ARM insider transaction filings
ARM HOLDINGS PLC /UK — 33 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-16. Screen ARM transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 5 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 1 leg across 1 filing by 1 insider — 10,400 shares, $2,655,432 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 9.
- Largest priced transaction: sale of 10,400 shares @ $255.33 ($2,655,432) by Child Jason, filed 2026-08-31.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Child Jason — Chief Financial Officer | 1 | — | 1 leg · 10,400 sh · $2,655,432 | — |
| Bartels Laura Kathleen — Chief Accounting Officer | 1 | — | — | 5 |
| Haas Rene A. — Chief Executive Officer, Director | 1 | — | — | 2 |
| Abbey William — Chief Commercial Officer | 1 | — | — | 1 |
| Sine Jeffrey — Director | 1 | — | — | 1 |
Recent Form 4 filings — ARM HOLDINGS PLC /UK
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-16 | 4 | Abbey William — Chief Commercial Officer | Grant/award (A): 17,288 (derivative) @ $0 | EDGAR |
| 2026-09-10 | 4 | Haas Rene A. — Chief Executive Officer, Director | Grant/award (A): 64 @ $108.33 · Grant/award (A): 425,000 (derivative) @ $0 | EDGAR |
| 2026-08-31 | 4 | Child Jason — Chief Financial Officer | Sale (S): 10,400 @ $255.33 | EDGAR |
| 2026-08-18 | 4 | Bartels Laura Kathleen — Chief Accounting Officer | Option exercise (M): 862 · Option exercise (M): 819 · Tax withholding (F): 856 @ $271.43 · Option exercise (M): 862 (derivative) @ $0 · Option exercise (M): 819 (derivative) @ $0 | EDGAR |
| 2026-08-11 | 4 | Sine Jeffrey — Director | Gift (G): 9,572 @ $0 | EDGAR |
| 2026-06-04 | 4 | Bartels Laura Kathleen — Chief Accounting Officer | Sale (S): 11,306 @ $392.70 | EDGAR |
| 2026-06-03 | 4 | Abbey William — Chief Commercial Officer | Sale (S): 2,644 @ $383.73 · Sale (S): 3,922 @ $415.52 | EDGAR |
| 2026-06-01 | 4 | Abbey William — Chief Commercial Officer | Sale (S): 4,200 @ $343.81 | EDGAR |
| 2026-05-26 | 4 | Abbey William — Chief Commercial Officer | Sale (S): 2,300 @ $305.82 | EDGAR |
| 2026-05-22 | 4 | Eaton Charlotte Claire — Chief People Officer | Sale (S): 2,805 @ $288.10 · Sale (S): 5,000 @ $291.08 | EDGAR |
| 2026-05-22 | 4 | Abbey William — Chief Commercial Officer | Sale (S): 4,655 @ $287.03 | EDGAR |
| 2026-05-21 | 4 | Collins Spencer — Chief Legal Officer | Sale (S): 40,941 @ $215 | EDGAR |
| 2026-05-21 | 4 | Eaton Charlotte Claire — Chief People Officer | Sale (S): 3,100 @ $252.25 · Sale (S): 4,000 @ $282.77 | EDGAR |
| 2026-05-21 | 4 | Abbey William — Chief Commercial Officer | Sale (S): 10,887 @ $224.14 · Sale (S): 5,069 @ $257.18 | EDGAR |
| 2026-05-21 | 4 | Child Jason — Chief Financial Officer | Sale (S): 31,920 @ $226.54 | EDGAR |
| 2026-05-19 | 4 | Bartels Laura Kathleen — Chief Accounting Officer | Option exercise (M): 3,588 · Option exercise (M): 862 · Option exercise (M): 2,308 · Tax withholding (F): 3,383 @ $209.16 · Grant/award (A): 16,645 (derivative) @ $0 · Grant/award (A): 69,570 (derivative) @ $0 · +3 more | EDGAR |
