Arm Holdings (ARM) insider trading
13 directors and officers declare holding shares of Arm Holdings (ARM), each in their own filing with the SEC. The largest is Rene Haas (Chief Executive Officer · Director) with 396,071 shares, 0.04% of the company, worth $105.5M at the last close. The most recent move on file: Jason Child sold 10,400 shares at $300.00 on Sep 21, 2026. Of the 10 with a trade on file, 5 last bought and 5 last sold. Purchases and sales are as reported on Forms 3, 4 and 5 — the SEC counts private transactions too, and many large sales follow a plan arranged in advance. Holdings are never added up: two spouses often report the same shares, and a joint filing carries a fund's.
| Insider | Role | Shares | % of company | Value | Last trade on file | Filed |
|---|---|---|---|---|---|---|
| Rene Haas | Chief Executive Officer · Director | 396,071 | 0.04% | $105.5M | bought 64 shares at $108.33 on Aug 31, 2026 | Sep 9, 2026 |
| Jason Child | Chief Financial Officer | 153,442 | 0.01% | $40.9M | sold 10,400 shares at $300.00 on Sep 21, 2026 | Sep 21, 2026 |
| Ronald D. Fisher | Director | 35,615 | <0.01% | $9.5M | — | Mar 18, 2026 |
| William Abbey | Chief Commercial Officer | 20,563 | <0.01% | $5.5M | — | Jun 1, 2026 |
| Karen E. Dykstra | Director | 13,709 | <0.01% | $3.7M | — | Mar 18, 2026 |
| Laura Kathleen Bartels | Chief Accounting Officer | 12,960 | <0.01% | $3.5M | bought 1,681 shares on Aug 17, 2026 | Aug 17, 2026 |
| Paul E. Jacobs | Director | 9,572 | <0.01% | $2.5M | bought 2,141 shares on May 15, 2026 | May 15, 2026 |
| Rosemary Schooler | Director | 9,572 | <0.01% | $2.5M | bought 2,141 shares on May 15, 2026 | May 15, 2026 |
| Young Sohn | Director | 2,396 | <0.01% | $637,982.92 | bought 2,141 shares on May 15, 2026 | May 15, 2026 |
| Charlotte Claire Eaton | Chief People Officer | 0 | 0.00% | $0.00 | sold 7,805 shares at $288.10 on May 21, 2026 | May 21, 2026 |
| Jeffrey Sine | Director | 0 | 0.00% | $0.00 | sold 9,572 shares on Aug 7, 2026 | Aug 7, 2026 |
| Richard Roy Grisenthwaite | Chief Architect | 0 | 0.00% | $0.00 | sold 24,339 shares at $209.15 on May 18, 2026 | May 18, 2026 |
| Spencer Collins | Chief Legal Officer | 0 | 0.00% | $0.00 | sold 40,941 shares at $215.00 on May 19, 2026 | May 19, 2026 |
Each insider at Arm Holdings
- Rene Haas — Chief Executive Officer · Director
- Jason Child — Chief Financial Officer
- Ronald D. Fisher — Director
- William Abbey — Chief Commercial Officer
- Karen E. Dykstra — Director
- Laura Kathleen Bartels — Chief Accounting Officer
- Paul E. Jacobs — Director
- Rosemary Schooler — Director
- Young Sohn — Director
- Charlotte Claire Eaton — Chief People Officer
- Jeffrey Sine — Director
- Richard Roy Grisenthwaite — Chief Architect
What insiders bought and sold across AI stocks · All filings on sec.gov