Arm Holdings Plc engages in the licensing, marketing, research, and development of microprocessors, systems IP, graphics processing units, physical IP and associated systems IP, software, and tools. It operates through the following geographical segments: United Kingdom, United States, and Other Countries. The company was founded on November 12, 1990 and is headquartered in Cambridge, the United Kingdom. |  |
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| Insider Trading |
Relationship |
Date |
Transaction |
Cost |
#Shares |
Value ($) |
#Shares Total |
SEC Form 4 |
| Child Jason | Chief Financial Officer | Apr 22 '26 | Sale | 180.00 | 21,280 | 3,830,400 | 153,426 | Apr 23 05:07 PM | | Child Jason | Officer | Apr 22 '26 | Proposed Sale | 180.00 | 21,280 | 3,830,400 | | Apr 22 11:31 AM | | Haas Rene A. | Chief Executive Officer | Apr 14 '26 | Sale | 160.85 | 9,299 | 1,495,783 | 273,680 | Apr 16 04:59 PM | | Haas Rene A. | Officer | Apr 14 '26 | Proposed Sale | 160.86 | 9,299 | 1,495,799 | | Apr 14 04:14 PM | | Haas Rene A. | Chief Executive Officer | Mar 25 '26 | Sale | 161.17 | 23,867 | 3,846,726 | 290,965 | Mar 27 05:40 PM | | Haas Rene A. | Chief Executive Officer | Mar 26 '26 | Sale | 160.86 | 7,986 | 1,284,603 | 282,979 | Mar 27 05:40 PM | | Child Jason | Chief Financial Officer | Mar 25 '26 | Sale | 148.37 | 21,280 | 3,157,314 | 174,706 | Mar 27 05:33 PM | | Haas Rene A. | Officer | Mar 26 '26 | Proposed Sale | 160.86 | 7,986 | 1,284,621 | | Mar 26 04:13 PM | | Haas Rene A. | Officer | Mar 25 '26 | Proposed Sale | 161.17 | 23,867 | 3,846,744 | | Mar 25 04:24 PM | | Child Jason | Officer | Mar 25 '26 | Proposed Sale | 148.37 | 21,280 | 3,157,314 | | Mar 25 10:21 AM | | Haas Rene A. | Officer | Feb 27 '26 | Proposed Sale | 126.15 | 6,152 | 776,044 | | Feb 27 10:20 AM | | Child Jason | Officer | Feb 18 '26 | Proposed Sale | 128.29 | 10,640 | 1,365,006 | | Feb 18 12:07 PM | | Haas Rene A. | Officer | Jan 30 '26 | Proposed Sale | 106.30 | 6,152 | 653,939 | | Jan 30 04:15 PM | | Haas Rene A. | Officer | Dec 31 '25 | Proposed Sale | 110.36 | 6,152 | 678,957 | | Dec 31 04:14 PM | | Haas Rene A. | Officer | Nov 28 '25 | Proposed Sale | 134.49 | 6,152 | 827,400 | | Nov 28 01:21 PM | | Child Jason | Officer | Nov 19 '25 | Proposed Sale | 137.60 | 10,640 | 1,464,064 | | Nov 19 09:45 AM | | Haas Rene A. | Officer | Oct 31 '25 | Proposed Sale | 169.41 | 6,152 | 1,042,208 | | Oct 31 04:06 PM | | Child Jason | Officer | Oct 14 '25 | Proposed Sale | 180.00 | 10,640 | 1,915,200 | | Oct 14 11:27 AM | | Haas Rene A. | Officer | Sep 30 '25 | Proposed Sale | 140.17 | 6,152 | 862,348 | | Sep 30 04:09 PM | | Child Jason | Officer | Sep 10 '25 | Proposed Sale | 145.00 | 10,640 | 1,542,800 | | Sep 10 10:40 AM | | Child Jason | Officer | Sep 05 '25 | Proposed Sale | 138.00 | 10,640 | 1,468,320 | | Sep 05 10:32 AM | | Collins Spencer | Officer | Jun 09 '25 | Proposed Sale | 139.50 | 43,511 | 6,069,872 | | Jun 09 01:21 PM | | Child Jason | Officer | May 22 '25 | Proposed Sale | 129.80 | 20,160 | 2,616,768 | | May 22 10:15 AM |
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