| 2026-05-19 | 4 | Grisenthwaite Richard Roy — Chief Architect | Grant/award (A): 5,217 · Option exercise (M): 2,046 · Option exercise (M): 14,595 · Grant/award (A): 4,158 · Option exercise (M): 1,631 · Grant/award (A): 13,315 · +9 more | EDGAR |
| 2026-05-19 | 4 | Collins Spencer — Chief Legal Officer | Grant/award (A): 10,668 · Option exercise (M): 4,184 · Option exercise (M): 3,950 · Grant/award (A): 10,071 · Grant/award (A): 48,378 · Tax withholding (F): 36,310 @ $209.16 · +3 more | EDGAR |
| 2026-05-19 | 4 | Eaton Charlotte Claire — Chief People Officer | Grant/award (A): 5,612 · Option exercise (M): 2,200 · Tax withholding (F): 3,672 @ $209.16 · Grant/award (A): 8,044 (derivative) @ $0 · Option exercise (M): 2,200 (derivative) @ $0 | EDGAR |
| 2026-05-19 | 4 | Haas Rene A. — Chief Executive Officer, Director | Grant/award (A): 51,952 · Grant/award (A): 51,691 · Grant/award (A): 162,000 · Tax withholding (F): 143,316 @ $209.16 | EDGAR |
| 2026-05-19 | 4 | Abbey William — Chief Commercial Officer | Grant/award (A): 4,466 · Option exercise (M): 1,751 · Grant/award (A): 4,444 · Option exercise (M): 1,743 · Grant/award (A): 14,400 · Option exercise (M): 4,706 · +8 more | EDGAR |
| 2026-05-19 | 4 | Sine Jeffrey — Director | Option exercise (M): 2,141 · Option exercise (M): 2,141 (derivative) @ $0 · Grant/award (A): 1,531 (derivative) @ $0 | EDGAR |
| 2026-05-19 | 4 | Schooler Rosemary — Director | Option exercise (M): 2,141 · Option exercise (M): 2,141 (derivative) @ $0 · Grant/award (A): 1,531 (derivative) @ $0 | EDGAR |
| 2026-05-19 | 4 | Child Jason — Chief Financial Officer | Grant/award (A): 11,909 · Option exercise (M): 4,670 · Grant/award (A): 11,849 · Option exercise (M): 4,647 · Grant/award (A): 57,601 · Tax withholding (F): 37,950 @ $209.16 · +3 more | EDGAR |
| 2026-05-19 | 4 | SOHN YOUNG — Director | Option exercise (M): 2,141 · Tax withholding (F): 429 @ $209.16 · Option exercise (M): 2,141 (derivative) @ $0 · Grant/award (A): 1,531 (derivative) @ $0 | EDGAR |
| 2026-05-19 | 4 | DYKSTRA KAREN E — Director | Grant/award (A): 1,531 (derivative) @ $0 | EDGAR |
| 2026-05-19 | 4 | JACOBS PAUL E — Director | Option exercise (M): 2,141 · Option exercise (M): 2,141 (derivative) @ $0 · Grant/award (A): 1,531 (derivative) @ $0 | EDGAR |
| 2026-05-19 | 4 | FISHER RONALD D — Director | Grant/award (A): 1,531 (derivative) @ $0 | EDGAR |
| 2026-05-13 | 4 | Collins Spencer — Chief Legal Officer | Sale (S): 836 @ $207.77 · Sale (S): 1,849 @ $208.68 · Sale (S): 5,353 @ $209.52 · Sale (S): 9,815 @ $210.53 · Sale (S): 10,674 @ $211.46 · Sale (S): 11,197 @ $212.51 · +2 more | EDGAR |
| 2026-04-23 | 4 | Child Jason — Chief Financial Officer | Sale (S): 21,280 @ $180 | EDGAR |
| 2026-04-16 | 4 | Haas Rene A. — Chief Executive Officer, Director | Sale (S): 5,646 @ $160.57 · Sale (S): 3,483 @ $161.21 · Sale (S): 170 @ $163 | EDGAR |
| 2026-03-27 | 4 | Haas Rene A. — Chief Executive Officer, Director | Sale (S): 1,092 @ $163.35 · Sale (S): 4,830 @ $162.62 · Sale (S): 6,196 @ $161.47 · Sale (S): 11,749 @ $160.22 · Sale (S): 200 @ $163.15 · Sale (S): 600 @ $162.19 · +2 more | EDGAR |
| 2026-03-27 | 4 | Child Jason — Chief Financial Officer | Sale (S): 21,280 @ $148.37 | EDGAR |
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