May 19, 2026 | 4d | 3,383 | $209 | $708K | Form 4 ↗ | ||
| Bartels Laura Kathleen | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 2,308 | — | — | Form 4 ↗ | ||
| Bartels Laura Kathleen | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 862 | — | — | Form 4 ↗ | ||
| Bartels Laura Kathleen | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 3,588 | — | — | Form 4 ↗ | ||
| Abbey William | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 4,706 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Abbey William | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 1,743 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Abbey William | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 1,751 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Abbey William | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 5,566 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Abbey William | ARM | Sell S | April 23, 2026 | May 19, 2026 | 26d | 1,577 | $199 | $314K | late10b5-1 plan | Form 4 ↗ | |
| Abbey William | ARM | Sell S | April 24, 2026 | May 19, 2026 | 25d | 1,577 | $222 | $350K | late10b5-1 plan | Form 4 ↗ | |
| Abbey William | ARM | Sell S | May 15, 2026 | May 19, 2026 | 4d | 7,000 | $213 | $1.5M | 10b5-1 plan | Form 4 ↗ | |
| Abbey William | ARM | Sell F | May 15, 2026 | May 19, 2026 | 4d | 15,317 | $209 | $3.2M | 10b5-1 plan | Form 4 ↗ | |
| Abbey William | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 4,706 | — | — | 10b5-1 plan | Form 4 ↗ | |
| Abbey William | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 14,400 | — | — | 10b5-1 plan | Form 4 ↗ | |
| Abbey William | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 1,743 | — | — | 10b5-1 plan | Form 4 ↗ | |
| Abbey William | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 4,444 | — | — | 10b5-1 plan | Form 4 ↗ | |
| Abbey William | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 1,751 | — | — | 10b5-1 plan | Form 4 ↗ | |
| Abbey William | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 4,466 | — | — | 10b5-1 plan | Form 4 ↗ | |
| Grisenthwaite Richard Roy | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 4,352 | — | — | derivative | Form 4 ↗ | |
| Grisenthwaite Richard Roy | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 1,631 | — | — | derivative | Form 4 ↗ | |
| Grisenthwaite Richard Roy | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 14,595 | — | — | derivative | Form 4 ↗ | |
| Grisenthwaite Richard Roy | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 2,046 | — | — | derivative | Form 4 ↗ | |
| Grisenthwaite Richard Roy | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 34,785 | — | — | derivative | Form 4 ↗ | |
| Grisenthwaite Richard Roy | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 6,648 | — | — | derivative | Form 4 ↗ | |
| Grisenthwaite Richard Roy | ARM | Sell S | May 18, 2026 | May 19, 2026 | 1d | 24,339 | $209 | $5.1M | Form 4 ↗ | ||
| Grisenthwaite Richard Roy | ARM | Sell F | May 15, 2026 | May 19, 2026 | 4d | 21,301 | $209 | $4.5M | Form 4 ↗ | ||
| Grisenthwaite Richard Roy | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 4,352 | — | — | Form 4 ↗ | ||
| Grisenthwaite Richard Roy | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 13,315 | — | — | Form 4 ↗ | ||
| Grisenthwaite Richard Roy | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 1,631 | — | — | Form 4 ↗ | ||
| Grisenthwaite Richard Roy | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 4,158 | — | — | Form 4 ↗ | ||
| Grisenthwaite Richard Roy | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 14,595 | — | — | Form 4 ↗ | ||
| Grisenthwaite Richard Roy | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 2,046 | — | — | Form 4 ↗ | ||
| Grisenthwaite Richard Roy | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 5,217 | — | — | Form 4 ↗ | ||
| Collins Spencer | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 3,950 | — | — | derivative | Form 4 ↗ | |
| Collins Spencer | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 4,184 | — | — | derivative | Form 4 ↗ | |
