Dudediligence.

Arm Holdings plc

ARMNASDAQ
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$59.3M

20 notices · 306,919 sh

Oct 2025 to Oct 2026

Reported ·

$66.4M

39 sales · 0 buys

Oct 2025 to Jun 2026

The two figures cover different periods.

17 of 39 reported sales carry the 10b5-1 box. Together they are 0.03% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-09-21: Child Jason, Form 1442026-08-27: Child Jason, Form 1442026-05-21: Eaton Charlotte Claire, Form 1442026-05-20: Eaton Charlotte Claire, Form 1442026-05-20: Child Jason, Form 1442026-05-19: Collins Spencer, Form 1442026-05-11: Collins Spencer, Form 1442026-04-22: Child Jason, Form 1442026-04-14: Haas Rene A., Form 1442026-03-26: Haas Rene A., Form 1442026-03-25: Haas Rene A., Form 1442026-03-25: Child Jason, Form 1442026-02-27: Haas Rene A., Form 1442026-02-18: Child Jason, Form 1442026-01-30: Haas Rene A., Form 1442025-12-31: Haas Rene A., Form 1442025-11-28: Haas Rene A., Form 1442025-11-19: Child Jason, Form 1442025-10-31: Haas Rene A., Form 1442025-10-14: Child Jason, Form 1442026-03-25: Child Jason, sold2026-03-25: Haas Rene A., sold2026-04-14: Haas Rene A., sold2026-04-22: Child Jason, sold2026-04-23: Abbey William, sold2026-05-11: Collins Spencer, sold2026-05-18: Grisenthwaite Richard Roy, sold2026-05-19: Abbey William, sold2026-05-19: Collins Spencer, sold2026-05-20: Child Jason, sold2026-05-20: Eaton Charlotte Claire, sold2026-05-21: Eaton Charlotte Claire, sold2026-05-21: Abbey William, sold2026-05-22: Abbey William, sold2026-05-28: Abbey William, sold2026-06-01: Abbey William, sold2026-06-02: Bartels Laura Kathleen, sold
under a no plan named▼ salesize is dollars

Form 144 notices, newest first

2026-09-21Child Jason, Chief Financial Officer$3,120,000
10,400 shplan 2026-05-22Form 4s on file end Jun 23144 ↗
2026-08-27Child Jason, Chief Financial Officer$2,655,432
10,400 shplan 2026-05-22Form 4s on file end Jun 23144 ↗
2026-05-21Eaton Charlotte Claire, Chief People Officer$3,394,595
11,805 shno plan date144 ↗
Form 4, 2026-05-22: sold 7,805 at $290.01 Form 4 ↗
2026-05-20Eaton Charlotte Claire, Chief People Officer$781,978
3,100 shno plan date144 ↗
Form 4, 2026-05-21: sold 7,100 at $269.44 Form 4 ↗
2026-05-20Child Jason, Chief Financial Officer$7,231,157
31,920 shplan 2025-05-30144 ↗
Form 4, 2026-05-21: sold 31,920 at $226.54 Form 4 ↗
2026-05-19Collins Spencer, Chief Legal Officer$8,802,315
40,941 shno plan date144 ↗
Form 4, 2026-05-21: sold 40,941 at $215.00 Form 4 ↗
2026-05-11Collins Spencer, Chief Legal Officer$11.0M
51,961 shno plan date144 ↗
Form 4, 2026-05-13: sold 51,961 at $211.73 Form 4 ↗
2026-04-22Child Jason, Chief Financial Officer$3,830,400
21,280 shplan 2025-05-30144 ↗
Form 4, 2026-04-23: sold 21,280 at $180.00 Form 4 ↗
2026-04-14Haas Rene A., Chief Executive Officer$1,495,799
9,299 shplan 2025-06-11144 ↗
Form 4, 2026-04-16: sold 9,299 at $160.85 Form 4 ↗
2026-03-26Haas Rene A., Chief Executive Officer$1,284,621
7,986 shplan 2025-06-11Form 4s on file end Jun 23144 ↗
2026-03-25Haas Rene A., Chief Executive Officer$3,846,744
23,867 shplan 2025-06-11144 ↗
Form 4, 2026-03-27: sold 31,853 at $161.09 Form 4 ↗
2026-03-25Child Jason, Chief Financial Officer$3,157,314
21,280 shplan 2025-05-30144 ↗
Form 4, 2026-03-27: sold 21,280 at $148.37 Form 4 ↗
2026-02-27Haas Rene A., Chief Executive Officer$776,044
6,152 shplan 2025-06-11no Form 4 on file144 ↗
2026-02-18Child Jason, Chief Financial Officer$1,365,006
10,640 shplan 2025-05-30no Form 4 on file144 ↗
2026-01-30Haas Rene A., Chief Executive Officer$653,939
6,152 shplan 2025-06-11no Form 4 on file144 ↗
2025-12-31Haas Rene A., Chief Executive Officer$678,957
6,152 shplan 2025-06-11no Form 4 on file144 ↗
2025-11-28Haas Rene A., Chief Executive Officer$827,400
6,152 shplan 2025-06-11no Form 4 on file144 ↗
2025-11-19Child Jason, Chief Financial Officer$1,464,064
10,640 shplan 2025-05-30no Form 4 on file144 ↗
2025-10-31Haas Rene A., Chief Executive Officer$1,042,208
6,152 shplan 2025-06-11no Form 4 on file144 ↗
2025-10-14Child Jason, Chief Financial Officer$1,915,200
10,640 shplan 2025-05-30no Form 4 on file144 ↗