| Collins Spencer | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 15,716 | — | — | derivative | Form 4 ↗ | |
| Collins Spencer | ARM | Sell F | May 15, 2026 | May 19, 2026 | 4d | 36,310 | $209 | $7.6M | Form 4 ↗ | ||
| Collins Spencer | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 48,378 | — | — | Form 4 ↗ | ||
| Collins Spencer | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 10,071 | — | — | Form 4 ↗ | ||
| Collins Spencer | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 3,950 | — | — | Form 4 ↗ | ||
| Collins Spencer | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 4,184 | — | — | Form 4 ↗ | ||
| Collins Spencer | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 10,668 | — | — | Form 4 ↗ | ||
| Eaton Charlotte Claire | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 2,200 | — | — | derivative | Form 4 ↗ | |
| Eaton Charlotte Claire | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 8,044 | — | — | derivative | Form 4 ↗ | |
| Eaton Charlotte Claire | ARM | Sell F | May 15, 2026 | May 19, 2026 | 4d | 3,672 | $209 | $768K | Form 4 ↗ | ||
| Eaton Charlotte Claire | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 2,200 | — | — | Form 4 ↗ | ||
| Eaton Charlotte Claire | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 5,612 | — | — | Form 4 ↗ | ||
| Haas Rene A. | ARM | Sell F | May 15, 2026 | May 19, 2026 | 4d | 143,316 | $209 | $30.0M | Form 4 ↗ | ||
| Haas Rene A. | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 162,000 | — | — | Form 4 ↗ | ||
| Haas Rene A. | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 51,691 | — | — | Form 4 ↗ | ||
| Haas Rene A. | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 51,952 | — | — | Form 4 ↗ | ||
| Child Jason | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 4,647 | — | — | derivative | Form 4 ↗ | |
| Child Jason | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 4,670 | — | — | derivative | Form 4 ↗ | |
| Child Jason | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 14,842 | — | — | derivative | Form 4 ↗ | |
| Child Jason | ARM | Sell F | May 15, 2026 | May 19, 2026 | 4d | 37,950 | $209 | $7.9M | Form 4 ↗ | ||
| Child Jason | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 57,601 | — | — | Form 4 ↗ | ||
| Child Jason | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 4,647 | — | — | Form 4 ↗ | ||
| Child Jason | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 11,849 | — | — | Form 4 ↗ | ||
| Child Jason | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 4,670 | — | — | Form 4 ↗ | ||
| Child Jason | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 11,909 | — | — | Form 4 ↗ | ||
| JACOBS PAUL E | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 1,531 | — | — | derivative | Form 4 ↗ | |
| JACOBS PAUL E | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 2,141 | — | — | derivative | Form 4 ↗ | |
| JACOBS PAUL E | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 2,141 | — | — | Form 4 ↗ | ||
| FISHER RONALD D | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 1,531 | — | — | derivative | Form 4 ↗ | |
| Sine Jeffrey | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 1,531 | — | — | derivative | Form 4 ↗ | |
| Sine Jeffrey | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 2,141 | — | — | derivative | Form 4 ↗ | |
| Sine Jeffrey | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 2,141 | — | — | Form 4 ↗ | ||
| DYKSTRA KAREN E | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 1,531 | — | — | derivative | Form 4 ↗ | |
| Schooler Rosemary | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 1,531 | — | — | derivative | Form 4 ↗ | |
| Schooler Rosemary | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 2,141 | — | — | derivative | Form 4 ↗ | |
| Schooler Rosemary | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 2,141 | — | — | Form 4 ↗ | ||
| SOHN YOUNG | ARM | Other A | May 15, 2026 | May 19, 2026 | 4d | 1,531 | — | — | derivative | Form 4 ↗ | |
| SOHN YOUNG | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 2,141 | — | — | derivative | Form 4 ↗ | |
| SOHN YOUNG | ARM | Sell F | May 15, 2026 | May 19, 2026 | 4d | 429 | $209 | $90K | Form 4 ↗ | ||
| SOHN YOUNG | ARM | Option / conversion M | May 15, 2026 | May 19, 2026 | 4d | 2,141 | — | — | Form 4 ↗ | ||
| Collins Spencer | ARM | Sell S | May 11, 2026 | May 13, 2026 | 2d | 4,866 | $214 | $1.0M | Form 4 ↗ | ||
| Collins Spencer | ARM | Sell S | May 11, 2026 | May 13, 2026 | 2d | 7,371 | $214 | $1.6M | Form 4 ↗ | ||
| Collins Spencer | ARM | Sell S | May 11, 2026 | May 13, 2026 | 2d | 11,197 | $213 | $2.4M | Form 4 ↗ | ||
| Collins Spencer | ARM | Sell S | May 11, 2026 | May 13, 2026 | 2d | 10,674 | $211 | $2.3M | Form 4 ↗ | ||
| Collins Spencer | ARM | Sell S | May 11, 2026 | May 13, 2026 | 2d | 9,815 | $211 | $2.1M | Form 4 ↗ | ||
| Collins Spencer | ARM | Sell S | May 11, 2026 | May 13, 2026 | 2d | 5,353 | $210 | $1.1M | Form 4 ↗ | ||
| Collins Spencer | ARM | Sell S | May 11, 2026 | May 13, 2026 | 2d | 1,849 | $209 | $386K | Form 4 ↗ | ||
| Collins Spencer | ARM | Sell S | May 11, 2026 | May 13, 2026 | 2d | 836 | $208 | $174K | Form 4 ↗ | ||
| Child Jason | ARM | Sell S | April 22, 2026 | April 23, 2026 | 1d | 21,280 | $180 | $3.8M | 10b5-1 plan | Form 4 ↗ | |
| Haas Rene A. | ARM | Sell S | April 14, 2026 | April 16, 2026 | 2d | 170 | $163 | $28K | 10b5-1 plan | Form 4 ↗ | |
| Haas Rene A. | ARM | Sell S | April 14, 2026 | April 16, 2026 | 2d | 3,483 | $161 | $561K | 10b5-1 plan | Form 4 ↗ | |
| Haas Rene A. | ARM | Sell S | April 14, 2026 | April 16, 2026 | 2d | 5,646 | $161 | $907K | 10b5-1 plan | Form 4 ↗ | |
| Haas Rene A. | ARM | Sell S | March 26, 2026 | March 27, 2026 | 1d | 5,344 | $160 | $857K | 10b5-1 plan | Form 4 ↗ | |
| Haas Rene A. | ARM | Sell S | March 26, 2026 | March 27, 2026 | 1d | 1,842 | $161 | $297K | 10b5-1 plan | Form 4 ↗ | |
| Haas Rene A. | ARM | Sell S | March 26, 2026 | March 27, 2026 | 1d | 600 | $162 | $97K | 10b5-1 plan | Form 4 ↗ | |
| Haas Rene A. | ARM | Sell S | March 26, 2026 | March 27, 2026 | 1d | 200 | $163 | $33K | 10b5-1 plan | Form 4 ↗ | |
| Haas Rene A. | ARM | Sell S | March 25, 2026 | March 27, 2026 | 2d | 11,749 | $160 | $1.9M | 10b5-1 plan | Form 4 ↗ | |
| Haas Rene A. | ARM | Sell S | March 25, 2026 | March 27, 2026 | 2d | 6,196 | $161 | $1.0M | 10b5-1 plan | Form 4 ↗ | |
| Haas Rene A. | ARM | Sell S | March 25, 2026 | March 27, 2026 | 2d | 4,830 | $163 | $785K | 10b5-1 plan | Form 4 ↗ | |
| Haas Rene A. | ARM | Sell S | March 25, 2026 | March 27, 2026 | 2d | 1,092 | $163 | $178K | 10b5-1 plan | Form 4 ↗ | |
| Child Jason | ARM | Sell S | March 25, 2026 | March 27, 2026 | 2d | 21,280 | $148 | $3.2M | 10b5-1 plan | Form 4 ↗ |
Federal contracts (USAspending, awards started in the last 180 days)
No contract award starting in the last 180 days was found for a recipient named exactly "ARM HOLDINGS PLC /UK". Subsidiaries and differently-spelled recipients are not matched — search contracts.
Lobbying (Senate LDA, as client)
No LDA filing posted since October 2025 names "ARM HOLDINGS PLC /UK" as the client. Filings under a subsidiary or trade-association name are not matched — search lobbying.
Related companies
Companies whose stock was traded by the same people who traded ARM, by number of filers in common. It shows overlap in public filings and nothing else.
- Meta Platforms, Inc. META 2 filers in common
- NETFLIX INC NFLX 2 filers in common
- Palantir Technologies Inc. PLTR 2 filers in common
- AMAZON COM INC AMZN 2 filers in common
- MICROSOFT CORP MSFT 2 filers in common
- LAM RESEARCH CORP LRCX 2 filers in common
- Coupang, Inc. CPNG 2 filers in common
- CoreWeave, Inc. CRWV 1 filer in common
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 2 | 2 | October 15, 2025 | December 17, 2025 | House Clerk search |
| SEC EDGAR, Form 4 | 34 | 126 | March 27, 2026 | September 23, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.
Not investment advice. Public records shown as filed; no recommendation is made or implied.